131e31b8aSbellard /* 293ac68bcSbellard * qemu user main 331e31b8aSbellard * 431e31b8aSbellard * Copyright (c) 2003 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" 2831e31b8aSbellard 293ef693a0Sbellard #define DEBUG_LOGFILE "/tmp/qemu.log" 30586314f2Sbellard 3183fb7adfSbellard #ifdef __APPLE__ 3283fb7adfSbellard #include <crt_externs.h> 3383fb7adfSbellard # define environ (*_NSGetEnviron()) 3483fb7adfSbellard #endif 3583fb7adfSbellard 3674cd30b8Sbellard static const char *interp_prefix = CONFIG_QEMU_PREFIX; 37c5937220Spbrook const char *qemu_uname_release = CONFIG_UNAME_RELEASE; 38586314f2Sbellard 393a4739d6Sbellard #if defined(__i386__) && !defined(CONFIG_STATIC) 40f801f97eSbellard /* Force usage of an ELF interpreter even if it is an ELF shared 41f801f97eSbellard object ! */ 42f801f97eSbellard const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2"; 434304763bSbellard #endif 4474cd30b8Sbellard 4593ac68bcSbellard /* for recent libc, we add these dummy symbols which are not declared 4674cd30b8Sbellard when generating a linked object (bug in ld ?) */ 47fbf59244Sbellard #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC) 48c6981055Sbellard long __preinit_array_start[0]; 49c6981055Sbellard long __preinit_array_end[0]; 5074cd30b8Sbellard long __init_array_start[0]; 5174cd30b8Sbellard long __init_array_end[0]; 5274cd30b8Sbellard long __fini_array_start[0]; 5374cd30b8Sbellard long __fini_array_end[0]; 5474cd30b8Sbellard #endif 5574cd30b8Sbellard 569de5e440Sbellard /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so 579de5e440Sbellard we allocate a bigger stack. Need a better solution, for example 589de5e440Sbellard by remapping the process stack directly at the right place */ 599de5e440Sbellard unsigned long x86_stack_size = 512 * 1024; 6031e31b8aSbellard 6131e31b8aSbellard void gemu_log(const char *fmt, ...) 6231e31b8aSbellard { 6331e31b8aSbellard va_list ap; 6431e31b8aSbellard 6531e31b8aSbellard va_start(ap, fmt); 6631e31b8aSbellard vfprintf(stderr, fmt, ap); 6731e31b8aSbellard va_end(ap); 6831e31b8aSbellard } 6931e31b8aSbellard 7061190b14Sbellard void cpu_outb(CPUState *env, int addr, int val) 71367e86e8Sbellard { 72367e86e8Sbellard fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val); 73367e86e8Sbellard } 74367e86e8Sbellard 7561190b14Sbellard void cpu_outw(CPUState *env, int addr, int val) 76367e86e8Sbellard { 77367e86e8Sbellard fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val); 78367e86e8Sbellard } 79367e86e8Sbellard 8061190b14Sbellard void cpu_outl(CPUState *env, int addr, int val) 81367e86e8Sbellard { 82367e86e8Sbellard fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val); 83367e86e8Sbellard } 84367e86e8Sbellard 8561190b14Sbellard int cpu_inb(CPUState *env, int addr) 86367e86e8Sbellard { 87367e86e8Sbellard fprintf(stderr, "inb: port=0x%04x\n", addr); 88367e86e8Sbellard return 0; 89367e86e8Sbellard } 90367e86e8Sbellard 9161190b14Sbellard int cpu_inw(CPUState *env, int addr) 92367e86e8Sbellard { 93367e86e8Sbellard fprintf(stderr, "inw: port=0x%04x\n", addr); 94367e86e8Sbellard return 0; 95367e86e8Sbellard } 96367e86e8Sbellard 9761190b14Sbellard int cpu_inl(CPUState *env, int addr) 98367e86e8Sbellard { 99367e86e8Sbellard fprintf(stderr, "inl: port=0x%04x\n", addr); 100367e86e8Sbellard return 0; 101367e86e8Sbellard } 102367e86e8Sbellard 103a541f297Sbellard int cpu_get_pic_interrupt(CPUState *env) 10492ccca6aSbellard { 10592ccca6aSbellard return -1; 10692ccca6aSbellard } 10792ccca6aSbellard 10828ab0e2eSbellard /* timers for rdtsc */ 10928ab0e2eSbellard 1101dce7c3cSbellard #if 0 11128ab0e2eSbellard 11228ab0e2eSbellard static uint64_t emu_time; 11328ab0e2eSbellard 11428ab0e2eSbellard int64_t cpu_get_real_ticks(void) 11528ab0e2eSbellard { 11628ab0e2eSbellard return emu_time++; 11728ab0e2eSbellard } 11828ab0e2eSbellard 11928ab0e2eSbellard #endif 12028ab0e2eSbellard 121a541f297Sbellard #ifdef TARGET_I386 122a541f297Sbellard /***********************************************************/ 123a541f297Sbellard /* CPUX86 core interface */ 124a541f297Sbellard 12502a1602eSbellard void cpu_smm_update(CPUState *env) 12602a1602eSbellard { 12702a1602eSbellard } 12802a1602eSbellard 12928ab0e2eSbellard uint64_t cpu_get_tsc(CPUX86State *env) 13028ab0e2eSbellard { 13128ab0e2eSbellard return cpu_get_real_ticks(); 13228ab0e2eSbellard } 13328ab0e2eSbellard 134f4beb510Sbellard static void write_dt(void *ptr, unsigned long addr, unsigned long limit, 135f4beb510Sbellard int flags) 1366dbad63eSbellard { 137f4beb510Sbellard unsigned int e1, e2; 13853a5960aSpbrook uint32_t *p; 1396dbad63eSbellard e1 = (addr << 16) | (limit & 0xffff); 1406dbad63eSbellard e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); 141f4beb510Sbellard e2 |= flags; 14253a5960aSpbrook p = ptr; 14353a5960aSpbrook p[0] = tswapl(e1); 14453a5960aSpbrook p[1] = tswapl(e2); 145f4beb510Sbellard } 146f4beb510Sbellard 147f4beb510Sbellard static void set_gate(void *ptr, unsigned int type, unsigned int dpl, 148f4beb510Sbellard unsigned long addr, unsigned int sel) 149f4beb510Sbellard { 150f4beb510Sbellard unsigned int e1, e2; 15153a5960aSpbrook uint32_t *p; 152f4beb510Sbellard e1 = (addr & 0xffff) | (sel << 16); 153f4beb510Sbellard e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); 15453a5960aSpbrook p = ptr; 15553a5960aSpbrook p[0] = tswapl(e1); 15653a5960aSpbrook p[1] = tswapl(e2); 1576dbad63eSbellard } 1586dbad63eSbellard 1596dbad63eSbellard uint64_t gdt_table[6]; 160f4beb510Sbellard uint64_t idt_table[256]; 161f4beb510Sbellard 162f4beb510Sbellard /* only dpl matters as we do only user space emulation */ 163f4beb510Sbellard static void set_idt(int n, unsigned int dpl) 164f4beb510Sbellard { 165f4beb510Sbellard set_gate(idt_table + n, 0, dpl, 0, 0); 166f4beb510Sbellard } 16731e31b8aSbellard 16889e957e7Sbellard void cpu_loop(CPUX86State *env) 169bc8a22ccSbellard { 170bc8a22ccSbellard int trapnr; 17180a9d035Sbellard target_ulong pc; 172bc8a22ccSbellard target_siginfo_t info; 173bc8a22ccSbellard 174bc8a22ccSbellard for(;;) { 175bc8a22ccSbellard trapnr = cpu_x86_exec(env); 176bc8a22ccSbellard switch(trapnr) { 177f4beb510Sbellard case 0x80: 178f4beb510Sbellard /* linux syscall */ 1791b6b029eSbellard env->regs[R_EAX] = do_syscall(env, 1801b6b029eSbellard env->regs[R_EAX], 1811b6b029eSbellard env->regs[R_EBX], 1821b6b029eSbellard env->regs[R_ECX], 1831b6b029eSbellard env->regs[R_EDX], 1841b6b029eSbellard env->regs[R_ESI], 1851b6b029eSbellard env->regs[R_EDI], 1861b6b029eSbellard env->regs[R_EBP]); 187f4beb510Sbellard break; 188f4beb510Sbellard case EXCP0B_NOSEG: 189f4beb510Sbellard case EXCP0C_STACK: 190f4beb510Sbellard info.si_signo = SIGBUS; 191f4beb510Sbellard info.si_errno = 0; 192f4beb510Sbellard info.si_code = TARGET_SI_KERNEL; 193f4beb510Sbellard info._sifields._sigfault._addr = 0; 194f4beb510Sbellard queue_signal(info.si_signo, &info); 195f4beb510Sbellard break; 196f4beb510Sbellard case EXCP0D_GPF: 197f4beb510Sbellard if (env->eflags & VM_MASK) { 198f4beb510Sbellard handle_vm86_fault(env); 1991b6b029eSbellard } else { 2009de5e440Sbellard info.si_signo = SIGSEGV; 2019de5e440Sbellard info.si_errno = 0; 202b689bc57Sbellard info.si_code = TARGET_SI_KERNEL; 2039de5e440Sbellard info._sifields._sigfault._addr = 0; 2049de5e440Sbellard queue_signal(info.si_signo, &info); 2051b6b029eSbellard } 2061b6b029eSbellard break; 207b689bc57Sbellard case EXCP0E_PAGE: 208b689bc57Sbellard info.si_signo = SIGSEGV; 209b689bc57Sbellard info.si_errno = 0; 210b689bc57Sbellard if (!(env->error_code & 1)) 211b689bc57Sbellard info.si_code = TARGET_SEGV_MAPERR; 212b689bc57Sbellard else 213b689bc57Sbellard info.si_code = TARGET_SEGV_ACCERR; 214970a87a6Sbellard info._sifields._sigfault._addr = env->cr[2]; 215b689bc57Sbellard queue_signal(info.si_signo, &info); 216b689bc57Sbellard break; 2179de5e440Sbellard case EXCP00_DIVZ: 218bc8a22ccSbellard if (env->eflags & VM_MASK) { 219447db213Sbellard handle_vm86_trap(env, trapnr); 220bc8a22ccSbellard } else { 2219de5e440Sbellard /* division by zero */ 2229de5e440Sbellard info.si_signo = SIGFPE; 2239de5e440Sbellard info.si_errno = 0; 2249de5e440Sbellard info.si_code = TARGET_FPE_INTDIV; 2259de5e440Sbellard info._sifields._sigfault._addr = env->eip; 2269de5e440Sbellard queue_signal(info.si_signo, &info); 227bc8a22ccSbellard } 2289de5e440Sbellard break; 229447db213Sbellard case EXCP01_SSTP: 230447db213Sbellard case EXCP03_INT3: 231447db213Sbellard if (env->eflags & VM_MASK) { 232447db213Sbellard handle_vm86_trap(env, trapnr); 233447db213Sbellard } else { 234447db213Sbellard info.si_signo = SIGTRAP; 235447db213Sbellard info.si_errno = 0; 236447db213Sbellard if (trapnr == EXCP01_SSTP) { 237447db213Sbellard info.si_code = TARGET_TRAP_BRKPT; 238447db213Sbellard info._sifields._sigfault._addr = env->eip; 239447db213Sbellard } else { 240447db213Sbellard info.si_code = TARGET_SI_KERNEL; 241447db213Sbellard info._sifields._sigfault._addr = 0; 242447db213Sbellard } 243447db213Sbellard queue_signal(info.si_signo, &info); 244447db213Sbellard } 245447db213Sbellard break; 2469de5e440Sbellard case EXCP04_INTO: 2479de5e440Sbellard case EXCP05_BOUND: 248bc8a22ccSbellard if (env->eflags & VM_MASK) { 249447db213Sbellard handle_vm86_trap(env, trapnr); 250bc8a22ccSbellard } else { 2519de5e440Sbellard info.si_signo = SIGSEGV; 2529de5e440Sbellard info.si_errno = 0; 253b689bc57Sbellard info.si_code = TARGET_SI_KERNEL; 2549de5e440Sbellard info._sifields._sigfault._addr = 0; 2559de5e440Sbellard queue_signal(info.si_signo, &info); 256bc8a22ccSbellard } 2579de5e440Sbellard break; 2589de5e440Sbellard case EXCP06_ILLOP: 2599de5e440Sbellard info.si_signo = SIGILL; 2609de5e440Sbellard info.si_errno = 0; 2619de5e440Sbellard info.si_code = TARGET_ILL_ILLOPN; 2629de5e440Sbellard info._sifields._sigfault._addr = env->eip; 2639de5e440Sbellard queue_signal(info.si_signo, &info); 2649de5e440Sbellard break; 2659de5e440Sbellard case EXCP_INTERRUPT: 2669de5e440Sbellard /* just indicate that signals should be handled asap */ 