131e31b8aSbellard /* 293ac68bcSbellard * qemu user main 331e31b8aSbellard * 468d0f70eSbellard * Copyright (c) 2003-2008 Fabrice Bellard 531e31b8aSbellard * 631e31b8aSbellard * This program is free software; you can redistribute it and/or modify 731e31b8aSbellard * it under the terms of the GNU General Public License as published by 831e31b8aSbellard * the Free Software Foundation; either version 2 of the License, or 931e31b8aSbellard * (at your option) any later version. 1031e31b8aSbellard * 1131e31b8aSbellard * This program is distributed in the hope that it will be useful, 1231e31b8aSbellard * but WITHOUT ANY WARRANTY; without even the implied warranty of 1331e31b8aSbellard * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1431e31b8aSbellard * GNU General Public License for more details. 1531e31b8aSbellard * 1631e31b8aSbellard * You should have received a copy of the GNU General Public License 1731e31b8aSbellard * along with this program; if not, write to the Free Software 1831e31b8aSbellard * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 1931e31b8aSbellard */ 2031e31b8aSbellard #include <stdlib.h> 2131e31b8aSbellard #include <stdio.h> 2231e31b8aSbellard #include <stdarg.h> 2304369ff2Sbellard #include <string.h> 2431e31b8aSbellard #include <errno.h> 250ecfa993Sbellard #include <unistd.h> 2631e31b8aSbellard 273ef693a0Sbellard #include "qemu.h" 28ca10f867Saurel32 #include "qemu-common.h" 29d5975363Spbrook /* For tb_lock */ 30d5975363Spbrook #include "exec-all.h" 3131e31b8aSbellard 323ef693a0Sbellard #define DEBUG_LOGFILE "/tmp/qemu.log" 33586314f2Sbellard 3474cd30b8Sbellard static const char *interp_prefix = CONFIG_QEMU_PREFIX; 35c5937220Spbrook const char *qemu_uname_release = CONFIG_UNAME_RELEASE; 36586314f2Sbellard 373a4739d6Sbellard #if defined(__i386__) && !defined(CONFIG_STATIC) 38f801f97eSbellard /* Force usage of an ELF interpreter even if it is an ELF shared 39f801f97eSbellard object ! */ 40f801f97eSbellard const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2"; 414304763bSbellard #endif 4274cd30b8Sbellard 4393ac68bcSbellard /* for recent libc, we add these dummy symbols which are not declared 4474cd30b8Sbellard when generating a linked object (bug in ld ?) */ 45fbf59244Sbellard #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC) 4646027c07Sbellard asm(".globl __preinit_array_start\n" 4746027c07Sbellard ".globl __preinit_array_end\n" 4846027c07Sbellard ".globl __init_array_start\n" 4946027c07Sbellard ".globl __init_array_end\n" 5046027c07Sbellard ".globl __fini_array_start\n" 5146027c07Sbellard ".globl __fini_array_end\n" 5246027c07Sbellard ".section \".rodata\"\n" 5346027c07Sbellard "__preinit_array_start:\n" 5446027c07Sbellard "__preinit_array_end:\n" 5546027c07Sbellard "__init_array_start:\n" 5646027c07Sbellard "__init_array_end:\n" 5746027c07Sbellard "__fini_array_start:\n" 5846027c07Sbellard "__fini_array_end:\n" 597bba1ee8Sths ".long 0\n" 607bba1ee8Sths ".previous\n"); 6174cd30b8Sbellard #endif 6274cd30b8Sbellard 639de5e440Sbellard /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so 649de5e440Sbellard we allocate a bigger stack. Need a better solution, for example 659de5e440Sbellard by remapping the process stack directly at the right place */ 669de5e440Sbellard unsigned long x86_stack_size = 512 * 1024; 6731e31b8aSbellard 6831e31b8aSbellard void gemu_log(const char *fmt, ...) 6931e31b8aSbellard { 7031e31b8aSbellard va_list ap; 7131e31b8aSbellard 7231e31b8aSbellard va_start(ap, fmt); 7331e31b8aSbellard vfprintf(stderr, fmt, ap); 7431e31b8aSbellard va_end(ap); 7531e31b8aSbellard } 7631e31b8aSbellard 7761190b14Sbellard void cpu_outb(CPUState *env, int addr, int val) 78367e86e8Sbellard { 79367e86e8Sbellard fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val); 80367e86e8Sbellard } 81367e86e8Sbellard 8261190b14Sbellard void cpu_outw(CPUState *env, int addr, int val) 83367e86e8Sbellard { 84367e86e8Sbellard fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val); 85367e86e8Sbellard } 86367e86e8Sbellard 8761190b14Sbellard void cpu_outl(CPUState *env, int addr, int val) 88367e86e8Sbellard { 89367e86e8Sbellard fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val); 90367e86e8Sbellard } 91367e86e8Sbellard 9261190b14Sbellard int cpu_inb(CPUState *env, int addr) 93367e86e8Sbellard { 94367e86e8Sbellard fprintf(stderr, "inb: port=0x%04x\n", addr); 95367e86e8Sbellard return 0; 96367e86e8Sbellard } 97367e86e8Sbellard 9861190b14Sbellard int cpu_inw(CPUState *env, int addr) 99367e86e8Sbellard { 100367e86e8Sbellard fprintf(stderr, "inw: port=0x%04x\n", addr); 101367e86e8Sbellard return 0; 102367e86e8Sbellard } 103367e86e8Sbellard 10461190b14Sbellard int cpu_inl(CPUState *env, int addr) 105367e86e8Sbellard { 106367e86e8Sbellard fprintf(stderr, "inl: port=0x%04x\n", addr); 107367e86e8Sbellard return 0; 108367e86e8Sbellard } 109367e86e8Sbellard 110*8fcd3692Sblueswir1 #if defined(TARGET_I386) 111a541f297Sbellard int cpu_get_pic_interrupt(CPUState *env) 11292ccca6aSbellard { 11392ccca6aSbellard return -1; 11492ccca6aSbellard } 115*8fcd3692Sblueswir1 #endif 11692ccca6aSbellard 11728ab0e2eSbellard /* timers for rdtsc */ 11828ab0e2eSbellard 1191dce7c3cSbellard #if 0 12028ab0e2eSbellard 12128ab0e2eSbellard static uint64_t emu_time; 12228ab0e2eSbellard 12328ab0e2eSbellard int64_t cpu_get_real_ticks(void) 12428ab0e2eSbellard { 12528ab0e2eSbellard return emu_time++; 12628ab0e2eSbellard } 12728ab0e2eSbellard 12828ab0e2eSbellard #endif 12928ab0e2eSbellard 130d5975363Spbrook #if defined(USE_NPTL) 131d5975363Spbrook /***********************************************************/ 132d5975363Spbrook /* Helper routines for implementing atomic operations. */ 133d5975363Spbrook 134d5975363Spbrook /* To implement exclusive operations we force all cpus to syncronise. 135d5975363Spbrook We don't require a full sync, only that no cpus are executing guest code. 136d5975363Spbrook The alternative is to map target atomic ops onto host equivalents, 137d5975363Spbrook which requires quite a lot of per host/target work. */ 138d5975363Spbrook static pthread_mutex_t exclusive_lock = PTHREAD_MUTEX_INITIALIZER; 139d5975363Spbrook static pthread_cond_t exclusive_cond = PTHREAD_COND_INITIALIZER; 140d5975363Spbrook static pthread_cond_t exclusive_resume = PTHREAD_COND_INITIALIZER; 141d5975363Spbrook static int pending_cpus; 142d5975363Spbrook 143d5975363Spbrook /* Make sure everything is in a consistent state for calling fork(). */ 144d5975363Spbrook void fork_start(void) 145d5975363Spbrook { 146d5975363Spbrook mmap_fork_start(); 147d5975363Spbrook pthread_mutex_lock(&tb_lock); 148d5975363Spbrook pthread_mutex_lock(&exclusive_lock); 149d5975363Spbrook } 150d5975363Spbrook 151d5975363Spbrook void fork_end(int child) 152d5975363Spbrook { 153d5975363Spbrook if (child) { 154d5975363Spbrook /* Child processes created by fork() only have a single thread. 155d5975363Spbrook Discard information about the parent threads. */ 156d5975363Spbrook first_cpu = thread_env; 157d5975363Spbrook thread_env->next_cpu = NULL; 158d5975363Spbrook pending_cpus = 0; 159d5975363Spbrook pthread_mutex_init(&exclusive_lock, NULL); 160d5975363Spbrook pthread_cond_init(&exclusive_cond, NULL); 161d5975363Spbrook pthread_cond_init(&exclusive_resume, NULL); 162d5975363Spbrook pthread_mutex_init(&tb_lock, NULL); 163d5975363Spbrook } else { 164d5975363Spbrook pthread_mutex_unlock(&exclusive_lock); 165d5975363Spbrook pthread_mutex_unlock(&tb_lock); 166d5975363Spbrook } 167d5975363Spbrook mmap_fork_end(child); 168d5975363Spbrook } 169d5975363Spbrook 170d5975363Spbrook /* Wait for pending exclusive operations to complete. The exclusive lock 171d5975363Spbrook must be held. */ 172d5975363Spbrook static inline void exclusive_idle(void) 173d5975363Spbrook { 174d5975363Spbrook while (pending_cpus) { 175d5975363Spbrook pthread_cond_wait(&exclusive_resume, &exclusive_lock); 176d5975363Spbrook } 177d5975363Spbrook } 178d5975363Spbrook 179d5975363Spbrook /* Start an exclusive operation. 180d5975363Spbrook Must only be called from outside cpu_arm_exec. */ 181d5975363Spbrook static inline void start_exclusive(void) 182d5975363Spbrook { 183d5975363Spbrook CPUState *other; 184d5975363Spbrook pthread_mutex_lock(&exclusive_lock); 185d5975363Spbrook exclusive_idle(); 186d5975363Spbrook 187d5975363Spbrook pending_cpus = 1; 188d5975363Spbrook /* Make all other cpus stop executing. */ 189d5975363Spbrook for (other = first_cpu; other; other = other->next_cpu) { 190d5975363Spbrook if (other->running) { 191d5975363Spbrook pending_cpus++; 192d5975363Spbrook cpu_interrupt(other, CPU_INTERRUPT_EXIT); 193d5975363Spbrook } 194d5975363Spbrook } 195d5975363Spbrook if (pending_cpus > 1) { 196d5975363Spbrook pthread_cond_wait(&exclusive_cond, &exclusive_lock); 197d5975363Spbrook } 198d5975363Spbrook } 199d5975363Spbrook 200d5975363Spbrook /* Finish an exclusive operation. */ 201d5975363Spbrook static inline void end_exclusive(void) 202d5975363Spbrook { 203d5975363Spbrook pending_cpus = 0; 204d5975363Spbrook pthread_cond_broadcast(&exclusive_resume); 205d5975363Spbrook pthread_mutex_unlock(&exclusive_lock); 206d5975363Spbrook } 207d5975363Spbrook 208d5975363Spbrook /* Wait for exclusive ops to finish, and begin cpu execution. */ 209d5975363Spbrook static inline void cpu_exec_start(CPUState *env) 210d5975363Spbrook { 211d5975363Spbrook pthread_mutex_lock(&exclusive_lock); 212d5975363Spbrook exclusive_idle(); 213d5975363Spbrook env->running = 1; 214d5975363Spbrook pthread_mutex_unlock(&exclusive_lock); 215d5975363Spbrook } 216d5975363Spbrook 217d5975363Spbrook /* Mark cpu as not executing, and release pending exclusive ops. */ 218d5975363Spbrook static inline void cpu_exec_end(CPUState *env) 219d5975363Spbrook { 220d5975363Spbrook pthread_mutex_lock(&exclusive_lock); 221d5975363Spbrook env->running = 0; 222d5975363Spbrook if (pending_cpus > 1) { 223d5975363Spbrook pending_cpus--; 224d5975363Spbrook if (pending_cpus == 1) { 225d5975363Spbrook pthread_cond_signal(&exclusive_cond); 226d5975363Spbrook } 227d5975363Spbrook } 228d5975363Spbrook exclusive_idle(); 229d5975363Spbrook pthread_mutex_unlock(&exclusive_lock); 230d5975363Spbrook } 231d5975363Spbrook #else /* if !USE_NPTL */ 232d5975363Spbrook /* These are no-ops because we are not threadsafe. */ 233d5975363Spbrook static inline void cpu_exec_start(CPUState *env) 234d5975363Spbrook { 235d5975363Spbrook } 236d5975363Spbrook 237d5975363Spbrook static inline void cpu_exec_end(CPUState *env) 238d5975363Spbrook { 239d5975363Spbrook } 240d5975363Spbrook 241d5975363Spbrook static inline void start_exclusive(void) 242d5975363Spbrook { 243d5975363Spbrook } 244d5975363Spbrook 245d5975363Spbrook static inline void end_exclusive(void) 246d5975363Spbrook { 247d5975363Spbrook } 248d5975363Spbrook 249d5975363Spbrook void fork_start(void) 250d5975363Spbrook { 251d5975363Spbrook } 252d5975363Spbrook 253d5975363Spbrook void fork_end(int child) 254d5975363Spbrook { 255d5975363Spbrook } 256d5975363Spbrook #endif 257d5975363Spbrook 258d5975363Spbrook 259a541f297Sbellard #ifdef TARGET_I386 260a541f297Sbellard /***********************************************************/ 261a541f297Sbellard /* CPUX86 core interface */ 262a541f297Sbellard 26302a1602eSbellard void cpu_smm_update(CPUState *env) 26402a1602eSbellard { 26502a1602eSbellard } 26602a1602eSbellard 26728ab0e2eSbellard uint64_t cpu_get_tsc(CPUX86State *env) 26828ab0e2eSbellard { 26928ab0e2eSbellard return cpu_get_real_ticks(); 27028ab0e2eSbellard } 27128ab0e2eSbellard 272f4beb510Sbellard static void write_dt(void *ptr, unsigned long addr, unsigned long limit, 273f4beb510Sbellard int flags) 2746dbad63eSbellard { 275f4beb510Sbellard unsigned int e1, e2; 27653a5960aSpbrook uint32_t *p; 2776dbad63eSbellard e1 = (addr << 16) | (limit & 0xffff); 2786dbad63eSbellard e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); 279f4beb510Sbellard e2 |= flags; 28053a5960aSpbrook p = ptr; 28153a5960aSpbrook p[0] = tswapl(e1); 28253a5960aSpbrook p[1] = tswapl(e2); 283f4beb510Sbellard } 284f4beb510Sbellard 285d2fd1af7Sbellard #if TARGET_X86_64 286d2fd1af7Sbellard uint64_t idt_table[512]; 287d2fd1af7Sbellard 288d2fd1af7Sbellard static void set_gate64(void *ptr, unsigned int type, unsigned int dpl, 289d2fd1af7Sbellard uint64_t addr, unsigned int sel) 290d2fd1af7Sbellard { 2914dbc422bSbellard uint32_t *p, e1, e2; 292d2fd1af7Sbellard e1 = (addr & 0xffff) | (sel << 16); 293d2fd1af7Sbellard e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); 294d2fd1af7Sbellard p = ptr; 2954dbc422bSbellard p[0] = tswap32(e1); 2964dbc422bSbellard p[1] = tswap32(e2); 2974dbc422bSbellard p[2] = tswap32(addr >> 32); 2984dbc422bSbellard p[3] = 0; 299d2fd1af7Sbellard } 300d2fd1af7Sbellard /* only dpl matters as we do only user space emulation */ 301d2fd1af7Sbellard static void set_idt(int n, unsigned int dpl) 302d2fd1af7Sbellard { 303d2fd1af7Sbellard set_gate64(idt_table + n * 2, 0, dpl, 0, 0); 304d2fd1af7Sbellard } 305d2fd1af7Sbellard #else 306d2fd1af7Sbellard uint64_t idt_table[256]; 307d2fd1af7Sbellard 308f4beb510Sbellard static void set_gate(void *ptr, unsigned int type, unsigned int dpl, 309d2fd1af7Sbellard uint32_t addr, unsigned int sel) 310f4beb510Sbellard { 3114dbc422bSbellard uint32_t *p, e1, e2; 312f4beb510Sbellard e1 = (addr & 0xffff) | (sel << 16); 313f4beb510Sbellard e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); 31453a5960aSpbrook p = ptr; 3154dbc422bSbellard p[0] = tswap32(e1); 3164dbc422bSbellard p[1] = tswap32(e2); 3176dbad63eSbellard } 3186dbad63eSbellard 319f4beb510Sbellard /* only dpl matters as we do only user space emulation */ 320f4beb510Sbellard static void set_idt(int n, unsigned int dpl) 321f4beb510Sbellard { 322f4beb510Sbellard set_gate(idt_table + n, 0, dpl, 0, 0); 323f4beb510Sbellard } 324d2fd1af7Sbellard #endif 32531e31b8aSbellard 32689e957e7Sbellard void cpu_loop(CPUX86State *env) 327bc8a22ccSbellard { 328bc8a22ccSbellard int trapnr; 329992f48a0Sblueswir1 abi_ulong pc; 330bc8a22ccSbellard target_siginfo_t info; 331bc8a22ccSbellard 332bc8a22ccSbellard for(;;) { 333bc8a22ccSbellard trapnr = cpu_x86_exec(env); 334bc8a22ccSbellard switch(trapnr) { 335f4beb510Sbellard case 0x80: 336d2fd1af7Sbellard /* linux syscall from int $0x80 */ 3371b6b029eSbellard env->regs[R_EAX] = do_syscall(env, 3381b6b029eSbellard env->regs[R_EAX], 3391b6b029eSbellard env->regs[R_EBX], 3401b6b029eSbellard env->regs[R_ECX], 3411b6b029eSbellard env->regs[R_EDX], 3421b6b029eSbellard env->regs[R_ESI], 3431b6b029eSbellard env->regs[R_EDI], 3441b6b029eSbellard env->regs[R_EBP]); 345f4beb510Sbellard break; 346d2fd1af7Sbellard #ifndef TARGET_ABI32 347d2fd1af7Sbellard case EXCP_SYSCALL: 348d2fd1af7Sbellard /* linux syscall from syscall intruction */ 349d2fd1af7Sbellard env->regs[R_EAX] = do_syscall(env, 350d2fd1af7Sbellard env->regs[R_EAX], 351d2fd1af7Sbellard env->regs[R_EDI], 352d2fd1af7Sbellard env->regs[R_ESI], 353d2fd1af7Sbellard env->regs[R_EDX], 354d2fd1af7Sbellard env->regs[10], 355d2fd1af7Sbellard env->regs[8], 356d2fd1af7Sbellard env->regs[9]); 357d2fd1af7Sbellard env->eip = env->exception_next_eip; 358d2fd1af7Sbellard break; 359d2fd1af7Sbellard #endif 360f4beb510Sbellard case EXCP0B_NOSEG: 361f4beb510Sbellard case EXCP0C_STACK: 362f4beb510Sbellard info.si_signo = SIGBUS; 363f4beb510Sbellard info.si_errno = 0; 364f4beb510Sbellard info.si_code = TARGET_SI_KERNEL; 365f4beb510Sbellard info._sifields._sigfault._addr = 0; 366624f7979Spbrook queue_signal(env, info.si_signo, &info); 367f4beb510Sbellard break; 368f4beb510Sbellard case EXCP0D_GPF: 369d2fd1af7Sbellard /* XXX: potential problem if ABI32 */ 37084409ddbSj_mayer #ifndef TARGET_X86_64 371f4beb510Sbellard if (env->eflags & VM_MASK) { 372f4beb510Sbellard handle_vm86_fault(env); 37384409ddbSj_mayer } else 37484409ddbSj_mayer #endif 37584409ddbSj_mayer { 3769de5e440Sbellard info.si_signo = SIGSEGV; 3779de5e440Sbellard info.si_errno = 0; 378b689bc57Sbellard info.si_code = TARGET_SI_KERNEL; 3799de5e440Sbellard info._sifields._sigfault._addr = 0; 380624f7979Spbrook queue_signal(env, info.si_signo, &info); 3811b6b029eSbellard } 3821b6b029eSbellard break; 383b689bc57Sbellard case EXCP0E_PAGE: 384b689bc57Sbellard info.si_signo = SIGSEGV; 385b689bc57Sbellard info.si_errno = 0; 386b689bc57Sbellard if (!