* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
#include "cpu.h"
-#include "qemu-common.h"
#include "kvm.h"
#ifndef CONFIG_USER_ONLY
#include "sysemu.h"
//#define DEBUG_MMU
-/* NOTE: must be called outside the CPU execute loop */
-void cpu_reset(CPUX86State *env)
-{
- int i;
-
- if (qemu_loglevel_mask(CPU_LOG_RESET)) {
- qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
- log_cpu_state(env, X86_DUMP_FPU | X86_DUMP_CCOP);
- }
-
- memset(env, 0, offsetof(CPUX86State, breakpoints));
-
- tlb_flush(env, 1);
-
- env->old_exception = -1;
-
- /* init to reset state */
-
-#ifdef CONFIG_SOFTMMU
- env->hflags |= HF_SOFTMMU_MASK;
-#endif
- env->hflags2 |= HF2_GIF_MASK;
-
- cpu_x86_update_cr0(env, 0x60000010);
- env->a20_mask = ~0x0;
- env->smbase = 0x30000;
-
- env->idt.limit = 0xffff;
- env->gdt.limit = 0xffff;
- env->ldt.limit = 0xffff;
- env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
- env->tr.limit = 0xffff;
- env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
-
- cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
- DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
- DESC_R_MASK | DESC_A_MASK);
- cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
- DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
- DESC_A_MASK);
- cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
- DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
- DESC_A_MASK);
- cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
- DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
- DESC_A_MASK);
- cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
- DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
- DESC_A_MASK);
- cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
- DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
- DESC_A_MASK);
-
- env->eip = 0xfff0;
- env->regs[R_EDX] = env->cpuid_version;
-
- env->eflags = 0x2;
-
- /* FPU init */
- for(i = 0;i < 8; i++)
- env->fptags[i] = 1;
- env->fpuc = 0x37f;
-
- env->mxcsr = 0x1f80;
-
- env->pat = 0x0007040600070406ULL;
- env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
-
- memset(env->dr, 0, sizeof(env->dr));
- env->dr[6] = DR6_FIXED_1;
- env->dr[7] = DR7_FIXED_1;
- cpu_breakpoint_remove_all(env, BP_CPU);
- cpu_watchpoint_remove_all(env, BP_CPU);
-}
-
-void cpu_x86_close(CPUX86State *env)
-{
- g_free(env);
-}
-
-static void cpu_x86_version(CPUState *env, int *family, int *model)
+static void cpu_x86_version(CPUX86State *env, int *family, int *model)
{
int cpuver = env->cpuid_version;
}
/* Broadcast MCA signal for processor version 06H_EH and above */
-int cpu_x86_support_mca_broadcast(CPUState *env)
+int cpu_x86_support_mca_broadcast(CPUX86State *env)
{
int family = 0;
int model = 0;
};
static void
-cpu_x86_dump_seg_cache(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
+cpu_x86_dump_seg_cache(CPUX86State *env, FILE *f, fprintf_function cpu_fprintf,
const char *name, struct SegmentCache *sc)
{
#ifdef TARGET_X86_64
#define DUMP_CODE_BYTES_TOTAL 50
#define DUMP_CODE_BYTES_BACKWARD 20
-void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
+void cpu_dump_state(CPUX86State *env, FILE *f, fprintf_function cpu_fprintf,
int flags)
{
int eflags, i, nb;
return 1;
}
-target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
+target_phys_addr_t cpu_get_phys_page_debug(CPUX86State *env, target_ulong addr)
{
target_ulong pde_addr, pte_addr;
uint64_t pte;
if (!(pml4e & PG_PRESENT_MASK))
return -1;
- pdpe_addr = ((pml4e & ~0xfff) + (((addr >> 30) & 0x1ff) << 3)) &
- env->a20_mask;
+ pdpe_addr = ((pml4e & ~0xfff & ~(PG_NX_MASK | PG_HI_USER_MASK)) +
+ (((addr >> 30) & 0x1ff) << 3)) & env->a20_mask;
pdpe = ldq_phys(pdpe_addr);
if (!(pdpe & PG_PRESENT_MASK))
return -1;
return -1;
}
- pde_addr = ((pdpe & ~0xfff) + (((addr >> 21) & 0x1ff) << 3)) &
- env->a20_mask;
+ pde_addr = ((pdpe & ~0xfff & ~(PG_NX_MASK | PG_HI_USER_MASK)) +
+ (((addr >> 21) & 0x1ff) << 3)) & env->a20_mask;
pde = ldq_phys(pde_addr);
if (!(pde & PG_PRESENT_MASK)) {
return -1;
pte = pde & ~( (page_size - 1) & ~0xfff); /* align to page_size */
} else {
/* 4 KB page */
- pte_addr = ((pde & ~0xfff) + (((addr >> 12) & 0x1ff) << 3)) &
- env->a20_mask;
+ pte_addr = ((pde & ~0xfff & ~(PG_NX_MASK | PG_HI_USER_MASK)) +
+ (((addr >> 12) & 0x1ff) << 3)) & env->a20_mask;
page_size = 4096;
pte = ldq_phys(pte_addr);
}
+ pte &= ~(PG_NX_MASK | PG_HI_USER_MASK);