2679de5e440Sbellard break; 2681fddef4bSbellard case EXCP_DEBUG: 2691fddef4bSbellard { 2701fddef4bSbellard int sig; 2711fddef4bSbellard 2721fddef4bSbellard sig = gdb_handlesig (env, TARGET_SIGTRAP); 2731fddef4bSbellard if (sig) 2741fddef4bSbellard { 2751fddef4bSbellard info.si_signo = sig; 2761fddef4bSbellard info.si_errno = 0; 2771fddef4bSbellard info.si_code = TARGET_TRAP_BRKPT; 2781fddef4bSbellard queue_signal(info.si_signo, &info); 2791fddef4bSbellard } 2801fddef4bSbellard } 2811fddef4bSbellard break; 2821b6b029eSbellard default: 283970a87a6Sbellard pc = env->segs[R_CS].base + env->eip; 284bc8a22ccSbellard fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", 285bc8a22ccSbellard (long)pc, trapnr); 2861b6b029eSbellard abort(); 2871b6b029eSbellard } 28866fb9763Sbellard process_pending_signals(env); 2891b6b029eSbellard } 2901b6b029eSbellard } 291b346ff46Sbellard #endif 292b346ff46Sbellard 293b346ff46Sbellard #ifdef TARGET_ARM 294b346ff46Sbellard 2956f1f31c0Sbellard /* XXX: find a better solution */ 2966f1f31c0Sbellard extern void tb_invalidate_page_range(target_ulong start, target_ulong end); 2976f1f31c0Sbellard 2986f1f31c0Sbellard static void arm_cache_flush(target_ulong start, target_ulong last) 2996f1f31c0Sbellard { 3006f1f31c0Sbellard target_ulong addr, last1; 3016f1f31c0Sbellard 3026f1f31c0Sbellard if (last < start) 3036f1f31c0Sbellard return; 3046f1f31c0Sbellard addr = start; 3056f1f31c0Sbellard for(;;) { 3066f1f31c0Sbellard last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1; 3076f1f31c0Sbellard if (last1 > last) 3086f1f31c0Sbellard last1 = last; 3096f1f31c0Sbellard tb_invalidate_page_range(addr, last1 + 1); 3106f1f31c0Sbellard if (last1 == last) 3116f1f31c0Sbellard break; 3126f1f31c0Sbellard addr = last1 + 1; 3136f1f31c0Sbellard } 3146f1f31c0Sbellard } 3156f1f31c0Sbellard 316b346ff46Sbellard void cpu_loop(CPUARMState *env) 317b346ff46Sbellard { 318b346ff46Sbellard int trapnr; 319b346ff46Sbellard unsigned int n, insn; 320b346ff46Sbellard target_siginfo_t info; 321b5ff1b31Sbellard uint32_t addr; 322b346ff46Sbellard 323b346ff46Sbellard for(;;) { 324b346ff46Sbellard trapnr = cpu_arm_exec(env); 325b346ff46Sbellard switch(trapnr) { 326b346ff46Sbellard case EXCP_UDEF: 327c6981055Sbellard { 328c6981055Sbellard TaskState *ts = env->opaque; 329c6981055Sbellard uint32_t opcode; 330c6981055Sbellard 331c6981055Sbellard /* we handle the FPU emulation here, as Linux */ 332c6981055Sbellard /* we get the opcode */ 33353a5960aSpbrook opcode = tget32(env->regs[15]); 334c6981055Sbellard 33519b045deSpbrook if (EmulateAll(opcode, &ts->fpa, env) == 0) { 336b346ff46Sbellard info.si_signo = SIGILL; 337b346ff46Sbellard info.si_errno = 0; 338b346ff46Sbellard info.si_code = TARGET_ILL_ILLOPN; 339b346ff46Sbellard info._sifields._sigfault._addr = env->regs[15]; 340b346ff46Sbellard queue_signal(info.si_signo, &info); 341c6981055Sbellard } else { 342c6981055Sbellard /* increment PC */ 343c6981055Sbellard env->regs[15] += 4; 344c6981055Sbellard } 345c6981055Sbellard } 346b346ff46Sbellard break; 347b346ff46Sbellard case EXCP_SWI: 34806c949e6Spbrook case EXCP_BKPT: 349b346ff46Sbellard { 350ce4defa0Spbrook env->eabi = 1; 351b346ff46Sbellard /* system call */ 35206c949e6Spbrook if (trapnr == EXCP_BKPT) { 35306c949e6Spbrook if (env->thumb) { 35453a5960aSpbrook insn = tget16(env->regs[15]); 35506c949e6Spbrook n = insn & 0xff; 35606c949e6Spbrook env->regs[15] += 2; 35706c949e6Spbrook } else { 35853a5960aSpbrook insn = tget32(env->regs[15]); 35906c949e6Spbrook n = (insn & 0xf) | ((insn >> 4) & 0xff0); 36006c949e6Spbrook env->regs[15] += 4; 36106c949e6Spbrook } 36206c949e6Spbrook } else { 363192c7bd9Sbellard if (env->thumb) { 36453a5960aSpbrook insn = tget16(env->regs[15] - 2); 365192c7bd9Sbellard n = insn & 0xff; 366192c7bd9Sbellard } else { 36753a5960aSpbrook insn = tget32(env->regs[15] - 4); 368b346ff46Sbellard n = insn & 0xffffff; 369192c7bd9Sbellard } 37006c949e6Spbrook } 371192c7bd9Sbellard 3726f1f31c0Sbellard if (n == ARM_NR_cacheflush) { 3736f1f31c0Sbellard arm_cache_flush(env->regs[0], env->regs[1]); 374a4f81979Sbellard } else if (n == ARM_NR_semihosting 375a4f81979Sbellard || n == ARM_NR_thumb_semihosting) { 376a4f81979Sbellard env->regs[0] = do_arm_semihosting (env); 377ce4defa0Spbrook } else if (n == 0 || n >= ARM_SYSCALL_BASE 378192c7bd9Sbellard || (env->thumb && n == ARM_THUMB_SYSCALL)) { 379b346ff46Sbellard /* linux syscall */ 380ce4defa0Spbrook if (env->thumb || n == 0) { 381192c7bd9Sbellard n = env->regs[7]; 382192c7bd9Sbellard } else { 383b346ff46Sbellard n -= ARM_SYSCALL_BASE; 384ce4defa0Spbrook env->eabi = 0; 385192c7bd9Sbellard } 386b346ff46Sbellard env->regs[0] = do_syscall(env, 387b346ff46Sbellard n, 388b346ff46Sbellard env->regs[0], 389b346ff46Sbellard env->regs[1], 390b346ff46Sbellard env->regs[2], 391b346ff46Sbellard env->regs[3], 392b346ff46Sbellard env->regs[4], 393e1a2849cSbellard env->regs[5]); 394b346ff46Sbellard } else { 395b346ff46Sbellard goto error; 396b346ff46Sbellard } 397b346ff46Sbellard } 398b346ff46Sbellard break; 39943fff238Sbellard case EXCP_INTERRUPT: 40043fff238Sbellard /* just indicate that signals should be handled asap */ 40143fff238Sbellard break; 40268016c62Sbellard case EXCP_PREFETCH_ABORT: 403b5ff1b31Sbellard addr = env->cp15.c6_data; 404b5ff1b31Sbellard goto do_segv; 40568016c62Sbellard case EXCP_DATA_ABORT: 406b5ff1b31Sbellard addr = env->cp15.c6_insn; 407b5ff1b31Sbellard goto do_segv; 408b5ff1b31Sbellard do_segv: 40968016c62Sbellard { 41068016c62Sbellard info.si_signo = SIGSEGV; 41168016c62Sbellard info.si_errno = 0; 41268016c62Sbellard /* XXX: check env->error_code */ 41368016c62Sbellard info.si_code = TARGET_SEGV_MAPERR; 414b5ff1b31Sbellard info._sifields._sigfault._addr = addr; 41568016c62Sbellard queue_signal(info.si_signo, &info); 41668016c62Sbellard } 41768016c62Sbellard break; 4181fddef4bSbellard case EXCP_DEBUG: 4191fddef4bSbellard { 4201fddef4bSbellard int sig; 4211fddef4bSbellard 4221fddef4bSbellard sig = gdb_handlesig (env, TARGET_SIGTRAP); 4231fddef4bSbellard if (sig) 4241fddef4bSbellard { 4251fddef4bSbellard info.si_signo = sig; 4261fddef4bSbellard info.si_errno = 0; 4271fddef4bSbellard info.si_code = TARGET_TRAP_BRKPT; 4281fddef4bSbellard queue_signal(info.si_signo, &info); 4291fddef4bSbellard } 4301fddef4bSbellard } 4311fddef4bSbellard break; 432b346ff46Sbellard default: 433b346ff46Sbellard error: 434b346ff46Sbellard fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 435b346ff46Sbellard trapnr); 4367fe48483Sbellard cpu_dump_state(env, stderr, fprintf, 0); 437b346ff46Sbellard abort(); 438b346ff46Sbellard } 439b346ff46Sbellard process_pending_signals(env); 440b346ff46Sbellard } 441b346ff46Sbellard } 442b346ff46Sbellard 443b346ff46Sbellard #endif 4441b6b029eSbellard 44593ac68bcSbellard #ifdef TARGET_SPARC 44693ac68bcSbellard 447060366c5Sbellard //#define DEBUG_WIN 448060366c5Sbellard 4492623cbafSbellard /* WARNING: dealing with register windows _is_ complicated. More info 4502623cbafSbellard can be found at http://www.sics.se/~psm/sparcstack.html */ 451060366c5Sbellard static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) 452060366c5Sbellard { 453060366c5Sbellard index = (index + cwp * 16) & (16 * NWINDOWS - 1); 454060366c5Sbellard /* wrap handling : if cwp is on the last window, then we use the 455060366c5Sbellard registers 'after' the end */ 456060366c5Sbellard if (index < 8 && env->cwp == (NWINDOWS - 1)) 457060366c5Sbellard index += (16 * NWINDOWS); 458060366c5Sbellard return index; 459060366c5Sbellard } 460060366c5Sbellard 4612623cbafSbellard /* save the register window 'cwp1' */ 4622623cbafSbellard static inline void save_window_offset(CPUSPARCState *env, int cwp1) 463060366c5Sbellard { 4642623cbafSbellard unsigned int i; 46553a5960aSpbrook target_ulong sp_ptr; 466060366c5Sbellard 46753a5960aSpbrook sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; 468060366c5Sbellard #if defined(DEBUG_WIN) 469060366c5Sbellard printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n", 470060366c5Sbellard (int)sp_ptr, cwp1); 471060366c5Sbellard #endif 4722623cbafSbellard for(i = 0; i < 16; i++) { 47353a5960aSpbrook tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]); 47453a5960aSpbrook sp_ptr += sizeof(target_ulong); 4752623cbafSbellard } 476060366c5Sbellard } 477060366c5Sbellard 478060366c5Sbellard static void save_window(CPUSPARCState *env) 479060366c5Sbellard { 4805ef54116Sbellard #ifndef TARGET_SPARC64 4812623cbafSbellard unsigned int new_wim; 4822623cbafSbellard new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) & 4832623cbafSbellard ((1LL << NWINDOWS) - 1); 4842623cbafSbellard save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); 4852623cbafSbellard env->wim = new_wim; 4865ef54116Sbellard #else 4875ef54116Sbellard save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); 4885ef54116Sbellard env->cansave++; 4895ef54116Sbellard env->canrestore--; 4905ef54116Sbellard #endif 491060366c5Sbellard } 492060366c5Sbellard 493060366c5Sbellard static void restore_window(CPUSPARCState *env) 494060366c5Sbellard { 495060366c5Sbellard unsigned int new_wim, i, cwp1; 49653a5960aSpbrook target_ulong sp_ptr; 497060366c5Sbellard 498060366c5Sbellard new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) & 499060366c5Sbellard ((1LL << NWINDOWS) - 1); 500060366c5Sbellard 501060366c5Sbellard /* restore the invalid window */ 502060366c5Sbellard cwp1 = (env->cwp + 1) & (NWINDOWS - 1); 50353a5960aSpbrook sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; 504060366c5Sbellard #if defined(DEBUG_WIN) 505060366c5Sbellard printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n", 506060366c5Sbellard (int)sp_ptr, cwp1); 507060366c5Sbellard #endif 5082623cbafSbellard for(i = 0; i < 16; i++) { 50953a5960aSpbrook env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr); 51053a5960aSpbrook sp_ptr += sizeof(target_ulong); 5112623cbafSbellard } 512060366c5Sbellard env->wim = new_wim; 5135ef54116Sbellard #ifdef TARGET_SPARC64 5145ef54116Sbellard