(env->error_code & 1)) 387b689bc57Sbellard info.si_code = TARGET_SEGV_MAPERR; 388b689bc57Sbellard else 389b689bc57Sbellard info.si_code = TARGET_SEGV_ACCERR; 390970a87a6Sbellard info._sifields._sigfault._addr = env->cr[2]; 391624f7979Spbrook queue_signal(env, info.si_signo, &info); 392b689bc57Sbellard break; 3939de5e440Sbellard case EXCP00_DIVZ: 39484409ddbSj_mayer #ifndef TARGET_X86_64 395bc8a22ccSbellard if (env->eflags & VM_MASK) { 396447db213Sbellard handle_vm86_trap(env, trapnr); 39784409ddbSj_mayer } else 39884409ddbSj_mayer #endif 39984409ddbSj_mayer { 4009de5e440Sbellard /* division by zero */ 4019de5e440Sbellard info.si_signo = SIGFPE; 4029de5e440Sbellard info.si_errno = 0; 4039de5e440Sbellard info.si_code = TARGET_FPE_INTDIV; 4049de5e440Sbellard info._sifields._sigfault._addr = env->eip; 405624f7979Spbrook queue_signal(env, info.si_signo, &info); 406bc8a22ccSbellard } 4079de5e440Sbellard break; 408447db213Sbellard case EXCP01_SSTP: 409447db213Sbellard case EXCP03_INT3: 41084409ddbSj_mayer #ifndef TARGET_X86_64 411447db213Sbellard if (env->eflags & VM_MASK) { 412447db213Sbellard handle_vm86_trap(env, trapnr); 41384409ddbSj_mayer } else 41484409ddbSj_mayer #endif 41584409ddbSj_mayer { 416447db213Sbellard info.si_signo = SIGTRAP; 417447db213Sbellard info.si_errno = 0; 418447db213Sbellard if (trapnr == EXCP01_SSTP) { 419447db213Sbellard info.si_code = TARGET_TRAP_BRKPT; 420447db213Sbellard info._sifields._sigfault._addr = env->eip; 421447db213Sbellard } else { 422447db213Sbellard info.si_code = TARGET_SI_KERNEL; 423447db213Sbellard info._sifields._sigfault._addr = 0; 424447db213Sbellard } 425624f7979Spbrook queue_signal(env, info.si_signo, &info); 426447db213Sbellard } 427447db213Sbellard break; 4289de5e440Sbellard case EXCP04_INTO: 4299de5e440Sbellard case EXCP05_BOUND: 43084409ddbSj_mayer #ifndef TARGET_X86_64 431bc8a22ccSbellard if (env->eflags & VM_MASK) { 432447db213Sbellard handle_vm86_trap(env, trapnr); 43384409ddbSj_mayer } else 43484409ddbSj_mayer #endif 43584409ddbSj_mayer { 4369de5e440Sbellard info.si_signo = SIGSEGV; 4379de5e440Sbellard info.si_errno = 0; 438b689bc57Sbellard info.si_code = TARGET_SI_KERNEL; 4399de5e440Sbellard info._sifields._sigfault._addr = 0; 440624f7979Spbrook queue_signal(env, info.si_signo, &info); 441bc8a22ccSbellard } 4429de5e440Sbellard break; 4439de5e440Sbellard case EXCP06_ILLOP: 4449de5e440Sbellard info.si_signo = SIGILL; 4459de5e440Sbellard info.si_errno = 0; 4469de5e440Sbellard info.si_code = TARGET_ILL_ILLOPN; 4479de5e440Sbellard info._sifields._sigfault._addr = env->eip; 448624f7979Spbrook queue_signal(env, info.si_signo, &info); 4499de5e440Sbellard break; 4509de5e440Sbellard case EXCP_INTERRUPT: 4519de5e440Sbellard /* just indicate that signals should be handled asap */ 4529de5e440Sbellard break; 4531fddef4bSbellard case EXCP_DEBUG: 4541fddef4bSbellard { 4551fddef4bSbellard int sig; 4561fddef4bSbellard 4571fddef4bSbellard sig = gdb_handlesig (env, TARGET_SIGTRAP); 4581fddef4bSbellard if (sig) 4591fddef4bSbellard { 4601fddef4bSbellard info.si_signo = sig; 4611fddef4bSbellard info.si_errno = 0; 4621fddef4bSbellard info.si_code = TARGET_TRAP_BRKPT; 463624f7979Spbrook queue_signal(env, info.si_signo, &info); 4641fddef4bSbellard } 4651fddef4bSbellard } 4661fddef4bSbellard break; 4671b6b029eSbellard default: 468970a87a6Sbellard pc = env->segs[R_CS].base + env->eip; 469bc8a22ccSbellard fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", 470bc8a22ccSbellard (long)pc, trapnr); 4711b6b029eSbellard abort(); 4721b6b029eSbellard } 47366fb9763Sbellard process_pending_signals(env); 4741b6b029eSbellard } 4751b6b029eSbellard } 476b346ff46Sbellard #endif 477b346ff46Sbellard 478b346ff46Sbellard #ifdef TARGET_ARM 479b346ff46Sbellard 4806f1f31c0Sbellard /* XXX: find a better solution */ 481992f48a0Sblueswir1 extern void tb_invalidate_page_range(abi_ulong start, abi_ulong end); 4826f1f31c0Sbellard 483992f48a0Sblueswir1 static void arm_cache_flush(abi_ulong start, abi_ulong last) 4846f1f31c0Sbellard { 485992f48a0Sblueswir1 abi_ulong addr, last1; 4866f1f31c0Sbellard 4876f1f31c0Sbellard if (last < start) 4886f1f31c0Sbellard return; 4896f1f31c0Sbellard addr = start; 4906f1f31c0Sbellard for(;;) { 4916f1f31c0Sbellard last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1; 4926f1f31c0Sbellard if (last1 > last) 4936f1f31c0Sbellard last1 = last; 4946f1f31c0Sbellard tb_invalidate_page_range(addr, last1 + 1); 4956f1f31c0Sbellard if (last1 == last) 4966f1f31c0Sbellard break; 4976f1f31c0Sbellard addr = last1 + 1; 4986f1f31c0Sbellard } 4996f1f31c0Sbellard } 5006f1f31c0Sbellard 501fbb4a2e3Spbrook /* Handle a jump to the kernel code page. */ 502fbb4a2e3Spbrook static int 503fbb4a2e3Spbrook do_kernel_trap(CPUARMState *env) 504fbb4a2e3Spbrook { 505fbb4a2e3Spbrook uint32_t addr; 506fbb4a2e3Spbrook uint32_t cpsr; 507fbb4a2e3Spbrook uint32_t val; 508fbb4a2e3Spbrook 509fbb4a2e3Spbrook switch (env->regs[15]) { 510fbb4a2e3Spbrook case 0xffff0fa0: /* __kernel_memory_barrier */ 511fbb4a2e3Spbrook /* ??? No-op. Will need to do better for SMP. */ 512fbb4a2e3Spbrook break; 513fbb4a2e3Spbrook case 0xffff0fc0: /* __kernel_cmpxchg */ 514d5975363Spbrook /* XXX: This only works between threads, not between processes. 515d5975363Spbrook It's probably possible to implement this with native host 516d5975363Spbrook operations. However things like ldrex/strex are much harder so 517d5975363Spbrook there's not much point trying. */ 518d5975363Spbrook start_exclusive(); 519fbb4a2e3Spbrook cpsr = cpsr_read(env); 520fbb4a2e3Spbrook addr = env->regs[2]; 521fbb4a2e3Spbrook /* FIXME: This should SEGV if the access fails. */ 522fbb4a2e3Spbrook if (get_user_u32(val, addr)) 523fbb4a2e3Spbrook val = ~env->regs[0]; 524fbb4a2e3Spbrook if (val == env->regs[0]) { 525fbb4a2e3Spbrook val = env->regs[1]; 526fbb4a2e3Spbrook /* FIXME: Check for segfaults. */ 527fbb4a2e3Spbrook put_user_u32(val, addr); 528fbb4a2e3Spbrook env->regs[0] = 0; 529fbb4a2e3Spbrook cpsr |= CPSR_C; 530fbb4a2e3Spbrook } else { 531fbb4a2e3Spbrook env->regs[0] = -1; 532fbb4a2e3Spbrook cpsr &= ~CPSR_C; 533fbb4a2e3Spbrook } 534fbb4a2e3Spbrook cpsr_write(env, cpsr, CPSR_C); 535d5975363Spbrook end_exclusive(); 536fbb4a2e3Spbrook break; 537fbb4a2e3Spbrook case 0xffff0fe0: /* __kernel_get_tls */ 538fbb4a2e3Spbrook env->regs[0] = env->cp15.c13_tls2; 539fbb4a2e3Spbrook break; 540fbb4a2e3Spbrook default: 541fbb4a2e3Spbrook return 1; 542fbb4a2e3Spbrook } 543fbb4a2e3Spbrook /* Jump back to the caller. */ 544fbb4a2e3Spbrook addr = env->regs[14]; 545fbb4a2e3Spbrook if (addr & 1) { 546fbb4a2e3Spbrook env->thumb = 1; 547fbb4a2e3Spbrook addr &= ~1; 548fbb4a2e3Spbrook } 549fbb4a2e3Spbrook env->regs[15] = addr; 550fbb4a2e3Spbrook 551fbb4a2e3Spbrook return 0; 552fbb4a2e3Spbrook } 553fbb4a2e3Spbrook 554b346ff46Sbellard void cpu_loop(CPUARMState *env) 555b346ff46Sbellard { 556b346ff46Sbellard int trapnr; 557b346ff46Sbellard unsigned int n, insn; 558b346ff46Sbellard target_siginfo_t info; 559b5ff1b31Sbellard uint32_t addr; 560b346ff46Sbellard 561b346ff46Sbellard for(;;) { 562d5975363Spbrook cpu_exec_start(env); 563b346ff46Sbellard trapnr = cpu_arm_exec(env); 564d5975363Spbrook cpu_exec_end(env); 565b346ff46Sbellard switch(trapnr) { 566b346ff46Sbellard case EXCP_UDEF: 567c6981055Sbellard { 568c6981055Sbellard TaskState *ts = env->opaque; 569c6981055Sbellard uint32_t opcode; 5706d9a42beSaurel32 int rc; 571c6981055Sbellard 572c6981055Sbellard /* we handle the FPU emulation here, as Linux */ 573c6981055Sbellard /* we get the opcode */ 5742f619698Sbellard /* FIXME - what to do if get_user() fails? */ 5752f619698Sbellard get_user_u32(opcode, env->regs[15]); 576c6981055Sbellard 5776d9a42beSaurel32 rc = EmulateAll(opcode, &ts->fpa, env); 5786d9a42beSaurel32 if (rc == 0) { /* illegal instruction */ 579b346ff46Sbellard info.si_signo = SIGILL; 580b346ff46Sbellard info.si_errno = 0; 581b346ff46Sbellard info.si_code = TARGET_ILL_ILLOPN; 582b346ff46Sbellard info._sifields._sigfault._addr = env->regs[15]; 583624f7979Spbrook queue_signal(env, info.si_signo, &info); 5846d9a42beSaurel32 } else if (rc < 0) { /* FP exception */ 5856d9a42beSaurel32 int arm_fpe=0; 5866d9a42beSaurel32 5876d9a42beSaurel32 /* translate softfloat flags to FPSR flags */ 5886d9a42beSaurel32 if (-rc & float_flag_invalid) 5896d9a42beSaurel32 arm_fpe |= BIT_IOC; 5906d9a42beSaurel32 if (-rc & float_flag_divbyzero) 5916d9a42beSaurel32 arm_fpe |= BIT_DZC; 5926d9a42beSaurel32 if (-rc & float_flag_overflow) 5936d9a42beSaurel32 arm_fpe |= BIT_OFC; 5946d9a42beSaurel32 if (-rc & float_flag_underflow) 5956d9a42beSaurel32 arm_fpe |= BIT_UFC; 5966d9a42beSaurel32 if (-rc & float_flag_inexact) 5976d9a42beSaurel32 arm_fpe |= BIT_IXC; 5986d9a42beSaurel32 5996d9a42beSaurel32 FPSR fpsr = ts->fpa.fpsr; 6006d9a42beSaurel32 //printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe); 6016d9a42beSaurel32 6026d9a42beSaurel32 if (fpsr & (arm_fpe << 16)) { /* exception enabled? */ 6036d9a42beSaurel32 info.si_signo = SIGFPE; 6046d9a42beSaurel32 info.si_errno = 0; 6056d9a42beSaurel32 6066d9a42beSaurel32 /* ordered by priority, least first */ 6076d9a42beSaurel32 if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES; 6086d9a42beSaurel32 if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND; 6096d9a42beSaurel32 if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF; 6106d9a42beSaurel32 if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV; 6116d9a42beSaurel32 if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV; 6126d9a42beSaurel32 6136d9a42beSaurel32 info._sifields._sigfault._addr = env->regs[15]; 614624f7979Spbrook queue_signal(env, info.si_signo, &info); 615c6981055Sbellard } else { 6166d9a42beSaurel32 env->regs[15] += 4; 6176d9a42beSaurel32 } 6186d9a42beSaurel32 6196d9a42beSaurel32 /* accumulate unenabled exceptions */ 6206d9a42beSaurel32 if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC)) 6216d9a42beSaurel32 fpsr |= BIT_IXC; 6226d9a42beSaurel32 if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC)) 6236d9a42beSaurel32 fpsr |= BIT_UFC; 6246d9a42beSaurel32 if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC)) 6256d9a42beSaurel32 fpsr |= BIT_OFC; 6266d9a42beSaurel32 if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC)) 6276d9a42beSaurel32 fpsr |= BIT_DZC; 6286d9a42beSaurel32 if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC)) 6296d9a42beSaurel32 fpsr |= BIT_IOC; 6306d9a42beSaurel32 ts->fpa.fpsr=fpsr; 6316d9a42beSaurel32 } else { /* everything OK */ 632c6981055Sbellard /* increment PC */ 633c6981055Sbellard env->regs[15] += 4; 634c6981055Sbellard } 635c6981055Sbellard } 636b346ff46Sbellard break; 637b346ff46Sbellard case EXCP_SWI: 63806c949e6Spbrook case EXCP_BKPT: 639b346ff46Sbellard { 640ce4defa0Spbrook env->eabi = 1; 641b346ff46Sbellard /* system call */ 64206c949e6Spbrook if (trapnr == EXCP_BKPT) { 64306c949e6Spbrook if (env->thumb) { 6442f619698Sbellard /* FIXME - what to do if get_user() fails? */ 6452f619698Sbellard get_user_u16(insn, env->regs[15]); 64606c949e6Spbrook n = insn & 0xff; 64706c949e6Spbrook env->regs[15] += 2; 64806c949e6Spbrook } else { 6492f619698Sbellard /* FIXME - what to do if get_user() fails? */ 6502f619698Sbellard get_user_u32(insn, env->regs[15]); 65106c949e6Spbrook n = (insn & 0xf) | ((insn >> 4) & 0xff0); 65206c949e6Spbrook env->regs[15] += 4; 65306c949e6Spbrook } 65406c949e6Spbrook } else { 655192c7bd9Sbellard if (env->thumb) { 6562f619698Sbellard /* FIXME - what to do if get_user() fails? */ 6572f619698Sbellard get_user_u16(insn, env->regs[15] - 2); 658192c7bd9Sbellard n = insn & 0xff; 659192c7bd9Sbellard } else { 6602f619698Sbellard /* FIXME - what to do if get_user() fails? */ 6612f619698Sbellard get_user_u32(insn, env->regs[15] - 4); 662b346ff46Sbellard n = insn & 0xffffff; 663192c7bd9Sbellard } 66406c949e6Spbrook } 665192c7bd9Sbellard 6666f1f31c0Sbellard if (n == ARM_NR_cacheflush) { 6676f1f31c0Sbellard arm_cache_flush(env->regs[0], env->regs[1]); 668a4f81979Sbellard } else if (n == ARM_NR_semihosting 669a4f81979Sbellard || n == ARM_NR_thumb_semihosting) { 670a4f81979Sbellard env->regs[0] = do_arm_semihosting (env); 671ce4defa0Spbrook } else if (n == 0 || n >= ARM_SYSCALL_BASE 672192c7bd9Sbellard || (env->thumb && n == ARM_THUMB_SYSCALL)) { 673b346ff46Sbellard /* linux syscall */ 674ce4defa0Spbrook if (env->thumb || n == 0) { 675192c7bd9Sbellard n = env->regs[7]; 676192c7bd9Sbellard } else { 677b346ff46Sbellard n -= ARM_SYSCALL_BASE; 678ce4defa0Spbrook env->eabi = 0; 679192c7bd9Sbellard } 680fbb4a2e3Spbrook if ( n > ARM_NR_BASE) { 681fbb4a2e3Spbrook switch (n) { 682fbb4a2e3Spbrook case ARM_NR_cacheflush: 683fbb4a2e3Spbrook arm_cache_flush(env->regs[0], env->regs[1]); 684fbb4a2e3Spbrook break; 685fbb4a2e3Spbrook case ARM_NR_set_tls: 686fbb4a2e3Spbrook