/* * Sparc CPU init helpers * * Copyright (c) 2003-2005 Fabrice Bellard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see . */ #include "qemu/osdep.h" #include "qapi/error.h" #include "cpu.h" #include "qemu/module.h" #include "qemu/qemu-print.h" #include "exec/exec-all.h" #include "hw/qdev-properties.h" #include "qapi/visitor.h" #include "tcg/tcg.h" //#define DEBUG_FEATURES static void sparc_cpu_reset_hold(Object *obj) { CPUState *s = CPU(obj); SPARCCPU *cpu = SPARC_CPU(s); SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(cpu); CPUSPARCState *env = &cpu->env; if (scc->parent_phases.hold) { scc->parent_phases.hold(obj); } memset(env, 0, offsetof(CPUSPARCState, end_reset_fields)); env->cwp = 0; #ifndef TARGET_SPARC64 env->wim = 1; #endif env->regwptr = env->regbase + (env->cwp * 16); #if defined(CONFIG_USER_ONLY) #ifdef TARGET_SPARC64 env->cleanwin = env->nwindows - 2; env->cansave = env->nwindows - 2; env->pstate = PS_RMO | PS_PEF | PS_IE; env->asi = 0x82; /* Primary no-fault */ #endif #else #if !defined(TARGET_SPARC64) env->psret = 0; env->psrs = 1; env->psrps = 1; #endif #ifdef TARGET_SPARC64 env->pstate = PS_PRIV | PS_RED | PS_PEF; if (!cpu_has_hypervisor(env)) { env->pstate |= PS_AG; } env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0; env->tl = env->maxtl; env->gl = 2; cpu_tsptr(env)->tt = TT_POWER_ON_RESET; env->lsu = 0; #else env->mmuregs[0] &= ~(MMU_E | MMU_NF); env->mmuregs[0] |= env->def.mmu_bm; #endif env->pc = 0; env->npc = env->pc + 4; #endif env->cache_control = 0; } #ifndef CONFIG_USER_ONLY static bool sparc_cpu_exec_interrupt(CPUState *cs, int interrupt_request) { if (interrupt_request & CPU_INTERRUPT_HARD) { SPARCCPU *cpu = SPARC_CPU(cs); CPUSPARCState *env = &cpu->env; if (cpu_interrupts_enabled(env) && env->interrupt_index > 0) { int pil = env->interrupt_index & 0xf; int type = env->interrupt_index & 0xf0; if (type != TT_EXTINT || cpu_pil_allowed(env, pil)) { cs->exception_index = env->interrupt_index; sparc_cpu_do_interrupt(cs); return true; } } } return false; } #endif /* !CONFIG_USER_ONLY */ static void cpu_sparc_disas_set_info(CPUState *cpu, disassemble_info *info) { info->print_insn = print_insn_sparc; #ifdef TARGET_SPARC64 info->mach = bfd_mach_sparc_v9b; #endif } static void cpu_add_feat_as_prop(const char *typename, const char *name, const char *val) { GlobalProperty *prop = g_new0(typeof(*prop), 1); prop->driver = typename; prop->property = g_strdup(name); prop->value = g_strdup(val); qdev_prop_register_global(prop); } /* Parse "+feature,-feature,feature=foo" CPU feature string */ static void sparc_cpu_parse_features(const char *typename, char *features, Error **errp) { GList *l, *plus_features = NULL, *minus_features = NULL; char *featurestr; /* Single 'key=value" string being parsed */ static bool cpu_globals_initialized; if (cpu_globals_initialized) { return; } cpu_globals_initialized = true; if (!features) { return; } for (featurestr = strtok(features, ","); featurestr; featurestr = strtok(NULL, ",")) { const char *name; const char *val = NULL; char *eq = NULL; /* Compatibility syntax: */ if (featurestr[0] == '+') { plus_features = g_list_append(plus_features, g_strdup(featurestr + 1)); continue; } else if (featurestr[0] == '-') { minus_features = g_list_append(minus_features, g_strdup(featurestr + 1)); continue; } eq = strchr(featurestr, '='); name = featurestr; if (eq) { *eq++ = 0; val = eq; /* * Temporarily, only +feat/-feat will be supported * for boolean properties until we remove the * minus-overrides-plus semantics and just follow * the order options appear on the command-line. * * TODO: warn if user is relying on minus-override-plus semantics * TODO: remove minus-override-plus semantics after * warning for a few releases */ if (!strcasecmp(val, "on") || !strcasecmp(val, "off") || !strcasecmp(val, "true") || !strcasecmp(val, "false")) { error_setg(errp, "Boolean