* 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"
+#include "sysemu/kvm.h"
#ifndef CONFIG_USER_ONLY
-#include "sysemu.h"
-#include "monitor.h"
+#include "sysemu/sysemu.h"
+#include "monitor/monitor.h"
#endif
//#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;
/***********************************************************/
/* x86 debug */
-static const char *cc_op_str[] = {
+static const char *cc_op_str[CC_OP_NB] = {
"DYNAMIC",
"EFLAGS",
"SARW",
"SARL",
"SARQ",
+
+ "BMILGB",
+ "BMILGW",
+ "BMILGL",
+ "BMILGQ",
+
+ "ADCX",
+ "ADOX",
+ "ADCOX",
+
+ "CLR",
};
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
cpu_fprintf(f, " [%c%c", (sc->flags & DESC_C_MASK) ? 'C' : '-',
(sc->flags & DESC_R_MASK) ? 'R' : '-');
} else {
- cpu_fprintf(f, (sc->flags & DESC_B_MASK) ? "DS " : "DS16");
+ cpu_fprintf(f,
+ (sc->flags & DESC_B_MASK || env->hflags & HF_LMA_MASK)
+ ? "DS " : "DS16");
cpu_fprintf(f, " [%c%c", (sc->flags & DESC_E_MASK) ? 'E' : '-',
(sc->flags & DESC_W_MASK) ? 'W' : '-');
}
#define DUMP_CODE_BYTES_TOTAL 50
#define DUMP_CODE_BYTES_BACKWARD 20
-void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
- int flags)
+void x86_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
+ int flags)
{
+ X86CPU *cpu = X86_CPU(cs);
+ CPUX86State *env = &cpu->env;
int eflags, i, nb;
char cc_op_name[32];
static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" };
- cpu_synchronize_state(env);
-
- eflags = env->eflags;
+ eflags = cpu_compute_eflags(env);
#ifdef TARGET_X86_64
if (env->hflags & HF_CS64_MASK) {
cpu_fprintf(f,
(env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1,
(env->a20_mask >> 20) & 1,
(env->hflags >> HF_SMM_SHIFT) & 1,
- env->halted);
+ cs->halted);
} else
#endif
{
(env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1,
(env->a20_mask >> 20) & 1,
(env->hflags >> HF_SMM_SHIFT) & 1,
- env->halted);
+ cs->halted);
}
for(i = 0; i < 6; i++) {
cpu_fprintf(f, "\nDR6=" TARGET_FMT_lx " DR7=" TARGET_FMT_lx "\n",
env->dr[6], env->dr[7]);
}
- if (flags & X86_DUMP_CCOP) {
+ if (flags & CPU_DUMP_CCOP) {
if ((unsigned)env->cc_op < CC_OP_NB)
snprintf(cc_op_name, sizeof(cc_op_name), "%s", cc_op_str[env->cc_op]);
else
}
}
cpu_fprintf(f, "EFER=%016" PRIx64 "\n", env->efer);
- if (flags & X86_DUMP_FPU) {
+ if (flags & CPU_DUMP_FPU) {
int fptag;
fptag = 0;
for(i = 0; i < 8; i++) {
cpu_fprintf(f, "Code=");
for (i = 0; i < DUMP_CODE_BYTES_TOTAL; i++) {
- if (cpu_memory_rw_debug(env, base - offs + i, &code, 1, 0) == 0) {
+ if (cpu_memory_rw_debug(cs, base - offs + i, &code, 1, 0) == 0) {
snprintf(codestr, sizeof(codestr), "%02x", code);
} else {
snprintf(codestr, sizeof(codestr), "??");
/* x86 mmu */
/* XXX: add PGE support */
-void cpu_x86_set_a20(CPUX86State *env, int a20_state)
+void x86_cpu_set_a20(X86CPU *cpu, int a20_state)
{
+ CPUX86State *env = &cpu->env;
+
a20_state = (a20_state != 0);
if (a20_state != ((env->a20_mask >> 20) & 1)) {
+ CPUState *cs = CPU(cpu);
+
#if defined(DEBUG_MMU)
printf("A20 update: a20=%d\n", a20_state);
#endif
/* if the cpu is currently executing code, we must unlink it and
all the potentially executing TB */
- cpu_interrupt(env, CPU_INTERRUPT_EXITTB);