cpu_set_tls(env, env->regs[0]); 687fbb4a2e3Spbrook env->regs[0] = 0; 688fbb4a2e3Spbrook break; 689fbb4a2e3Spbrook default: 690fbb4a2e3Spbrook gemu_log("qemu: Unsupported ARM syscall: 0x%x\n", 691fbb4a2e3Spbrook n); 692fbb4a2e3Spbrook env->regs[0] = -TARGET_ENOSYS; 693fbb4a2e3Spbrook break; 694fbb4a2e3Spbrook } 695fbb4a2e3Spbrook } else { 696b346ff46Sbellard env->regs[0] = do_syscall(env, 697b346ff46Sbellard n, 698b346ff46Sbellard env->regs[0], 699b346ff46Sbellard env->regs[1], 700b346ff46Sbellard env->regs[2], 701b346ff46Sbellard env->regs[3], 702b346ff46Sbellard env->regs[4], 703e1a2849cSbellard env->regs[5]); 704fbb4a2e3Spbrook } 705b346ff46Sbellard } else { 706b346ff46Sbellard goto error; 707b346ff46Sbellard } 708b346ff46Sbellard } 709b346ff46Sbellard break; 71043fff238Sbellard case EXCP_INTERRUPT: 71143fff238Sbellard /* just indicate that signals should be handled asap */ 71243fff238Sbellard break; 71368016c62Sbellard case EXCP_PREFETCH_ABORT: 714eae473c1Sbalrog addr = env->cp15.c6_insn; 715b5ff1b31Sbellard goto do_segv; 71668016c62Sbellard case EXCP_DATA_ABORT: 717eae473c1Sbalrog addr = env->cp15.c6_data; 718b5ff1b31Sbellard goto do_segv; 719b5ff1b31Sbellard do_segv: 72068016c62Sbellard { 72168016c62Sbellard info.si_signo = SIGSEGV; 72268016c62Sbellard info.si_errno = 0; 72368016c62Sbellard /* XXX: check env->error_code */ 72468016c62Sbellard info.si_code = TARGET_SEGV_MAPERR; 725b5ff1b31Sbellard info._sifields._sigfault._addr = addr; 726624f7979Spbrook queue_signal(env, info.si_signo, &info); 72768016c62Sbellard } 72868016c62Sbellard break; 7291fddef4bSbellard case EXCP_DEBUG: 7301fddef4bSbellard { 7311fddef4bSbellard int sig; 7321fddef4bSbellard 7331fddef4bSbellard sig = gdb_handlesig (env, TARGET_SIGTRAP); 7341fddef4bSbellard if (sig) 7351fddef4bSbellard { 7361fddef4bSbellard info.si_signo = sig; 7371fddef4bSbellard info.si_errno = 0; 7381fddef4bSbellard info.si_code = TARGET_TRAP_BRKPT; 739624f7979Spbrook queue_signal(env, info.si_signo, &info); 7401fddef4bSbellard } 7411fddef4bSbellard } 7421fddef4bSbellard break; 743fbb4a2e3Spbrook case EXCP_KERNEL_TRAP: 744fbb4a2e3Spbrook if (do_kernel_trap(env)) 745fbb4a2e3Spbrook goto error; 746fbb4a2e3Spbrook break; 747b346ff46Sbellard default: 748b346ff46Sbellard error: 749b346ff46Sbellard fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 750b346ff46Sbellard trapnr); 7517fe48483Sbellard cpu_dump_state(env, stderr, fprintf, 0); 752b346ff46Sbellard abort(); 753b346ff46Sbellard } 754b346ff46Sbellard process_pending_signals(env); 755b346ff46Sbellard } 756b346ff46Sbellard } 757b346ff46Sbellard 758b346ff46Sbellard #endif 7591b6b029eSbellard 76093ac68bcSbellard #ifdef TARGET_SPARC 76193ac68bcSbellard 762060366c5Sbellard //#define DEBUG_WIN 763060366c5Sbellard 7642623cbafSbellard /* WARNING: dealing with register windows _is_ complicated. More info 7652623cbafSbellard can be found at http://www.sics.se/~psm/sparcstack.html */ 766060366c5Sbellard static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) 767060366c5Sbellard { 7681a14026eSblueswir1 index = (index + cwp * 16) % (16 * env->nwindows); 769060366c5Sbellard /* wrap handling : if cwp is on the last window, then we use the 770060366c5Sbellard registers 'after' the end */ 7711a14026eSblueswir1 if (index < 8 && env->cwp == env->nwindows - 1) 7721a14026eSblueswir1 index += 16 * env->nwindows; 773060366c5Sbellard return index; 774060366c5Sbellard } 775060366c5Sbellard 7762623cbafSbellard /* save the register window 'cwp1' */ 7772623cbafSbellard static inline void save_window_offset(CPUSPARCState *env, int cwp1) 778060366c5Sbellard { 7792623cbafSbellard unsigned int i; 780992f48a0Sblueswir1 abi_ulong sp_ptr; 781060366c5Sbellard 78253a5960aSpbrook sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; 783060366c5Sbellard #if defined(DEBUG_WIN) 7842daf0284Sblueswir1 printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n", 7852daf0284Sblueswir1 sp_ptr, cwp1); 786060366c5Sbellard #endif 7872623cbafSbellard for(i = 0; i < 16; i++) { 7882f619698Sbellard /* FIXME - what to do if put_user() fails? */ 7892f619698Sbellard put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); 790992f48a0Sblueswir1 sp_ptr += sizeof(abi_ulong); 7912623cbafSbellard } 792060366c5Sbellard } 793060366c5Sbellard 794060366c5Sbellard static void save_window(CPUSPARCState *env) 795060366c5Sbellard { 7965ef54116Sbellard #ifndef TARGET_SPARC64 7972623cbafSbellard unsigned int new_wim; 7981a14026eSblueswir1 new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) & 7991a14026eSblueswir1 ((1LL << env->nwindows) - 1); 8001a14026eSblueswir1 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2)); 8012623cbafSbellard env->wim = new_wim; 8025ef54116Sbellard #else 8031a14026eSblueswir1 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2)); 8045ef54116Sbellard env->cansave++; 8055ef54116Sbellard env->canrestore--; 8065ef54116Sbellard #endif 807060366c5Sbellard } 808060366c5Sbellard 809060366c5Sbellard static void restore_window(CPUSPARCState *env) 810060366c5Sbellard { 811060366c5Sbellard unsigned int new_wim, i, cwp1; 812992f48a0Sblueswir1 abi_ulong sp_ptr; 813060366c5Sbellard 8141a14026eSblueswir1 new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) & 8151a14026eSblueswir1 ((1LL << env->nwindows) - 1); 816060366c5Sbellard 817060366c5Sbellard /* restore the invalid window */ 8181a14026eSblueswir1 cwp1 = cpu_cwp_inc(env, env->cwp + 1); 81953a5960aSpbrook sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; 820060366c5Sbellard #if defined(DEBUG_WIN) 8212daf0284Sblueswir1 printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n", 8222daf0284Sblueswir1 sp_ptr, cwp1); 823060366c5Sbellard #endif 8242623cbafSbellard for(i = 0; i < 16; i++) { 8252f619698Sbellard /* FIXME - what to do if get_user() fails? */ 8262f619698Sbellard get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); 827992f48a0Sblueswir1 sp_ptr += sizeof(abi_ulong); 8282623cbafSbellard } 829060366c5Sbellard env->wim = new_wim; 8305ef54116Sbellard #ifdef TARGET_SPARC64 8315ef54116Sbellard env->canrestore++; 8321a14026eSblueswir1 if (env->cleanwin < env->nwindows - 1) 8335ef54116Sbellard env->cleanwin++; 8345ef54116Sbellard env->cansave--; 8355ef54116Sbellard #endif 836060366c5Sbellard } 837060366c5Sbellard 838060366c5Sbellard static void flush_windows(CPUSPARCState *env) 839060366c5Sbellard { 840060366c5Sbellard int offset, cwp1; 8412623cbafSbellard 8422623cbafSbellard offset = 1; 843060366c5Sbellard for(;;) { 844060366c5Sbellard /* if restore would invoke restore_window(), then we can stop */ 8451a14026eSblueswir1 cwp1 = cpu_cwp_inc(env, env->cwp + offset); 846060366c5Sbellard if (env->wim & (1 << cwp1)) 847060366c5Sbellard break; 8482623cbafSbellard save_window_offset(env, cwp1); 849060366c5Sbellard offset++; 850060366c5Sbellard } 8512623cbafSbellard /* set wim so that restore will reload the registers */ 8521a14026eSblueswir1 cwp1 = cpu_cwp_inc(env, env->cwp + 1); 8532623cbafSbellard env->wim = 1 << cwp1; 8542623cbafSbellard #if defined(DEBUG_WIN) 8552623cbafSbellard printf("flush_windows: nb=%d\n", offset - 1); 85680a9d035Sbellard #endif 8572623cbafSbellard } 858060366c5Sbellard 85993ac68bcSbellard void cpu_loop (CPUSPARCState *env) 86093ac68bcSbellard { 861060366c5Sbellard int trapnr, ret; 86261ff6f58Sbellard target_siginfo_t info; 86393ac68bcSbellard 86493ac68bcSbellard while (1) { 86593ac68bcSbellard trapnr = cpu_sparc_exec (env); 86693ac68bcSbellard 86793ac68bcSbellard switch (trapnr) { 8685ef54116Sbellard #ifndef TARGET_SPARC64 869060366c5Sbellard case 0x88: 870060366c5Sbellard case 0x90: 8715ef54116Sbellard #else 872cb33da57Sblueswir1 case 0x110: 8735ef54116Sbellard case 0x16d: 8745ef54116Sbellard #endif 875060366c5Sbellard ret = do_syscall (env, env->gregs[1], 876060366c5Sbellard env->regwptr[0], env->regwptr[1], 877060366c5Sbellard env->regwptr[2], env->regwptr[3], 878060366c5Sbellard env->regwptr[4], env->regwptr[5]); 879060366c5Sbellard if ((unsigned int)ret >= (unsigned int)(-515)) { 880992f48a0Sblueswir1 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) 88127908725Sbellard env->xcc |= PSR_CARRY; 88227908725Sbellard #else 88393ac68bcSbellard env->psr |= PSR_CARRY; 88427908725Sbellard #endif 885060366c5Sbellard ret = -ret; 886060366c5Sbellard } else { 887992f48a0Sblueswir1 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) 88827908725Sbellard env->xcc &= ~PSR_CARRY; 88927908725Sbellard #else 890060366c5Sbellard env->psr &= ~PSR_CARRY; 89127908725Sbellard #endif 892060366c5Sbellard } 893060366c5Sbellard env->regwptr[0] = ret; 894060366c5Sbellard /* next instruction */ 895060366c5Sbellard env->pc = env->npc; 896060366c5Sbellard env->npc = env->npc + 4; 897060366c5Sbellard break; 898060366c5Sbellard case 0x83: /* flush windows */ 899992f48a0Sblueswir1 #ifdef TARGET_ABI32 900992f48a0Sblueswir1 case 0x103: 901992f48a0Sblueswir1 #endif 9022623cbafSbellard flush_windows(env); 903060366c5Sbellard /* next instruction */ 904060366c5Sbellard env->pc = env->npc; 905060366c5Sbellard env->npc = env->npc + 4; 906060366c5Sbellard break; 9073475187dSbellard #ifndef TARGET_SPARC64 908060366c5Sbellard case TT_WIN_OVF: /* window overflow */ 909060366c5Sbellard save_window(env); 910060366c5Sbellard break; 911060366c5Sbellard case TT_WIN_UNF: /* window underflow */ 912060366c5Sbellard restore_window(env); 91393ac68bcSbellard break; 91461ff6f58Sbellard case TT_TFAULT: 91561ff6f58Sbellard case TT_DFAULT: 91661ff6f58Sbellard { 91761ff6f58Sbellard info.si_signo = SIGSEGV; 91861ff6f58Sbellard info.si_errno = 0; 91961ff6f58Sbellard /* XXX: check env->error_code */ 92061ff6f58Sbellard info.si_code = TARGET_SEGV_MAPERR; 92161ff6f58Sbellard info._sifields._sigfault._addr = env->mmuregs[4]; 922624f7979Spbrook queue_signal(env, info.si_signo, &info); 92361ff6f58Sbellard } 92461ff6f58Sbellard break; 9253475187dSbellard #else 9265ef54116Sbellard case TT_SPILL: /* window overflow */ 9275ef54116Sbellard save_window(env); 9285ef54116Sbellard break; 9295ef54116Sbellard case TT_FILL: /* window underflow */ 9305ef54116Sbellard restore_window(env); 9315ef54116Sbellard break; 9327f84a729Sblueswir1 case TT_TFAULT: 9337f84a729Sblueswir1 case TT_DFAULT: 9347f84a729Sblueswir1 { 9357f84a729Sblueswir1 info.si_signo = SIGSEGV; 9367f84a729Sblueswir1 info.si_errno = 0; 9377f84a729Sblueswir1 /* XXX: check env->error_code */ 9387f84a729Sblueswir1 info.si_code = TARGET_SEGV_MAPERR; 9397f84a729Sblueswir1 if (trapnr == TT_DFAULT) 9407f84a729Sblueswir1 info._sifields._sigfault._addr = env->dmmuregs[4]; 9417f84a729Sblueswir1 else 942375ee38bSblueswir1 info._sifields._sigfault._addr = env->tsptr->tpc; 943624f7979Spbrook queue_signal(env, info.si_signo, &info); 9447f84a729Sblueswir1 } 9457f84a729Sblueswir1 break; 94627524dc3Sbellard #ifndef TARGET_ABI32 9475bfb56b2Sblueswir1 case 0x16e: 9485bfb56b2Sblueswir1 flush_windows(env); 9495bfb56b2Sblueswir1 sparc64_get_context(env); 9505bfb56b2Sblueswir1 break; 9515bfb56b2Sblueswir1 case 0x16f: 9525bfb56b2Sblueswir1 flush_windows(env); 9535bfb56b2Sblueswir1 sparc64_set_context(env); 9545bfb56b2Sblueswir1 break; 9553475187dSbellard #endif 95627524dc3Sbellard #endif 95748dc41ebSbellard case EXCP_INTERRUPT: 95848dc41ebSbellard /* just indicate that signals should be handled asap */ 959e80cfcfcSbellard break; 9601fddef4bSbellard case EXCP_DEBUG: 9611fddef4bSbellard { 9621fddef4bSbellard int sig; 9631fddef4bSbellard 9641fddef4bSbellard sig = gdb_handlesig (env, TARGET_SIGTRAP); 9651fddef4bSbellard if (sig) 9661fddef4bSbellard { 9671fddef4bSbellard info.si_signo = sig; 9681fddef4bSbellard info.si_errno = 0; 9691fddef4bSbellard info.si_code = TARGET_TRAP_BRKPT; 970624f7979Spbrook queue_signal(env, info.si_signo, &info); 9711fddef4bSbellard } 9721fddef4bSbellard } 9731fddef4bSbellard break; 97493ac68bcSbellard default: 975060366c5Sbellard printf ("Unhandled trap: 0x%x\n", trapnr); 9767fe48483Sbellard cpu_dump_state(env, stderr, fprintf, 0); 97793ac68bcSbellard exit (1); 97893ac68bcSbellard } 97993ac68bcSbellard process_pending_signals (env); 98093ac68bcSbellard } 98193ac68bcSbellard } 98293ac68bcSbellard 98393ac68bcSbellard #endif 98493ac68bcSbellard 98567867308Sbellard #ifdef TARGET_PPC 9869fddaa0cSbellard static inline uint64_t cpu_ppc_get_tb (CPUState *env) 9879fddaa0cSbellard { 9889fddaa0cSbellard /* TO FIX */ 9899fddaa0cSbellard return 0; 9909fddaa0cSbellard } 9919fddaa0cSbellard 9929fddaa0cSbellard uint32_t cpu_ppc_load_tbl (CPUState *env) 9939fddaa0cSbellard { 9949fddaa0cSbellard return cpu_ppc_get_tb(env) & 0xFFFFFFFF; 9959fddaa0cSbellard } 9969fddaa0cSbellard 9979fddaa0cSbellard uint32_t cpu_ppc_load_tbu (CPUState *env) 9989fddaa0cSbellard { 9999fddaa0cSbellard return cpu_ppc_get_tb(env) >> 32; 10009fddaa0cSbellard } 10019fddaa0cSbellard 1002a062e36cSj_mayer uint32_t cpu_ppc_load_atbl (CPUState *env) 10039fddaa0cSbellard { 1004a062e36cSj_mayer return cpu_ppc_get_tb(env) & 0xFFFFFFFF; 10059fddaa0cSbellard } 10069fddaa0cSbellard 1007a062e36cSj_mayer uint32_t cpu_ppc_load_atbu (CPUState *env) 10089fddaa0cSbellard { 1009a062e36cSj_mayer return cpu_ppc_get_tb(env) >> 32; 10109fddaa0cSbellard } 10119fddaa0cSbellard 101276a66253Sj_mayer uint32_t cpu_ppc601_load_rtcu (CPUState *env) 101376a66253Sj_mayer __attribute__ (( alias ("cpu_ppc_load_tbu") )); 101476a66253Sj_mayer 101576a66253Sj_mayer uint32_t cpu_ppc601_load_rtcl (CPUState *env) 10169fddaa0cSbellard { 101776a66253Sj_mayer return cpu_ppc_load_tbl(env) & 0x3FFFFF80; 10189fddaa0cSbellard } 10199fddaa0cSbellard 1020a750fc0bSj_mayer /* XXX: to be fixed */ 1021a750fc0bSj_mayer int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp) 1022a750fc0bSj_mayer { 1023a750fc0bSj_mayer return -1; 1024a750fc0bSj_mayer } 1025a750fc0bSj_mayer 1026a750fc0bSj_mayer int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val) 1027a750fc0bSj_mayer { 1028a750fc0bSj_mayer return -1; 1029a750fc0bSj_mayer } 1030a750fc0bSj_mayer 1031e1833e1fSj_mayer #define EXCP_DUMP(env, fmt, args...) \ 1032e1833e1fSj_mayer do { \ 1033e1833e1fSj_mayer fprintf(stderr, fmt , ##args); \ 1034e1833e1fSj_mayer cpu_dump_state(env, stderr, fprintf, 0); \ 1035e1833e1fSj_mayer if (loglevel != 0) { \ 1036e1833e1fSj_mayer fprintf(logfile, fmt , ##args); \ 1037e1833e1fSj_mayer cpu_dump_state(env, logfile, fprintf, 0); \ 1038e1833e1fSj_mayer } \ 1039e1833e1fSj_mayer } while (0) 1040e1833e1fSj_mayer 104167867308Sbellard void cpu_loop(CPUPPCState *env) 104267867308Sbellard { 104367867308Sbellard target_siginfo_t info; 104461190b14Sbellard int trapnr; 104561190b14Sbellard