env->canrestore++; 5155ef54116Sbellard if (env->cleanwin < NWINDOWS - 1) 5165ef54116Sbellard env->cleanwin++; 5175ef54116Sbellard env->cansave--; 5185ef54116Sbellard #endif 519060366c5Sbellard } 520060366c5Sbellard 521060366c5Sbellard static void flush_windows(CPUSPARCState *env) 522060366c5Sbellard { 523060366c5Sbellard int offset, cwp1; 5242623cbafSbellard 5252623cbafSbellard offset = 1; 526060366c5Sbellard for(;;) { 527060366c5Sbellard /* if restore would invoke restore_window(), then we can stop */ 5282623cbafSbellard cwp1 = (env->cwp + offset) & (NWINDOWS - 1); 529060366c5Sbellard if (env->wim & (1 << cwp1)) 530060366c5Sbellard break; 5312623cbafSbellard save_window_offset(env, cwp1); 532060366c5Sbellard offset++; 533060366c5Sbellard } 5342623cbafSbellard /* set wim so that restore will reload the registers */ 5352623cbafSbellard cwp1 = (env->cwp + 1) & (NWINDOWS - 1); 5362623cbafSbellard env->wim = 1 << cwp1; 5372623cbafSbellard #if defined(DEBUG_WIN) 5382623cbafSbellard printf("flush_windows: nb=%d\n", offset - 1); 53980a9d035Sbellard #endif 5402623cbafSbellard } 541060366c5Sbellard 54293ac68bcSbellard void cpu_loop (CPUSPARCState *env) 54393ac68bcSbellard { 544060366c5Sbellard int trapnr, ret; 54561ff6f58Sbellard target_siginfo_t info; 54693ac68bcSbellard 54793ac68bcSbellard while (1) { 54893ac68bcSbellard trapnr = cpu_sparc_exec (env); 54993ac68bcSbellard 55093ac68bcSbellard switch (trapnr) { 5515ef54116Sbellard #ifndef TARGET_SPARC64 552060366c5Sbellard case 0x88: 553060366c5Sbellard case 0x90: 5545ef54116Sbellard #else 5555ef54116Sbellard case 0x16d: 5565ef54116Sbellard #endif 557060366c5Sbellard ret = do_syscall (env, env->gregs[1], 558060366c5Sbellard env->regwptr[0], env->regwptr[1], 559060366c5Sbellard env->regwptr[2], env->regwptr[3], 560060366c5Sbellard env->regwptr[4], env->regwptr[5]); 561060366c5Sbellard if ((unsigned int)ret >= (unsigned int)(-515)) { 56227908725Sbellard #ifdef TARGET_SPARC64 56327908725Sbellard env->xcc |= PSR_CARRY; 56427908725Sbellard #else 56593ac68bcSbellard env->psr |= PSR_CARRY; 56627908725Sbellard #endif 567060366c5Sbellard ret = -ret; 568060366c5Sbellard } else { 56927908725Sbellard #ifdef TARGET_SPARC64 57027908725Sbellard env->xcc &= ~PSR_CARRY; 57127908725Sbellard #else 572060366c5Sbellard env->psr &= ~PSR_CARRY; 57327908725Sbellard #endif 574060366c5Sbellard } 575060366c5Sbellard env->regwptr[0] = ret; 576060366c5Sbellard /* next instruction */ 577060366c5Sbellard env->pc = env->npc; 578060366c5Sbellard env->npc = env->npc + 4; 579060366c5Sbellard break; 580060366c5Sbellard case 0x83: /* flush windows */ 5812623cbafSbellard flush_windows(env); 582060366c5Sbellard /* next instruction */ 583060366c5Sbellard env->pc = env->npc; 584060366c5Sbellard env->npc = env->npc + 4; 585060366c5Sbellard break; 5863475187dSbellard #ifndef TARGET_SPARC64 587060366c5Sbellard case TT_WIN_OVF: /* window overflow */ 588060366c5Sbellard save_window(env); 589060366c5Sbellard break; 590060366c5Sbellard case TT_WIN_UNF: /* window underflow */ 591060366c5Sbellard restore_window(env); 59293ac68bcSbellard break; 59361ff6f58Sbellard case TT_TFAULT: 59461ff6f58Sbellard case TT_DFAULT: 59561ff6f58Sbellard { 59661ff6f58Sbellard info.si_signo = SIGSEGV; 59761ff6f58Sbellard info.si_errno = 0; 59861ff6f58Sbellard /* XXX: check env->error_code */ 59961ff6f58Sbellard info.si_code = TARGET_SEGV_MAPERR; 60061ff6f58Sbellard info._sifields._sigfault._addr = env->mmuregs[4]; 60161ff6f58Sbellard queue_signal(info.si_signo, &info); 60261ff6f58Sbellard } 60361ff6f58Sbellard break; 6043475187dSbellard #else 6055ef54116Sbellard case TT_SPILL: /* window overflow */ 6065ef54116Sbellard save_window(env); 6075ef54116Sbellard break; 6085ef54116Sbellard case TT_FILL: /* window underflow */ 6095ef54116Sbellard restore_window(env); 6105ef54116Sbellard break; 6113475187dSbellard // XXX 6123475187dSbellard #endif 61348dc41ebSbellard case EXCP_INTERRUPT: 61448dc41ebSbellard /* just indicate that signals should be handled asap */ 615e80cfcfcSbellard break; 6161fddef4bSbellard case EXCP_DEBUG: 6171fddef4bSbellard { 6181fddef4bSbellard int sig; 6191fddef4bSbellard 6201fddef4bSbellard sig = gdb_handlesig (env, TARGET_SIGTRAP); 6211fddef4bSbellard if (sig) 6221fddef4bSbellard { 6231fddef4bSbellard info.si_signo = sig; 6241fddef4bSbellard info.si_errno = 0; 6251fddef4bSbellard info.si_code = TARGET_TRAP_BRKPT; 6261fddef4bSbellard queue_signal(info.si_signo, &info); 6271fddef4bSbellard } 6281fddef4bSbellard } 6291fddef4bSbellard break; 63093ac68bcSbellard default: 631060366c5Sbellard printf ("Unhandled trap: 0x%x\n", trapnr); 6327fe48483Sbellard cpu_dump_state(env, stderr, fprintf, 0); 63393ac68bcSbellard exit (1); 63493ac68bcSbellard } 63593ac68bcSbellard process_pending_signals (env); 63693ac68bcSbellard } 63793ac68bcSbellard } 63893ac68bcSbellard 63993ac68bcSbellard #endif 64093ac68bcSbellard 64167867308Sbellard #ifdef TARGET_PPC 6429fddaa0cSbellard 6439fddaa0cSbellard static inline uint64_t cpu_ppc_get_tb (CPUState *env) 6449fddaa0cSbellard { 6459fddaa0cSbellard /* TO FIX */ 6469fddaa0cSbellard return 0; 6479fddaa0cSbellard } 6489fddaa0cSbellard 6499fddaa0cSbellard uint32_t cpu_ppc_load_tbl (CPUState *env) 6509fddaa0cSbellard { 6519fddaa0cSbellard return cpu_ppc_get_tb(env) & 0xFFFFFFFF; 6529fddaa0cSbellard } 6539fddaa0cSbellard 6549fddaa0cSbellard uint32_t cpu_ppc_load_tbu (CPUState *env) 6559fddaa0cSbellard { 6569fddaa0cSbellard return cpu_ppc_get_tb(env) >> 32; 6579fddaa0cSbellard } 6589fddaa0cSbellard 6599fddaa0cSbellard static void cpu_ppc_store_tb (CPUState *env, uint64_t value) 6609fddaa0cSbellard { 6619fddaa0cSbellard /* TO FIX */ 6629fddaa0cSbellard } 6639fddaa0cSbellard 6649fddaa0cSbellard void cpu_ppc_store_tbu (CPUState *env, uint32_t value) 6659fddaa0cSbellard { 6669fddaa0cSbellard cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env)); 6679fddaa0cSbellard } 6689fddaa0cSbellard 6699fddaa0cSbellard void cpu_ppc_store_tbl (CPUState *env, uint32_t value) 6709fddaa0cSbellard { 6719fddaa0cSbellard cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value); 6729fddaa0cSbellard } 6739fddaa0cSbellard 67476a66253Sj_mayer void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value) 67576a66253Sj_mayer __attribute__ (( alias ("cpu_ppc_store_tbu") )); 67676a66253Sj_mayer 67776a66253Sj_mayer uint32_t cpu_ppc601_load_rtcu (CPUState *env) 67876a66253Sj_mayer __attribute__ (( alias ("cpu_ppc_load_tbu") )); 67976a66253Sj_mayer 68076a66253Sj_mayer void cpu_ppc601_store_rtcl (CPUState *env, uint32_t value) 6819fddaa0cSbellard { 68276a66253Sj_mayer cpu_ppc_store_tbl(env, value & 0x3FFFFF80); 6839fddaa0cSbellard } 6849fddaa0cSbellard 68576a66253Sj_mayer uint32_t cpu_ppc601_load_rtcl (CPUState *env) 6869fddaa0cSbellard { 68776a66253Sj_mayer return cpu_ppc_load_tbl(env) & 0x3FFFFF80; 6889fddaa0cSbellard } 6899fddaa0cSbellard 69067867308Sbellard void cpu_loop(CPUPPCState *env) 69167867308Sbellard { 69267867308Sbellard target_siginfo_t info; 69361190b14Sbellard int trapnr; 69461190b14Sbellard uint32_t ret; 69567867308Sbellard 69667867308Sbellard for(;;) { 69767867308Sbellard trapnr = cpu_ppc_exec(env); 69861190b14Sbellard if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH && 69961190b14Sbellard trapnr != EXCP_TRACE) { 70061190b14Sbellard if (loglevel > 0) { 7017fe48483Sbellard cpu_dump_state(env, logfile, fprintf, 0); 70261190b14Sbellard } 70361190b14Sbellard } 70467867308Sbellard switch(trapnr) { 70567867308Sbellard case EXCP_NONE: 70667867308Sbellard break; 70761190b14Sbellard case EXCP_SYSCALL_USER: 70867867308Sbellard /* system call */ 70967867308Sbellard /* WARNING: 71067867308Sbellard * PPC ABI uses overflow flag in cr0 to signal an error 71167867308Sbellard * in syscalls. 71267867308Sbellard */ 71361190b14Sbellard #if 0 71461190b14Sbellard printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0], 71561190b14Sbellard env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]); 71661190b14Sbellard #endif 71767867308Sbellard env->crf[0] &= ~0x1; 71867867308Sbellard ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], 71967867308Sbellard env->gpr[5], env->gpr[6], env->gpr[7], 72067867308Sbellard env->gpr[8]); 72167867308Sbellard if (ret > (uint32_t)(-515)) { 72267867308Sbellard env->crf[0] |= 0x1; 72367867308Sbellard ret = -ret; 72467867308Sbellard } 72567867308Sbellard env->gpr[3] = ret; 72661190b14Sbellard #if 0 72761190b14Sbellard printf("syscall returned 0x%08x (%d)\n", ret, ret); 72861190b14Sbellard #endif 72961190b14Sbellard break; 73061190b14Sbellard case EXCP_RESET: 73161190b14Sbellard /* Should not happen ! */ 73261190b14Sbellard fprintf(stderr, "RESET asked... Stop emulation\n"); 73361190b14Sbellard if (loglevel) 73461190b14Sbellard fprintf(logfile, "RESET asked... Stop emulation\n"); 73561190b14Sbellard abort(); 73661190b14Sbellard case EXCP_MACHINE_CHECK: 73761190b14Sbellard fprintf(stderr, "Machine check exeption... Stop emulation\n"); 73861190b14Sbellard if (loglevel) 73961190b14Sbellard fprintf(logfile, "RESET asked... Stop emulation\n"); 74061190b14Sbellard info.si_signo = TARGET_SIGBUS; 74161190b14Sbellard info.si_errno = 0; 74261190b14Sbellard info.si_code = TARGET_BUS_OBJERR; 74361190b14Sbellard info._sifields._sigfault._addr = env->nip - 4; 74461190b14Sbellard queue_signal(info.si_signo, &info); 74561190b14Sbellard case EXCP_DSI: 7463fc6c082Sbellard fprintf(stderr, "Invalid data memory access: 0x%08x\n", 7473fc6c082Sbellard env->spr[SPR_DAR]); 74861190b14Sbellard if (loglevel) { 74961190b14Sbellard fprintf(logfile, "Invalid data memory access: 0x%08x\n", 7503fc6c082Sbellard env->spr[SPR_DAR]); 75161190b14Sbellard } 7522be0071fSbellard switch (env->error_code & 0xFF000000) { 7532be0071fSbellard case 0x40000000: 75461190b14Sbellard info.si_signo = TARGET_SIGSEGV; 75561190b14Sbellard info.si_errno = 0; 75661190b14Sbellard info.si_code = TARGET_SEGV_MAPERR; 75761190b14Sbellard break; 7582be0071fSbellard case 0x04000000: 75961190b14Sbellard info.si_signo = TARGET_SIGILL; 76061190b14Sbellard info.si_errno = 0; 76161190b14Sbellard info.si_code = TARGET_ILL_ILLADR; 76261190b14Sbellard break; 7632be0071fSbellard case 0x08000000: 76461190b14Sbellard info.si_signo = TARGET_SIGSEGV; 76561190b14Sbellard info.si_errno = 0; 76661190b14Sbellard info.si_code = TARGET_SEGV_ACCERR; 76761190b14Sbellard break; 76861190b14Sbellard default: 76961190b14Sbellard /* Let's send a regular segfault... */ 77061190b14Sbellard fprintf(stderr, "Invalid segfault errno (%02x)\n", 77161190b14Sbellard env->error_code); 77261190b14Sbellard if (loglevel) { 77361190b14Sbellard fprintf(logfile, "Invalid segfault errno (%02x)\n", 77461190b14Sbellard env->error_code); 77561190b14Sbellard } 77661190b14Sbellard info.si_signo = TARGET_SIGSEGV; 77761190b14Sbellard info.si_errno = 0; 77861190b14Sbellard info.si_code = TARGET_SEGV_MAPERR; 77967867308Sbellard break; 78067867308Sbellard } 78161190b14Sbellard info._sifields._sigfault._addr = env->nip; 78261190b14Sbellard queue_signal(info.si_signo, &info); 78361190b14Sbellard break; 78461190b14Sbellard case EXCP_ISI: 78561190b14Sbellard fprintf(stderr, "Invalid instruction fetch\n"); 78661190b14Sbellard if (loglevel) 78761190b14Sbellard fprintf(logfile, "Invalid instruction fetch\n"); 7882be0071fSbellard switch (env->error_code & 0xFF000000) { 7892be0071fSbellard case 0x40000000: 79061190b14Sbellard info.si_signo = TARGET_SIGSEGV; 79161190b14Sbellard info.si_errno = 0; 79261190b14Sbellard info.si_code = TARGET_SEGV_MAPERR; 79361190b14Sbellard break; 7942be0071fSbellard case 0x10000000: 7952be0071fSbellard case 0x08000000: 79661190b14Sbellard info.si_signo = TARGET_SIGSEGV; 79761190b14Sbellard info.si_errno = 0; 79861190b14Sbellard info.si_code = TARGET_SEGV_ACCERR; 79961190b14Sbellard break; 80067867308Sbellard default: 80161190b14Sbellard /* Let's send a regular segfault... */ 80261190b14Sbellard fprintf(stderr, "Invalid segfault errno (%02x)\n", 80361190b14Sbellard env->error_code); 80461190b14Sbellard if (loglevel) { 80561190b14Sbellard fprintf(logfile, "Invalid segfault errno (%02x)\n", 80661190b14Sbellard env->error_code); 80761190b14Sbellard } 80861190b14Sbellard info.si_signo = TARGET_SIGSEGV; 80961190b14Sbellard info.si_errno = 0; 81061190b14Sbellard info.si_code = TARGET_SEGV_MAPERR; 81161190b14Sbellard break; 81261190b14Sbellard } 81361190b14Sbellard info._sifields._sigfault._addr = env->nip - 4; 81461190b14Sbellard queue_signal(info.si_signo, &info); 81561190b14Sbellard break; 81661190b14Sbellard case EXCP_EXTERNAL: 81761190b14Sbellard /* Should not happen ! */ 81861190b14Sbellard fprintf(stderr, "External interruption... Stop emulation\n"); 81961190b14Sbellard if (loglevel) 82061190b14Sbellard fprintf(logfile, "External interruption... Stop emulation\n"); 82161190b14Sbellard abort(); 82261190b14Sbellard case EXCP_ALIGN: 82361190b14Sbellard fprintf(stderr, "Invalid unaligned memory access\n"); 82461190b14Sbellard if (loglevel) 82561190b14Sbellard fprintf(logfile, "Invalid unaligned memory access\n"); 82661190b14Sbellard info.si_signo = TARGET_SIGBUS; 82761190b14Sbellard info.si_errno = 0; 82861190b14Sbellard info.si_code = TARGET_BUS_ADRALN; 82961190b14Sbellard info._sifields._sigfault._addr = env->nip - 4; 83061190b14Sbellard queue_signal(info.si_signo, &info); 83161190b14Sbellard break; 83261190b14Sbellard case EXCP_PROGRAM: 83361190b14Sbellard switch (env->error_code & ~0xF) { 83461190b14Sbellard case EXCP_FP: 83561190b14Sbellard fprintf(stderr, "Program exception\n"); 83661190b14Sbellard if (loglevel) 83761190b14Sbellard fprintf(logfile, "Program exception\n"); 83861190b14Sbellard /* Set FX */ 83961190b14Sbellard env->fpscr[7] |= 0x8; 84061190b14Sbellard /* Finally, update FEX */ 84161190b14Sbellard if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) & 84261190b14Sbellard ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3))) 84361190b14Sbellard env->fpscr[7] |= 0x4; 84461190b14Sbellard info.si_signo = TARGET_SIGFPE; 84561190b14Sbellard info.si_errno = 0; 84661190b14Sbellard switch (env->error_code & 0xF) { 84761190b14Sbellard case EXCP_FP_OX: 84861190b14Sbellard info.si_code = TARGET_FPE_FLTOVF; 84961190b14Sbellard break; 85061190b14Sbellard case EXCP_FP_UX: 85161190b14Sbellard info.si_code = TARGET_FPE_FLTUND; 85261190b14Sbellard break; 85361190b14Sbellard case EXCP_FP_ZX: 85461190b14Sbellard case EXCP_FP_VXZDZ: 85561190b14Sbellard info.si_code = TARGET_FPE_FLTDIV; 85661190b14Sbellard break; 85761190b14Sbellard case EXCP_FP_XX: 85861190b14Sbellard info.si_code = TARGET_FPE_FLTRES; 85961190b14Sbellard break; 86061190b14Sbellard case EXCP_FP_VXSOFT: 86161190b14Sbellard info.si_code = TARGET_FPE_FLTINV; 86261190b14Sbellard break; 86361190b14Sbellard case EXCP_FP_VXNAN: 86461190b14Sbellard case EXCP_FP_VXISI: 86561190b14Sbellard case EXCP_FP_VXIDI: 86661190b14Sbellard case EXCP_FP_VXIMZ: 86761190b14Sbellard case EXCP_FP_VXVC: 86861190b14Sbellard case EXCP_FP_VXSQRT: 86961190b14Sbellard case EXCP_FP_VXCVI: 87061190b14Sbellard info.si_code = TARGET_FPE_FLTSUB; 87161190b14Sbellard break; 87261190b14Sbellard default: 87361190b14Sbellard fprintf(stderr, "Unknown floating point exception " 87461190b14Sbellard "(%02x)\n", env->error_code); 87561190b14Sbellard if (loglevel) { 87661190b14Sbellard fprintf(logfile, "Unknown floating point exception " 87761190b14Sbellard "(%02x)\n", env->error_code & 0xF); 87861190b14Sbellard } 87961190b14Sbellard } 88061190b14Sbellard break; 88161190b14Sbellard case EXCP_INVAL: 88261190b14Sbellard fprintf(stderr, "Invalid instruction\n"); 88361190b14Sbellard if (loglevel) 88461190b14Sbellard fprintf(logfile, "Invalid instruction\n"); 88561190b14Sbellard info.si_signo = TARGET_SIGILL; 88661190b14Sbellard info.si_errno = 0; 88761190b14Sbellard switch (env->error_code & 0xF) { 88861190b14Sbellard case EXCP_INVAL_INVAL: 88961190b14Sbellard info.si_code = TARGET_ILL_ILLOPC; 89061190b14Sbellard break; 89161190b14Sbellard case EXCP_INVAL_LSWX: 89261190b14Sbellard info.si_code = TARGET_ILL_ILLOPN; 89361190b14Sbellard break; 89461190b14Sbellard case EXCP_INVAL_SPR: 89561190b14Sbellard info.si_code = TARGET_ILL_PRVREG; 89661190b14Sbellard break; 89761190b14Sbellard case EXCP_INVAL_FP: 89861190b14Sbellard info.si_code = TARGET_ILL_COPROC; 89961190b14Sbellard break; 90061190b14Sbellard default: 90161190b14Sbellard fprintf(stderr, "Unknown invalid operation (%02x)\n", 90261190b14Sbellard env->error_code & 0xF); 90361190b14Sbellard if (loglevel) { 90461190b14Sbellard fprintf(logfile, "Unknown invalid operation (%02x)\n", 90561190b14Sbellard env->error_code & 0xF); 90661190b14Sbellard } 90761190b14Sbellard info.si_code = TARGET_ILL_ILLADR; 90861190b14Sbellard break; 90961190b14Sbellard } 91061190b14Sbellard break; 91161190b14Sbellard case EXCP_PRIV: 91261190b14Sbellard fprintf(stderr, "Privilege violation\n"); 91361190b14Sbellard if (loglevel) 91461190b14Sbellard fprintf(logfile, "Privilege violation\n"); 91561190b14Sbellard info.si_signo = TARGET_SIGILL; 91661190b14Sbellard info.si_errno = 0; 91761190b14Sbellard switch (env->error_code & 0xF) { 91861190b14Sbellard case EXCP_PRIV_OPC: 91961190b14Sbellard info.si_code = TARGET_ILL_PRVOPC; 92061190b14Sbellard break; 92161190b14Sbellard case EXCP_PRIV_REG: 92261190b14Sbellard info.si_code = TARGET_ILL_PRVREG; 92361190b14Sbellard break; 92461190b14Sbellard default: 92561190b14Sbellard fprintf(stderr, "Unknown privilege violation (%02x)\n", 92661190b14Sbellard env->error_code & 0xF); 92761190b14Sbellard info.si_code = TARGET_ILL_PRVOPC; 92861190b14Sbellard break; 92961190b14Sbellard } 93061190b14Sbellard break; 93161190b14Sbellard case EXCP_TRAP: 93261190b14Sbellard fprintf(stderr, "Tried to call a TRAP\n"); 93361190b14Sbellard if (loglevel) 93461190b14Sbellard fprintf(logfile, "Tried to call a TRAP\n"); 93561190b14Sbellard abort(); 93661190b14Sbellard default: 93761190b14Sbellard /* Should not happen ! */ 93861190b14Sbellard fprintf(stderr, "Unknown program exception (%02x)\n", 93961190b14Sbellard env->error_code); 94061190b14Sbellard if (loglevel) { 94161190b14Sbellard fprintf(logfile, "Unknwon program exception (%02x)\n", 94261190b14Sbellard env->error_code); 94361190b14Sbellard } 94467867308Sbellard abort(); 94567867308Sbellard } 94661190b14Sbellard info._sifields._sigfault._addr = env->nip - 4; 94761190b14Sbellard queue_signal(info.si_signo, &info); 94861190b14Sbellard break; 94961190b14Sbellard case EXCP_NO_FP: 95061190b14Sbellard fprintf(stderr, "No floating point allowed\n"); 95161190b14Sbellard if (loglevel) 95261190b14Sbellard fprintf(logfile, "No floating point allowed\n"); 95361190b14Sbellard info.si_signo = TARGET_SIGILL; 95461190b14Sbellard info.si_errno = 0; 95561190b14Sbellard info.si_code = TARGET_ILL_COPROC; 95661190b14Sbellard info._sifields._sigfault._addr = env->nip - 4; 95761190b14Sbellard queue_signal(info.si_signo, &info); 95861190b14Sbellard break; 95961190b14Sbellard case EXCP_DECR: 96061190b14Sbellard /* Should not happen ! */ 96161190b14Sbellard fprintf(stderr, "Decrementer exception\n"); 96261190b14Sbellard if (loglevel) 96361190b14Sbellard fprintf(logfile, "Decrementer exception\n"); 96461190b14Sbellard abort(); 96561190b14Sbellard case EXCP_TRACE: 96661190b14Sbellard /* Do nothing: we use this to trace execution */ 96761190b14Sbellard break; 96861190b14Sbellard case EXCP_FP_ASSIST: 96961190b14Sbellard /* Should not happen ! */ 97061190b14Sbellard fprintf(stderr, "Floating point assist exception\n"); 97161190b14Sbellard if (loglevel) 97261190b14Sbellard fprintf(logfile, "Floating point assist exception\n"); 97361190b14Sbellard abort(); 97461190b14Sbellard case EXCP_MTMSR: 97561190b14Sbellard /* We reloaded the msr, just go on */ 9769fddaa0cSbellard if (msr_pr == 0) { 97761190b14Sbellard fprintf(stderr, "Tried to go into supervisor mode !\n"); 97861190b14Sbellard if (loglevel) 97961190b14Sbellard fprintf(logfile, "Tried to go into supervisor mode !