+ cpu_interrupt(cs, CPU_INTERRUPT_EXITTB);
/* when a20 is changed, all the MMU mappings are invalid, so
we must flush everything */
- tlb_flush(env, 1);
+ tlb_flush(cs, 1);
env->a20_mask = ~(1 << 20) | (a20_state << 20);
}
}
void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0)
{
+ X86CPU *cpu = x86_env_get_cpu(env);
int pe_state;
#if defined(DEBUG_MMU)
#endif
if ((new_cr0 & (CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK)) !=
(env->cr[0] & (CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK))) {
- tlb_flush(env, 1);
+ tlb_flush(CPU(cpu), 1);
}
#ifdef TARGET_X86_64
the PDPT */
void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3)
{
+ X86CPU *cpu = x86_env_get_cpu(env);
+
env->cr[3] = new_cr3;
if (env->cr[0] & CR0_PG_MASK) {
#if defined(DEBUG_MMU)
printf("CR3 update: CR3=" TARGET_FMT_lx "\n", new_cr3);
#endif
- tlb_flush(env, 0);
+ tlb_flush(CPU(cpu), 0);
}
}
void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4)
{
+ X86CPU *cpu = x86_env_get_cpu(env);
+
#if defined(DEBUG_MMU)
printf("CR4 update: CR4=%08x\n", (uint32_t)env->cr[4]);
#endif
- if ((new_cr4 & (CR4_PGE_MASK | CR4_PAE_MASK | CR4_PSE_MASK)) !=
- (env->cr[4] & (CR4_PGE_MASK | CR4_PAE_MASK | CR4_PSE_MASK))) {
- tlb_flush(env, 1);
+ if ((new_cr4 ^ env->cr[4]) &
+ (CR4_PGE_MASK | CR4_PAE_MASK | CR4_PSE_MASK |
+ CR4_SMEP_MASK | CR4_SMAP_MASK)) {
+ tlb_flush(CPU(cpu), 1);
}
/* SSE handling */
- if (!(env->cpuid_features & CPUID_SSE))
+ if (!(env->features[FEAT_1_EDX] & CPUID_SSE)) {
new_cr4 &= ~CR4_OSFXSR_MASK;
- if (new_cr4 & CR4_OSFXSR_MASK)
+ }
+ env->hflags &= ~HF_OSFXSR_MASK;
+ if (new_cr4 & CR4_OSFXSR_MASK) {
env->hflags |= HF_OSFXSR_MASK;
- else
- env->hflags &= ~HF_OSFXSR_MASK;
+ }
+
+ if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) {
+ new_cr4 &= ~CR4_SMAP_MASK;
+ }
+ env->hflags &= ~HF_SMAP_MASK;
+ if (new_cr4 & CR4_SMAP_MASK) {
+ env->hflags |= HF_SMAP_MASK;
+ }
env->cr[4] = new_cr4;
}
#if defined(CONFIG_USER_ONLY)
-int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
+int x86_cpu_handle_mmu_fault(CPUState *cs, vaddr addr,
int is_write, int mmu_idx)
{
+ X86CPU *cpu = X86_CPU(cs);
+ CPUX86State *env = &cpu->env;
+
/* user mode only emulation */
is_write &= 1;
env->cr[2] = addr;
env->error_code = (is_write << PG_ERROR_W_BIT);
env->error_code |= PG_ERROR_U_MASK;
- env->exception_index = EXCP0E_PAGE;
+ cs->exception_index = EXCP0E_PAGE;
return 1;
}
# endif
/* return value:
- -1 = cannot handle fault
- 0 = nothing more to do
- 1 = generate PF fault
-*/
-int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
+ * -1 = cannot handle fault
+ * 0 = nothing more to do
+ * 1 = generate PF fault
+ */
+int x86_cpu_handle_mmu_fault(CPUState *cs, vaddr addr,
int is_write1, int mmu_idx)
{
+ X86CPU *cpu = X86_CPU(cs);
+ CPUX86State *env = &cpu->env;
uint64_t ptep, pte;
target_ulong pde_addr, pte_addr;
int error_code, is_dirty, prot, page_size, is_write, is_user;
- target_phys_addr_t paddr;
+ hwaddr paddr;
uint32_t page_offset;
target_ulong vaddr, virt_addr;
is_user = mmu_idx == MMU_USER_IDX;
#if defined(DEBUG_MMU)
- printf("MMU fault: addr=" TARGET_FMT_lx " w=%d u=%d eip=" TARGET_FMT_lx "\n",