uint32_t ret; 104667867308Sbellard 104767867308Sbellard for(;;) { 104867867308Sbellard trapnr = cpu_ppc_exec(env); 104967867308Sbellard switch(trapnr) { 1050e1833e1fSj_mayer case POWERPC_EXCP_NONE: 1051e1833e1fSj_mayer /* Just go on */ 105267867308Sbellard break; 1053e1833e1fSj_mayer case POWERPC_EXCP_CRITICAL: /* Critical input */ 1054e1833e1fSj_mayer cpu_abort(env, "Critical interrupt while in user mode. " 1055e1833e1fSj_mayer "Aborting\n"); 1056e1833e1fSj_mayer break; 1057e1833e1fSj_mayer case POWERPC_EXCP_MCHECK: /* Machine check exception */ 1058e1833e1fSj_mayer cpu_abort(env, "Machine check exception while in user mode. " 1059e1833e1fSj_mayer "Aborting\n"); 1060e1833e1fSj_mayer break; 1061e1833e1fSj_mayer case POWERPC_EXCP_DSI: /* Data storage exception */ 1062e1833e1fSj_mayer EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n", 1063e1833e1fSj_mayer env->spr[SPR_DAR]); 1064e1833e1fSj_mayer /* XXX: check this. Seems bugged */ 1065e1833e1fSj_mayer switch (env->error_code & 0xFF000000) { 1066e1833e1fSj_mayer case 0x40000000: 1067e1833e1fSj_mayer info.si_signo = TARGET_SIGSEGV; 1068e1833e1fSj_mayer info.si_errno = 0; 1069e1833e1fSj_mayer info.si_code = TARGET_SEGV_MAPERR; 1070e1833e1fSj_mayer break; 1071e1833e1fSj_mayer case 0x04000000: 1072e1833e1fSj_mayer info.si_signo = TARGET_SIGILL; 1073e1833e1fSj_mayer info.si_errno = 0; 1074e1833e1fSj_mayer info.si_code = TARGET_ILL_ILLADR; 1075e1833e1fSj_mayer break; 1076e1833e1fSj_mayer case 0x08000000: 1077e1833e1fSj_mayer info.si_signo = TARGET_SIGSEGV; 1078e1833e1fSj_mayer info.si_errno = 0; 1079e1833e1fSj_mayer info.si_code = TARGET_SEGV_ACCERR; 1080e1833e1fSj_mayer break; 1081e1833e1fSj_mayer default: 1082e1833e1fSj_mayer /* Let's send a regular segfault... */ 1083e1833e1fSj_mayer EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", 1084e1833e1fSj_mayer env->error_code); 1085e1833e1fSj_mayer info.si_signo = TARGET_SIGSEGV; 1086e1833e1fSj_mayer info.si_errno = 0; 1087e1833e1fSj_mayer info.si_code = TARGET_SEGV_MAPERR; 1088e1833e1fSj_mayer break; 1089e1833e1fSj_mayer } 1090e1833e1fSj_mayer info._sifields._sigfault._addr = env->nip; 1091624f7979Spbrook queue_signal(env, info.si_signo, &info); 1092e1833e1fSj_mayer break; 1093e1833e1fSj_mayer case POWERPC_EXCP_ISI: /* Instruction storage exception */ 1094e1833e1fSj_mayer EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n", 1095f10c315fSj_mayer env->spr[SPR_SRR0]); 1096e1833e1fSj_mayer /* XXX: check this */ 1097e1833e1fSj_mayer switch (env->error_code & 0xFF000000) { 1098e1833e1fSj_mayer case 0x40000000: 1099e1833e1fSj_mayer info.si_signo = TARGET_SIGSEGV; 1100e1833e1fSj_mayer info.si_errno = 0; 1101e1833e1fSj_mayer info.si_code = TARGET_SEGV_MAPERR; 1102e1833e1fSj_mayer break; 1103e1833e1fSj_mayer case 0x10000000: 1104e1833e1fSj_mayer case 0x08000000: 1105e1833e1fSj_mayer info.si_signo = TARGET_SIGSEGV; 1106e1833e1fSj_mayer info.si_errno = 0; 1107e1833e1fSj_mayer info.si_code = TARGET_SEGV_ACCERR; 1108e1833e1fSj_mayer break; 1109e1833e1fSj_mayer default: 1110e1833e1fSj_mayer /* Let's send a regular segfault... */ 1111e1833e1fSj_mayer EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", 1112e1833e1fSj_mayer env->error_code); 1113e1833e1fSj_mayer info.si_signo = TARGET_SIGSEGV; 1114e1833e1fSj_mayer info.si_errno = 0; 1115e1833e1fSj_mayer info.si_code = TARGET_SEGV_MAPERR; 1116e1833e1fSj_mayer break; 1117e1833e1fSj_mayer } 1118e1833e1fSj_mayer info._sifields._sigfault._addr = env->nip - 4; 1119624f7979Spbrook queue_signal(env, info.si_signo, &info); 1120e1833e1fSj_mayer break; 1121e1833e1fSj_mayer case POWERPC_EXCP_EXTERNAL: /* External input */ 1122e1833e1fSj_mayer cpu_abort(env, "External interrupt while in user mode. " 1123e1833e1fSj_mayer "Aborting\n"); 1124e1833e1fSj_mayer break; 1125e1833e1fSj_mayer case POWERPC_EXCP_ALIGN: /* Alignment exception */ 1126e1833e1fSj_mayer EXCP_DUMP(env, "Unaligned memory access\n"); 1127e1833e1fSj_mayer /* XXX: check this */ 1128e1833e1fSj_mayer info.si_signo = TARGET_SIGBUS; 1129e1833e1fSj_mayer info.si_errno = 0; 1130e1833e1fSj_mayer info.si_code = TARGET_BUS_ADRALN; 1131e1833e1fSj_mayer info._sifields._sigfault._addr = env->nip - 4; 1132624f7979Spbrook queue_signal(env, info.si_signo, &info); 1133e1833e1fSj_mayer break; 1134e1833e1fSj_mayer case POWERPC_EXCP_PROGRAM: /* Program exception */ 1135e1833e1fSj_mayer /* XXX: check this */ 1136e1833e1fSj_mayer switch (env->error_code & ~0xF) { 1137e1833e1fSj_mayer case POWERPC_EXCP_FP: 1138e1833e1fSj_mayer EXCP_DUMP(env, "Floating point program exception\n"); 1139e1833e1fSj_mayer info.si_signo = TARGET_SIGFPE; 1140e1833e1fSj_mayer info.si_errno = 0; 1141e1833e1fSj_mayer switch (env->error_code & 0xF) { 1142e1833e1fSj_mayer case POWERPC_EXCP_FP_OX: 1143e1833e1fSj_mayer info.si_code = TARGET_FPE_FLTOVF; 1144e1833e1fSj_mayer break; 1145e1833e1fSj_mayer case POWERPC_EXCP_FP_UX: 1146e1833e1fSj_mayer info.si_code = TARGET_FPE_FLTUND; 1147e1833e1fSj_mayer break; 1148e1833e1fSj_mayer case POWERPC_EXCP_FP_ZX: 1149e1833e1fSj_mayer case POWERPC_EXCP_FP_VXZDZ: 1150e1833e1fSj_mayer info.si_code = TARGET_FPE_FLTDIV; 1151e1833e1fSj_mayer break; 1152e1833e1fSj_mayer case POWERPC_EXCP_FP_XX: 1153e1833e1fSj_mayer info.si_code = TARGET_FPE_FLTRES; 1154e1833e1fSj_mayer break; 1155e1833e1fSj_mayer case POWERPC_EXCP_FP_VXSOFT: 1156e1833e1fSj_mayer info.si_code = TARGET_FPE_FLTINV; 1157e1833e1fSj_mayer break; 11587c58044cSj_mayer case POWERPC_EXCP_FP_VXSNAN: 1159e1833e1fSj_mayer case POWERPC_EXCP_FP_VXISI: 1160e1833e1fSj_mayer case POWERPC_EXCP_FP_VXIDI: 1161e1833e1fSj_mayer case POWERPC_EXCP_FP_VXIMZ: 1162e1833e1fSj_mayer case POWERPC_EXCP_FP_VXVC: 1163e1833e1fSj_mayer case POWERPC_EXCP_FP_VXSQRT: 1164e1833e1fSj_mayer case POWERPC_EXCP_FP_VXCVI: 1165e1833e1fSj_mayer info.si_code = TARGET_FPE_FLTSUB; 1166e1833e1fSj_mayer break; 1167e1833e1fSj_mayer default: 1168e1833e1fSj_mayer EXCP_DUMP(env, "Unknown floating point exception (%02x)\n", 1169e1833e1fSj_mayer env->error_code); 1170e1833e1fSj_mayer break; 1171e1833e1fSj_mayer } 1172e1833e1fSj_mayer break; 1173e1833e1fSj_mayer case POWERPC_EXCP_INVAL: 1174e1833e1fSj_mayer EXCP_DUMP(env, "Invalid instruction\n"); 1175e1833e1fSj_mayer info.si_signo = TARGET_SIGILL; 1176e1833e1fSj_mayer info.si_errno = 0; 1177e1833e1fSj_mayer switch (env->error_code & 0xF) { 1178e1833e1fSj_mayer case POWERPC_EXCP_INVAL_INVAL: 1179e1833e1fSj_mayer info.si_code = TARGET_ILL_ILLOPC; 1180e1833e1fSj_mayer break; 1181e1833e1fSj_mayer case POWERPC_EXCP_INVAL_LSWX: 1182e1833e1fSj_mayer info.si_code = TARGET_ILL_ILLOPN; 1183e1833e1fSj_mayer break; 1184e1833e1fSj_mayer case POWERPC_EXCP_INVAL_SPR: 1185e1833e1fSj_mayer info.si_code = TARGET_ILL_PRVREG; 1186e1833e1fSj_mayer break; 1187e1833e1fSj_mayer case POWERPC_EXCP_INVAL_FP: 1188e1833e1fSj_mayer info.si_code = TARGET_ILL_COPROC; 1189e1833e1fSj_mayer break; 1190e1833e1fSj_mayer default: 1191e1833e1fSj_mayer EXCP_DUMP(env, "Unknown invalid operation (%02x)\n", 1192e1833e1fSj_mayer env->error_code & 0xF); 1193e1833e1fSj_mayer info.si_code = TARGET_ILL_ILLADR; 1194e1833e1fSj_mayer break; 1195e1833e1fSj_mayer } 1196e1833e1fSj_mayer break; 1197e1833e1fSj_mayer case POWERPC_EXCP_PRIV: 1198e1833e1fSj_mayer EXCP_DUMP(env, "Privilege violation\n"); 1199e1833e1fSj_mayer info.si_signo = TARGET_SIGILL; 1200e1833e1fSj_mayer info.si_errno = 0; 1201e1833e1fSj_mayer switch (env->error_code & 0xF) { 1202e1833e1fSj_mayer case POWERPC_EXCP_PRIV_OPC: 1203e1833e1fSj_mayer info.si_code = TARGET_ILL_PRVOPC; 1204e1833e1fSj_mayer break; 1205e1833e1fSj_mayer case POWERPC_EXCP_PRIV_REG: 1206e1833e1fSj_mayer info.si_code = TARGET_ILL_PRVREG; 1207e1833e1fSj_mayer break; 1208e1833e1fSj_mayer default: 1209e1833e1fSj_mayer EXCP_DUMP(env, "Unknown privilege violation (%02x)\n", 1210e1833e1fSj_mayer env->error_code & 0xF); 1211e1833e1fSj_mayer info.si_code = TARGET_ILL_PRVOPC; 1212e1833e1fSj_mayer break; 1213e1833e1fSj_mayer } 1214e1833e1fSj_mayer break; 1215e1833e1fSj_mayer case POWERPC_EXCP_TRAP: 1216e1833e1fSj_mayer cpu_abort(env, "Tried to call a TRAP\n"); 1217e1833e1fSj_mayer break; 1218e1833e1fSj_mayer default: 1219e1833e1fSj_mayer /* Should not happen ! */ 1220e1833e1fSj_mayer cpu_abort(env, "Unknown program exception (%02x)\n", 1221e1833e1fSj_mayer env->error_code); 1222e1833e1fSj_mayer break; 1223e1833e1fSj_mayer } 1224e1833e1fSj_mayer info._sifields._sigfault._addr = env->nip - 4; 1225624f7979Spbrook queue_signal(env, info.si_signo, &info); 1226e1833e1fSj_mayer break; 1227e1833e1fSj_mayer case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ 1228e1833e1fSj_mayer EXCP_DUMP(env, "No floating point allowed\n"); 1229e1833e1fSj_mayer info.si_signo = TARGET_SIGILL; 1230e1833e1fSj_mayer info.si_errno = 0; 1231e1833e1fSj_mayer info.si_code = TARGET_ILL_COPROC; 1232e1833e1fSj_mayer info._sifields._sigfault._addr = env->nip - 4; 1233624f7979Spbrook queue_signal(env, info.si_signo, &info); 1234e1833e1fSj_mayer break; 1235e1833e1fSj_mayer case POWERPC_EXCP_SYSCALL: /* System call exception */ 1236e1833e1fSj_mayer cpu_abort(env, "Syscall exception while in user mode. " 1237e1833e1fSj_mayer "Aborting\n"); 1238e1833e1fSj_mayer break; 1239e1833e1fSj_mayer case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ 1240e1833e1fSj_mayer EXCP_DUMP(env, "No APU instruction allowed\n"); 1241e1833e1fSj_mayer info.si_signo = TARGET_SIGILL; 1242e1833e1fSj_mayer info.si_errno = 0; 1243e1833e1fSj_mayer info.si_code = TARGET_ILL_COPROC; 1244e1833e1fSj_mayer info._sifields._sigfault._addr = env->nip - 4; 1245624f7979Spbrook queue_signal(env, info.si_signo, &info); 1246e1833e1fSj_mayer break; 1247e1833e1fSj_mayer case POWERPC_EXCP_DECR: /* Decrementer exception */ 1248e1833e1fSj_mayer cpu_abort(env, "Decrementer interrupt while in user mode. " 1249e1833e1fSj_mayer "Aborting\n"); 1250e1833e1fSj_mayer break; 1251e1833e1fSj_mayer case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ 1252e1833e1fSj_mayer cpu_abort(env, "Fix interval timer interrupt while in user mode. " 1253e1833e1fSj_mayer "Aborting\n"); 1254e1833e1fSj_mayer break; 1255e1833e1fSj_mayer case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ 1256e1833e1fSj_mayer cpu_abort(env, "Watchdog timer interrupt while in user mode. " 1257e1833e1fSj_mayer "Aborting\n"); 1258e1833e1fSj_mayer break; 1259e1833e1fSj_mayer case POWERPC_EXCP_DTLB: /* Data TLB error */ 1260e1833e1fSj_mayer cpu_abort(env, "Data TLB exception while in user mode. " 1261e1833e1fSj_mayer "Aborting\n"); 1262e1833e1fSj_mayer break; 1263e1833e1fSj_mayer case POWERPC_EXCP_ITLB: /* Instruction TLB error */ 1264e1833e1fSj_mayer cpu_abort(env, "Instruction TLB exception while in user mode. " 1265e1833e1fSj_mayer "Aborting\n"); 1266e1833e1fSj_mayer break; 1267e1833e1fSj_mayer case POWERPC_EXCP_DEBUG: /* Debug interrupt */ 1268e1833e1fSj_mayer /* XXX: check this */ 1269e1833e1fSj_mayer { 1270e1833e1fSj_mayer int sig; 1271e1833e1fSj_mayer 1272e1833e1fSj_mayer sig = gdb_handlesig(env, TARGET_SIGTRAP); 1273e1833e1fSj_mayer if (sig) { 1274e1833e1fSj_mayer info.si_signo = sig; 1275e1833e1fSj_mayer info.si_errno = 0; 1276e1833e1fSj_mayer info.si_code = TARGET_TRAP_BRKPT; 1277624f7979Spbrook queue_signal(env, info.si_signo, &info); 1278e1833e1fSj_mayer } 1279e1833e1fSj_mayer } 1280e1833e1fSj_mayer break; 1281e1833e1fSj_mayer case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */ 1282e1833e1fSj_mayer EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n"); 1283e1833e1fSj_mayer info.si_signo = TARGET_SIGILL; 1284e1833e1fSj_mayer info.si_errno = 0; 1285e1833e1fSj_mayer info.si_code = TARGET_ILL_COPROC; 1286e1833e1fSj_mayer info._sifields._sigfault._addr = env->nip - 4; 1287624f7979Spbrook queue_signal(env, info.si_signo, &info); 1288e1833e1fSj_mayer break; 1289e1833e1fSj_mayer case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */ 1290e1833e1fSj_mayer cpu_abort(env, "Embedded floating-point data IRQ not handled\n"); 1291e1833e1fSj_mayer break; 1292e1833e1fSj_mayer case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */ 1293e1833e1fSj_mayer cpu_abort(env, "Embedded floating-point round IRQ not handled\n"); 1294e1833e1fSj_mayer break; 1295e1833e1fSj_mayer case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */ 1296e1833e1fSj_mayer cpu_abort(env, "Performance monitor exception not handled\n"); 1297e1833e1fSj_mayer break; 1298e1833e1fSj_mayer case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ 1299e1833e1fSj_mayer cpu_abort(env, "Doorbell interrupt while in user mode. " 1300e1833e1fSj_mayer "Aborting\n"); 1301e1833e1fSj_mayer break; 1302e1833e1fSj_mayer case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ 1303e1833e1fSj_mayer cpu_abort(env, "Doorbell critical interrupt while in user mode. " 1304e1833e1fSj_mayer "Aborting\n"); 1305e1833e1fSj_mayer break; 1306e1833e1fSj_mayer case POWERPC_EXCP_RESET: /* System reset exception */ 1307e1833e1fSj_mayer cpu_abort(env, "Reset interrupt while in user mode. " 1308e1833e1fSj_mayer "Aborting\n"); 1309e1833e1fSj_mayer break; 1310e1833e1fSj_mayer case POWERPC_EXCP_DSEG: /* Data segment exception */ 1311e1833e1fSj_mayer cpu_abort(env, "Data segment exception while in user mode. " 1312e1833e1fSj_mayer "Aborting\n"); 1313e1833e1fSj_mayer break; 1314e1833e1fSj_mayer case POWERPC_EXCP_ISEG: /* Instruction segment exception */ 1315e1833e1fSj_mayer cpu_abort(env, "Instruction segment exception " 1316e1833e1fSj_mayer "while in user mode. Aborting\n"); 1317e1833e1fSj_mayer break; 1318e85e7c6eSj_mayer /* PowerPC 64 with hypervisor mode support */ 1319e1833e1fSj_mayer case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ 1320e1833e1fSj_mayer cpu_abort(env, "Hypervisor decrementer interrupt " 1321e1833e1fSj_mayer "while in user mode. Aborting\n"); 1322e1833e1fSj_mayer break; 1323e1833e1fSj_mayer case POWERPC_EXCP_TRACE: /* Trace exception */ 1324e1833e1fSj_mayer /* Nothing to do: 1325e1833e1fSj_mayer * we use this exception to emulate step-by-step execution mode. 1326e1833e1fSj_mayer */ 1327e1833e1fSj_mayer break; 1328e85e7c6eSj_mayer /* PowerPC 64 with hypervisor mode support */ 1329e1833e1fSj_mayer case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ 1330e1833e1fSj_mayer cpu_abort(env, "Hypervisor data storage exception " 1331e1833e1fSj_mayer "while in user mode. Aborting\n"); 1332e1833e1fSj_mayer break; 1333e1833e1fSj_mayer case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */ 1334e1833e1fSj_mayer cpu_abort(env, "Hypervisor instruction storage exception " 1335e1833e1fSj_mayer "while in user mode. Aborting\n"); 1336e1833e1fSj_mayer break; 