* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
+#include "qemu/osdep.h"
#include "cpu.h"
+#include "qemu/error-report.h"
//#define DEBUG_FEATURES
SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(cpu);
CPUSPARCState *env = &cpu->env;
- if (qemu_loglevel_mask(CPU_LOG_RESET)) {
- qemu_log("CPU Reset (CPU %d)\n", s->cpu_index);
- log_cpu_state(env, 0);
- }
-
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;
env->cache_control = 0;
}
-static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
+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;
+}
+
+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 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_err(err);
+ return -1;
}
-#endif
- env->cpu_model_str = cpu_model;
+
env->version = def->iu_version;
env->fsr = def->fpu_version;
env->nwindows = def->nwindows;
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;
}
.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_ASR17 | CPU_FEATURE_CACHE_CTRL | CPU_FEATURE_POWERDOWN |
+ CPU_FEATURE_CASA,
},
#endif
};
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) {
}
}
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;
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
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
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
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, ",");
}
#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)
#define REGS_PER_LINE 8
#endif
-void cpu_dump_state(CPUSPARCState *env, FILE *f, fprintf_function cpu_fprintf,
- int flags)
+void sparc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
+ int flags)
{
+ SPARCCPU *cpu = SPARC_CPU(cs);
+ CPUSPARCState *env = &cpu->env;
int i, x;
cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc,
cpu_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 void sparc_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
+{
+ SPARCCPU *cpu = SPARC_CPU(cs);
+
+ 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 void sparc_cpu_realizefn(DeviceState *dev, Error **errp)
{
- SPARCCPU *cpu = SPARC_CPU(dev);
SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev);
+#if defined(CONFIG_USER_ONLY)
+ SPARCCPU *cpu = SPARC_CPU(dev);
+ CPUSPARCState *env = &cpu->env;
- qemu_init_vcpu(&cpu->env);
+ if ((env->def->features & CPU_FEATURE_FLOAT)) {
+ env->def->features |= CPU_FEATURE_FLOAT128;
+ }
+#endif
+
+ qemu_init_vcpu(CPU(dev));
scc->parent_realize(dev, errp);
}
CPUSPARCState *env = &cpu->env;
cs->env_ptr = env;
- cpu_exec_init(env);
+ cpu_exec_init(cs, &error_abort);
if (tcg_enabled()) {
gen_intermediate_code_init(env);
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->cpu_exec_interrupt = sparc_cpu_exec_interrupt;
+ 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->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;
+#ifdef CONFIG_USER_ONLY
+ cc->handle_mmu_fault = sparc_cpu_handle_mmu_fault;
+#else
+ cc->do_unassigned_access = sparc_cpu_unassigned_access;
+ cc->do_unaligned_access = sparc_cpu_do_unaligned_access;
+ cc->get_phys_page_debug = sparc_cpu_get_phys_page_debug;
+ cc->vmsd = &vmstate_sparc_cpu;
+#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
+
+ /*
+ * Reason: sparc_cpu_initfn() calls cpu_exec_init(), which saves
+ * the object in cpus -> dangling pointer after final
+ * object_unref().
+ */
+ dc->cannot_destroy_with_object_finalize_yet = true;
}
static const TypeInfo sparc_cpu_type_info = {
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