properties in format %s=%s" " are not supported", name, val); return; } } else { error_setg(errp, "Unsupported property format: %s", name); return; } cpu_add_feat_as_prop(typename, name, val); } for (l = plus_features; l; l = l->next) { const char *name = l->data; cpu_add_feat_as_prop(typename, name, "on"); } g_list_free_full(plus_features, g_free); for (l = minus_features; l; l = l->next) { const char *name = l->data; cpu_add_feat_as_prop(typename, name, "off"); } g_list_free_full(minus_features, g_free); } void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu) { #if !defined(TARGET_SPARC64) env->mxccregs[7] = ((cpu + 8) & 0xf) << 24; #endif } static const sparc_def_t sparc_defs[] = { #ifdef TARGET_SPARC64 { .name = "Fujitsu Sparc64", .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 4, .maxtl = 4, .features = CPU_DEFAULT_FEATURES, }, { .name = "Fujitsu Sparc64 III", .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 5, .maxtl = 4, .features = CPU_DEFAULT_FEATURES, }, { .name = "Fujitsu Sparc64 IV", .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "Fujitsu Sparc64 V", .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI UltraSparc I", .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI UltraSparc II", .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI UltraSparc IIi", .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI UltraSparc IIe", .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "Sun UltraSparc III", .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "Sun UltraSparc III Cu", .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_3, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "Sun UltraSparc IIIi", .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "Sun UltraSparc IV", .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_4, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "Sun UltraSparc IV+", .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT, }, { .name = "Sun UltraSparc IIIi+", .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_3, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, { .name = "Sun UltraSparc T1", /* defined in sparc_ifu_fdp.v and ctu.h */ .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_sun4v, .nwindows = 8, .maxtl = 6, .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT | CPU_FEATURE_GL, }, { .name = "Sun UltraSparc T2", /* defined in tlu_asi_ctl.v and n2_revid_cust.v */ .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_sun4v, .nwindows = 8, .maxtl = 6, .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT | CPU_FEATURE_GL, }, { .name = "NEC UltraSparc I", .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), .fpu_version = 0x00000000, .mmu_version = mmu_us_12, .nwindows = 8, .maxtl = 5, .features = CPU_DEFAULT_FEATURES, }, #else { .name = "Fujitsu MB86904", .iu_version = 0x04 << 24, /* Impl 0, ver 4 */ .fpu_version = 4 << FSR_VER_SHIFT, /* FPU version 4 (Meiko) */ .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */ .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0x00ffffc0, .mmu_cxr_mask = 0x000000ff, .mmu_sfsr_mask = 0x00016fff, .mmu_trcr_mask = 0x00ffffff, .nwindows = 8, .features = CPU_DEFAULT_FEATURES, }, { .name = "Fujitsu MB86907", .iu_version = 0x05 << 24, /* Impl 0, ver 5 */ .fpu_version = 4 << FSR_VER_SHIFT, /* FPU version 4 (Meiko) */ .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */ .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0xffffffc0, .mmu_cxr_mask = 0x000000ff, .mmu_sfsr_mask = 0x00016fff, .mmu_trcr_mask = 0xffffffff, .nwindows = 8, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI MicroSparc I", .iu_version = 0x41000000, .fpu_version = 4 << FSR_VER_SHIFT, .mmu_version = 0x41000000, .