1337e1833e1fSj_mayer case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ 1338e1833e1fSj_mayer cpu_abort(env, "Hypervisor data segment exception " 1339e1833e1fSj_mayer "while in user mode. Aborting\n"); 1340e1833e1fSj_mayer break; 1341e1833e1fSj_mayer case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */ 1342e1833e1fSj_mayer cpu_abort(env, "Hypervisor instruction segment exception " 1343e1833e1fSj_mayer "while in user mode. Aborting\n"); 1344e1833e1fSj_mayer break; 1345e1833e1fSj_mayer case POWERPC_EXCP_VPU: /* Vector unavailable exception */ 1346e1833e1fSj_mayer EXCP_DUMP(env, "No Altivec instructions allowed\n"); 1347e1833e1fSj_mayer info.si_signo = TARGET_SIGILL; 1348e1833e1fSj_mayer info.si_errno = 0; 1349e1833e1fSj_mayer info.si_code = TARGET_ILL_COPROC; 1350e1833e1fSj_mayer info._sifields._sigfault._addr = env->nip - 4; 1351624f7979Spbrook queue_signal(env, info.si_signo, &info); 1352e1833e1fSj_mayer break; 1353e1833e1fSj_mayer case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */ 1354e1833e1fSj_mayer cpu_abort(env, "Programable interval timer interrupt " 1355e1833e1fSj_mayer "while in user mode. Aborting\n"); 1356e1833e1fSj_mayer break; 1357e1833e1fSj_mayer case POWERPC_EXCP_IO: /* IO error exception */ 1358e1833e1fSj_mayer cpu_abort(env, "IO error exception while in user mode. " 1359e1833e1fSj_mayer "Aborting\n"); 1360e1833e1fSj_mayer break; 1361e1833e1fSj_mayer case POWERPC_EXCP_RUNM: /* Run mode exception */ 1362e1833e1fSj_mayer cpu_abort(env, "Run mode exception while in user mode. " 1363e1833e1fSj_mayer "Aborting\n"); 1364e1833e1fSj_mayer break; 1365e1833e1fSj_mayer case POWERPC_EXCP_EMUL: /* Emulation trap exception */ 1366e1833e1fSj_mayer cpu_abort(env, "Emulation trap exception not handled\n"); 1367e1833e1fSj_mayer break; 1368e1833e1fSj_mayer case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ 1369e1833e1fSj_mayer cpu_abort(env, "Instruction fetch TLB exception " 1370e1833e1fSj_mayer "while in user-mode. Aborting"); 1371e1833e1fSj_mayer break; 1372e1833e1fSj_mayer case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ 1373e1833e1fSj_mayer cpu_abort(env, "Data load TLB exception while in user-mode. " 1374e1833e1fSj_mayer "Aborting"); 1375e1833e1fSj_mayer break; 1376e1833e1fSj_mayer case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ 1377e1833e1fSj_mayer cpu_abort(env, "Data store TLB exception while in user-mode. " 1378e1833e1fSj_mayer "Aborting"); 1379e1833e1fSj_mayer break; 1380e1833e1fSj_mayer case POWERPC_EXCP_FPA: /* Floating-point assist exception */ 1381e1833e1fSj_mayer cpu_abort(env, "Floating-point assist exception not handled\n"); 1382e1833e1fSj_mayer break; 1383e1833e1fSj_mayer case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ 1384e1833e1fSj_mayer cpu_abort(env, "Instruction address breakpoint exception " 1385e1833e1fSj_mayer "not handled\n"); 1386e1833e1fSj_mayer break; 1387e1833e1fSj_mayer case POWERPC_EXCP_SMI: /* System management interrupt */ 1388e1833e1fSj_mayer cpu_abort(env, "System management interrupt while in user mode. " 1389e1833e1fSj_mayer "Aborting\n"); 1390e1833e1fSj_mayer break; 1391e1833e1fSj_mayer case POWERPC_EXCP_THERM: /* Thermal interrupt */ 1392e1833e1fSj_mayer cpu_abort(env, "Thermal interrupt interrupt while in user mode. " 1393e1833e1fSj_mayer "Aborting\n"); 1394e1833e1fSj_mayer break; 1395e1833e1fSj_mayer case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */ 1396e1833e1fSj_mayer cpu_abort(env, "Performance monitor exception not handled\n"); 1397e1833e1fSj_mayer break; 1398e1833e1fSj_mayer case POWERPC_EXCP_VPUA: /* Vector assist exception */ 1399e1833e1fSj_mayer cpu_abort(env, "Vector assist exception not handled\n"); 1400e1833e1fSj_mayer break; 1401e1833e1fSj_mayer case POWERPC_EXCP_SOFTP: /* Soft patch exception */ 1402e1833e1fSj_mayer cpu_abort(env, "Soft patch exception not handled\n"); 1403e1833e1fSj_mayer break; 1404e1833e1fSj_mayer case POWERPC_EXCP_MAINT: /* Maintenance exception */ 1405e1833e1fSj_mayer cpu_abort(env, "Maintenance exception while in user mode. " 1406e1833e1fSj_mayer "Aborting\n"); 1407e1833e1fSj_mayer break; 1408e1833e1fSj_mayer case POWERPC_EXCP_STOP: /* stop translation */ 1409e1833e1fSj_mayer /* We did invalidate the instruction cache. Go on */ 1410e1833e1fSj_mayer break; 1411e1833e1fSj_mayer case POWERPC_EXCP_BRANCH: /* branch instruction: */ 1412e1833e1fSj_mayer /* We just stopped because of a branch. Go on */ 1413e1833e1fSj_mayer break; 1414e1833e1fSj_mayer case POWERPC_EXCP_SYSCALL_USER: 1415e1833e1fSj_mayer /* system call in user-mode emulation */ 141667867308Sbellard /* WARNING: 141767867308Sbellard * PPC ABI uses overflow flag in cr0 to signal an error 141867867308Sbellard * in syscalls. 141967867308Sbellard */ 142061190b14Sbellard #if 0 142161190b14Sbellard printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0], 142261190b14Sbellard env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]); 142361190b14Sbellard #endif 142467867308Sbellard env->crf[0] &= ~0x1; 142567867308Sbellard ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], 142667867308Sbellard env->gpr[5], env->gpr[6], env->gpr[7], 142767867308Sbellard env->gpr[8]); 142867867308Sbellard if (ret > (uint32_t)(-515)) { 142967867308Sbellard env->crf[0] |= 0x1; 143067867308Sbellard ret = -ret; 143167867308Sbellard } 143267867308Sbellard env->gpr[3] = ret; 143361190b14Sbellard #if 0 143461190b14Sbellard printf("syscall returned 0x%08x (%d)\n", ret, ret); 143561190b14Sbellard #endif 143661190b14Sbellard break; 143756ba31ffSj_mayer case EXCP_INTERRUPT: 143856ba31ffSj_mayer /* just indicate that signals should be handled asap */ 143956ba31ffSj_mayer break; 144061190b14Sbellard default: 1441e1833e1fSj_mayer cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr); 144267867308Sbellard break; 144367867308Sbellard } 144467867308Sbellard process_pending_signals(env); 144567867308Sbellard } 144667867308Sbellard } 144767867308Sbellard #endif 144867867308Sbellard 1449048f6b4dSbellard #ifdef TARGET_MIPS 1450048f6b4dSbellard 1451048f6b4dSbellard #define MIPS_SYS(name, args) args, 1452048f6b4dSbellard 1453048f6b4dSbellard static const uint8_t mips_syscall_args[] = { 1454048f6b4dSbellard MIPS_SYS(sys_syscall , 0) /* 4000 */ 1455048f6b4dSbellard MIPS_SYS(sys_exit , 1) 1456048f6b4dSbellard MIPS_SYS(sys_fork , 0) 1457048f6b4dSbellard MIPS_SYS(sys_read , 3) 1458048f6b4dSbellard MIPS_SYS(sys_write , 3) 1459048f6b4dSbellard MIPS_SYS(sys_open , 3) /* 4005 */ 1460048f6b4dSbellard MIPS_SYS(sys_close , 1) 1461048f6b4dSbellard MIPS_SYS(sys_waitpid , 3) 1462048f6b4dSbellard MIPS_SYS(sys_creat , 2) 1463048f6b4dSbellard MIPS_SYS(sys_link , 2) 1464048f6b4dSbellard MIPS_SYS(sys_unlink , 1) /* 4010 */ 1465048f6b4dSbellard MIPS_SYS(sys_execve , 0) 1466048f6b4dSbellard MIPS_SYS(sys_chdir , 1) 1467048f6b4dSbellard MIPS_SYS(sys_time , 1) 1468048f6b4dSbellard MIPS_SYS(sys_mknod , 3) 1469048f6b4dSbellard MIPS_SYS(sys_chmod , 2) /* 4015 */ 1470048f6b4dSbellard MIPS_SYS(sys_lchown , 3) 1471048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1472048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ 1473048f6b4dSbellard MIPS_SYS(sys_lseek , 3) 1474048f6b4dSbellard MIPS_SYS(sys_getpid , 0) /* 4020 */ 1475048f6b4dSbellard MIPS_SYS(sys_mount , 5) 1476048f6b4dSbellard MIPS_SYS(sys_oldumount , 1) 1477048f6b4dSbellard MIPS_SYS(sys_setuid , 1) 1478048f6b4dSbellard MIPS_SYS(sys_getuid , 0) 1479048f6b4dSbellard MIPS_SYS(sys_stime , 1) /* 4025 */ 1480048f6b4dSbellard MIPS_SYS(sys_ptrace , 4) 1481048f6b4dSbellard MIPS_SYS(sys_alarm , 1) 1482048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ 1483048f6b4dSbellard MIPS_SYS(sys_pause , 0) 1484048f6b4dSbellard MIPS_SYS(sys_utime , 2) /* 4030 */ 1485048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1486048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1487048f6b4dSbellard MIPS_SYS(sys_access , 2) 1488048f6b4dSbellard MIPS_SYS(sys_nice , 1) 1489048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ 1490048f6b4dSbellard MIPS_SYS(sys_sync , 0) 1491048f6b4dSbellard MIPS_SYS(sys_kill , 2) 1492048f6b4dSbellard MIPS_SYS(sys_rename , 2) 1493048f6b4dSbellard MIPS_SYS(sys_mkdir , 2) 1494048f6b4dSbellard MIPS_SYS(sys_rmdir , 1) /* 4040 */ 1495048f6b4dSbellard MIPS_SYS(sys_dup , 1) 1496048f6b4dSbellard MIPS_SYS(sys_pipe , 0) 1497048f6b4dSbellard MIPS_SYS(sys_times , 1) 1498048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1499048f6b4dSbellard MIPS_SYS(sys_brk , 1) /* 4045 */ 1500048f6b4dSbellard MIPS_SYS(sys_setgid , 1) 1501048f6b4dSbellard MIPS_SYS(sys_getgid , 0) 1502048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ 1503048f6b4dSbellard MIPS_SYS(sys_geteuid , 0) 1504048f6b4dSbellard MIPS_SYS(sys_getegid , 0) /* 4050 */ 1505048f6b4dSbellard MIPS_SYS(sys_acct , 0) 1506048f6b4dSbellard MIPS_SYS(sys_umount , 2) 1507048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1508048f6b4dSbellard MIPS_SYS(sys_ioctl , 3) 1509048f6b4dSbellard MIPS_SYS(sys_fcntl , 3) /* 4055 */ 1510048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 2) 1511048f6b4dSbellard MIPS_SYS(sys_setpgid , 2) 1512048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1513048f6b4dSbellard MIPS_SYS(sys_olduname , 1) 1514048f6b4dSbellard MIPS_SYS(sys_umask , 1) /* 4060 */ 1515048f6b4dSbellard MIPS_SYS(sys_chroot , 1) 1516048f6b4dSbellard MIPS_SYS(sys_ustat , 2) 1517048f6b4dSbellard MIPS_SYS(sys_dup2 , 2) 1518048f6b4dSbellard MIPS_SYS(sys_getppid , 0) 1519048f6b4dSbellard MIPS_SYS(sys_getpgrp , 0) /* 4065 */ 1520048f6b4dSbellard MIPS_SYS(sys_setsid , 0) 1521048f6b4dSbellard MIPS_SYS(sys_sigaction , 3) 1522048f6b4dSbellard MIPS_SYS(sys_sgetmask , 0) 1523048f6b4dSbellard MIPS_SYS(sys_ssetmask , 1) 1524048f6b4dSbellard MIPS_SYS(sys_setreuid , 2) /* 4070 */ 1525048f6b4dSbellard MIPS_SYS(sys_setregid , 2) 1526048f6b4dSbellard MIPS_SYS(sys_sigsuspend , 0) 1527048f6b4dSbellard MIPS_SYS(sys_sigpending , 1) 1528048f6b4dSbellard MIPS_SYS(sys_sethostname , 2) 1529048f6b4dSbellard MIPS_SYS(sys_setrlimit , 2) /* 4075 */ 1530048f6b4dSbellard MIPS_SYS(sys_getrlimit , 2) 1531048f6b4dSbellard MIPS_SYS(sys_getrusage , 2) 1532048f6b4dSbellard MIPS_SYS(sys_gettimeofday, 2) 1533048f6b4dSbellard MIPS_SYS(sys_settimeofday, 2) 1534048f6b4dSbellard MIPS_SYS(sys_getgroups , 2) /* 4080 */ 1535048f6b4dSbellard MIPS_SYS(sys_setgroups , 2) 1536048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* old_select */ 1537048f6b4dSbellard MIPS_SYS(sys_symlink , 2) 1538048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ 1539048f6b4dSbellard MIPS_SYS(sys_readlink , 3) /* 4085 */ 1540048f6b4dSbellard MIPS_SYS(sys_uselib , 1) 1541048f6b4dSbellard MIPS_SYS(sys_swapon , 2) 1542048f6b4dSbellard MIPS_SYS(sys_reboot , 3) 1543048f6b4dSbellard MIPS_SYS(old_readdir , 3) 1544048f6b4dSbellard MIPS_SYS(old_mmap , 6) /* 4090 */ 1545048f6b4dSbellard MIPS_SYS(sys_munmap , 2) 1546048f6b4dSbellard MIPS_SYS(sys_truncate , 2) 1547048f6b4dSbellard MIPS_SYS(sys_ftruncate , 2) 1548048f6b4dSbellard MIPS_SYS(sys_fchmod , 2) 1549048f6b4dSbellard MIPS_SYS(sys_fchown , 3) /* 4095 */ 1550048f6b4dSbellard MIPS_SYS(sys_getpriority , 2) 1551048f6b4dSbellard MIPS_SYS(sys_setpriority , 3) 1552048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1553048f6b4dSbellard MIPS_SYS(sys_statfs , 2) 1554048f6b4dSbellard MIPS_SYS(sys_fstatfs , 2) /* 4100 */ 1555048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ 1556048f6b4dSbellard MIPS_SYS(sys_socketcall , 2) 1557048f6b4dSbellard MIPS_SYS(sys_syslog , 3) 1558048f6b4dSbellard MIPS_SYS(sys_setitimer , 3) 1559048f6b4dSbellard MIPS_SYS(sys_getitimer , 2) /* 4105 */ 1560048f6b4dSbellard MIPS_SYS(sys_newstat , 2) 1561048f6b4dSbellard MIPS_SYS(sys_newlstat , 2) 1562048f6b4dSbellard MIPS_SYS(sys_newfstat , 2) 1563048f6b4dSbellard MIPS_SYS(sys_uname , 1) 1564048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ 1565048f6b4dSbellard MIPS_SYS(sys_vhangup , 0) 1566048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ 1567048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ 1568048f6b4dSbellard MIPS_SYS(sys_wait4 , 4) 1569048f6b4dSbellard MIPS_SYS(sys_swapoff , 1) /* 4115 */ 1570048f6b4dSbellard MIPS_SYS(sys_sysinfo , 1) 1571048f6b4dSbellard MIPS_SYS(sys_ipc , 6) 1572048f6b4dSbellard MIPS_SYS(sys_fsync , 1) 1573048f6b4dSbellard MIPS_SYS(sys_sigreturn , 0) 1574048f6b4dSbellard MIPS_SYS(sys_clone , 0) /* 4120 */ 1575048f6b4dSbellard MIPS_SYS(sys_setdomainname, 2) 1576048f6b4dSbellard MIPS_SYS(sys_newuname , 1) 1577048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ 1578048f6b4dSbellard MIPS_SYS(sys_adjtimex , 1) 1579048f6b4dSbellard MIPS_SYS(sys_mprotect , 3) /* 4125 */ 1580048f6b4dSbellard MIPS_SYS(sys_sigprocmask , 3) 1581048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ 1582048f6b4dSbellard MIPS_SYS(sys_init_module , 5) 1583048f6b4dSbellard MIPS_SYS(sys_delete_module, 1) 1584048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ 1585048f6b4dSbellard MIPS_SYS(sys_quotactl , 0) 1586048f6b4dSbellard MIPS_SYS(sys_getpgid , 1) 1587048f6b4dSbellard MIPS_SYS(sys_fchdir , 1) 1588048f6b4dSbellard MIPS_SYS(sys_bdflush , 2) 1589048f6b4dSbellard MIPS_SYS(sys_sysfs , 3) /* 4135 */ 1590048f6b4dSbellard MIPS_SYS(sys_personality , 1) 1591048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ 1592048f6b4dSbellard MIPS_SYS(sys_setfsuid , 1) 1593048f6b4dSbellard MIPS_SYS(sys_setfsgid , 1) 1594048f6b4dSbellard MIPS_SYS(sys_llseek , 5) /* 4140 */ 1595048f6b4dSbellard MIPS_SYS(sys_getdents , 3) 1596048f6b4dSbellard MIPS_SYS(sys_select , 5) 1597048f6b4dSbellard MIPS_SYS(sys_flock , 2) 1598048f6b4dSbellard MIPS_SYS(sys_msync , 3) 1599048f6b4dSbellard MIPS_SYS(sys_readv , 3) /* 4145 */ 1600048f6b4dSbellard MIPS_SYS(sys_writev , 3) 1601048f6b4dSbellard MIPS_SYS(sys_cacheflush , 3) 1602048f6b4dSbellard MIPS_SYS(sys_cachectl , 3) 1603048f6b4dSbellard MIPS_SYS(sys_sysmips , 4) 1604048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ 1605048f6b4dSbellard MIPS_SYS(sys_getsid , 1) 1606048f6b4dSbellard MIPS_SYS(sys_fdatasync , 0) 1607048f6b4dSbellard MIPS_SYS(sys_sysctl , 1) 1608048f6b4dSbellard MIPS_SYS(sys_mlock , 2) 1609048f6b4dSbellard MIPS_SYS(sys_munlock , 2) /* 4155 */ 1610048f6b4dSbellard MIPS_SYS(sys_mlockall , 1) 1611048f6b4dSbellard MIPS_SYS(sys_munlockall , 0) 1612048f6b4dSbellard MIPS_SYS(sys_sched_setparam, 2) 1613048f6b4dSbellard MIPS_SYS(sys_sched_getparam, 2) 1614048f6b4dSbellard MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ 1615048f6b4dSbellard MIPS_SYS(sys_sched_getscheduler, 1) 1616048f6b4dSbellard MIPS_SYS(sys_sched_yield , 0) 