diff options
Diffstat (limited to 'target-sparc/cpu.c')
| -rw-r--r-- | target-sparc/cpu.c | 114 |
1 files changed, 73 insertions, 41 deletions
diff --git a/target-sparc/cpu.c b/target-sparc/cpu.c index 5806e59af3..d9f37e9b6a 100644 --- a/target-sparc/cpu.c +++ b/target-sparc/cpu.c @@ -18,6 +18,7 @@ */ #include "cpu.h" +#include "qemu/error-report.h" //#define DEBUG_FEATURES @@ -32,8 +33,8 @@ static void sparc_cpu_reset(CPUState *s) scc->parent_reset(s); - memset(env, 0, offsetof(CPUSPARCState, breakpoints)); - tlb_flush(env, 1); + memset(env, 0, offsetof(CPUSPARCState, version)); + tlb_flush(s, 1); env->cwp = 0; #ifndef TARGET_SPARC64 env->wim = 1; @@ -69,21 +70,32 @@ static void sparc_cpu_reset(CPUState *s) env->cache_control = 0; } -static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model) +static int cpu_sparc_register(SPARCCPU *cpu, const char *cpu_model) { + CPUClass *cc = CPU_GET_CLASS(cpu); + CPUSPARCState *env = &cpu->env; + char *s = g_strdup(cpu_model); + char *featurestr, *name = strtok(s, ","); sparc_def_t def1, *def = &def1; + Error *err = NULL; - if (cpu_sparc_find_by_name(def, cpu_model) < 0) { + if (cpu_sparc_find_by_name(def, name) < 0) { + g_free(s); return -1; } env->def = g_new0(sparc_def_t, 1); memcpy(env->def, def, sizeof(*def)); -#if defined(CONFIG_USER_ONLY) - if ((env->def->features & CPU_FEATURE_FLOAT)) { - env->def->features |= CPU_FEATURE_FLOAT128; + + featurestr = strtok(NULL, ","); + cc->parse_features(CPU(cpu), featurestr, &err); + g_free(s); + if (err) { + error_report("%s", error_get_pretty(err)); + error_free(err); + return -1; } -#endif + env->version = def->iu_version; env->fsr = def->fpu_version; env->nwindows = def->nwindows; @@ -103,12 +115,10 @@ static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model) SPARCCPU *cpu_sparc_init(const char *cpu_model) { SPARCCPU *cpu; - CPUSPARCState *env; cpu = SPARC_CPU(object_new(TYPE_SPARC_CPU)); - env = &cpu->env; - if (cpu_sparc_register(env, cpu_model) < 0) { + if (cpu_sparc_register(cpu, cpu_model) < 0) { object_unref(OBJECT(cpu)); return NULL; } @@ -506,19 +516,13 @@ static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features) return; } } - fprintf(stderr, "CPU feature %s not found\n", flagname); + error_report("CPU feature %s not found", flagname); } -static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) +static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *name) { unsigned int i; const sparc_def_t *def = NULL; - char *s = g_strdup(cpu_model); - char *featurestr, *name = strtok(s, ","); - uint32_t plus_features = 0; - uint32_t minus_features = 0; - uint64_t iu_version; - uint32_t fpu_version, mmu_version, nwindows; for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { if (strcasecmp(name, sparc_defs[i].name) == 0) { @@ -526,11 +530,24 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) } } if (!def) { - goto error; + return -1; } memcpy(cpu_def, def, sizeof(*def)); + return 0; +} - featurestr = strtok(NULL, ","); +static void sparc_cpu_parse_features(CPUState *cs, char *features, + Error **errp) +{ + SPARCCPU *cpu = SPARC_CPU(cs); + sparc_def_t *cpu_def = cpu->env.def; + char *featurestr; + uint32_t plus_features = 0; + uint32_t minus_features = 0; + uint64_t iu_version; + uint32_t fpu_version, mmu_version, nwindows; + + featurestr = features ? strtok(features, ",") : NULL; while (featurestr) { char *val; @@ -545,8 +562,8 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) iu_version = strtoll(val, &err, 0); if (!*val || *err) { - fprintf(stderr, "bad numerical value %s\n", val); - goto error; + error_setg(errp, "bad numerical value %s", val); + return; } cpu_def->iu_version = iu_version; #ifdef DEBUG_FEATURES @@ -557,8 +574,8 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) fpu_version = strtol(val, &err, 0); if (!*val || *err) { - fprintf(stderr, "bad numerical value %s\n", val); - goto error; + error_setg(errp, "bad numerical value %s", val); + return; } cpu_def->fpu_version = fpu_version; #ifdef DEBUG_FEATURES @@ -569,8 +586,8 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) mmu_version = strtol(val, &err, 0); if (!*val || *err) { - fprintf(stderr, "bad numerical value %s\n", val); - goto error; + error_setg(errp, "bad numerical value %s", val); + return; } cpu_def->mmu_version = mmu_version; #ifdef DEBUG_FEATURES @@ -582,21 +599,21 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) nwindows = strtol(val, &err, 0); if (!*val || *err || nwindows > MAX_NWINDOWS || nwindows < MIN_NWINDOWS) { - fprintf(stderr, "bad numerical value %s\n", val); - goto error; + error_setg(errp, "bad numerical value %s", val); + return; } cpu_def->nwindows = nwindows; #ifdef DEBUG_FEATURES fprintf(stderr, "nwindows %d\n", nwindows); #endif } else { - fprintf(stderr, "unrecognized feature %s\n", featurestr); - goto error; + error_setg(errp, "unrecognized feature %s", featurestr); + return; } } else { - fprintf(stderr, "feature string `%s' not in format " - "(+feature|-feature|feature=xyz)\n", featurestr); - goto error; + error_setg(errp, "feature string `%s' not in format " + "(+feature|-feature|feature=xyz)", featurestr); + return; } featurestr = strtok(NULL, ","); } @@ -605,12 +622,6 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) #ifdef DEBUG_FEATURES print_features(stderr, fprintf, cpu_def->features, NULL); #endif - g_free(s); - return 0; - - error: - g_free(s); - return -1; } void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf) @@ -739,9 +750,26 @@ static void sparc_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb) 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 void sparc_cpu_realizefn(DeviceState *dev, Error **errp) { SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev); +#if defined(CONFIG_USER_ONLY) + SPARCCPU *cpu = SPARC_CPU(dev); + CPUSPARCState *env = &cpu->env; + + if ((env->def->features & CPU_FEATURE_FLOAT)) { + env->def->features |= CPU_FEATURE_FLOAT128; + } +#endif qemu_init_vcpu(CPU(dev)); @@ -782,6 +810,8 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data) scc->parent_reset = cc->reset; cc->reset = sparc_cpu_reset; + cc->parse_features = sparc_cpu_parse_features; + cc->has_work = sparc_cpu_has_work; cc->do_interrupt = sparc_cpu_do_interrupt; cc->dump_state = sparc_cpu_dump_state; #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) @@ -791,7 +821,9 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data) cc->synchronize_from_tb = sparc_cpu_synchronize_from_tb; cc->gdb_read_register = sparc_cpu_gdb_read_register; cc->gdb_write_register = sparc_cpu_gdb_write_register; -#ifndef CONFIG_USER_ONLY +#ifdef CONFIG_USER_ONLY + cc->handle_mmu_fault = sparc_cpu_handle_mmu_fault; +#else cc->do_unassigned_access = sparc_cpu_unassigned_access; cc->get_phys_page_debug = sparc_cpu_get_phys_page_debug; #endif |