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0x007ffff0, .mmu_cxr_mask = 0x0000003f, .mmu_sfsr_mask = 0x00016fff, .mmu_trcr_mask = 0x0000003f, .nwindows = 7, .features = CPU_FEATURE_MUL | CPU_FEATURE_DIV, }, { .name = "TI MicroSparc II", .iu_version = 0x42000000, .fpu_version = 4 << FSR_VER_SHIFT, .mmu_version = 0x02000000, .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0x00ffffc0, .mmu_cxr_mask = 0x000000ff, .mmu_sfsr_mask = 0x00016fff, .mmu_trcr_mask = 0x00ffffff, .nwindows = 8, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI MicroSparc IIep", .iu_version = 0x42000000, .fpu_version = 4 << FSR_VER_SHIFT, .mmu_version = 0x04000000, .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0x00ffffc0, .mmu_cxr_mask = 0x000000ff, .mmu_sfsr_mask = 0x00016bff, .mmu_trcr_mask = 0x00ffffff, .nwindows = 8, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI SuperSparc 40", /* STP1020NPGA */ .iu_version = 0x41000000, /* SuperSPARC 2.x */ .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x00000800, /* SuperSPARC 2.x, no MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, .mmu_cxr_mask = 0x0000ffff, .mmu_sfsr_mask = 0xffffffff, .mmu_trcr_mask = 0xffffffff, .nwindows = 8, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI SuperSparc 50", /* STP1020PGA */ .iu_version = 0x40000000, /* SuperSPARC 3.x */ .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, .mmu_cxr_mask = 0x0000ffff, .mmu_sfsr_mask = 0xffffffff, .mmu_trcr_mask = 0xffffffff, .nwindows = 8, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI SuperSparc 51", .iu_version = 0x40000000, /* SuperSPARC 3.x */ .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, .mmu_cxr_mask = 0x0000ffff, .mmu_sfsr_mask = 0xffffffff, .mmu_trcr_mask = 0xffffffff, .mxcc_version = 0x00000104, .nwindows = 8, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI SuperSparc 60", /* STP1020APGA */ .iu_version = 0x40000000, /* SuperSPARC 3.x */ .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, .mmu_cxr_mask = 0x0000ffff, .mmu_sfsr_mask = 0xffffffff, .mmu_trcr_mask = 0xffffffff, .nwindows = 8, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI SuperSparc 61", .iu_version = 0x44000000, /* SuperSPARC 3.x */ .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, .mmu_cxr_mask = 0x0000ffff, .mmu_sfsr_mask = 0xffffffff, .mmu_trcr_mask = 0xffffffff, .mxcc_version = 0x00000104, .nwindows = 8, .features = CPU_DEFAULT_FEATURES, }, { .name = "TI SuperSparc II", .iu_version = 0x40000000, /* SuperSPARC II 1.x */ .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x08000000, /* SuperSPARC II 1.x, MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, .mmu_cxr_mask = 0x0000ffff, .mmu_sfsr_mask = 0xffffffff, .mmu_trcr_mask = 0xffffffff, .mxcc_version = 0x00000104, .nwindows = 8, .features = CPU_DEFAULT_FEATURES, }, { .name = "LEON2", .iu_version = 0xf2000000, .fpu_version = 4 << FSR_VER_SHIFT, /* FPU version 4 (Meiko) */ .mmu_version = 0xf2000000, .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0x007ffff0, .mmu_cxr_mask = 0x0000003f, .mmu_sfsr_mask = 0xffffffff, .mmu_trcr_mask = 0xffffffff, .nwindows = 8, .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN, }, { .name = "LEON3", .iu_version = 0xf3000000, .fpu_version = 4 << FSR_VER_SHIFT, /* FPU version 4 (Meiko) */ .mmu_version = 0xf3000000, .mmu_bm = 0x00000000, .mmu_ctpr_mask = 0xfffffffc, .mmu_cxr_mask = 0x000000ff, .mmu_sfsr_mask = 0xffffffff, .mmu_trcr_mask = 0xffffffff, .nwindows = 8, .