1617048f6b4dSbellard MIPS_SYS(sys_sched_get_priority_max, 1) 1618048f6b4dSbellard MIPS_SYS(sys_sched_get_priority_min, 1) 1619048f6b4dSbellard MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ 1620048f6b4dSbellard MIPS_SYS(sys_nanosleep, 2) 1621048f6b4dSbellard MIPS_SYS(sys_mremap , 4) 1622048f6b4dSbellard MIPS_SYS(sys_accept , 3) 1623048f6b4dSbellard MIPS_SYS(sys_bind , 3) 1624048f6b4dSbellard MIPS_SYS(sys_connect , 3) /* 4170 */ 1625048f6b4dSbellard MIPS_SYS(sys_getpeername , 3) 1626048f6b4dSbellard MIPS_SYS(sys_getsockname , 3) 1627048f6b4dSbellard MIPS_SYS(sys_getsockopt , 5) 1628048f6b4dSbellard MIPS_SYS(sys_listen , 2) 1629048f6b4dSbellard MIPS_SYS(sys_recv , 4) /* 4175 */ 1630048f6b4dSbellard MIPS_SYS(sys_recvfrom , 6) 1631048f6b4dSbellard MIPS_SYS(sys_recvmsg , 3) 1632048f6b4dSbellard MIPS_SYS(sys_send , 4) 1633048f6b4dSbellard MIPS_SYS(sys_sendmsg , 3) 1634048f6b4dSbellard MIPS_SYS(sys_sendto , 6) /* 4180 */ 1635048f6b4dSbellard MIPS_SYS(sys_setsockopt , 5) 1636048f6b4dSbellard MIPS_SYS(sys_shutdown , 2) 1637048f6b4dSbellard MIPS_SYS(sys_socket , 3) 1638048f6b4dSbellard MIPS_SYS(sys_socketpair , 4) 1639048f6b4dSbellard MIPS_SYS(sys_setresuid , 3) /* 4185 */ 1640048f6b4dSbellard MIPS_SYS(sys_getresuid , 3) 1641048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ 1642048f6b4dSbellard MIPS_SYS(sys_poll , 3) 1643048f6b4dSbellard MIPS_SYS(sys_nfsservctl , 3) 1644048f6b4dSbellard MIPS_SYS(sys_setresgid , 3) /* 4190 */ 1645048f6b4dSbellard MIPS_SYS(sys_getresgid , 3) 1646048f6b4dSbellard MIPS_SYS(sys_prctl , 5) 1647048f6b4dSbellard MIPS_SYS(sys_rt_sigreturn, 0) 1648048f6b4dSbellard MIPS_SYS(sys_rt_sigaction, 4) 1649048f6b4dSbellard MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ 1650048f6b4dSbellard MIPS_SYS(sys_rt_sigpending, 2) 1651048f6b4dSbellard MIPS_SYS(sys_rt_sigtimedwait, 4) 1652048f6b4dSbellard MIPS_SYS(sys_rt_sigqueueinfo, 3) 1653048f6b4dSbellard MIPS_SYS(sys_rt_sigsuspend, 0) 1654048f6b4dSbellard MIPS_SYS(sys_pread64 , 6) /* 4200 */ 1655048f6b4dSbellard MIPS_SYS(sys_pwrite64 , 6) 1656048f6b4dSbellard MIPS_SYS(sys_chown , 3) 1657048f6b4dSbellard MIPS_SYS(sys_getcwd , 2) 1658048f6b4dSbellard MIPS_SYS(sys_capget , 2) 1659048f6b4dSbellard MIPS_SYS(sys_capset , 2) /* 4205 */ 1660048f6b4dSbellard MIPS_SYS(sys_sigaltstack , 0) 1661048f6b4dSbellard MIPS_SYS(sys_sendfile , 4) 1662048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1663048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1664048f6b4dSbellard MIPS_SYS(sys_mmap2 , 6) /* 4210 */ 1665048f6b4dSbellard MIPS_SYS(sys_truncate64 , 4) 1666048f6b4dSbellard MIPS_SYS(sys_ftruncate64 , 4) 1667048f6b4dSbellard MIPS_SYS(sys_stat64 , 2) 1668048f6b4dSbellard MIPS_SYS(sys_lstat64 , 2) 1669048f6b4dSbellard MIPS_SYS(sys_fstat64 , 2) /* 4215 */ 1670048f6b4dSbellard MIPS_SYS(sys_pivot_root , 2) 1671048f6b4dSbellard MIPS_SYS(sys_mincore , 3) 1672048f6b4dSbellard MIPS_SYS(sys_madvise , 3) 1673048f6b4dSbellard MIPS_SYS(sys_getdents64 , 3) 1674048f6b4dSbellard MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ 1675048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1676048f6b4dSbellard MIPS_SYS(sys_gettid , 0) 1677048f6b4dSbellard MIPS_SYS(sys_readahead , 5) 1678048f6b4dSbellard MIPS_SYS(sys_setxattr , 5) 1679048f6b4dSbellard MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ 1680048f6b4dSbellard MIPS_SYS(sys_fsetxattr , 5) 1681048f6b4dSbellard MIPS_SYS(sys_getxattr , 4) 1682048f6b4dSbellard MIPS_SYS(sys_lgetxattr , 4) 1683048f6b4dSbellard MIPS_SYS(sys_fgetxattr , 4) 1684048f6b4dSbellard MIPS_SYS(sys_listxattr , 3) /* 4230 */ 1685048f6b4dSbellard MIPS_SYS(sys_llistxattr , 3) 1686048f6b4dSbellard MIPS_SYS(sys_flistxattr , 3) 1687048f6b4dSbellard MIPS_SYS(sys_removexattr , 2) 1688048f6b4dSbellard MIPS_SYS(sys_lremovexattr, 2) 1689048f6b4dSbellard MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ 1690048f6b4dSbellard MIPS_SYS(sys_tkill , 2) 1691048f6b4dSbellard MIPS_SYS(sys_sendfile64 , 5) 1692048f6b4dSbellard MIPS_SYS(sys_futex , 2) 1693048f6b4dSbellard MIPS_SYS(sys_sched_setaffinity, 3) 1694048f6b4dSbellard MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ 1695048f6b4dSbellard MIPS_SYS(sys_io_setup , 2) 1696048f6b4dSbellard MIPS_SYS(sys_io_destroy , 1) 1697048f6b4dSbellard MIPS_SYS(sys_io_getevents, 5) 1698048f6b4dSbellard MIPS_SYS(sys_io_submit , 3) 1699048f6b4dSbellard MIPS_SYS(sys_io_cancel , 3) /* 4245 */ 1700048f6b4dSbellard MIPS_SYS(sys_exit_group , 1) 1701048f6b4dSbellard MIPS_SYS(sys_lookup_dcookie, 3) 1702048f6b4dSbellard MIPS_SYS(sys_epoll_create, 1) 1703048f6b4dSbellard MIPS_SYS(sys_epoll_ctl , 4) 1704048f6b4dSbellard MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ 1705048f6b4dSbellard MIPS_SYS(sys_remap_file_pages, 5) 1706048f6b4dSbellard MIPS_SYS(sys_set_tid_address, 1) 1707048f6b4dSbellard MIPS_SYS(sys_restart_syscall, 0) 1708048f6b4dSbellard MIPS_SYS(sys_fadvise64_64, 7) 1709048f6b4dSbellard MIPS_SYS(sys_statfs64 , 3) /* 4255 */ 1710048f6b4dSbellard MIPS_SYS(sys_fstatfs64 , 2) 1711048f6b4dSbellard MIPS_SYS(sys_timer_create, 3) 1712048f6b4dSbellard MIPS_SYS(sys_timer_settime, 4) 1713048f6b4dSbellard MIPS_SYS(sys_timer_gettime, 2) 1714048f6b4dSbellard MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ 1715048f6b4dSbellard MIPS_SYS(sys_timer_delete, 1) 1716048f6b4dSbellard MIPS_SYS(sys_clock_settime, 2) 1717048f6b4dSbellard MIPS_SYS(sys_clock_gettime, 2) 1718048f6b4dSbellard MIPS_SYS(sys_clock_getres, 2) 1719048f6b4dSbellard MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ 1720048f6b4dSbellard MIPS_SYS(sys_tgkill , 3) 1721048f6b4dSbellard MIPS_SYS(sys_utimes , 2) 1722048f6b4dSbellard MIPS_SYS(sys_mbind , 4) 1723048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ 1724048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ 1725048f6b4dSbellard MIPS_SYS(sys_mq_open , 4) 1726048f6b4dSbellard MIPS_SYS(sys_mq_unlink , 1) 1727048f6b4dSbellard MIPS_SYS(sys_mq_timedsend, 5) 1728048f6b4dSbellard MIPS_SYS(sys_mq_timedreceive, 5) 1729048f6b4dSbellard MIPS_SYS(sys_mq_notify , 2) /* 4275 */ 1730048f6b4dSbellard MIPS_SYS(sys_mq_getsetattr, 3) 1731048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ 1732048f6b4dSbellard MIPS_SYS(sys_waitid , 4) 1733048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ 1734048f6b4dSbellard MIPS_SYS(sys_add_key , 5) 1735048f6b4dSbellard MIPS_SYS(sys_request_key, 4) 1736048f6b4dSbellard MIPS_SYS(sys_keyctl , 5) 17376f5b89a0Sths MIPS_SYS(sys_set_thread_area, 1) 1738388bb21aSths MIPS_SYS(sys_inotify_init, 0) 1739388bb21aSths MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */ 1740388bb21aSths MIPS_SYS(sys_inotify_rm_watch, 2) 1741388bb21aSths MIPS_SYS(sys_migrate_pages, 4) 1742388bb21aSths MIPS_SYS(sys_openat, 4) 1743388bb21aSths MIPS_SYS(sys_mkdirat, 3) 1744388bb21aSths MIPS_SYS(sys_mknodat, 4) /* 4290 */ 1745388bb21aSths MIPS_SYS(sys_fchownat, 5) 1746388bb21aSths MIPS_SYS(sys_futimesat, 3) 1747388bb21aSths MIPS_SYS(sys_fstatat64, 4) 1748388bb21aSths MIPS_SYS(sys_unlinkat, 3) 1749388bb21aSths MIPS_SYS(sys_renameat, 4) /* 4295 */ 1750388bb21aSths MIPS_SYS(sys_linkat, 5) 1751388bb21aSths MIPS_SYS(sys_symlinkat, 3) 1752388bb21aSths MIPS_SYS(sys_readlinkat, 4) 1753388bb21aSths MIPS_SYS(sys_fchmodat, 3) 1754388bb21aSths MIPS_SYS(sys_faccessat, 3) /* 4300 */ 1755388bb21aSths MIPS_SYS(sys_pselect6, 6) 1756388bb21aSths MIPS_SYS(sys_ppoll, 5) 1757388bb21aSths MIPS_SYS(sys_unshare, 1) 1758388bb21aSths MIPS_SYS(sys_splice, 4) 1759388bb21aSths MIPS_SYS(sys_sync_file_range, 7) /* 4305 */ 1760388bb21aSths MIPS_SYS(sys_tee, 4) 1761388bb21aSths MIPS_SYS(sys_vmsplice, 4) 1762388bb21aSths MIPS_SYS(sys_move_pages, 6) 1763388bb21aSths MIPS_SYS(sys_set_robust_list, 2) 1764388bb21aSths MIPS_SYS(sys_get_robust_list, 3) /* 4310 */ 1765388bb21aSths MIPS_SYS(sys_kexec_load, 4) 1766388bb21aSths MIPS_SYS(sys_getcpu, 3) 1767388bb21aSths MIPS_SYS(sys_epoll_pwait, 6) 1768388bb21aSths MIPS_SYS(sys_ioprio_set, 3) 1769388bb21aSths MIPS_SYS(sys_ioprio_get, 2) 1770048f6b4dSbellard }; 1771048f6b4dSbellard 1772048f6b4dSbellard #undef MIPS_SYS 1773048f6b4dSbellard 1774048f6b4dSbellard void cpu_loop(CPUMIPSState *env) 1775048f6b4dSbellard { 1776048f6b4dSbellard target_siginfo_t info; 1777388bb21aSths int trapnr, ret; 1778048f6b4dSbellard unsigned int syscall_num; 1779048f6b4dSbellard 1780048f6b4dSbellard for(;;) { 1781048f6b4dSbellard trapnr = cpu_mips_exec(env); 1782048f6b4dSbellard switch(trapnr) { 1783048f6b4dSbellard case EXCP_SYSCALL: 1784b5dc7732Sths syscall_num = env->active_tc.gpr[2] - 4000; 1785b5dc7732Sths env->active_tc.PC += 4; 1786048f6b4dSbellard if (syscall_num >= sizeof(mips_syscall_args)) { 1787048f6b4dSbellard ret = -ENOSYS; 1788048f6b4dSbellard } else { 1789388bb21aSths int nb_args; 1790992f48a0Sblueswir1 abi_ulong sp_reg; 1791992f48a0Sblueswir1 abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0; 1792388bb21aSths 1793048f6b4dSbellard nb_args = mips_syscall_args[syscall_num]; 1794b5dc7732Sths sp_reg = env->active_tc.gpr[29]; 1795388bb21aSths switch (nb_args) { 1796048f6b4dSbellard /* these arguments are taken from the stack */ 17972f619698Sbellard /* FIXME - what to do if get_user() fails? */ 17982f619698Sbellard case 8: get_user_ual(arg8, sp_reg + 28); 17992f619698Sbellard case 7: get_user_ual(arg7, sp_reg + 24); 18002f619698Sbellard case 6: get_user_ual(arg6, sp_reg + 20); 18012f619698Sbellard case 5: get_user_ual(arg5, sp_reg + 16); 1802388bb21aSths default: 1803388bb21aSths break; 1804048f6b4dSbellard } 1805b5dc7732Sths ret = do_syscall(env, env->active_tc.gpr[2], 1806b5dc7732Sths env->active_tc.gpr[4], 1807b5dc7732Sths env->active_tc.gpr[5], 1808b5dc7732Sths env->active_tc.gpr[6], 1809b5dc7732Sths env->active_tc.gpr[7], 1810388bb21aSths arg5, arg6/*, arg7, arg8*/); 1811048f6b4dSbellard } 1812048f6b4dSbellard if ((unsigned int)ret >= (unsigned int)(-1133)) { 1813b5dc7732Sths env->active_tc.gpr[7] = 1; /* error flag */ 1814048f6b4dSbellard ret = -ret; 1815048f6b4dSbellard } else { 1816b5dc7732Sths env->active_tc.gpr[7] = 0; /* error flag */ 1817388bb21aSths } 1818b5dc7732Sths env->active_tc.gpr[2] = ret; 1819048f6b4dSbellard break; 1820ca7c2b1bSths case EXCP_TLBL: 1821ca7c2b1bSths case EXCP_TLBS: 18226900e84bSbellard case EXCP_CpU: 1823048f6b4dSbellard case EXCP_RI: 1824048f6b4dSbellard info.si_signo = TARGET_SIGILL; 1825048f6b4dSbellard info.si_errno = 0; 1826048f6b4dSbellard info.si_code = 0; 1827624f7979Spbrook queue_signal(env, info.si_signo, &info); 1828048f6b4dSbellard break; 1829106ec879Sbellard case EXCP_INTERRUPT: 1830106ec879Sbellard /* just indicate that signals should be handled asap */ 1831106ec879Sbellard break; 1832d08b2a28Spbrook case EXCP_DEBUG: 1833d08b2a28Spbrook { 1834d08b2a28Spbrook int sig; 1835d08b2a28Spbrook 1836d08b2a28Spbrook sig = gdb_handlesig (env, TARGET_SIGTRAP); 1837d08b2a28Spbrook if (sig) 1838d08b2a28Spbrook { 1839d08b2a28Spbrook info.si_signo = sig; 1840d08b2a28Spbrook info.si_errno = 0; 1841d08b2a28Spbrook info.si_code = TARGET_TRAP_BRKPT; 1842624f7979Spbrook queue_signal(env, info.si_signo, &info); 1843d08b2a28Spbrook } 1844d08b2a28Spbrook } 1845d08b2a28Spbrook break; 1846048f6b4dSbellard default: 1847048f6b4dSbellard // error: 1848048f6b4dSbellard fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 1849048f6b4dSbellard trapnr); 1850048f6b4dSbellard cpu_dump_state(env, stderr, fprintf, 0); 1851048f6b4dSbellard abort(); 1852048f6b4dSbellard } 1853048f6b4dSbellard process_pending_signals(env); 1854048f6b4dSbellard } 1855048f6b4dSbellard } 1856048f6b4dSbellard #endif 1857048f6b4dSbellard 1858fdf9b3e8Sbellard #ifdef TARGET_SH4 1859fdf9b3e8Sbellard void cpu_loop (CPUState *env) 1860fdf9b3e8Sbellard { 1861fdf9b3e8Sbellard int trapnr, ret; 1862355fb23dSpbrook target_siginfo_t info; 1863fdf9b3e8Sbellard 1864fdf9b3e8Sbellard while (1) { 1865fdf9b3e8Sbellard trapnr = cpu_sh4_exec (env); 1866fdf9b3e8Sbellard 1867fdf9b3e8Sbellard switch (trapnr) { 1868fdf9b3e8Sbellard case 0x160: 1869fdf9b3e8Sbellard ret = do_syscall(env, 18709c2a9ea1Spbrook env->gregs[3], 18719c2a9ea1Spbrook env->gregs[4], 18729c2a9ea1Spbrook env->gregs[5], 18739c2a9ea1Spbrook env->gregs[6], 18749c2a9ea1Spbrook env->gregs[7], 18759c2a9ea1Spbrook env->gregs[0], 1876fca743f3Sths env->gregs[1]); 18779c2a9ea1Spbrook env->gregs[0] = ret; 1878fdf9b3e8Sbellard env->pc += 2; 1879fdf9b3e8Sbellard break; 1880c3b5bc8aSths case EXCP_INTERRUPT: 1881c3b5bc8aSths /* just indicate that signals should be handled asap */ 1882c3b5bc8aSths break; 1883355fb23dSpbrook case EXCP_DEBUG: 1884355fb23dSpbrook { 1885355fb23dSpbrook int sig; 1886355fb23dSpbrook 1887355fb23dSpbrook sig = gdb_handlesig (env, TARGET_SIGTRAP); 1888355fb23dSpbrook if (sig) 1889355fb23dSpbrook { 1890355fb23dSpbrook info.si_signo = sig; 1891355fb23dSpbrook info.si_errno = 0; 1892355fb23dSpbrook info.si_code = TARGET_TRAP_BRKPT; 1893624f7979Spbrook queue_signal(env, info.si_signo, &info); 1894355fb23dSpbrook } 1895355fb23dSpbrook } 1896355fb23dSpbrook break; 1897c3b5bc8aSths case 0xa0: 1898c3b5bc8aSths case 0xc0: 1899c3b5bc8aSths info.si_signo = SIGSEGV; 1900c3b5bc8aSths info.si_errno = 0; 1901c3b5bc8aSths info.si_code = TARGET_SEGV_MAPERR; 1902c3b5bc8aSths info._sifields._sigfault._addr = env->tea; 1903624f7979Spbrook queue_signal(env, info.si_signo, &info); 1904c3b5bc8aSths break; 1905c3b5bc8aSths 1906fdf9b3e8Sbellard default: 1907fdf9b3e8Sbellard printf ("Unhandled trap: 0x%x\n", trapnr); 1908fdf9b3e8Sbellard cpu_dump_state(env, stderr, fprintf, 0); 1909fdf9b3e8Sbellard exit (1); 1910fdf9b3e8Sbellard } 1911fdf9b3e8Sbellard process_pending_signals (env); 1912fdf9b3e8Sbellard } 1913fdf9b3e8Sbellard } 1914fdf9b3e8Sbellard #endif 1915fdf9b3e8Sbellard 191648733d19Sths #ifdef TARGET_CRIS 191748733d19Sths void cpu_loop (CPUState *env) 191848733d19Sths { 191948733d19Sths int trapnr, ret; 192048733d19Sths target_siginfo_t info; 192148733d19Sths 192248733d19Sths while (1) { 192348733d19Sths trapnr = cpu_cris_exec (env); 192448733d19Sths switch (trapnr) { 192548733d19Sths case 0xaa: 192648733d19Sths { 192748733d19Sths info.si_signo = SIGSEGV; 192848733d19Sths info.si_errno = 0; 192948733d19Sths /* XXX: check env->error_code */ 193048733d19Sths info.si_code = TARGET_SEGV_MAPERR; 1931e00c1e71Sedgar_igl info._sifields._sigfault._addr = env->pregs[PR_EDA]; 1932624f7979Spbrook queue_signal(env, info.si_signo, &info); 193348733d19Sths } 193448733d19Sths break; 1935b6d3abdaSedgar_igl case EXCP_INTERRUPT: 1936b6d3abdaSedgar_igl /* just indicate that signals should be handled asap */ 1937b6d3abdaSedgar_igl break; 193848733d19Sths case EXCP_BREAK: 