\n"); 98061190b14Sbellard abort(); 98161190b14Sbellard } 98261190b14Sbellard break; 98361190b14Sbellard case EXCP_BRANCH: 98461190b14Sbellard /* We stopped because of a jump... */ 98561190b14Sbellard break; 98661190b14Sbellard case EXCP_INTERRUPT: 98761190b14Sbellard /* Don't know why this should ever happen... */ 98861190b14Sbellard break; 989a541f297Sbellard case EXCP_DEBUG: 9901fddef4bSbellard { 9911fddef4bSbellard int sig; 9921fddef4bSbellard 9931fddef4bSbellard sig = gdb_handlesig (env, TARGET_SIGTRAP); 9941fddef4bSbellard if (sig) 9951fddef4bSbellard { 9961fddef4bSbellard info.si_signo = sig; 9971fddef4bSbellard info.si_errno = 0; 9981fddef4bSbellard info.si_code = TARGET_TRAP_BRKPT; 9991fddef4bSbellard queue_signal(info.si_signo, &info); 10001fddef4bSbellard } 10011fddef4bSbellard } 1002a541f297Sbellard break; 100361190b14Sbellard default: 100461190b14Sbellard fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 100561190b14Sbellard trapnr); 100661190b14Sbellard if (loglevel) { 100761190b14Sbellard fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - " 100861190b14Sbellard "0x%02x - aborting\n", trapnr, env->error_code); 100961190b14Sbellard } 101061190b14Sbellard abort(); 101161190b14Sbellard } 101267867308Sbellard process_pending_signals(env); 101367867308Sbellard } 101467867308Sbellard } 101567867308Sbellard #endif 101667867308Sbellard 1017048f6b4dSbellard #ifdef TARGET_MIPS 1018048f6b4dSbellard 1019048f6b4dSbellard #define MIPS_SYS(name, args) args, 1020048f6b4dSbellard 1021048f6b4dSbellard static const uint8_t mips_syscall_args[] = { 1022048f6b4dSbellard MIPS_SYS(sys_syscall , 0) /* 4000 */ 1023048f6b4dSbellard MIPS_SYS(sys_exit , 1) 1024048f6b4dSbellard MIPS_SYS(sys_fork , 0) 1025048f6b4dSbellard MIPS_SYS(sys_read , 3) 1026048f6b4dSbellard MIPS_SYS(sys_write , 3) 1027048f6b4dSbellard MIPS_SYS(sys_open , 3) /* 4005 */ 1028048f6b4dSbellard MIPS_SYS(sys_close , 1) 1029048f6b4dSbellard MIPS_SYS(sys_waitpid , 3) 1030048f6b4dSbellard MIPS_SYS(sys_creat , 2) 1031048f6b4dSbellard MIPS_SYS(sys_link , 2) 1032048f6b4dSbellard MIPS_SYS(sys_unlink , 1) /* 4010 */ 1033048f6b4dSbellard MIPS_SYS(sys_execve , 0) 1034048f6b4dSbellard MIPS_SYS(sys_chdir , 1) 1035048f6b4dSbellard MIPS_SYS(sys_time , 1) 1036048f6b4dSbellard MIPS_SYS(sys_mknod , 3) 1037048f6b4dSbellard MIPS_SYS(sys_chmod , 2) /* 4015 */ 1038048f6b4dSbellard MIPS_SYS(sys_lchown , 3) 1039048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1040048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ 1041048f6b4dSbellard MIPS_SYS(sys_lseek , 3) 1042048f6b4dSbellard MIPS_SYS(sys_getpid , 0) /* 4020 */ 1043048f6b4dSbellard MIPS_SYS(sys_mount , 5) 1044048f6b4dSbellard MIPS_SYS(sys_oldumount , 1) 1045048f6b4dSbellard MIPS_SYS(sys_setuid , 1) 1046048f6b4dSbellard MIPS_SYS(sys_getuid , 0) 1047048f6b4dSbellard MIPS_SYS(sys_stime , 1) /* 4025 */ 1048048f6b4dSbellard MIPS_SYS(sys_ptrace , 4) 1049048f6b4dSbellard MIPS_SYS(sys_alarm , 1) 1050048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ 1051048f6b4dSbellard MIPS_SYS(sys_pause , 0) 1052048f6b4dSbellard MIPS_SYS(sys_utime , 2) /* 4030 */ 1053048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1054048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1055048f6b4dSbellard MIPS_SYS(sys_access , 2) 1056048f6b4dSbellard MIPS_SYS(sys_nice , 1) 1057048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ 1058048f6b4dSbellard MIPS_SYS(sys_sync , 0) 1059048f6b4dSbellard MIPS_SYS(sys_kill , 2) 1060048f6b4dSbellard MIPS_SYS(sys_rename , 2) 1061048f6b4dSbellard MIPS_SYS(sys_mkdir , 2) 1062048f6b4dSbellard MIPS_SYS(sys_rmdir , 1) /* 4040 */ 1063048f6b4dSbellard MIPS_SYS(sys_dup , 1) 1064048f6b4dSbellard MIPS_SYS(sys_pipe , 0) 1065048f6b4dSbellard MIPS_SYS(sys_times , 1) 1066048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1067048f6b4dSbellard MIPS_SYS(sys_brk , 1) /* 4045 */ 1068048f6b4dSbellard MIPS_SYS(sys_setgid , 1) 1069048f6b4dSbellard MIPS_SYS(sys_getgid , 0) 1070048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ 1071048f6b4dSbellard MIPS_SYS(sys_geteuid , 0) 1072048f6b4dSbellard MIPS_SYS(sys_getegid , 0) /* 4050 */ 1073048f6b4dSbellard MIPS_SYS(sys_acct , 0) 1074048f6b4dSbellard MIPS_SYS(sys_umount , 2) 1075048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1076048f6b4dSbellard MIPS_SYS(sys_ioctl , 3) 1077048f6b4dSbellard MIPS_SYS(sys_fcntl , 3) /* 4055 */ 1078048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 2) 1079048f6b4dSbellard MIPS_SYS(sys_setpgid , 2) 1080048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1081048f6b4dSbellard MIPS_SYS(sys_olduname , 1) 1082048f6b4dSbellard MIPS_SYS(sys_umask , 1) /* 4060 */ 1083048f6b4dSbellard MIPS_SYS(sys_chroot , 1) 1084048f6b4dSbellard MIPS_SYS(sys_ustat , 2) 1085048f6b4dSbellard MIPS_SYS(sys_dup2 , 2) 1086048f6b4dSbellard MIPS_SYS(sys_getppid , 0) 1087048f6b4dSbellard MIPS_SYS(sys_getpgrp , 0) /* 4065 */ 1088048f6b4dSbellard MIPS_SYS(sys_setsid , 0) 1089048f6b4dSbellard MIPS_SYS(sys_sigaction , 3) 1090048f6b4dSbellard MIPS_SYS(sys_sgetmask , 0) 1091048f6b4dSbellard MIPS_SYS(sys_ssetmask , 1) 1092048f6b4dSbellard MIPS_SYS(sys_setreuid , 2) /* 4070 */ 1093048f6b4dSbellard MIPS_SYS(sys_setregid , 2) 1094048f6b4dSbellard MIPS_SYS(sys_sigsuspend , 0) 1095048f6b4dSbellard MIPS_SYS(sys_sigpending , 1) 1096048f6b4dSbellard MIPS_SYS(sys_sethostname , 2) 1097048f6b4dSbellard MIPS_SYS(sys_setrlimit , 2) /* 4075 */ 1098048f6b4dSbellard MIPS_SYS(sys_getrlimit , 2) 1099048f6b4dSbellard MIPS_SYS(sys_getrusage , 2) 1100048f6b4dSbellard MIPS_SYS(sys_gettimeofday, 2) 1101048f6b4dSbellard MIPS_SYS(sys_settimeofday, 2) 1102048f6b4dSbellard MIPS_SYS(sys_getgroups , 2) /* 4080 */ 1103048f6b4dSbellard MIPS_SYS(sys_setgroups , 2) 1104048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* old_select */ 1105048f6b4dSbellard MIPS_SYS(sys_symlink , 2) 1106048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ 1107048f6b4dSbellard MIPS_SYS(sys_readlink , 3) /* 4085 */ 1108048f6b4dSbellard MIPS_SYS(sys_uselib , 1) 1109048f6b4dSbellard MIPS_SYS(sys_swapon , 2) 1110048f6b4dSbellard MIPS_SYS(sys_reboot , 3) 1111048f6b4dSbellard MIPS_SYS(old_readdir , 3) 1112048f6b4dSbellard MIPS_SYS(old_mmap , 6) /* 4090 */ 1113048f6b4dSbellard MIPS_SYS(sys_munmap , 2) 1114048f6b4dSbellard MIPS_SYS(sys_truncate , 2) 1115048f6b4dSbellard MIPS_SYS(sys_ftruncate , 2) 1116048f6b4dSbellard MIPS_SYS(sys_fchmod , 2) 1117048f6b4dSbellard MIPS_SYS(sys_fchown , 3) /* 4095 */ 1118048f6b4dSbellard MIPS_SYS(sys_getpriority , 2) 1119048f6b4dSbellard MIPS_SYS(sys_setpriority , 3) 1120048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1121048f6b4dSbellard MIPS_SYS(sys_statfs , 2) 1122048f6b4dSbellard MIPS_SYS(sys_fstatfs , 2) /* 4100 */ 1123048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ 1124048f6b4dSbellard MIPS_SYS(sys_socketcall , 2) 1125048f6b4dSbellard MIPS_SYS(sys_syslog , 3) 1126048f6b4dSbellard MIPS_SYS(sys_setitimer , 3) 1127048f6b4dSbellard MIPS_SYS(sys_getitimer , 2) /* 4105 */ 1128048f6b4dSbellard MIPS_SYS(sys_newstat , 2) 1129048f6b4dSbellard MIPS_SYS(sys_newlstat , 2) 1130048f6b4dSbellard MIPS_SYS(sys_newfstat , 2) 1131048f6b4dSbellard MIPS_SYS(sys_uname , 1) 1132048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ 1133048f6b4dSbellard MIPS_SYS(sys_vhangup , 0) 1134048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ 1135048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ 1136048f6b4dSbellard MIPS_SYS(sys_wait4 , 4) 1137048f6b4dSbellard MIPS_SYS(sys_swapoff , 1) /* 4115 */ 1138048f6b4dSbellard MIPS_SYS(sys_sysinfo , 1) 1139048f6b4dSbellard MIPS_SYS(sys_ipc , 6) 1140048f6b4dSbellard MIPS_SYS(sys_fsync , 1) 1141048f6b4dSbellard MIPS_SYS(sys_sigreturn , 0) 1142048f6b4dSbellard MIPS_SYS(sys_clone , 0) /* 4120 */ 1143048f6b4dSbellard MIPS_SYS(sys_setdomainname, 2) 1144048f6b4dSbellard MIPS_SYS(sys_newuname , 1) 1145048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ 1146048f6b4dSbellard MIPS_SYS(sys_adjtimex , 1) 1147048f6b4dSbellard MIPS_SYS(sys_mprotect , 3) /* 4125 */ 1148048f6b4dSbellard MIPS_SYS(sys_sigprocmask , 3) 1149048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ 1150048f6b4dSbellard MIPS_SYS(sys_init_module , 5) 1151048f6b4dSbellard MIPS_SYS(sys_delete_module, 1) 1152048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ 1153048f6b4dSbellard MIPS_SYS(sys_quotactl , 0) 1154048f6b4dSbellard MIPS_SYS(sys_getpgid , 1) 1155048f6b4dSbellard MIPS_SYS(sys_fchdir , 1) 1156048f6b4dSbellard MIPS_SYS(sys_bdflush , 2) 1157048f6b4dSbellard MIPS_SYS(sys_sysfs , 3) /* 4135 */ 1158048f6b4dSbellard MIPS_SYS(sys_personality , 1) 1159048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ 1160048f6b4dSbellard MIPS_SYS(sys_setfsuid , 1) 1161048f6b4dSbellard MIPS_SYS(sys_setfsgid , 1) 1162048f6b4dSbellard MIPS_SYS(sys_llseek , 5) /* 4140 */ 1163048f6b4dSbellard MIPS_SYS(sys_getdents , 3) 1164048f6b4dSbellard MIPS_SYS(sys_select , 5) 1165048f6b4dSbellard MIPS_SYS(sys_flock , 2) 1166048f6b4dSbellard MIPS_SYS(sys_msync , 3) 1167048f6b4dSbellard MIPS_SYS(sys_readv , 3) /* 4145 */ 1168048f6b4dSbellard MIPS_SYS(sys_writev , 3) 1169048f6b4dSbellard MIPS_SYS(sys_cacheflush , 3) 1170048f6b4dSbellard MIPS_SYS(sys_cachectl , 3) 1171048f6b4dSbellard MIPS_SYS(sys_sysmips , 4) 1172048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ 1173048f6b4dSbellard MIPS_SYS(sys_getsid , 1) 1174048f6b4dSbellard MIPS_SYS(sys_fdatasync , 0) 1175048f6b4dSbellard MIPS_SYS(sys_sysctl , 1) 1176048f6b4dSbellard MIPS_SYS(sys_mlock , 2) 1177048f6b4dSbellard MIPS_SYS(sys_munlock , 2) /* 4155 */ 1178048f6b4dSbellard MIPS_SYS(sys_mlockall , 1) 1179048f6b4dSbellard MIPS_SYS(sys_munlockall , 0) 1180048f6b4dSbellard MIPS_SYS(sys_sched_setparam, 2) 1181048f6b4dSbellard MIPS_SYS(sys_sched_getparam, 2) 1182048f6b4dSbellard MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ 1183048f6b4dSbellard MIPS_SYS(sys_sched_getscheduler, 1) 1184048f6b4dSbellard MIPS_SYS(sys_sched_yield , 0) 1185048f6b4dSbellard MIPS_SYS(sys_sched_get_priority_max, 1) 1186048f6b4dSbellard MIPS_SYS(sys_sched_get_priority_min, 1) 1187048f6b4dSbellard MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ 1188048f6b4dSbellard MIPS_SYS(sys_nanosleep, 2) 1189048f6b4dSbellard MIPS_SYS(sys_mremap , 4) 1190048f6b4dSbellard MIPS_SYS(sys_accept , 3) 1191048f6b4dSbellard MIPS_SYS(sys_bind , 3) 1192048f6b4dSbellard MIPS_SYS(sys_connect , 3) /* 4170 */ 1193048f6b4dSbellard MIPS_SYS(sys_getpeername , 3) 1194048f6b4dSbellard MIPS_SYS(sys_getsockname , 3) 1195048f6b4dSbellard MIPS_SYS(sys_getsockopt , 5) 1196048f6b4dSbellard MIPS_SYS(sys_listen , 2) 1197048f6b4dSbellard MIPS_SYS(sys_recv , 4) /* 4175 */ 1198048f6b4dSbellard MIPS_SYS(sys_recvfrom , 6) 1199048f6b4dSbellard MIPS_SYS(sys_recvmsg , 3) 1200048f6b4dSbellard MIPS_SYS(sys_send , 4) 1201048f6b4dSbellard MIPS_SYS(sys_sendmsg , 3) 1202048f6b4dSbellard MIPS_SYS(sys_sendto , 6) /* 4180 */ 1203048f6b4dSbellard MIPS_SYS(sys_setsockopt , 5) 1204048f6b4dSbellard MIPS_SYS(sys_shutdown , 2) 1205048f6b4dSbellard MIPS_SYS(sys_socket , 3) 1206048f6b4dSbellard MIPS_SYS(sys_socketpair , 4) 1207048f6b4dSbellard MIPS_SYS(sys_setresuid , 3) /* 4185 */ 1208048f6b4dSbellard MIPS_SYS(sys_getresuid , 3) 1209048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ 1210048f6b4dSbellard MIPS_SYS(sys_poll , 3) 1211048f6b4dSbellard MIPS_SYS(sys_nfsservctl , 3) 1212048f6b4dSbellard MIPS_SYS(sys_setresgid , 3) /* 4190 */ 1213048f6b4dSbellard MIPS_SYS(sys_getresgid , 3) 1214048f6b4dSbellard MIPS_SYS(sys_prctl , 5) 1215048f6b4dSbellard MIPS_SYS(sys_rt_sigreturn, 0) 1216048f6b4dSbellard MIPS_SYS(sys_rt_sigaction, 4) 1217048f6b4dSbellard MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ 1218048f6b4dSbellard MIPS_SYS(sys_rt_sigpending, 2) 1219048f6b4dSbellard MIPS_SYS(sys_rt_sigtimedwait, 4) 1220048f6b4dSbellard MIPS_SYS(sys_rt_sigqueueinfo, 3) 1221048f6b4dSbellard MIPS_SYS(sys_rt_sigsuspend, 0) 1222048f6b4dSbellard MIPS_SYS(sys_pread64 , 6) /* 4200 */ 1223048f6b4dSbellard MIPS_SYS(sys_pwrite64 , 6) 1224048f6b4dSbellard MIPS_SYS(sys_chown , 3) 1225048f6b4dSbellard MIPS_SYS(sys_getcwd , 2) 1226048f6b4dSbellard MIPS_SYS(sys_capget , 2) 1227048f6b4dSbellard MIPS_SYS(sys_capset , 2) /* 4205 */ 1228048f6b4dSbellard MIPS_SYS(sys_sigaltstack , 0) 1229048f6b4dSbellard MIPS_SYS(sys_sendfile , 4) 1230048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1231048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1232048f6b4dSbellard MIPS_SYS(sys_mmap2 , 6) /* 4210 */ 1233048f6b4dSbellard MIPS_SYS(sys_truncate64 , 4) 1234048f6b4dSbellard MIPS_SYS(sys_ftruncate64 , 4) 1235048f6b4dSbellard MIPS_SYS(sys_stat64 , 2) 1236048f6b4dSbellard MIPS_SYS(sys_lstat64 , 2) 1237048f6b4dSbellard MIPS_SYS(sys_fstat64 , 2) /* 4215 */ 1238048f6b4dSbellard MIPS_SYS(sys_pivot_root , 2) 1239048f6b4dSbellard MIPS_SYS(sys_mincore , 3) 1240048f6b4dSbellard MIPS_SYS(sys_madvise , 3) 1241048f6b4dSbellard MIPS_SYS(sys_getdents64 , 3) 1242048f6b4dSbellard MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ 1243048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) 1244048f6b4dSbellard MIPS_SYS(sys_gettid , 0) 1245048f6b4dSbellard MIPS_SYS(sys_readahead , 5) 1246048f6b4dSbellard MIPS_SYS(sys_setxattr , 5) 1247048f6b4dSbellard MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ 1248048f6b4dSbellard MIPS_SYS(sys_fsetxattr , 5) 1249048f6b4dSbellard MIPS_SYS(sys_getxattr , 4) 1250048f6b4dSbellard MIPS_SYS(sys_lgetxattr , 4) 1251048f6b4dSbellard MIPS_SYS(sys_fgetxattr , 4) 1252048f6b4dSbellard MIPS_SYS(sys_listxattr , 3) /* 4230 */ 1253048f6b4dSbellard MIPS_SYS(sys_llistxattr , 3) 1254048f6b4dSbellard MIPS_SYS(sys_flistxattr , 3) 1255048f6b4dSbellard MIPS_SYS(sys_removexattr , 2) 1256048f6b4dSbellard MIPS_SYS(sys_lremovexattr, 2) 1257048f6b4dSbellard MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ 1258048f6b4dSbellard MIPS_SYS(sys_tkill , 2) 1259048f6b4dSbellard MIPS_SYS(sys_sendfile64 , 5) 1260048f6b4dSbellard MIPS_SYS(sys_futex , 2) 1261048f6b4dSbellard MIPS_SYS(sys_sched_setaffinity, 3) 1262048f6b4dSbellard MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ 1263048f6b4dSbellard MIPS_SYS(sys_io_setup , 2) 1264048f6b4dSbellard MIPS_SYS(sys_io_destroy , 1) 1265048f6b4dSbellard MIPS_SYS(sys_io_getevents, 5) 1266048f6b4dSbellard MIPS_SYS(sys_io_submit , 3) 1267048f6b4dSbellard MIPS_SYS(sys_io_cancel , 3) /* 4245 */ 1268048f6b4dSbellard MIPS_SYS(sys_exit_group , 1) 1269048f6b4dSbellard MIPS_SYS(sys_lookup_dcookie, 3) 1270048f6b4dSbellard MIPS_SYS(sys_epoll_create, 1) 1271048f6b4dSbellard MIPS_SYS(sys_epoll_ctl , 4) 1272048f6b4dSbellard MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ 1273048f6b4dSbellard MIPS_SYS(sys_remap_file_pages, 5) 1274048f6b4dSbellard MIPS_SYS(sys_set_tid_address, 1) 1275048f6b4dSbellard MIPS_SYS(sys_restart_syscall, 0) 1276048f6b4dSbellard MIPS_SYS(sys_fadvise64_64, 7) 1277048f6b4dSbellard MIPS_SYS(sys_statfs64 , 3) /* 4255 */ 1278048f6b4dSbellard MIPS_SYS(sys_fstatfs64 , 2) 1279048f6b4dSbellard MIPS_SYS(sys_timer_create, 3) 1280048f6b4dSbellard MIPS_SYS(sys_timer_settime, 4) 1281048f6b4dSbellard MIPS_SYS(sys_timer_gettime, 2) 1282048f6b4dSbellard MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ 1283048f6b4dSbellard MIPS_SYS(sys_timer_delete, 1) 1284048f6b4dSbellard MIPS_SYS(sys_clock_settime, 2) 1285048f6b4dSbellard MIPS_SYS(sys_clock_gettime, 2) 1286048f6b4dSbellard MIPS_SYS(sys_clock_getres, 2) 1287048f6b4dSbellard MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ 1288048f6b4dSbellard MIPS_SYS(sys_tgkill , 3) 1289048f6b4dSbellard MIPS_SYS(sys_utimes , 2) 1290048f6b4dSbellard MIPS_SYS(sys_mbind , 4) 1291048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ 1292048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ 1293048f6b4dSbellard MIPS_SYS(sys_mq_open , 4) 1294048f6b4dSbellard MIPS_SYS(sys_mq_unlink , 1) 1295048f6b4dSbellard MIPS_SYS(sys_mq_timedsend, 5) 1296048f6b4dSbellard MIPS_SYS(sys_mq_timedreceive, 5) 1297048f6b4dSbellard MIPS_SYS(sys_mq_notify , 2) /* 4275 */ 1298048f6b4dSbellard MIPS_SYS(sys_mq_getsetattr, 3) 1299048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ 1300048f6b4dSbellard MIPS_SYS(sys_waitid , 4) 1301048f6b4dSbellard MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ 1302048f6b4dSbellard MIPS_SYS(sys_add_key , 5) 1303048f6b4dSbellard MIPS_SYS(sys_request_key , 4) 1304048f6b4dSbellard MIPS_SYS(sys_keyctl , 5) 13056f5b89a0Sths MIPS_SYS(sys_set_thread_area, 1) 1306048f6b4dSbellard }; 1307048f6b4dSbellard 1308048f6b4dSbellard #undef MIPS_SYS 1309048f6b4dSbellard 1310048f6b4dSbellard void cpu_loop(CPUMIPSState *env) 1311048f6b4dSbellard { 1312048f6b4dSbellard target_siginfo_t info; 1313048f6b4dSbellard int trapnr, ret, nb_args; 1314048f6b4dSbellard unsigned int syscall_num; 1315048f6b4dSbellard target_ulong arg5, arg6, sp_reg; 1316048f6b4dSbellard 1317048f6b4dSbellard for(;;) { 1318048f6b4dSbellard trapnr = cpu_mips_exec(env); 1319048f6b4dSbellard switch(trapnr) { 1320048f6b4dSbellard case EXCP_SYSCALL: 1321048f6b4dSbellard { 1322048f6b4dSbellard syscall_num = env->gpr[2] - 4000; 1323106ec879Sbellard env->PC += 4; 1324048f6b4dSbellard if (syscall_num >= sizeof(mips_syscall_args)) { 1325048f6b4dSbellard ret = -ENOSYS; 1326048f6b4dSbellard } else { 1327048f6b4dSbellard nb_args = mips_syscall_args[syscall_num]; 1328048f6b4dSbellard if (nb_args >= 5) { 1329048f6b4dSbellard sp_reg = env->gpr[29]; 1330048f6b4dSbellard /* these arguments are taken from the stack */ 133153a5960aSpbrook arg5 = tgetl(sp_reg + 16); 1332048f6b4dSbellard if (nb_args >= 6) { 133353a5960aSpbrook arg6 = tgetl(sp_reg + 20); 1334048f6b4dSbellard } else { 1335048f6b4dSbellard arg6 = 0; 1336048f6b4dSbellard } 1337048f6b4dSbellard } else { 1338048f6b4dSbellard arg5 = 0; 1339048f6b4dSbellard arg6 = 0; 1340048f6b4dSbellard } 1341048f6b4dSbellard ret = do_syscall(env, 1342048f6b4dSbellard env->gpr[2], 1343048f6b4dSbellard env->gpr[4], 1344048f6b4dSbellard env->gpr[5], 1345048f6b4dSbellard env->gpr[6], 1346048f6b4dSbellard env->gpr[7], 1347048f6b4dSbellard arg5, 1348048f6b4dSbellard arg6); 1349048f6b4dSbellard } 1350048f6b4dSbellard if ((unsigned int)ret >= (unsigned int)(-1133)) { 1351048f6b4dSbellard env->gpr[7] = 1; /* error flag */ 1352048f6b4dSbellard ret = -ret; 1353048f6b4dSbellard env->gpr[0] = ret; 1354048f6b4dSbellard env->gpr[2] = ret; 1355048f6b4dSbellard } else { 1356048f6b4dSbellard env->gpr[7] = 0; /* error flag */ 1357048f6b4dSbellard env->gpr[2] = ret; 1358048f6b4dSbellard } 1359048f6b4dSbellard } 1360048f6b4dSbellard break; 1361ca7c2b1bSths case EXCP_TLBL: 1362ca7c2b1bSths case EXCP_TLBS: 13636900e84bSbellard case EXCP_CpU: 1364048f6b4dSbellard case EXCP_RI: 1365048f6b4dSbellard info.si_signo = TARGET_SIGILL; 1366048f6b4dSbellard info.si_errno = 0; 1367048f6b4dSbellard info.si_code = 0; 1368048f6b4dSbellard queue_signal(info.si_signo, &info); 1369048f6b4dSbellard break; 1370106ec879Sbellard case EXCP_INTERRUPT: 1371106ec879Sbellard /* just indicate that signals should be handled asap */ 1372106ec879Sbellard break; 1373d08b2a28Spbrook case EXCP_DEBUG: 1374d08b2a28Spbrook { 1375d08b2a28Spbrook int sig; 1376d08b2a28Spbrook 1377d08b2a28Spbrook sig = gdb_handlesig (env, TARGET_SIGTRAP); 1378d08b2a28Spbrook if (sig) 1379d08b2a28Spbrook { 1380d08b2a28Spbrook info.si_signo = sig; 1381d08b2a28Spbrook info.si_errno = 0; 1382d08b2a28Spbrook info.si_code = TARGET_TRAP_BRKPT; 1383d08b2a28Spbrook queue_signal(info.si_signo, &info); 1384d08b2a28Spbrook } 1385d08b2a28Spbrook } 1386d08b2a28Spbrook break; 1387048f6b4dSbellard default: 1388048f6b4dSbellard // error: 1389048f6b4dSbellard fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 1390048f6b4dSbellard trapnr); 1391048f6b4dSbellard cpu_dump_state(env, stderr, fprintf, 0); 1392048f6b4dSbellard abort(); 1393048f6b4dSbellard } 1394048f6b4dSbellard process_pending_signals(env); 1395048f6b4dSbellard } 1396048f6b4dSbellard } 1397048f6b4dSbellard #endif 1398048f6b4dSbellard 1399fdf9b3e8Sbellard #ifdef TARGET_SH4 1400fdf9b3e8Sbellard void cpu_loop (CPUState *env) 1401fdf9b3e8Sbellard { 1402fdf9b3e8Sbellard int trapnr, ret; 1403355fb23dSpbrook target_siginfo_t