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN | CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL | CPU_FEATURE_POWERDOWN | CPU_FEATURE_CASA, }, #endif }; /* This must match sparc_cpu_properties[]. */ static const char * const feature_name[] = { [CPU_FEATURE_BIT_FLOAT128] = "float128", #ifdef TARGET_SPARC64 [CPU_FEATURE_BIT_CMT] = "cmt", [CPU_FEATURE_BIT_GL] = "gl", [CPU_FEATURE_BIT_HYPV] = "hypv", [CPU_FEATURE_BIT_VIS1] = "vis1", [CPU_FEATURE_BIT_VIS2] = "vis2", #else [CPU_FEATURE_BIT_MUL] = "mul", [CPU_FEATURE_BIT_DIV] = "div", [CPU_FEATURE_BIT_FSMULD] = "fsmuld", #endif }; static void print_features(uint32_t features, const char *prefix) { unsigned int i; for (i = 0; i < ARRAY_SIZE(feature_name); i++) { if (feature_name[i] && (features & (1 << i))) { if (prefix) { qemu_printf("%s", prefix); } qemu_printf("%s ", feature_name[i]); } } } void sparc_cpu_list(void) { unsigned int i; for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { qemu_printf("Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ", sparc_defs[i].name, sparc_defs[i].iu_version, sparc_defs[i].fpu_version, sparc_defs[i].mmu_version, sparc_defs[i].nwindows); print_features(CPU_DEFAULT_FEATURES & ~sparc_defs[i].features, "-"); print_features(~CPU_DEFAULT_FEATURES & sparc_defs[i].features, "+"); qemu_printf("\n"); } qemu_printf("Default CPU feature flags (use '-' to remove): "); print_features(CPU_DEFAULT_FEATURES, NULL); qemu_printf("\n"); qemu_printf("Available CPU feature flags (use '+' to add): "); print_features(~CPU_DEFAULT_FEATURES, NULL); qemu_printf("\n"); qemu_printf("Numerical features (use '=' to set): iu_version " "fpu_version mmu_version nwindows\n"); } static void cpu_print_cc(FILE *f, uint32_t cc) { qemu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-', cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-', cc & PSR_CARRY ? 'C' : '-'); } #ifdef TARGET_SPARC64 #define REGS_PER_LINE 4 #else #define REGS_PER_LINE 8 #endif static void sparc_cpu_dump_state(CPUState *cs, FILE *f, int flags) { SPARCCPU *cpu = SPARC_CPU(cs); CPUSPARCState *env = &cpu->env; int i, x; qemu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, env->npc); for (i = 0; i < 8; i++) { if (i % REGS_PER_LINE == 0) { qemu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1); } qemu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]); if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { qemu_fprintf(f, "\n"); } } for (x = 0; x < 3; x++) { for (i = 0; i < 8; i++) { if (i % REGS_PER_LINE == 0) { qemu_fprintf(f, "%%%c%d-%d: ", x == 0 ? 'o' : (x == 1 ? 'l' : 'i'), i, i + REGS_PER_LINE - 1); } qemu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]); if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { qemu_fprintf(f, "\n"); } } } if (flags & CPU_DUMP_FPU) { for (i = 0; i < TARGET_DPREGS; i++) { if ((i & 3) == 0) { qemu_fprintf(f, "%%f%02d: ", i * 2); } qemu_fprintf(f, " %016" PRIx64, env->fpr[i].ll); if ((i & 3) == 3) { qemu_fprintf(f, "\n"); } } } #ifdef TARGET_SPARC64 qemu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate, (unsigned)cpu_get_ccr(env)); cpu_print_cc(f, cpu_get_ccr(env) << PSR_CARRY_SHIFT); qemu_fprintf(f, " xcc: "); cpu_print_cc(f, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4)); qemu_fprintf(f, ") asi: %02x tl: %d pil: %x gl: %d\n", env->asi, env->tl, env->psrpil, env->gl); qemu_fprintf(f, "tbr: " TARGET_FMT_lx " hpstate: " TARGET_FMT_lx " htba: " TARGET_FMT_lx "\n", env->tbr, env->hpstate, env->htba); qemu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d " "cleanwin: %d cwp: %d\n", env->cansave, env->canrestore, env->otherwin, env->wstate, env->cleanwin, env->nwindows - 1 - env->cwp); qemu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: %016x\n", cpu_get_fsr(env), env->y, env->fprs); #else qemu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env)); cpu_print_cc(f, cpu_get_psr(env)); qemu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-', env->psrps ? 'P' : '-', env->psret ? 'E' : '-', env->wim); qemu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n", cpu_get_fsr(env), env->y); #endif qemu_fprintf(f, "\n"); } static void sparc_cpu_set_pc(CPUState *cs, vaddr value) { SPARCCPU *cpu = SPARC_CPU(cs); cpu->env.pc = value; cpu->env.npc = value + 4; } static vaddr sparc_cpu_get_pc(CPUState *cs) { SPARCCPU *cpu = SPARC_CPU(cs); return cpu->env.pc; } static void sparc_cpu_synchronize_from_tb(CPUState *cs, const TranslationBlock *tb) { SPARCCPU *cpu = SPARC_CPU(cs); tcg_debug_assert(!