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QOM CPUState refactorings / X86CPU

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* Fix for X86CPU model field of qemu32/qemu64 CPU models
 * Bug fix for longjmp on FreeBSD
 * Removal of unused function
 * Confinement of clone syscall infrastructure to linux-user
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Merge remote-tracking branch 'afaerber/tags/qom-cpu-for-anthony' into staging

QOM CPUState refactorings / X86CPU

* Fix for X86CPU model field of qemu32/qemu64 CPU models
* Bug fix for longjmp on FreeBSD
* Removal of unused function
* Confinement of clone syscall infrastructure to linux-user

# gpg: Signature made Wed 09 Oct 2013 03:40:51 AM PDT using RSA key ID 3E7E013F
# gpg: Can't check signature: public key not found

# By Andreas Färber (2) and others
# Via Andreas Färber
* afaerber/tags/qom-cpu-for-anthony:
  cpu: Drop cpu_model_str from CPU_COMMON
  cpu: Move cpu_copy() into linux-user
  cputlb: Remove dead function tlb_update_dirty()
  cpu-exec: Also reload CPUClass *cc after longjmp return in cpu_exec()
  target-i386: Set model=6 on qemu64 & qemu32 CPU models
This commit is contained in:
Anthony Liguori 2013-10-10 13:16:25 -07:00
commit 39c153b80f
18 changed files with 46 additions and 77 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
cpu-exec.c
View File

@ -681,6 +681,10 @@ int cpu_exec(CPUArchState *env)
* local variables as longjmp is marked 'noreturn'. */
cpu = current_cpu;
env = cpu->env_ptr;
#if !(defined(CONFIG_USER_ONLY) && \
(defined(TARGET_M68K) || defined(TARGET_PPC) || defined(TARGET_S390X)))
cc = CPU_GET_CLASS(cpu);
#endif
}
} /* for(;;) */

15
cputlb.c
View File

@ -169,21 +169,6 @@ static inline ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr)
return ram_addr;
}
static inline void tlb_update_dirty(CPUTLBEntry *tlb_entry)
{
ram_addr_t ram_addr;
void *p;
if (tlb_is_dirty_ram(tlb_entry)) {
p = (void *)(uintptr_t)((tlb_entry->addr_write & TARGET_PAGE_MASK)
+ tlb_entry->addend);
ram_addr = qemu_ram_addr_from_host_nofail(p);
if (!cpu_physical_memory_is_dirty(ram_addr)) {
tlb_entry->addr_write |= TLB_NOTDIRTY;
}
}
}
void cpu_tlb_reset_dirty_all(ram_addr_t start1, ram_addr_t length)
{
CPUState *cpu;

32
exec.c
View File

@ -625,38 +625,6 @@ void cpu_abort(CPUArchState *env, const char *fmt, ...)
abort();
}
CPUArchState *cpu_copy(CPUArchState *env)
{
CPUArchState *new_env = cpu_init(env->cpu_model_str);
#if defined(TARGET_HAS_ICE)
CPUBreakpoint *bp;
CPUWatchpoint *wp;
#endif
/* Reset non arch specific state */
cpu_reset(ENV_GET_CPU(new_env));
/* Copy arch specific state into the new CPU */
memcpy(new_env, env, sizeof(CPUArchState));
/* Clone all break/watchpoints.
Note: Once we support ptrace with hw-debug register access, make sure
BP_CPU break/watchpoints are handled correctly on clone. */
QTAILQ_INIT(&env->breakpoints);
QTAILQ_INIT(&env->watchpoints);
#if defined(TARGET_HAS_ICE)
QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
cpu_breakpoint_insert(new_env, bp->pc, bp->flags, NULL);
}
QTAILQ_FOREACH(wp, &env->watchpoints, entry) {
cpu_watchpoint_insert(new_env, wp->vaddr, (~wp->len_mask) + 1,
wp->flags, NULL);
}
#endif
return new_env;
}
#if !defined(CONFIG_USER_ONLY)
static void tlb_reset_dirty_range_all(ram_addr_t start, ram_addr_t end,
uintptr_t length)

2
include/exec/cpu-defs.h
View File

@ -178,7 +178,5 @@ typedef struct CPUWatchpoint {
\
/* user data */ \
void *opaque; \
\
const char *cpu_model_str;
#endif