if (!(pte & PG_PRESENT_MASK))
return -1;
} else {
return paddr;
}
-void hw_breakpoint_insert(CPUState *env, int index)
+void hw_breakpoint_insert(CPUX86State *env, int index)
{
int type, err = 0;
env->cpu_breakpoint[index] = NULL;
}
-void hw_breakpoint_remove(CPUState *env, int index)
+void hw_breakpoint_remove(CPUX86State *env, int index)
{
if (!env->cpu_breakpoint[index])
return;
}
}
-int check_hw_breakpoints(CPUState *env, int force_dr6_update)
+int check_hw_breakpoints(CPUX86State *env, int force_dr6_update)
{
target_ulong dr6;
int reg, type;
return hit_enabled;
}
-static CPUDebugExcpHandler *prev_debug_excp_handler;
-
-static void breakpoint_handler(CPUState *env)
+void breakpoint_handler(CPUX86State *env)
{
CPUBreakpoint *bp;
if (env->watchpoint_hit->flags & BP_CPU) {
env->watchpoint_hit = NULL;
if (check_hw_breakpoints(env, 0))
- raise_exception_env(EXCP01_DB, env);
+ raise_exception(env, EXCP01_DB);
else
cpu_resume_from_signal(env, NULL);
}
if (bp->pc == env->eip) {
if (bp->flags & BP_CPU) {
check_hw_breakpoints(env, 1);
- raise_exception_env(EXCP01_DB, env);
+ raise_exception(env, EXCP01_DB);
}
break;
}
}
- if (prev_debug_excp_handler)
- prev_debug_excp_handler(env);
}
typedef struct MCEInjectionParams {
Monitor *mon;
- CPUState *env;
+ CPUX86State *env;
int bank;
uint64_t status;
uint64_t mcg_status;
static void do_inject_x86_mce(void *data)
{
MCEInjectionParams *params = data;
- CPUState *cenv = params->env;
+ CPUX86State *cenv = params->env;
uint64_t *banks = cenv->mce_banks + 4 * params->bank;
cpu_synchronize_state(cenv);
}
}
-void cpu_x86_inject_mce(Monitor *mon, CPUState *cenv, int bank,
+void cpu_x86_inject_mce(Monitor *mon, CPUX86State *cenv, int bank,
uint64_t status, uint64_t mcg_status, uint64_t addr,
uint64_t misc, int flags)
{
.flags = flags,
};
unsigned bank_num = cenv->mcg_cap & 0xff;
- CPUState *env;
+ CPUX86State *env;
if (!cenv->mcg_cap) {
monitor_printf(mon, "MCE injection not supported\n");
}
}
}
-#endif /* !CONFIG_USER_ONLY */
-static void mce_init(CPUX86State *cenv)
+void cpu_report_tpr_access(CPUX86State *env, TPRAccess access)
{
- unsigned int bank;
-
- if (((cenv->cpuid_version >> 8) & 0xf) >= 6
- && (cenv->cpuid_features & (CPUID_MCE | CPUID_MCA)) ==
- (CPUID_MCE | CPUID_MCA)) {
- cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF;
- cenv->mcg_ctl = ~(uint64_t)0;
- for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
- cenv->mce_banks[bank * 4] = ~(uint64_t)0;
- }
+ TranslationBlock *tb;
+
+ if (kvm_enabled()) {
+ env->tpr_access_type = access;
+
+ cpu_interrupt(env, CPU_INTERRUPT_TPR);
+ } else {
+ tb = tb_find_pc(env->mem_io_pc);
+ cpu_restore_state(tb, env, env->mem_io_pc);
+
+ apic_handle_tpr_access_report(env->apic_state, env->eip, access);
}
}
+#endif /* !CONFIG_USER_ONLY */
int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
target_ulong *base, unsigned int *limit,
return 1;
}
-CPUX86State *cpu_x86_init(const char *cpu_model)
+X86CPU *cpu_x86_init(const char *cpu_model)
{
+ X86CPU *cpu;
CPUX86State *env;
- static int inited;
- env = g_malloc0(sizeof(CPUX86State));
- cpu_exec_init(env);
+ cpu = X86_CPU(object_new(TYPE_X86_CPU));
+ env = &cpu->env;
env->cpu_model_str = cpu_model;
- /* init various static tables used in TCG mode */
- if (tcg_enabled() && !inited) {
- inited = 1;
- optimize_flags_init();
-#ifndef CONFIG_USER_ONLY
- prev_debug_excp_handler =
- cpu_set_debug_excp_handler(breakpoint_handler);
-#endif
- }
- if (cpu_x86_register(env, cpu_model) < 0) {
- cpu_x86_close(env);
+ if (cpu_x86_register(cpu, cpu_model) < 0) {
+ object_delete(OBJECT(cpu));
return NULL;
}
- mce_init(env);
- qemu_init_vcpu(env);
+ x86_cpu_realize(OBJECT(cpu), NULL);
- return env;
+ return cpu;
}
#if !defined(CONFIG_USER_ONLY)
-void do_cpu_init(CPUState *env)
+void do_cpu_init(X86CPU *cpu)
{
+ CPUX86State *env = &cpu->env;
int sipi = env->interrupt_request & CPU_INTERRUPT_SIPI;
uint64_t pat = env->pat;
- cpu_reset(env);
+ cpu_reset(CPU(cpu));
env->interrupt_request = sipi;
env->pat = pat;
apic_init_reset(env->apic_state);
- env->halted = !cpu_is_bsp(env);
}
-void do_cpu_sipi(CPUState *env)
+void do_cpu_sipi(X86CPU *cpu)
{
+ CPUX86State *env = &cpu->env;
+
apic_sipi(env->apic_state);
}
#else
-void do_cpu_init(CPUState *env)
+void do_cpu_init(X86CPU *cpu)
{
}
-void do_cpu_sipi(CPUState *env)
+void do_cpu_sipi(X86CPU *cpu)
{
}
#endif
projects / qemu.git / blobdiff