(cs->tcg_cflags & CF_PCREL)); cpu->env.pc = tb->pc; cpu->env.npc = tb->cs_base; } static bool sparc_cpu_has_work(CPUState *cs) { SPARCCPU *cpu = SPARC_CPU(cs); CPUSPARCState *env = &cpu->env; return (cs->interrupt_request & CPU_INTERRUPT_HARD) && cpu_interrupts_enabled(env); } static int sparc_cpu_mmu_index(CPUState *cs, bool ifetch) { CPUSPARCState *env = cpu_env(cs); #ifndef TARGET_SPARC64 if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */ return MMU_PHYS_IDX; } else { return env->psrs; } #else /* IMMU or DMMU disabled. */ if (ifetch ? (env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0 : (env->lsu & DMMU_E) == 0) { return MMU_PHYS_IDX; } else if (cpu_hypervisor_mode(env)) { return MMU_PHYS_IDX; } else if (env->tl > 0) { return MMU_NUCLEUS_IDX; } else if (cpu_supervisor_mode(env)) { return MMU_KERNEL_IDX; } else { return MMU_USER_IDX; } #endif } static char *sparc_cpu_type_name(const char *cpu_model) { char *name = g_strdup_printf(SPARC_CPU_TYPE_NAME("%s"), cpu_model); char *s = name; /* SPARC cpu model names happen to have whitespaces, * as type names shouldn't have spaces replace them with '-' */ while ((s = strchr(s, ' '))) { *s = '-'; } return name; } static ObjectClass *sparc_cpu_class_by_name(const char *cpu_model) { ObjectClass *oc; char *typename; typename = sparc_cpu_type_name(cpu_model); oc = object_class_by_name(typename); g_free(typename); return oc; } static void sparc_cpu_realizefn(DeviceState *dev, Error **errp) { CPUState *cs = CPU(dev); SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev); Error *local_err = NULL; SPARCCPU *cpu = SPARC_CPU(dev); CPUSPARCState *env = &cpu->env; #if defined(CONFIG_USER_ONLY) /* We are emulating the kernel, which will trap and emulate float128. */ env->def.features |= CPU_FEATURE_FLOAT128; #endif env->version = env->def.iu_version; env->nwindows = env->def.nwindows; #if !defined(TARGET_SPARC64) env->mmuregs[0] |= env->def.mmu_version; cpu_sparc_set_id(env, 0); env->mxccregs[7] |= env->def.mxcc_version; #else env->mmu_version = env->def.mmu_version; env->maxtl = env->def.maxtl; env->version |= env->def.maxtl << 8; env->version |= env->def.nwindows - 1; #endif cpu_put_fsr(env, 0); cpu_exec_realizefn(cs, &local_err); if (local_err != NULL) { error_propagate(errp, local_err); return; } qemu_init_vcpu(cs); scc->parent_realize(dev, errp); } static void sparc_cpu_initfn(Object *obj) { SPARCCPU *cpu = SPARC_CPU(obj); SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(obj); CPUSPARCState *env = &cpu->env; if (scc->cpu_def) { env->def = *scc->cpu_def; } } static void sparc_get_nwindows(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { SPARCCPU *cpu = SPARC_CPU(obj); int64_t value = cpu->env.def.nwindows; visit_type_int(v, name, &value, errp); } static void sparc_set_nwindows(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { const int64_t min = MIN_NWINDOWS; const int64_t max = MAX_NWINDOWS; SPARCCPU *cpu = SPARC_CPU(obj); int64_t value; if (!visit_type_int(v, name, &value, errp)) { return; } if (value < min || value > max) { error_setg(errp, "Property %s.%s doesn't take value %" PRId64 " (minimum: %" PRId64 ", maximum: %" PRId64 ")", object_get_typename(obj), name ? name : "null", value, min, max); return; } cpu->env.def.nwindows = value; } static PropertyInfo qdev_prop_nwindows = { .name = "int", .get = sparc_get_nwindows, .set = sparc_set_nwindows, }; /* This must match feature_name[]. */ static Property sparc_cpu_properties[] = { DEFINE_PROP_BIT("float128", SPARCCPU, env.def.features, CPU_FEATURE_BIT_FLOAT128, false), #ifdef TARGET_SPARC64 