8
include/hw/i386/pc.h
View File

@ -230,6 +230,14 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t);
.driver = "e1000",\
.property = "mitigation",\
.value = "off",\
},{\
.driver = "qemu64-" TYPE_X86_CPU,\
.property = "model",\
.value = stringify(2),\
},{\
.driver = "qemu32-" TYPE_X86_CPU,\
.property = "model",\
.value = stringify(3),\
}
#define PC_COMPAT_1_5 \

33
linux-user/main.c
View File

@ -42,7 +42,7 @@ const char *filename;
const char *argv0;
int gdbstub_port;
envlist_t *envlist;
const char *cpu_model;
static const char *cpu_model;
unsigned long mmap_min_addr;
#if defined(CONFIG_USE_GUEST_BASE)
unsigned long guest_base;
@ -3285,6 +3285,37 @@ void init_task_state(TaskState *ts)
ts->sigqueue_table[i].next = NULL;
}
CPUArchState *cpu_copy(CPUArchState *env)
{
CPUArchState *new_env = cpu_init(cpu_model);
#if defined(TARGET_HAS_ICE)
CPUBreakpoint *bp;
CPUWatchpoint *wp;
#endif
/* Reset non arch specific state */
cpu_reset(ENV_GET_CPU(new_env));
memcpy(new_env, env, sizeof(CPUArchState));
/* Clone all break/watchpoints.
Note: Once we support ptrace with hw-debug register access, make sure
BP_CPU break/watchpoints are handled correctly on clone. */
QTAILQ_INIT(&env->breakpoints);
QTAILQ_INIT(&env->watchpoints);
#if defined(TARGET_HAS_ICE)
QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
cpu_breakpoint_insert(new_env, bp->pc, bp->flags, NULL);
}
QTAILQ_FOREACH(wp, &env->watchpoints, entry) {
cpu_watchpoint_insert(new_env, wp->vaddr, (~wp->len_mask) + 1,
wp->flags, NULL);
}
#endif
return new_env;
}
static void handle_arg_help(const char *arg)
{
usage();

4
target-alpha/cpu.c
View File

@ -131,7 +131,6 @@ static ObjectClass *alpha_cpu_class_by_name(const char *cpu_model)
AlphaCPU *cpu_alpha_init(const char *cpu_model)
{
AlphaCPU *cpu;
CPUAlphaState *env;
ObjectClass *cpu_class;
cpu_class = alpha_cpu_class_by_name(cpu_model);
@ -140,9 +139,6 @@ AlphaCPU *cpu_alpha_init(const char *cpu_model)
cpu_class = object_class_by_name(TYPE("ev67"));
}
cpu = ALPHA_CPU(object_new(object_class_get_name(cpu_class)));
env = &cpu->env;
env->cpu_model_str = cpu_model;
object_property_set_bool(OBJECT(cpu), true, "realized", NULL);

3
target-arm/helper.c
View File

@ -1749,7 +1749,6 @@ void register_cp_regs_for_features(ARMCPU *cpu)
ARMCPU *cpu_arm_init(const char *cpu_model)
{
ARMCPU *cpu;
CPUARMState *env;
ObjectClass *oc;
oc = cpu_class_by_name(TYPE_ARM_CPU, cpu_model);
@ -1757,8 +1756,6 @@ ARMCPU *cpu_arm_init(const char *cpu_model)
return NULL;
}
cpu = ARM_CPU(object_new(object_class_get_name(oc)));
env = &cpu->env;
env->cpu_model_str = cpu_model;
/* TODO this should be set centrally, once possible */
object_property_set_bool(OBJECT(cpu), true, "realized", NULL);

7
target-i386/cpu.c
View File

@ -545,7 +545,7 @@ static x86_def_t builtin_x86_defs[] = {
.level = 4,
.vendor = CPUID_VENDOR_AMD,
.family = 6,
.model = 2,
.model = 6,
.stepping = 3,
.features[FEAT_1_EDX] =
PPRO_FEATURES |
@ -648,7 +648,7 @@ static x86_def_t builtin_x86_defs[] = {
.level = 4,
.vendor = CPUID_VENDOR_INTEL,
.family = 6,
.model = 3,
.model = 6,
.stepping = 3,
.features[FEAT_1_EDX] =
PPRO_FEATURES,
@ -1899,7 +1899,6 @@ X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,
Error **errp)
{
X86CPU *cpu = NULL;
CPUX86State *env;
gchar **model_pieces;
char *name, *features;
char *typename;
@ -1922,8 +1921,6 @@ X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,
qdev_set_parent_bus(DEVICE(cpu), qdev_get_child_bus(icc_bridge, "icc"));
object_unref(OBJECT(cpu));
#endif
env = &cpu->env;
env->cpu_model_str = cpu_model;
cpu_x86_register(cpu, name, &error);
if (error) {