193948733d19Sths ret = do_syscall(env, 194048733d19Sths env->regs[9], 194148733d19Sths env->regs[10], 194248733d19Sths env->regs[11], 194348733d19Sths env->regs[12], 194448733d19Sths env->regs[13], 194548733d19Sths env->pregs[7], 194648733d19Sths env->pregs[11]); 194748733d19Sths env->regs[10] = ret; 194848733d19Sths env->pc += 2; 194948733d19Sths break; 195048733d19Sths case EXCP_DEBUG: 195148733d19Sths { 195248733d19Sths int sig; 195348733d19Sths 195448733d19Sths sig = gdb_handlesig (env, TARGET_SIGTRAP); 195548733d19Sths if (sig) 195648733d19Sths { 195748733d19Sths info.si_signo = sig; 195848733d19Sths info.si_errno = 0; 195948733d19Sths info.si_code = TARGET_TRAP_BRKPT; 1960624f7979Spbrook queue_signal(env, info.si_signo, &info); 196148733d19Sths } 196248733d19Sths } 196348733d19Sths break; 196448733d19Sths default: 196548733d19Sths printf ("Unhandled trap: 0x%x\n", trapnr); 196648733d19Sths cpu_dump_state(env, stderr, fprintf, 0); 196748733d19Sths exit (1); 196848733d19Sths } 196948733d19Sths process_pending_signals (env); 197048733d19Sths } 197148733d19Sths } 197248733d19Sths #endif 197348733d19Sths 1974e6e5906bSpbrook #ifdef TARGET_M68K 1975e6e5906bSpbrook 1976e6e5906bSpbrook void cpu_loop(CPUM68KState *env) 1977e6e5906bSpbrook { 1978e6e5906bSpbrook int trapnr; 1979e6e5906bSpbrook unsigned int n; 1980e6e5906bSpbrook target_siginfo_t info; 1981e6e5906bSpbrook TaskState *ts = env->opaque; 1982e6e5906bSpbrook 1983e6e5906bSpbrook for(;;) { 1984e6e5906bSpbrook trapnr = cpu_m68k_exec(env); 1985e6e5906bSpbrook switch(trapnr) { 1986e6e5906bSpbrook case EXCP_ILLEGAL: 1987e6e5906bSpbrook { 1988e6e5906bSpbrook if (ts->sim_syscalls) { 1989e6e5906bSpbrook uint16_t nr; 1990e6e5906bSpbrook nr = lduw(env->pc + 2); 1991e6e5906bSpbrook env->pc += 4; 1992e6e5906bSpbrook do_m68k_simcall(env, nr); 1993e6e5906bSpbrook } else { 1994e6e5906bSpbrook goto do_sigill; 1995e6e5906bSpbrook } 1996e6e5906bSpbrook } 1997e6e5906bSpbrook break; 1998a87295e8Spbrook case EXCP_HALT_INSN: 1999e6e5906bSpbrook /* Semihosing syscall. */ 2000a87295e8Spbrook env->pc += 4; 2001e6e5906bSpbrook do_m68k_semihosting(env, env->dregs[0]); 2002e6e5906bSpbrook break; 2003e6e5906bSpbrook case EXCP_LINEA: 2004e6e5906bSpbrook case EXCP_LINEF: 2005e6e5906bSpbrook case EXCP_UNSUPPORTED: 2006e6e5906bSpbrook do_sigill: 2007e6e5906bSpbrook info.si_signo = SIGILL; 2008e6e5906bSpbrook info.si_errno = 0; 2009e6e5906bSpbrook info.si_code = TARGET_ILL_ILLOPN; 2010e6e5906bSpbrook info._sifields._sigfault._addr = env->pc; 2011624f7979Spbrook queue_signal(env, info.si_signo, &info); 2012e6e5906bSpbrook break; 2013e6e5906bSpbrook case EXCP_TRAP0: 2014e6e5906bSpbrook { 2015e6e5906bSpbrook ts->sim_syscalls = 0; 2016e6e5906bSpbrook n = env->dregs[0]; 2017e6e5906bSpbrook env->pc += 2; 2018e6e5906bSpbrook env->dregs[0] = do_syscall(env, 2019e6e5906bSpbrook n, 2020e6e5906bSpbrook env->dregs[1], 2021e6e5906bSpbrook env->dregs[2], 2022e6e5906bSpbrook env->dregs[3], 2023e6e5906bSpbrook env->dregs[4], 2024e6e5906bSpbrook env->dregs[5], 2025bb7ec043Spbrook env->aregs[0]); 2026e6e5906bSpbrook } 2027e6e5906bSpbrook break; 2028e6e5906bSpbrook case EXCP_INTERRUPT: 2029e6e5906bSpbrook /* just indicate that signals should be handled asap */ 2030e6e5906bSpbrook break; 2031e6e5906bSpbrook case EXCP_ACCESS: 2032e6e5906bSpbrook { 2033e6e5906bSpbrook info.si_signo = SIGSEGV; 2034e6e5906bSpbrook info.si_errno = 0; 2035e6e5906bSpbrook /* XXX: check env->error_code */ 2036e6e5906bSpbrook info.si_code = TARGET_SEGV_MAPERR; 2037e6e5906bSpbrook info._sifields._sigfault._addr = env->mmu.ar; 2038624f7979Spbrook queue_signal(env, info.si_signo, &info); 2039e6e5906bSpbrook } 2040e6e5906bSpbrook break; 2041e6e5906bSpbrook case EXCP_DEBUG: 2042e6e5906bSpbrook { 2043e6e5906bSpbrook int sig; 2044e6e5906bSpbrook 2045e6e5906bSpbrook sig = gdb_handlesig (env, TARGET_SIGTRAP); 2046e6e5906bSpbrook if (sig) 2047e6e5906bSpbrook { 2048e6e5906bSpbrook info.si_signo = sig; 2049e6e5906bSpbrook info.si_errno = 0; 2050e6e5906bSpbrook info.si_code = TARGET_TRAP_BRKPT; 2051624f7979Spbrook queue_signal(env, info.si_signo, &info); 2052e6e5906bSpbrook } 2053e6e5906bSpbrook } 2054e6e5906bSpbrook break; 2055e6e5906bSpbrook default: 2056e6e5906bSpbrook fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 2057e6e5906bSpbrook trapnr); 2058e6e5906bSpbrook cpu_dump_state(env, stderr, fprintf, 0); 2059e6e5906bSpbrook abort(); 2060e6e5906bSpbrook } 2061e6e5906bSpbrook process_pending_signals(env); 2062e6e5906bSpbrook } 2063e6e5906bSpbrook } 2064e6e5906bSpbrook #endif /* TARGET_M68K */ 2065e6e5906bSpbrook 20667a3148a9Sj_mayer #ifdef TARGET_ALPHA 20677a3148a9Sj_mayer void cpu_loop (CPUState *env) 20687a3148a9Sj_mayer { 2069e96efcfcSj_mayer int trapnr; 20707a3148a9Sj_mayer target_siginfo_t info; 20717a3148a9Sj_mayer 20727a3148a9Sj_mayer while (1) { 20737a3148a9Sj_mayer trapnr = cpu_alpha_exec (env); 20747a3148a9Sj_mayer 20757a3148a9Sj_mayer switch (trapnr) { 20767a3148a9Sj_mayer case EXCP_RESET: 20777a3148a9Sj_mayer fprintf(stderr, "Reset requested. Exit\n"); 20787a3148a9Sj_mayer exit(1); 20797a3148a9Sj_mayer break; 20807a3148a9Sj_mayer case EXCP_MCHK: 20817a3148a9Sj_mayer fprintf(stderr, "Machine check exception. Exit\n"); 20827a3148a9Sj_mayer exit(1); 20837a3148a9Sj_mayer break; 20847a3148a9Sj_mayer case EXCP_ARITH: 20857a3148a9Sj_mayer fprintf(stderr, "Arithmetic trap.\n"); 20867a3148a9Sj_mayer exit(1); 20877a3148a9Sj_mayer break; 20887a3148a9Sj_mayer case EXCP_HW_INTERRUPT: 20897a3148a9Sj_mayer fprintf(stderr, "External interrupt. Exit\n"); 20907a3148a9Sj_mayer exit(1); 20917a3148a9Sj_mayer break; 20927a3148a9Sj_mayer case EXCP_DFAULT: 20937a3148a9Sj_mayer fprintf(stderr, "MMU data fault\n"); 20947a3148a9Sj_mayer exit(1); 20957a3148a9Sj_mayer break; 20967a3148a9Sj_mayer case EXCP_DTB_MISS_PAL: 20977a3148a9Sj_mayer fprintf(stderr, "MMU data TLB miss in PALcode\n"); 20987a3148a9Sj_mayer exit(1); 20997a3148a9Sj_mayer break; 21007a3148a9Sj_mayer case EXCP_ITB_MISS: 21017a3148a9Sj_mayer fprintf(stderr, "MMU instruction TLB miss\n"); 21027a3148a9Sj_mayer exit(1); 21037a3148a9Sj_mayer break; 21047a3148a9Sj_mayer case EXCP_ITB_ACV: 21057a3148a9Sj_mayer fprintf(stderr, "MMU instruction access violation\n"); 21067a3148a9Sj_mayer exit(1); 21077a3148a9Sj_mayer break; 21087a3148a9Sj_mayer case EXCP_DTB_MISS_NATIVE: 21097a3148a9Sj_mayer fprintf(stderr, "MMU data TLB miss\n"); 21107a3148a9Sj_mayer exit(1); 21117a3148a9Sj_mayer break; 21127a3148a9Sj_mayer case EXCP_UNALIGN: 21137a3148a9Sj_mayer fprintf(stderr, "Unaligned access\n"); 21147a3148a9Sj_mayer exit(1); 21157a3148a9Sj_mayer break; 21167a3148a9Sj_mayer case EXCP_OPCDEC: 21177a3148a9Sj_mayer fprintf(stderr, "Invalid instruction\n"); 21187a3148a9Sj_mayer exit(1); 21197a3148a9Sj_mayer break; 21207a3148a9Sj_mayer case EXCP_FEN: 21217a3148a9Sj_mayer fprintf(stderr, "Floating-point not allowed\n"); 21227a3148a9Sj_mayer exit(1); 21237a3148a9Sj_mayer break; 21247a3148a9Sj_mayer case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1): 21257a3148a9Sj_mayer fprintf(stderr, "Call to PALcode\n"); 21267a3148a9Sj_mayer call_pal(env, (trapnr >> 6) | 0x80); 21277a3148a9Sj_mayer break; 21287a3148a9Sj_mayer case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1): 21297f75ffd3Sblueswir1 fprintf(stderr, "Privileged call to PALcode\n"); 21307a3148a9Sj_mayer exit(1); 21317a3148a9Sj_mayer break; 21327a3148a9Sj_mayer case EXCP_DEBUG: 21337a3148a9Sj_mayer { 21347a3148a9Sj_mayer int sig; 21357a3148a9Sj_mayer 21367a3148a9Sj_mayer sig = gdb_handlesig (env, TARGET_SIGTRAP); 21377a3148a9Sj_mayer if (sig) 21387a3148a9Sj_mayer { 21397a3148a9Sj_mayer info.si_signo = sig; 21407a3148a9Sj_mayer info.si_errno = 0; 21417a3148a9Sj_mayer info.si_code = TARGET_TRAP_BRKPT; 2142624f7979Spbrook queue_signal(env, info.si_signo, &info); 21437a3148a9Sj_mayer } 21447a3148a9Sj_mayer } 21457a3148a9Sj_mayer break; 21467a3148a9Sj_mayer default: 21477a3148a9Sj_mayer printf ("Unhandled trap: 0x%x\n", trapnr); 21487a3148a9Sj_mayer cpu_dump_state(env, stderr, fprintf, 0); 21497a3148a9Sj_mayer exit (1); 21507a3148a9Sj_mayer } 21517a3148a9Sj_mayer process_pending_signals (env); 21527a3148a9Sj_mayer } 21537a3148a9Sj_mayer } 21547a3148a9Sj_mayer #endif /* TARGET_ALPHA */ 21557a3148a9Sj_mayer 2156*8fcd3692Sblueswir1 static void usage(void) 215731e31b8aSbellard { 215868d0f70eSbellard printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" 215968d0f70eSbellard "usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n" 2160b346ff46Sbellard "Linux CPU emulator (compiled for %s emulation)\n" 2161d691f669Sbellard "\n" 216268d0f70eSbellard "Standard options:\n" 2163d691f669Sbellard "-h print this help\n" 216474c33bedSbellard "-g port wait gdb connection to port\n" 2165b346ff46Sbellard "-L path set the elf interpreter prefix (default=%s)\n" 2166b346ff46Sbellard "-s size set the stack size in bytes (default=%ld)\n" 2167b1f9be31Sj_mayer "-cpu model select CPU (-cpu ? for list)\n" 2168b12b6a18Sths "-drop-ld-preload drop LD_PRELOAD for target process\n" 216954936004Sbellard "\n" 217068d0f70eSbellard "Debug options:\n" 21716f1f31c0Sbellard "-d options activate log (logfile=%s)\n" 2172b6741956Sbellard "-p pagesize set the host page size to 'pagesize'\n" 2173b01bcae6Sbalrog "-strace log system calls\n" 2174b01bcae6Sbalrog "\n" 217568d0f70eSbellard "Environment variables:\n" 2176b01bcae6Sbalrog "QEMU_STRACE Print system calls and arguments similar to the\n" 2177b01bcae6Sbalrog " 'strace' program. Enable by setting to any value.\n" 2178b01bcae6Sbalrog , 2179b346ff46Sbellard TARGET_ARCH, 2180d691f669Sbellard interp_prefix, 218154936004Sbellard x86_stack_size, 218254936004Sbellard DEBUG_LOGFILE); 218374cd30b8Sbellard _exit(1); 218431e31b8aSbellard } 218531e31b8aSbellard 2186d5975363Spbrook THREAD CPUState *thread_env; 218759faf6d6Sbellard 2188c3a92833Spbrook /* Assumes contents are already zeroed. */ 2189624f7979Spbrook void init_task_state(TaskState *ts) 2190624f7979Spbrook { 2191624f7979Spbrook int i; 2192624f7979Spbrook 2193624f7979Spbrook ts->used = 1; 2194624f7979Spbrook ts->first_free = ts->sigqueue_table; 2195624f7979Spbrook for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) { 2196624f7979Spbrook ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1]; 2197624f7979Spbrook } 2198624f7979Spbrook ts->sigqueue_table[i].next = NULL; 2199624f7979Spbrook } 22009de5e440Sbellard 220131e31b8aSbellard int main(int argc, char **argv) 220231e31b8aSbellard { 220331e31b8aSbellard const char *filename; 2204b1f9be31Sj_mayer const char *cpu_model; 220501ffc75bSbellard struct target_pt_regs regs1, *regs = ®s1; 220631e31b8aSbellard struct image_info info1, *info = &info1; 2207851e67a1Sbellard TaskState ts1, *ts = &ts1; 2208b346ff46Sbellard CPUState *env; 2209586314f2Sbellard int optind; 2210d691f669Sbellard const char *r; 221174c33bedSbellard int gdbstub_port = 0; 2212b12b6a18Sths int drop_ld_preload = 0, environ_count = 0; 2213b12b6a18Sths char **target_environ, **wrk, **dst; 221431e31b8aSbellard 221531e31b8aSbellard if (argc <= 1) 221644de1b33Spbrook usage(); 2217f801f97eSbellard 2218cc38b844Sbellard /* init debug */ 2219cc38b844Sbellard cpu_set_log_filename(DEBUG_LOGFILE); 2220cc38b844Sbellard 2221b1f9be31Sj_mayer cpu_model = NULL; 2222586314f2Sbellard optind = 1; 2223d691f669Sbellard for(;;) { 2224d691f669Sbellard if (optind >= argc) 2225d691f669Sbellard break; 2226d691f669Sbellard r = argv[optind]; 2227d691f669Sbellard if (r[0] != '-') 2228d691f669Sbellard break; 2229586314f2Sbellard optind++; 2230d691f669Sbellard r++; 2231d691f669Sbellard if (!strcmp(r, "-")) { 2232d691f669Sbellard break; 2233d691f669Sbellard } else if (!strcmp(r, "d")) { 2234e19e89a5Sbellard int mask; 2235e19e89a5Sbellard CPULogItem *item; 2236e19e89a5Sbellard 22376f1f31c0Sbellard if (optind >= argc) 22386f1f31c0Sbellard break; 22396f1f31c0Sbellard 22406f1f31c0Sbellard r = argv[optind++]; 22416f1f31c0Sbellard mask = cpu_str_to_log_mask(r); 2242e19e89a5Sbellard if (!mask) { 2243e19e89a5Sbellard printf("Log items (comma separated):\n"); 2244e19e89a5Sbellard for(item = cpu_log_items; item->mask != 0; item++) { 2245e19e89a5Sbellard printf("%-10s %s\n", item->name, item->help); 2246e19e89a5Sbellard } 2247e19e89a5Sbellard exit(1); 2248e19e89a5Sbellard } 2249e19e89a5Sbellard cpu_set_log(mask); 2250d691f669Sbellard } else if (!strcmp(r, "s")) { 2251d691f669Sbellard r = argv[optind++]; 2252d691f669Sbellard x86_stack_size = strtol(r, (char **)&r, 0); 2253d691f669Sbellard if (x86_stack_size <= 0) 225444de1b33Spbrook usage(); 2255d691f669Sbellard if (*r == 'M') 2256d691f669Sbellard x86_stack_size *= 1024 * 1024; 2257d691f669Sbellard else if (*r == 'k' || *r == 'K') 2258d691f669Sbellard x86_stack_size *= 1024; 2259d691f669Sbellard } else if (!strcmp(r, "L")) { 2260d691f669Sbellard interp_prefix = argv[optind++]; 226154936004Sbellard } else if (!strcmp(r, "p")) { 226283fb7adfSbellard qemu_host_page_size = atoi(argv[optind++]); 226383fb7adfSbellard if (qemu_host_page_size == 0 || 226483fb7adfSbellard (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { 226554936004Sbellard fprintf(stderr, "page size must be a power of two\n"); 226654936004Sbellard exit(1); 226754936004Sbellard } 22681fddef4bSbellard } else if (!strcmp(r, "g")) { 226974c33bedSbellard gdbstub_port = atoi(argv[optind++]); 2270c5937220Spbrook } else if (!strcmp(r, "r")) { 2271c5937220Spbrook qemu_uname_release = argv[optind++]; 2272b1f9be31Sj_mayer } else if (!strcmp(r, "cpu")) { 2273b1f9be31Sj_mayer cpu_model = argv[optind++]; 2274b1f9be31Sj_mayer if (strcmp(cpu_model, "?") == 0) { 2275c732abe2Sj_mayer /* XXX: implement xxx_cpu_list for targets that still miss it */ 2276c732abe2Sj_mayer #if defined(cpu_list) 2277c732abe2Sj_mayer cpu_list(stdout, &fprintf); 2278b1f9be31Sj_mayer #endif 2279cff4cbedSths _exit(1); 2280b1f9be31Sj_mayer } 2281b12b6a18Sths } else if (!strcmp(r, "drop-ld-preload")) { 2282b12b6a18Sths drop_ld_preload = 1; 2283b6741956Sbellard } else if (!strcmp(r, "strace")) { 2284b6741956Sbellard do_strace = 1; 2285c6981055Sbellard } else 2286c6981055Sbellard { 2287d691f669Sbellard usage(); 2288586314f2Sbellard } 2289d691f669Sbellard } 2290d691f669Sbellard if (optind >= argc) 2291d691f669Sbellard usage(); 2292586314f2Sbellard filename = argv[optind]; 229331e31b8aSbellard 229431e31b8aSbellard /* Zero out regs */ 229501ffc75bSbellard memset(regs, 0, sizeof(struct target_pt_regs)); 229631e31b8aSbellard 229731e31b8aSbellard /* Zero out image_info */ 229831e31b8aSbellard memset(info, 0, sizeof(struct image_info)); 229931e31b8aSbellard 