DEFINE_PROP_BIT("cmt", SPARCCPU, env.def.features, CPU_FEATURE_BIT_CMT, false), DEFINE_PROP_BIT("gl", SPARCCPU, env.def.features, CPU_FEATURE_BIT_GL, false), DEFINE_PROP_BIT("hypv", SPARCCPU, env.def.features, CPU_FEATURE_BIT_HYPV, false), DEFINE_PROP_BIT("vis1", SPARCCPU, env.def.features, CPU_FEATURE_BIT_VIS1, false), DEFINE_PROP_BIT("vis2", SPARCCPU, env.def.features, CPU_FEATURE_BIT_VIS2, false), #else DEFINE_PROP_BIT("mul", SPARCCPU, env.def.features, CPU_FEATURE_BIT_MUL, false), DEFINE_PROP_BIT("div", SPARCCPU, env.def.features, CPU_FEATURE_BIT_DIV, false), DEFINE_PROP_BIT("fsmuld", SPARCCPU, env.def.features, CPU_FEATURE_BIT_FSMULD, false), #endif DEFINE_PROP_UNSIGNED("iu-version", SPARCCPU, env.def.iu_version, 0, qdev_prop_uint64, target_ulong), DEFINE_PROP_UINT32("fpu-version", SPARCCPU, env.def.fpu_version, 0), DEFINE_PROP_UINT32("mmu-version", SPARCCPU, env.def.mmu_version, 0), DEFINE_PROP("nwindows", SPARCCPU, env.def.nwindows, qdev_prop_nwindows, uint32_t), DEFINE_PROP_END_OF_LIST() }; #ifndef CONFIG_USER_ONLY #include "hw/core/sysemu-cpu-ops.h" static const struct SysemuCPUOps sparc_sysemu_ops = { .get_phys_page_debug = sparc_cpu_get_phys_page_debug, .legacy_vmsd = &vmstate_sparc_cpu, }; #endif #ifdef CONFIG_TCG #include "hw/core/tcg-cpu-ops.h" static const TCGCPUOps sparc_tcg_ops = { .initialize = sparc_tcg_init, .synchronize_from_tb = sparc_cpu_synchronize_from_tb, .restore_state_to_opc = sparc_restore_state_to_opc, #ifndef CONFIG_USER_ONLY .tlb_fill = sparc_cpu_tlb_fill, .cpu_exec_interrupt = sparc_cpu_exec_interrupt, .do_interrupt = sparc_cpu_do_interrupt, .do_transaction_failed = sparc_cpu_do_transaction_failed, .do_unaligned_access = sparc_cpu_do_unaligned_access, #endif /* !CONFIG_USER_ONLY */ }; #endif /* CONFIG_TCG */ static void sparc_cpu_class_init(ObjectClass *oc, void *data) { SPARCCPUClass *scc = SPARC_CPU_CLASS(oc); CPUClass *cc = CPU_CLASS(oc); DeviceClass *dc = DEVICE_CLASS(oc); ResettableClass *rc = RESETTABLE_CLASS(oc); device_class_set_parent_realize(dc, sparc_cpu_realizefn, &scc->parent_realize); device_class_set_props(dc, sparc_cpu_properties); resettable_class_set_parent_phases(rc, NULL, sparc_cpu_reset_hold, NULL, &scc->parent_phases); cc->class_by_name = sparc_cpu_class_by_name; cc->parse_features = sparc_cpu_parse_features; cc->has_work = sparc_cpu_has_work; cc->mmu_index = sparc_cpu_mmu_index; cc->dump_state = sparc_cpu_dump_state; #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) cc->memory_rw_debug = sparc_cpu_memory_rw_debug; #endif cc->set_pc = sparc_cpu_set_pc; cc->get_pc = sparc_cpu_get_pc; cc->gdb_read_register = sparc_cpu_gdb_read_register; cc->gdb_write_register = sparc_cpu_gdb_write_register; #ifndef CONFIG_USER_ONLY cc->sysemu_ops = &sparc_sysemu_ops; #endif cc->disas_set_info = cpu_sparc_disas_set_info; #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) cc->gdb_num_core_regs = 86; #else cc->gdb_num_core_regs = 72; #endif cc->tcg_ops = &sparc_tcg_ops; } static const TypeInfo sparc_cpu_type_info = { .name = TYPE_SPARC_CPU, .parent = TYPE_CPU, .instance_size = sizeof(SPARCCPU), .instance_align = __alignof(SPARCCPU), .instance_init = sparc_cpu_initfn, .abstract = true, .class_size = sizeof(SPARCCPUClass), .class_init = sparc_cpu_class_init, }; static void sparc_cpu_cpudef_class_init(ObjectClass *oc, void *data) { SPARCCPUClass *scc = SPARC_CPU_CLASS(oc); scc->cpu_def = data; } static void sparc_register_cpudef_type(const struct sparc_def_t *def) { char *typename = sparc_cpu_type_name(def->name); TypeInfo ti = { .name = typename, .parent = TYPE_SPARC_CPU, .class_init = sparc_cpu_cpudef_class_init, .class_data = (void *)def, }; type_register(&ti); g_free(typename); } static void sparc_cpu_register_types(void) { int i; type_register_static(&sparc_cpu_type_info); for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { sparc_register_cpudef_type(&sparc_defs[i]); } } type_init(sparc_cpu_register_types)