info; 1404fdf9b3e8Sbellard 1405fdf9b3e8Sbellard while (1) { 1406fdf9b3e8Sbellard trapnr = cpu_sh4_exec (env); 1407fdf9b3e8Sbellard 1408fdf9b3e8Sbellard switch (trapnr) { 1409fdf9b3e8Sbellard case 0x160: 1410fdf9b3e8Sbellard ret = do_syscall(env, 14119c2a9ea1Spbrook env->gregs[3], 14129c2a9ea1Spbrook env->gregs[4], 14139c2a9ea1Spbrook env->gregs[5], 14149c2a9ea1Spbrook env->gregs[6], 14159c2a9ea1Spbrook env->gregs[7], 14169c2a9ea1Spbrook env->gregs[0], 1417fdf9b3e8Sbellard 0); 14189c2a9ea1Spbrook env->gregs[0] = ret; 1419fdf9b3e8Sbellard env->pc += 2; 1420fdf9b3e8Sbellard break; 1421355fb23dSpbrook case EXCP_DEBUG: 1422355fb23dSpbrook { 1423355fb23dSpbrook int sig; 1424355fb23dSpbrook 1425355fb23dSpbrook sig = gdb_handlesig (env, TARGET_SIGTRAP); 1426355fb23dSpbrook if (sig) 1427355fb23dSpbrook { 1428355fb23dSpbrook info.si_signo = sig; 1429355fb23dSpbrook info.si_errno = 0; 1430355fb23dSpbrook info.si_code = TARGET_TRAP_BRKPT; 1431355fb23dSpbrook queue_signal(info.si_signo, &info); 1432355fb23dSpbrook } 1433355fb23dSpbrook } 1434355fb23dSpbrook break; 1435fdf9b3e8Sbellard default: 1436fdf9b3e8Sbellard printf ("Unhandled trap: 0x%x\n", trapnr); 1437fdf9b3e8Sbellard cpu_dump_state(env, stderr, fprintf, 0); 1438fdf9b3e8Sbellard exit (1); 1439fdf9b3e8Sbellard } 1440fdf9b3e8Sbellard process_pending_signals (env); 1441fdf9b3e8Sbellard } 1442fdf9b3e8Sbellard } 1443fdf9b3e8Sbellard #endif 1444fdf9b3e8Sbellard 1445e6e5906bSpbrook #ifdef TARGET_M68K 1446e6e5906bSpbrook 1447e6e5906bSpbrook void cpu_loop(CPUM68KState *env) 1448e6e5906bSpbrook { 1449e6e5906bSpbrook int trapnr; 1450e6e5906bSpbrook unsigned int n; 1451e6e5906bSpbrook target_siginfo_t info; 1452e6e5906bSpbrook TaskState *ts = env->opaque; 1453e6e5906bSpbrook 1454e6e5906bSpbrook for(;;) { 1455e6e5906bSpbrook trapnr = cpu_m68k_exec(env); 1456e6e5906bSpbrook switch(trapnr) { 1457e6e5906bSpbrook case EXCP_ILLEGAL: 1458e6e5906bSpbrook { 1459e6e5906bSpbrook if (ts->sim_syscalls) { 1460e6e5906bSpbrook uint16_t nr; 1461e6e5906bSpbrook nr = lduw(env->pc + 2); 1462e6e5906bSpbrook env->pc += 4; 1463e6e5906bSpbrook do_m68k_simcall(env, nr); 1464e6e5906bSpbrook } else { 1465e6e5906bSpbrook goto do_sigill; 1466e6e5906bSpbrook } 1467e6e5906bSpbrook } 1468e6e5906bSpbrook break; 1469e6e5906bSpbrook case EXCP_HALTED: 1470e6e5906bSpbrook /* Semihosing syscall. */ 1471e6e5906bSpbrook env->pc += 2; 1472e6e5906bSpbrook do_m68k_semihosting(env, env->dregs[0]); 1473e6e5906bSpbrook break; 1474e6e5906bSpbrook case EXCP_LINEA: 1475e6e5906bSpbrook case EXCP_LINEF: 1476e6e5906bSpbrook case EXCP_UNSUPPORTED: 1477e6e5906bSpbrook do_sigill: 1478e6e5906bSpbrook info.si_signo = SIGILL; 1479e6e5906bSpbrook info.si_errno = 0; 1480e6e5906bSpbrook info.si_code = TARGET_ILL_ILLOPN; 1481e6e5906bSpbrook info._sifields._sigfault._addr = env->pc; 1482e6e5906bSpbrook queue_signal(info.si_signo, &info); 1483e6e5906bSpbrook break; 1484e6e5906bSpbrook case EXCP_TRAP0: 1485e6e5906bSpbrook { 1486e6e5906bSpbrook ts->sim_syscalls = 0; 1487e6e5906bSpbrook n = env->dregs[0]; 1488e6e5906bSpbrook env->pc += 2; 1489e6e5906bSpbrook env->dregs[0] = do_syscall(env, 1490e6e5906bSpbrook n, 1491e6e5906bSpbrook env->dregs[1], 1492e6e5906bSpbrook env->dregs[2], 1493e6e5906bSpbrook env->dregs[3], 1494e6e5906bSpbrook env->dregs[4], 1495e6e5906bSpbrook env->dregs[5], 1496e6e5906bSpbrook env->dregs[6]); 1497e6e5906bSpbrook } 1498e6e5906bSpbrook break; 1499e6e5906bSpbrook case EXCP_INTERRUPT: 1500e6e5906bSpbrook /* just indicate that signals should be handled asap */ 1501e6e5906bSpbrook break; 1502e6e5906bSpbrook case EXCP_ACCESS: 1503e6e5906bSpbrook { 1504e6e5906bSpbrook info.si_signo = SIGSEGV; 1505e6e5906bSpbrook info.si_errno = 0; 1506e6e5906bSpbrook /* XXX: check env->error_code */ 1507e6e5906bSpbrook info.si_code = TARGET_SEGV_MAPERR; 1508e6e5906bSpbrook info._sifields._sigfault._addr = env->mmu.ar; 1509e6e5906bSpbrook queue_signal(info.si_signo, &info); 1510e6e5906bSpbrook } 1511e6e5906bSpbrook break; 1512e6e5906bSpbrook case EXCP_DEBUG: 1513e6e5906bSpbrook { 1514e6e5906bSpbrook int sig; 1515e6e5906bSpbrook 1516e6e5906bSpbrook sig = gdb_handlesig (env, TARGET_SIGTRAP); 1517e6e5906bSpbrook if (sig) 1518e6e5906bSpbrook { 1519e6e5906bSpbrook info.si_signo = sig; 1520e6e5906bSpbrook info.si_errno = 0; 1521e6e5906bSpbrook info.si_code = TARGET_TRAP_BRKPT; 1522e6e5906bSpbrook queue_signal(info.si_signo, &info); 1523e6e5906bSpbrook } 1524e6e5906bSpbrook } 1525e6e5906bSpbrook break; 1526e6e5906bSpbrook default: 1527e6e5906bSpbrook fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", 1528e6e5906bSpbrook trapnr); 1529e6e5906bSpbrook cpu_dump_state(env, stderr, fprintf, 0); 1530e6e5906bSpbrook abort(); 1531e6e5906bSpbrook } 1532e6e5906bSpbrook process_pending_signals(env); 1533e6e5906bSpbrook } 1534e6e5906bSpbrook } 1535e6e5906bSpbrook #endif /* TARGET_M68K */ 1536e6e5906bSpbrook 153731e31b8aSbellard void usage(void) 153831e31b8aSbellard { 153984f2e8efSbellard printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n" 1540*b1f9be31Sj_mayer "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n" 1541b346ff46Sbellard "Linux CPU emulator (compiled for %s emulation)\n" 1542d691f669Sbellard "\n" 1543d691f669Sbellard "-h print this help\n" 154474c33bedSbellard "-g port wait gdb connection to port\n" 1545b346ff46Sbellard "-L path set the elf interpreter prefix (default=%s)\n" 1546b346ff46Sbellard "-s size set the stack size in bytes (default=%ld)\n" 1547*b1f9be31Sj_mayer "-cpu model select CPU (-cpu ? for list)\n" 154854936004Sbellard "\n" 154954936004Sbellard "debug options:\n" 1550c6981055Sbellard #ifdef USE_CODE_COPY 1551c6981055Sbellard "-no-code-copy disable code copy acceleration\n" 1552c6981055Sbellard #endif 15536f1f31c0Sbellard "-d options activate log (logfile=%s)\n" 155454936004Sbellard "-p pagesize set the host page size to 'pagesize'\n", 1555b346ff46Sbellard TARGET_ARCH, 1556d691f669Sbellard interp_prefix, 155754936004Sbellard x86_stack_size, 155854936004Sbellard DEBUG_LOGFILE); 155974cd30b8Sbellard _exit(1); 156031e31b8aSbellard } 156131e31b8aSbellard 15629de5e440Sbellard /* XXX: currently only used for async signals (see signal.c) */ 1563b346ff46Sbellard CPUState *global_env; 156459faf6d6Sbellard 1565851e67a1Sbellard /* used to free thread contexts */ 1566851e67a1Sbellard TaskState *first_task_state; 15679de5e440Sbellard 156831e31b8aSbellard int main(int argc, char **argv) 156931e31b8aSbellard { 157031e31b8aSbellard const char *filename; 1571*b1f9be31Sj_mayer const char *cpu_model; 157201ffc75bSbellard struct target_pt_regs regs1, *regs = ®s1; 157331e31b8aSbellard struct image_info info1, *info = &info1; 1574851e67a1Sbellard TaskState ts1, *ts = &ts1; 1575b346ff46Sbellard CPUState *env; 1576586314f2Sbellard int optind; 1577d691f669Sbellard const char *r; 157874c33bedSbellard int gdbstub_port = 0; 157931e31b8aSbellard 158031e31b8aSbellard if (argc <= 1) 158131e31b8aSbellard usage(); 1582f801f97eSbellard 1583cc38b844Sbellard /* init debug */ 1584cc38b844Sbellard cpu_set_log_filename(DEBUG_LOGFILE); 1585cc38b844Sbellard 1586*b1f9be31Sj_mayer cpu_model = NULL; 1587586314f2Sbellard optind = 1; 1588d691f669Sbellard for(;;) { 1589d691f669Sbellard if (optind >= argc) 1590d691f669Sbellard break; 1591d691f669Sbellard r = argv[optind]; 1592d691f669Sbellard if (r[0] != '-') 1593d691f669Sbellard break; 1594586314f2Sbellard optind++; 1595d691f669Sbellard r++; 1596d691f669Sbellard if (!strcmp(r, "-")) { 1597d691f669Sbellard break; 1598d691f669Sbellard } else if (!strcmp(r, "d")) { 1599e19e89a5Sbellard int mask; 1600e19e89a5Sbellard CPULogItem *item; 1601e19e89a5Sbellard 16026f1f31c0Sbellard if (optind >= argc) 16036f1f31c0Sbellard break; 16046f1f31c0Sbellard 16056f1f31c0Sbellard r = argv[optind++]; 16066f1f31c0Sbellard mask = cpu_str_to_log_mask(r); 1607e19e89a5Sbellard if (!mask) { 1608e19e89a5Sbellard printf("Log items (comma separated):\n"); 1609e19e89a5Sbellard for(item = cpu_log_items; item->mask != 0; item++) { 1610e19e89a5Sbellard printf("%-10s %s\n", item->name, item->help); 1611e19e89a5Sbellard } 1612e19e89a5Sbellard exit(1); 1613e19e89a5Sbellard } 1614e19e89a5Sbellard cpu_set_log(mask); 1615d691f669Sbellard } else if (!strcmp(r, "s")) { 1616d691f669Sbellard r = argv[optind++]; 1617d691f669Sbellard x86_stack_size = strtol(r, (char **)&r, 0); 1618d691f669Sbellard if (x86_stack_size <= 0) 1619d691f669Sbellard usage(); 1620d691f669Sbellard if (*r == 'M') 1621d691f669Sbellard x86_stack_size *= 1024 * 1024; 1622d691f669Sbellard else if (*r == 'k' || *r == 'K') 1623d691f669Sbellard x86_stack_size *= 1024; 1624d691f669Sbellard } else if (!strcmp(r, "L")) { 1625d691f669Sbellard interp_prefix = argv[optind++]; 162654936004Sbellard } else if (!strcmp(r, "p")) { 162783fb7adfSbellard qemu_host_page_size = atoi(argv[optind++]); 162883fb7adfSbellard if (qemu_host_page_size == 0 || 162983fb7adfSbellard (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { 163054936004Sbellard fprintf(stderr, "page size must be a power of two\n"); 163154936004Sbellard exit(1); 163254936004Sbellard } 16331fddef4bSbellard } else if (!strcmp(r, "g")) { 163474c33bedSbellard gdbstub_port = atoi(argv[optind++]); 1635c5937220Spbrook } else if (!strcmp(r, "r")) { 1636c5937220Spbrook qemu_uname_release = argv[optind++]; 1637*b1f9be31Sj_mayer } else if (!strcmp(r, "cpu")) { 1638*b1f9be31Sj_mayer cpu_model = argv[optind++]; 1639*b1f9be31Sj_mayer if (strcmp(cpu_model, "?") == 0) { 1640*b1f9be31Sj_mayer #if defined(TARGET_PPC) 1641*b1f9be31Sj_mayer ppc_cpu_list(stdout, &fprintf); 1642*b1f9be31Sj_mayer #elif defined(TARGET_ARM) 1643*b1f9be31Sj_mayer arm_cpu_list(); 1644*b1f9be31Sj_mayer #elif defined(TARGET_MIPS) 1645*b1f9be31Sj_mayer mips_cpu_list(stdout, &fprintf); 1646*b1f9be31Sj_mayer #endif 1647*b1f9be31Sj_mayer exit(1); 1648*b1f9be31Sj_mayer } 1649c6981055Sbellard } else 1650c6981055Sbellard #ifdef USE_CODE_COPY 1651c6981055Sbellard if (!strcmp(r, "no-code-copy")) { 1652c6981055Sbellard code_copy_enabled = 0; 1653c6981055Sbellard } else 1654c6981055Sbellard #endif 1655c6981055Sbellard { 1656d691f669Sbellard usage(); 1657586314f2Sbellard } 1658d691f669Sbellard } 1659d691f669Sbellard if (optind >= argc) 1660d691f669Sbellard usage(); 1661586314f2Sbellard filename = argv[optind]; 166231e31b8aSbellard 166331e31b8aSbellard /* Zero out regs */ 166401ffc75bSbellard memset(regs, 0, sizeof(struct target_pt_regs)); 166531e31b8aSbellard 166631e31b8aSbellard /* Zero out image_info */ 166731e31b8aSbellard memset(info, 0, sizeof(struct image_info)); 166831e31b8aSbellard 166974cd30b8Sbellard /* Scan interp_prefix dir for replacement files. */ 167074cd30b8Sbellard init_paths(interp_prefix); 167174cd30b8Sbellard 167283fb7adfSbellard /* NOTE: we need to init the CPU at this stage to get 167383fb7adfSbellard qemu_host_page_size */ 1674b346ff46Sbellard env = cpu_init(); 167515338fd7Sbellard global_env = env; 167654936004Sbellard 1677e5fe0c52Spbrook if (loader_exec(filename, argv+optind, environ, regs, info) != 0) { 167831e31b8aSbellard printf("Error loading %s\n", filename); 167974cd30b8Sbellard _exit(1); 168031e31b8aSbellard } 168131e31b8aSbellard 16824b74fe1fSbellard if (loglevel) { 168354936004Sbellard page_dump(logfile); 168454936004Sbellard 16854b74fe1fSbellard fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk); 16864b74fe1fSbellard fprintf(logfile, "end_code 0x%08lx\n" , info->end_code); 16874b74fe1fSbellard fprintf(logfile, "start_code 0x%08lx\n" , info->start_code); 1688e5fe0c52Spbrook fprintf(logfile, "start_data 0x%08lx\n" , info->start_data); 16894b74fe1fSbellard fprintf(logfile, "end_data 0x%08lx\n" , info->end_data); 16904b74fe1fSbellard fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack); 16914b74fe1fSbellard fprintf(logfile, "brk 0x%08lx\n" , info->brk); 1692b346ff46Sbellard fprintf(logfile, "entry 0x%08lx\n" , info->entry); 16934b74fe1fSbellard } 169431e31b8aSbellard 169553a5960aSpbrook target_set_brk(info->brk); 169631e31b8aSbellard syscall_init(); 169766fb9763Sbellard signal_init(); 169831e31b8aSbellard 1699851e67a1Sbellard /* build Task State */ 1700851e67a1Sbellard memset(ts, 0, sizeof(TaskState)); 1701851e67a1Sbellard env->opaque = ts; 1702851e67a1Sbellard ts->used = 1; 1703978efd6aSpbrook ts->info = info; 170459faf6d6Sbellard env->user_mode_only = 1; 1705851e67a1Sbellard 1706b346ff46Sbellard #if defined(TARGET_I386) 17072e255c6bSbellard cpu_x86_set_cpl(env, 3); 17082e255c6bSbellard 17093802ce26Sbellard env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK; 17101bde465eSbellard env->hflags |= HF_PE_MASK; 17111bde465eSbellard if (env->cpuid_features & CPUID_SSE) { 17121bde465eSbellard env->cr[4] |= CR4_OSFXSR_MASK; 17131bde465eSbellard env->hflags |= HF_OSFXSR_MASK; 17141bde465eSbellard } 17153802ce26Sbellard 1716415e561fSbellard /* flags setup : we activate the IRQs by default as in user mode */ 1717415e561fSbellard env->eflags |= IF_MASK; 1718415e561fSbellard 17196dbad63eSbellard /* linux register setup */ 17200ecfa993Sbellard env->regs[R_EAX] = regs->eax; 17210ecfa993Sbellard env->regs[R_EBX] = regs->ebx; 17220ecfa993Sbellard env->regs[R_ECX] = regs->ecx; 17230ecfa993Sbellard env->regs[R_EDX] = regs->edx; 17240ecfa993Sbellard env->regs[R_ESI] = regs->esi; 17250ecfa993Sbellard env->regs[R_EDI] = regs->edi; 17260ecfa993Sbellard env->regs[R_EBP] = regs->ebp; 17270ecfa993Sbellard env->regs[R_ESP] = regs->esp; 1728dab2ed99Sbellard env->eip = regs->eip; 172931e31b8aSbellard 1730f4beb510Sbellard /* linux interrupt setup */ 173153a5960aSpbrook env->idt.base = h2g(idt_table); 1732f4beb510Sbellard env->idt.limit = sizeof(idt_table) - 1; 1733f4beb510Sbellard set_idt(0, 0); 1734f4beb510Sbellard set_idt(1, 0); 1735f4beb510Sbellard set_idt(2, 0); 1736f4beb510Sbellard set_idt(3, 3); 1737f4beb510Sbellard set_idt(4, 3); 1738f4beb510Sbellard set_idt(5, 3); 1739f4beb510Sbellard set_idt(6, 0); 1740f4beb510Sbellard set_idt(7, 0); 1741f4beb510Sbellard set_idt(8, 0); 1742f4beb510Sbellard set_idt(9, 0); 1743f4beb510Sbellard set_idt(10, 0); 1744f4beb510Sbellard set_idt(11, 0); 1745f4beb510Sbellard set_idt(12, 0); 1746f4beb510Sbellard set_idt(13, 0); 1747f4beb510Sbellard set_idt(14, 0); 1748f4beb510Sbellard set_idt(15, 0); 1749f4beb510Sbellard set_idt(16, 0); 1750f4beb510Sbellard set_idt(17, 0); 1751f4beb510Sbellard set_idt(18, 0); 1752f4beb510Sbellard set_idt(19, 0); 1753f4beb510Sbellard set_idt(0x80, 3); 1754f4beb510Sbellard 17556dbad63eSbellard /* linux segment setup */ 175653a5960aSpbrook env->gdt.base = h2g(gdt_table); 17576dbad63eSbellard env->gdt.limit = sizeof(gdt_table) - 1; 1758f4beb510Sbellard write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, 1759f4beb510Sbellard DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | 1760f4beb510Sbellard (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); 1761f4beb510Sbellard write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff, 1762f4beb510Sbellard DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | 1763f4beb510Sbellard (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); 17646dbad63eSbellard cpu_x86_load_seg(env, R_CS, __USER_CS); 17656dbad63eSbellard cpu_x86_load_seg(env, R_DS, __USER_DS); 17666dbad63eSbellard cpu_x86_load_seg(env, R_ES, __USER_DS); 17676dbad63eSbellard cpu_x86_load_seg(env, R_SS, __USER_DS); 17686dbad63eSbellard cpu_x86_load_seg(env, R_FS, __USER_DS); 17696dbad63eSbellard cpu_x86_load_seg(env, R_GS, __USER_DS); 177092ccca6aSbellard 1771b346ff46Sbellard #elif defined(TARGET_ARM) 1772b346ff46Sbellard { 1773b346ff46Sbellard int i; 1774*b1f9be31Sj_mayer if (cpu_model == NULL) 1775*b1f9be31Sj_mayer cpu_model = "arm926"; 1776*b1f9be31Sj_mayer cpu_arm_set_model(env, cpu_model); 1777b5ff1b31Sbellard cpsr_write(env, regs->uregs[16], 0xffffffff); 1778b346ff46Sbellard for(i = 0; i < 16; i++) { 1779b346ff46Sbellard env->regs[i] = regs->uregs[i]; 1780b346ff46Sbellard } 1781a4f81979Sbellard ts->stack_base = info->start_stack; 1782a4f81979Sbellard ts->heap_base = info->brk; 1783a4f81979Sbellard /* This will be filled in on the first SYS_HEAPINFO call. */ 1784a4f81979Sbellard ts->heap_limit = 0; 1785b346ff46Sbellard } 178693ac68bcSbellard #elif defined(TARGET_SPARC) 1787060366c5Sbellard { 1788060366c5Sbellard int i; 1789060366c5Sbellard env->pc = regs->pc; 1790060366c5Sbellard env->npc = regs->npc; 1791060366c5Sbellard env->y = regs->y; 1792060366c5Sbellard for(i = 0; i < 8; i++) 1793060366c5Sbellard env->gregs[i] = regs->u_regs[i]; 1794060366c5Sbellard for(i = 0; i < 8; i++) 1795060366c5Sbellard env->regwptr[i] = regs->u_regs[i + 8]; 1796060366c5Sbellard } 179767867308Sbellard #elif defined(TARGET_PPC) 179867867308Sbellard { 17993fc6c082Sbellard ppc_def_t *def; 180067867308Sbellard int i; 18013fc6c082Sbellard 18023fc6c082Sbellard /* Choose and initialise CPU */ 1803*b1f9be31Sj_mayer if (cpu_model == NULL) 1804*b1f9be31Sj_mayer cpu_model = "750"; 1805*b1f9be31Sj_mayer ppc_find_by_name(cpu_model, &def); 18063fc6c082Sbellard if (def == NULL) { 1807c68ea704Sbellard cpu_abort(env, 18083fc6c082Sbellard "Unable to find PowerPC CPU definition\n"); 18093fc6c082Sbellard } 1810c68ea704Sbellard cpu_ppc_register(env, def); 18113fc6c082Sbellard 181261190b14Sbellard for (i = 0; i < 32; i++) { 18134c2e770fSbellard if (i != 12 && i != 6 && i != 13) 181467867308Sbellard env->msr[i] = (regs->msr >> i) & 1; 181561190b14Sbellard } 181667867308Sbellard env->nip = regs->nip; 181767867308Sbellard for(i = 0; i < 32; i++) { 181867867308Sbellard env->gpr[i] = regs->gpr[i]; 181967867308Sbellard } 182067867308Sbellard } 1821e6e5906bSpbrook #elif defined(TARGET_M68K) 1822e6e5906bSpbrook { 1823e6e5906bSpbrook m68k_def_t *def; 1824e6e5906bSpbrook def = m68k_find_by_name("cfv4e"); 1825e6e5906bSpbrook if (def == NULL) { 1826e6e5906bSpbrook cpu_abort(cpu_single_env, 1827e6e5906bSpbrook "Unable to find m68k CPU definition\n"); 1828e6e5906bSpbrook } 1829e6e5906bSpbrook cpu_m68k_register(cpu_single_env, def); 1830e6e5906bSpbrook env->pc = regs->pc; 1831e6e5906bSpbrook env->dregs[0] = regs->d0; 1832e6e5906bSpbrook env->dregs[1] = regs->d1; 1833e6e5906bSpbrook env->dregs[2] = regs->d2; 1834e6e5906bSpbrook env->dregs[3] = regs->d3; 1835e6e5906bSpbrook env->dregs[4] = regs->d4; 1836e6e5906bSpbrook env->dregs[5] = regs->d5; 1837e6e5906bSpbrook env->dregs[6] = regs->d6; 1838e6e5906bSpbrook env->dregs[7] = regs->d7; 1839e6e5906bSpbrook env->aregs[0] = regs->a0; 1840e6e5906bSpbrook env->aregs[1] = regs->a1; 1841e6e5906bSpbrook env->aregs[2] = regs->a2; 1842e6e5906bSpbrook env->aregs[3] = regs->a3; 1843e6e5906bSpbrook env->aregs[4] = regs->a4; 1844e6e5906bSpbrook env->aregs[5] = regs->a5; 1845e6e5906bSpbrook env->aregs[6] = regs->a6; 1846e6e5906bSpbrook env->aregs[7] = regs->usp; 1847e6e5906bSpbrook env->sr = regs->sr; 1848e6e5906bSpbrook ts->sim_syscalls = 1; 1849e6e5906bSpbrook } 1850048f6b4dSbellard #elif defined(TARGET_MIPS) 1851048f6b4dSbellard { 1852048f6b4dSbellard int i; 1853048f6b4dSbellard 1854*b1f9be31Sj_mayer /* XXX: set CPU model */ 1855048f6b4dSbellard for(i = 0; i < 32; i++) { 1856048f6b4dSbellard env->gpr[i] = regs->regs[i]; 1857048f6b4dSbellard } 1858048f6b4dSbellard env->PC = regs->cp0_epc; 185936d23958Sths if (env->CP0_Config1 & (1 << CP0C1_FP)) { 1860bc1ad2deSbellard env->CP0_Status |= (1 << CP0St_CU1); 186136d23958Sths } 1862048f6b4dSbellard } 1863fdf9b3e8Sbellard #elif defined(TARGET_SH4) 1864fdf9b3e8Sbellard { 1865fdf9b3e8Sbellard int i; 1866fdf9b3e8Sbellard 1867fdf9b3e8Sbellard for(i = 0; i < 16; i++) { 1868fdf9b3e8Sbellard env->gregs[i] = regs->regs[i]; 1869fdf9b3e8Sbellard } 1870fdf9b3e8Sbellard env->pc = regs->pc; 1871fdf9b3e8Sbellard } 1872b346ff46Sbellard #else 1873b346ff46Sbellard #error unsupported target CPU 1874b346ff46Sbellard #endif 187531e31b8aSbellard 187674c33bedSbellard if (gdbstub_port) { 187774c33bedSbellard gdbserver_start (gdbstub_port); 18781fddef4bSbellard gdb_handlesig(env, 0); 18791fddef4bSbellard } 18801b6b029eSbellard cpu_loop(env); 18811b6b029eSbellard /* never exits */ 188231e31b8aSbellard return 0; 188331e31b8aSbellard } 1884