230074cd30b8Sbellard /* Scan interp_prefix dir for replacement files. */ 230174cd30b8Sbellard init_paths(interp_prefix); 230274cd30b8Sbellard 230346027c07Sbellard if (cpu_model == NULL) { 2304aaed909aSbellard #if defined(TARGET_I386) 230546027c07Sbellard #ifdef TARGET_X86_64 230646027c07Sbellard cpu_model = "qemu64"; 230746027c07Sbellard #else 230846027c07Sbellard cpu_model = "qemu32"; 230946027c07Sbellard #endif 2310aaed909aSbellard #elif defined(TARGET_ARM) 2311aaed909aSbellard cpu_model = "arm926"; 2312aaed909aSbellard #elif defined(TARGET_M68K) 2313aaed909aSbellard cpu_model = "any"; 2314aaed909aSbellard #elif defined(TARGET_SPARC) 2315aaed909aSbellard #ifdef TARGET_SPARC64 2316aaed909aSbellard cpu_model = "TI UltraSparc II"; 2317aaed909aSbellard #else 2318aaed909aSbellard cpu_model = "Fujitsu MB86904"; 231946027c07Sbellard #endif 2320aaed909aSbellard #elif defined(TARGET_MIPS) 2321aaed909aSbellard #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64) 2322aaed909aSbellard cpu_model = "20Kc"; 2323aaed909aSbellard #else 2324aaed909aSbellard cpu_model = "24Kf"; 2325aaed909aSbellard #endif 2326aaed909aSbellard #elif defined(TARGET_PPC) 23277ded4f52Sbellard #ifdef TARGET_PPC64 23287ded4f52Sbellard cpu_model = "970"; 23297ded4f52Sbellard #else 2330aaed909aSbellard cpu_model = "750"; 23317ded4f52Sbellard #endif 2332aaed909aSbellard #else 2333aaed909aSbellard cpu_model = "any"; 2334aaed909aSbellard #endif 2335aaed909aSbellard } 233626a5f13bSbellard cpu_exec_init_all(0); 233783fb7adfSbellard /* NOTE: we need to init the CPU at this stage to get 233883fb7adfSbellard qemu_host_page_size */ 2339aaed909aSbellard env = cpu_init(cpu_model); 2340aaed909aSbellard if (!env) { 2341aaed909aSbellard fprintf(stderr, "Unable to find CPU definition\n"); 2342aaed909aSbellard exit(1); 2343aaed909aSbellard } 2344d5975363Spbrook thread_env = env; 234554936004Sbellard 2346b92c47c1Sths if (getenv("QEMU_STRACE")) { 2347b92c47c1Sths do_strace = 1; 2348b92c47c1Sths } 2349b92c47c1Sths 2350b12b6a18Sths wrk = environ; 2351b12b6a18Sths while (*(wrk++)) 2352b12b6a18Sths environ_count++; 2353b12b6a18Sths 2354b12b6a18Sths target_environ = malloc((environ_count + 1) * sizeof(char *)); 2355b12b6a18Sths if (!target_environ) 2356b12b6a18Sths abort(); 2357b12b6a18Sths for (wrk = environ, dst = target_environ; *wrk; wrk++) { 2358b12b6a18Sths if (drop_ld_preload && !strncmp(*wrk, "LD_PRELOAD=", 11)) 2359b12b6a18Sths continue; 2360b12b6a18Sths *(dst++) = strdup(*wrk); 2361b12b6a18Sths } 2362403f14efSths *dst = NULL; /* NULL terminate target_environ */ 2363b12b6a18Sths 2364b12b6a18Sths if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) { 236531e31b8aSbellard printf("Error loading %s\n", filename); 236674cd30b8Sbellard _exit(1); 236731e31b8aSbellard } 236831e31b8aSbellard 2369b12b6a18Sths for (wrk = target_environ; *wrk; wrk++) { 2370b12b6a18Sths free(*wrk); 2371b12b6a18Sths } 2372b12b6a18Sths 2373b12b6a18Sths free(target_environ); 2374b12b6a18Sths 23754b74fe1fSbellard if (loglevel) { 237654936004Sbellard page_dump(logfile); 237754936004Sbellard 23788a4ed7efSbellard fprintf(logfile, "start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk); 23798a4ed7efSbellard fprintf(logfile, "end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code); 23808a4ed7efSbellard fprintf(logfile, "start_code 0x" TARGET_ABI_FMT_lx "\n", 23813d177870Sj_mayer info->start_code); 23828a4ed7efSbellard fprintf(logfile, "start_data 0x" TARGET_ABI_FMT_lx "\n", 23833d177870Sj_mayer info->start_data); 23848a4ed7efSbellard fprintf(logfile, "end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data); 23858a4ed7efSbellard fprintf(logfile, "start_stack 0x" TARGET_ABI_FMT_lx "\n", 23863d177870Sj_mayer info->start_stack); 23878a4ed7efSbellard fprintf(logfile, "brk 0x" TARGET_ABI_FMT_lx "\n", info->brk); 23888a4ed7efSbellard fprintf(logfile, "entry 0x" TARGET_ABI_FMT_lx "\n", info->entry); 23894b74fe1fSbellard } 239031e31b8aSbellard 239153a5960aSpbrook target_set_brk(info->brk); 239231e31b8aSbellard syscall_init(); 239366fb9763Sbellard signal_init(); 239431e31b8aSbellard 2395851e67a1Sbellard /* build Task State */ 2396851e67a1Sbellard memset(ts, 0, sizeof(TaskState)); 2397624f7979Spbrook init_task_state(ts); 2398978efd6aSpbrook ts->info = info; 2399624f7979Spbrook env->opaque = ts; 240059faf6d6Sbellard env->user_mode_only = 1; 2401851e67a1Sbellard 2402b346ff46Sbellard #if defined(TARGET_I386) 24032e255c6bSbellard cpu_x86_set_cpl(env, 3); 24042e255c6bSbellard 24053802ce26Sbellard env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK; 24061bde465eSbellard env->hflags |= HF_PE_MASK; 24071bde465eSbellard if (env->cpuid_features & CPUID_SSE) { 24081bde465eSbellard env->cr[4] |= CR4_OSFXSR_MASK; 24091bde465eSbellard env->hflags |= HF_OSFXSR_MASK; 24101bde465eSbellard } 2411d2fd1af7Sbellard #ifndef TARGET_ABI32 24124dbc422bSbellard /* enable 64 bit mode if possible */ 24134dbc422bSbellard if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) { 24144dbc422bSbellard fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n"); 24154dbc422bSbellard exit(1); 24164dbc422bSbellard } 2417d2fd1af7Sbellard env->cr[4] |= CR4_PAE_MASK; 24184dbc422bSbellard env->efer |= MSR_EFER_LMA | MSR_EFER_LME; 2419d2fd1af7Sbellard env->hflags |= HF_LMA_MASK; 2420d2fd1af7Sbellard #endif 24213802ce26Sbellard 2422415e561fSbellard /* flags setup : we activate the IRQs by default as in user mode */ 2423415e561fSbellard env->eflags |= IF_MASK; 2424415e561fSbellard 24256dbad63eSbellard /* linux register setup */ 2426d2fd1af7Sbellard #ifndef TARGET_ABI32 242784409ddbSj_mayer env->regs[R_EAX] = regs->rax; 242884409ddbSj_mayer env->regs[R_EBX] = regs->rbx; 242984409ddbSj_mayer env->regs[R_ECX] = regs->rcx; 243084409ddbSj_mayer env->regs[R_EDX] = regs->rdx; 243184409ddbSj_mayer env->regs[R_ESI] = regs->rsi; 243284409ddbSj_mayer env->regs[R_EDI] = regs->rdi; 243384409ddbSj_mayer env->regs[R_EBP] = regs->rbp; 243484409ddbSj_mayer env->regs[R_ESP] = regs->rsp; 243584409ddbSj_mayer env->eip = regs->rip; 243684409ddbSj_mayer #else 24370ecfa993Sbellard env->regs[R_EAX] = regs->eax; 24380ecfa993Sbellard env->regs[R_EBX] = regs->ebx; 24390ecfa993Sbellard env->regs[R_ECX] = regs->ecx; 24400ecfa993Sbellard env->regs[R_EDX] = regs->edx; 24410ecfa993Sbellard env->regs[R_ESI] = regs->esi; 24420ecfa993Sbellard env->regs[R_EDI] = regs->edi; 24430ecfa993Sbellard env->regs[R_EBP] = regs->ebp; 24440ecfa993Sbellard env->regs[R_ESP] = regs->esp; 2445dab2ed99Sbellard env->eip = regs->eip; 244684409ddbSj_mayer #endif 244731e31b8aSbellard 2448f4beb510Sbellard /* linux interrupt setup */ 244953a5960aSpbrook env->idt.base = h2g(idt_table); 2450f4beb510Sbellard env->idt.limit = sizeof(idt_table) - 1; 2451f4beb510Sbellard set_idt(0, 0); 2452f4beb510Sbellard set_idt(1, 0); 2453f4beb510Sbellard set_idt(2, 0); 2454f4beb510Sbellard set_idt(3, 3); 2455f4beb510Sbellard set_idt(4, 3); 2456ec95da6cSbellard set_idt(5, 0); 2457f4beb510Sbellard set_idt(6, 0); 2458f4beb510Sbellard set_idt(7, 0); 2459f4beb510Sbellard set_idt(8, 0); 2460f4beb510Sbellard set_idt(9, 0); 2461f4beb510Sbellard set_idt(10, 0); 2462f4beb510Sbellard set_idt(11, 0); 2463f4beb510Sbellard set_idt(12, 0); 2464f4beb510Sbellard set_idt(13, 0); 2465f4beb510Sbellard set_idt(14, 0); 2466f4beb510Sbellard set_idt(15, 0); 2467f4beb510Sbellard set_idt(16, 0); 2468f4beb510Sbellard set_idt(17, 0); 2469f4beb510Sbellard set_idt(18, 0); 2470f4beb510Sbellard set_idt(19, 0); 2471f4beb510Sbellard set_idt(0x80, 3); 2472f4beb510Sbellard 24736dbad63eSbellard /* linux segment setup */ 24748d18e893Sbellard { 24758d18e893Sbellard uint64_t *gdt_table; 24768d18e893Sbellard gdt_table = qemu_mallocz(sizeof(uint64_t) * TARGET_GDT_ENTRIES); 2477d2fd1af7Sbellard env->gdt.base = h2g((unsigned long)gdt_table); 24788d18e893Sbellard env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1; 2479d2fd1af7Sbellard #ifdef TARGET_ABI32 2480f4beb510Sbellard write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, 2481f4beb510Sbellard DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | 2482f4beb510Sbellard (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); 2483d2fd1af7Sbellard #else 2484d2fd1af7Sbellard /* 64 bit code segment */ 2485d2fd1af7Sbellard write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, 2486d2fd1af7Sbellard DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | 2487d2fd1af7Sbellard DESC_L_MASK | 2488d2fd1af7Sbellard (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); 2489d2fd1af7Sbellard #endif 2490f4beb510Sbellard write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff, 2491f4beb510Sbellard DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | 2492f4beb510Sbellard (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); 24938d18e893Sbellard } 24946dbad63eSbellard cpu_x86_load_seg(env, R_CS, __USER_CS); 2495d2fd1af7Sbellard cpu_x86_load_seg(env, R_SS, __USER_DS); 2496d2fd1af7Sbellard #ifdef TARGET_ABI32 24976dbad63eSbellard cpu_x86_load_seg(env, R_DS, __USER_DS); 24986dbad63eSbellard cpu_x86_load_seg(env, R_ES, __USER_DS); 24996dbad63eSbellard cpu_x86_load_seg(env, R_FS, __USER_DS); 25006dbad63eSbellard cpu_x86_load_seg(env, R_GS, __USER_DS); 2501d6eb40f6Sths /* This hack makes Wine work... */ 2502d6eb40f6Sths env->segs[R_FS].selector = 0; 2503d2fd1af7Sbellard #else 2504d2fd1af7Sbellard cpu_x86_load_seg(env, R_DS, 0); 2505d2fd1af7Sbellard cpu_x86_load_seg(env, R_ES, 0); 2506d2fd1af7Sbellard cpu_x86_load_seg(env, R_FS, 0); 2507d2fd1af7Sbellard cpu_x86_load_seg(env, R_GS, 0); 2508d2fd1af7Sbellard #endif 2509b346ff46Sbellard #elif defined(TARGET_ARM) 2510b346ff46Sbellard { 2511b346ff46Sbellard int i; 2512b5ff1b31Sbellard cpsr_write(env, regs->uregs[16], 0xffffffff); 2513b346ff46Sbellard for(i = 0; i < 16; i++) { 2514b346ff46Sbellard env->regs[i] = regs->uregs[i]; 2515b346ff46Sbellard } 2516b346ff46Sbellard } 251793ac68bcSbellard #elif defined(TARGET_SPARC) 2518060366c5Sbellard { 2519060366c5Sbellard int i; 2520060366c5Sbellard env->pc = regs->pc; 2521060366c5Sbellard env->npc = regs->npc; 2522060366c5Sbellard env->y = regs->y; 2523060366c5Sbellard for(i = 0; i < 8; i++) 2524060366c5Sbellard env->gregs[i] = regs->u_regs[i]; 2525060366c5Sbellard for(i = 0; i < 8; i++) 2526060366c5Sbellard env->regwptr[i] = regs->u_regs[i + 8]; 2527060366c5Sbellard } 252867867308Sbellard #elif defined(TARGET_PPC) 252967867308Sbellard { 253067867308Sbellard int i; 25313fc6c082Sbellard 25320411a972Sj_mayer #if defined(TARGET_PPC64) 25330411a972Sj_mayer #if defined(TARGET_ABI32) 25340411a972Sj_mayer env->msr &= ~((target_ulong)1 << MSR_SF); 2535e85e7c6eSj_mayer #else 25360411a972Sj_mayer env->msr |= (target_ulong)1 << MSR_SF; 25370411a972Sj_mayer #endif 253884409ddbSj_mayer #endif 253967867308Sbellard env->nip = regs->nip; 254067867308Sbellard for(i = 0; i < 32; i++) { 254167867308Sbellard env->gpr[i] = regs->gpr[i]; 254267867308Sbellard } 254367867308Sbellard } 2544e6e5906bSpbrook #elif defined(TARGET_M68K) 2545e6e5906bSpbrook { 2546e6e5906bSpbrook env->pc = regs->pc; 2547e6e5906bSpbrook env->dregs[0] = regs->d0; 2548e6e5906bSpbrook env->dregs[1] = regs->d1; 2549e6e5906bSpbrook env->dregs[2] = regs->d2; 2550e6e5906bSpbrook env->dregs[3] = regs->d3; 2551e6e5906bSpbrook env->dregs[4] = regs->d4; 2552e6e5906bSpbrook env->dregs[5] = regs->d5; 2553e6e5906bSpbrook env->dregs[6] = regs->d6; 2554e6e5906bSpbrook env->dregs[7] = regs->d7; 2555e6e5906bSpbrook env->aregs[0] = regs->a0; 2556e6e5906bSpbrook env->aregs[1] = regs->a1; 2557e6e5906bSpbrook env->aregs[2] = regs->a2; 2558e6e5906bSpbrook env->aregs[3] = regs->a3; 2559e6e5906bSpbrook env->aregs[4] = regs->a4; 2560e6e5906bSpbrook env->aregs[5] = regs->a5; 2561e6e5906bSpbrook env->aregs[6] = regs->a6; 2562e6e5906bSpbrook env->aregs[7] = regs->usp; 2563e6e5906bSpbrook env->sr = regs->sr; 2564e6e5906bSpbrook ts->sim_syscalls = 1; 2565e6e5906bSpbrook } 2566048f6b4dSbellard #elif defined(TARGET_MIPS) 2567048f6b4dSbellard { 2568048f6b4dSbellard int i; 2569048f6b4dSbellard 2570048f6b4dSbellard for(i = 0; i < 32; i++) { 2571b5dc7732Sths env->active_tc.gpr[i] = regs->regs[i]; 2572048f6b4dSbellard } 2573b5dc7732Sths env->active_tc.PC = regs->cp0_epc; 2574048f6b4dSbellard } 2575fdf9b3e8Sbellard #elif defined(TARGET_SH4) 2576fdf9b3e8Sbellard { 2577fdf9b3e8Sbellard int i; 2578fdf9b3e8Sbellard 2579fdf9b3e8Sbellard for(i = 0; i < 16; i++) { 2580fdf9b3e8Sbellard env->gregs[i] = regs->regs[i]; 2581fdf9b3e8Sbellard } 2582fdf9b3e8Sbellard env->pc = regs->pc; 2583fdf9b3e8Sbellard } 25847a3148a9Sj_mayer #elif defined(TARGET_ALPHA) 25857a3148a9Sj_mayer { 25867a3148a9Sj_mayer int i; 25877a3148a9Sj_mayer 25887a3148a9Sj_mayer for(i = 0; i < 28; i++) { 2589992f48a0Sblueswir1 env->ir[i] = ((abi_ulong *)regs)[i]; 25907a3148a9Sj_mayer } 25917a3148a9Sj_mayer env->ipr[IPR_USP] = regs->usp; 25927a3148a9Sj_mayer env->ir[30] = regs->usp; 25937a3148a9Sj_mayer env->pc = regs->pc; 25947a3148a9Sj_mayer env->unique = regs->unique; 25957a3148a9Sj_mayer } 259648733d19Sths #elif defined(TARGET_CRIS) 259748733d19Sths { 259848733d19Sths env->regs[0] = regs->r0; 259948733d19Sths env->regs[1] = regs->r1; 260048733d19Sths env->regs[2] = regs->r2; 260148733d19Sths env->regs[3] = regs->r3; 260248733d19Sths env->regs[4] = regs->r4; 260348733d19Sths env->regs[5] = regs->r5; 260448733d19Sths env->regs[6] = regs->r6; 260548733d19Sths env->regs[7] = regs->r7; 260648733d19Sths env->regs[8] = regs->r8; 260748733d19Sths env->regs[9] = regs->r9; 260848733d19Sths env->regs[10] = regs->r10; 260948733d19Sths env->regs[11] = regs->r11; 261048733d19Sths env->regs[12] = regs->r12; 261148733d19Sths env->regs[13] = regs->r13; 261248733d19Sths env->regs[14] = info->start_stack; 261348733d19Sths env->regs[15] = regs->acr; 261448733d19Sths env->pc = regs->erp; 261548733d19Sths } 2616b346ff46Sbellard #else 2617b346ff46Sbellard #error unsupported target CPU 2618b346ff46Sbellard #endif 261931e31b8aSbellard 2620a87295e8Spbrook #if defined(TARGET_ARM) || defined(TARGET_M68K) 2621a87295e8Spbrook ts->stack_base = info->start_stack; 2622a87295e8Spbrook ts->heap_base = info->brk; 2623a87295e8Spbrook /* This will be filled in on the first SYS_HEAPINFO call. */ 2624a87295e8Spbrook ts->heap_limit = 0; 2625a87295e8Spbrook #endif 2626a87295e8Spbrook 262774c33bedSbellard if (gdbstub_port) { 262874c33bedSbellard gdbserver_start (gdbstub_port); 26291fddef4bSbellard gdb_handlesig(env, 0); 26301fddef4bSbellard } 26311b6b029eSbellard cpu_loop(env); 26321b6b029eSbellard /* never exits */ 263331e31b8aSbellard return 0; 263431e31b8aSbellard } 2635