+ printf("MMU fault: addr=%" VADDR_PRIx " w=%d u=%d eip=" TARGET_FMT_lx "\n",
addr, is_write1, is_user, env->eip);
#endif
is_write = is_write1 & 1;
if (!(env->cr[0] & CR0_PG_MASK)) {
pte = addr;
+#ifdef TARGET_X86_64
+ if (!(env->hflags & HF_LMA_MASK)) {
+ /* Without long mode we can only address 32bits in real mode */
+ pte = (uint32_t)pte;
+ }
+#endif
virt_addr = addr & TARGET_PAGE_MASK;
prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
page_size = 4096;
sext = (int64_t)addr >> 47;
if (sext != 0 && sext != -1) {
env->error_code = 0;
- env->exception_index = EXCP0D_GPF;
+ cs->exception_index = EXCP0D_GPF;
return 1;
}
pml4e_addr = ((env->cr[3] & ~0xfff) + (((addr >> 39) & 0x1ff) << 3)) &
env->a20_mask;
- pml4e = ldq_phys(pml4e_addr);
+ pml4e = ldq_phys(cs->as, pml4e_addr);
if (!(pml4e & PG_PRESENT_MASK)) {
error_code = 0;
goto do_fault;
}
if (!(pml4e & PG_ACCESSED_MASK)) {
pml4e |= PG_ACCESSED_MASK;
- stl_phys_notdirty(pml4e_addr, pml4e);
+ stl_phys_notdirty(cs->as, pml4e_addr, pml4e);
}
ptep = pml4e ^ PG_NX_MASK;
pdpe_addr = ((pml4e & PHYS_ADDR_MASK) + (((addr >> 30) & 0x1ff) << 3)) &
env->a20_mask;
- pdpe = ldq_phys(pdpe_addr);
+ pdpe = ldq_phys(cs->as, pdpe_addr);
if (!(pdpe & PG_PRESENT_MASK)) {
error_code = 0;
goto do_fault;
ptep &= pdpe ^ PG_NX_MASK;
if (!(pdpe & PG_ACCESSED_MASK)) {
pdpe |= PG_ACCESSED_MASK;
- stl_phys_notdirty(pdpe_addr, pdpe);
+ stl_phys_notdirty(cs->as, pdpe_addr, pdpe);
}
} else
#endif
/* XXX: load them when cr3 is loaded ? */
pdpe_addr = ((env->cr[3] & ~0x1f) + ((addr >> 27) & 0x18)) &
env->a20_mask;
- pdpe = ldq_phys(pdpe_addr);
+ pdpe = ldq_phys(cs->as, pdpe_addr);
if (!(pdpe & PG_PRESENT_MASK)) {
error_code = 0;
goto do_fault;
pde_addr = ((pdpe & PHYS_ADDR_MASK) + (((addr >> 21) & 0x1ff) << 3)) &
env->a20_mask;
- pde = ldq_phys(pde_addr);
+ pde = ldq_phys(cs->as, pde_addr);
if (!(pde & PG_PRESENT_MASK)) {
error_code = 0;
goto do_fault;
/* 2 MB page */
page_size = 2048 * 1024;
ptep ^= PG_NX_MASK;
- if ((ptep & PG_NX_MASK) && is_write1 == 2)
+ if ((ptep & PG_NX_MASK) && is_write1 == 2) {
goto do_fault_protect;
- if (is_user) {
- if (!(ptep & PG_USER_MASK))
+ }
+ switch (mmu_idx) {
+ case MMU_USER_IDX:
+ if (!(ptep & PG_USER_MASK)) {
+ goto do_fault_protect;
+ }
+ if (is_write && !(ptep & PG_RW_MASK)) {
goto do_fault_protect;
- if (is_write && !(ptep & PG_RW_MASK))
+ }
+ break;
+
+ case MMU_KERNEL_IDX:
+ if (is_write1 != 2 && (env->cr[4] & CR4_SMAP_MASK) &&
+ (ptep & PG_USER_MASK)) {
goto do_fault_protect;
- } else {
+ }
+ /* fall through */
+ case MMU_KSMAP_IDX:
+ if (is_write1 == 2 && (env->cr[4] & CR4_SMEP_MASK) &&
+ (ptep & PG_USER_MASK)) {
+ goto do_fault_protect;
+ }
if ((env->cr[0] & CR0_WP_MASK) &&
- is_write && !(ptep & PG_RW_MASK))
+ is_write && !(ptep & PG_RW_MASK)) {
goto do_fault_protect;
+ }
+ break;
+
+ default: /* cannot happen */
+ break;
}
is_dirty = is_write && !(pde & PG_DIRTY_MASK);
if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
pde |= PG_ACCESSED_MASK;
if (is_dirty)
pde |= PG_DIRTY_MASK;
- stl_phys_notdirty(pde_addr, pde);
+ stl_phys_notdirty(cs->as, pde_addr, pde);
}
/* align to page_size */