1
target-m68k/helper.c
View File

@ -110,7 +110,6 @@ M68kCPU *cpu_m68k_init(const char *cpu_model)
}
cpu = M68K_CPU(object_new(object_class_get_name(oc)));
env = &cpu->env;
env->cpu_model_str = cpu_model;
register_m68k_insns(env);

1
target-mips/translate.c
View File

@ -15907,7 +15907,6 @@ MIPSCPU *cpu_mips_init(const char *cpu_model)
cpu = MIPS_CPU(object_new(TYPE_MIPS_CPU));
env = &cpu->env;
env->cpu_model = def;
env->cpu_model_str = cpu_model;
#ifndef CONFIG_USER_ONLY
mmu_init(env, def);

1
target-moxie/cpu.c
View File

@ -138,7 +138,6 @@ MoxieCPU *cpu_moxie_init(const char *cpu_model)
return NULL;
}
cpu = MOXIE_CPU(object_new(object_class_get_name(oc)));
cpu->env.cpu_model_str = cpu_model;
object_property_set_bool(OBJECT(cpu), true, "realized", NULL);

1
target-openrisc/cpu.c
View File

@ -209,7 +209,6 @@ OpenRISCCPU *cpu_openrisc_init(const char *cpu_model)
return NULL;
}
cpu = OPENRISC_CPU(object_new(object_class_get_name(oc)));
cpu->env.cpu_model_str = cpu_model;
object_property_set_bool(OBJECT(cpu), true, "realized", NULL);

3
target-ppc/translate_init.c
View File

@ -8267,7 +8267,6 @@ static ObjectClass *ppc_cpu_class_by_name(const char *name)
PowerPCCPU *cpu_ppc_init(const char *cpu_model)
{
PowerPCCPU *cpu;
CPUPPCState *env;
ObjectClass *oc;
Error *err = NULL;
@ -8277,8 +8276,6 @@ PowerPCCPU *cpu_ppc_init(const char *cpu_model)
}
cpu = POWERPC_CPU(object_new(object_class_get_name(oc)));
env = &cpu->env;
env->cpu_model_str = cpu_model;
object_property_set_bool(OBJECT(cpu), true, "realized", &err);
if (err != NULL) {

3
target-s390x/helper.c
View File

@ -73,11 +73,8 @@ void s390x_cpu_timer(void *opaque)
S390CPU *cpu_s390x_init(const char *cpu_model)
{
S390CPU *cpu;
CPUS390XState *env;
cpu = S390_CPU(object_new(TYPE_S390_CPU));
env = &cpu->env;
env->cpu_model_str = cpu_model;
object_property_set_bool(OBJECT(cpu), true, "realized", NULL);

3
target-sh4/cpu.c
View File

@ -144,7 +144,6 @@ static ObjectClass *superh_cpu_class_by_name(const char *cpu_model)
SuperHCPU *cpu_sh4_init(const char *cpu_model)
{
SuperHCPU *cpu;
CPUSH4State *env;
ObjectClass *oc;
oc = superh_cpu_class_by_name(cpu_model);
@ -152,8 +151,6 @@ SuperHCPU *cpu_sh4_init(const char *cpu_model)
return NULL;
}
cpu = SUPERH_CPU(object_new(object_class_get_name(oc)));
env = &cpu->env;
env->cpu_model_str = cpu_model;
object_property_set_bool(OBJECT(cpu), true, "realized", NULL);

1
target-sparc/cpu.c
View File

@ -84,7 +84,6 @@ static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
env->def->features |= CPU_FEATURE_FLOAT128;
}
#endif
env->cpu_model_str = cpu_model;
env->version = def->iu_version;
env->fsr = def->fpu_version;
env->nwindows = def->nwindows;

1
target-unicore32/helper.c
View File

@ -37,7 +37,6 @@ CPUUniCore32State *uc32_cpu_init(const char *cpu_model)
}
cpu = UNICORE32_CPU(object_new(object_class_get_name(oc)));
env = &cpu->env;
env->cpu_model_str = cpu_model;
object_property_set_bool(OBJECT(cpu), true, "realized", NULL);