pte = pde & ((PHYS_ADDR_MASK & ~(page_size - 1)) | 0xfff);
/* 4 KB page */
if (!(pde & PG_ACCESSED_MASK)) {
pde |= PG_ACCESSED_MASK;
- stl_phys_notdirty(pde_addr, pde);
+ stl_phys_notdirty(cs->as, pde_addr, pde);
}
pte_addr = ((pde & PHYS_ADDR_MASK) + (((addr >> 12) & 0x1ff) << 3)) &
env->a20_mask;
- pte = ldq_phys(pte_addr);
+ pte = ldq_phys(cs->as, pte_addr);
if (!(pte & PG_PRESENT_MASK)) {
error_code = 0;
goto do_fault;
ptep ^= PG_NX_MASK;
if ((ptep & PG_NX_MASK) && is_write1 == 2)
goto do_fault_protect;
- if (is_user) {
- if (!(ptep & PG_USER_MASK))
+ switch (mmu_idx) {
+ case MMU_USER_IDX:
+ if (!(ptep & PG_USER_MASK)) {
goto do_fault_protect;
- if (is_write && !(ptep & PG_RW_MASK))
+ }
+ if (is_write && !(ptep & PG_RW_MASK)) {
goto do_fault_protect;
- } else {
+ }
+ break;
+
+ case MMU_KERNEL_IDX:
+ if (is_write1 != 2 && (env->cr[4] & CR4_SMAP_MASK) &&
+ (ptep & PG_USER_MASK)) {
+ goto do_fault_protect;
+ }
+ /* fall through */
+ case MMU_KSMAP_IDX:
+ if (is_write1 == 2 && (env->cr[4] & CR4_SMEP_MASK) &&
+ (ptep & PG_USER_MASK)) {
+ goto do_fault_protect;
+ }
if ((env->cr[0] & CR0_WP_MASK) &&
- is_write && !(ptep & PG_RW_MASK))
+ is_write && !(ptep & PG_RW_MASK)) {
goto do_fault_protect;
+ }
+ break;
+
+ default: /* cannot happen */
+ break;
}
is_dirty = is_write && !(pte & PG_DIRTY_MASK);
if (!(pte & PG_ACCESSED_MASK) || is_dirty) {
pte |= PG_ACCESSED_MASK;
if (is_dirty)
pte |= PG_DIRTY_MASK;
- stl_phys_notdirty(pte_addr, pte);
+ stl_phys_notdirty(cs->as, pte_addr, pte);
}
page_size = 4096;
virt_addr = addr & ~0xfff;
/* page directory entry */
pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & 0xffc)) &
env->a20_mask;
- pde = ldl_phys(pde_addr);
+ pde = ldl_phys(cs->as, pde_addr);
if (!(pde & PG_PRESENT_MASK)) {
error_code = 0;
goto do_fault;
/* if PSE bit is set, then we use a 4MB page */
if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
page_size = 4096 * 1024;
- if (is_user) {
- if (!(pde & PG_USER_MASK))
+ switch (mmu_idx) {
+ case MMU_USER_IDX:
+ if (!(pde & PG_USER_MASK)) {
goto do_fault_protect;
- if (is_write && !(pde & PG_RW_MASK))
+ }
+ if (is_write && !(pde & PG_RW_MASK)) {
goto do_fault_protect;
- } else {
+ }
+ break;
+
+ case MMU_KERNEL_IDX:
+ if (is_write1 != 2 && (env->cr[4] & CR4_SMAP_MASK) &&
+ (pde & PG_USER_MASK)) {
+ goto do_fault_protect;
+ }
+ /* fall through */
+ case MMU_KSMAP_IDX:
+ if (is_write1 == 2 && (env->cr[4] & CR4_SMEP_MASK) &&
+ (pde & PG_USER_MASK)) {
+ goto do_fault_protect;
+ }
if ((env->cr[0] & CR0_WP_MASK) &&
- is_write && !(pde & PG_RW_MASK))
+ is_write && !(pde & PG_RW_MASK)) {
goto do_fault_protect;
+ }
+ break;
+
+ default: /* cannot happen */
+ break;
}
is_dirty = is_write && !(pde & PG_DIRTY_MASK);
if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
pde |= PG_ACCESSED_MASK;
if (is_dirty)
pde |= PG_DIRTY_MASK;
- stl_phys_notdirty(pde_addr, pde);
+ stl_phys_notdirty(cs->as, pde_addr, pde);
}
pte = pde & ~( (page_size - 1) & ~0xfff); /* align to page_size */
} else {
if (!(pde & PG_ACCESSED_MASK)) {
pde |= PG_ACCESSED_MASK;
- stl_phys_notdirty(pde_addr, pde);
+ stl_phys_notdirty(cs->as, pde_addr, pde);
}
/* page directory entry */
pte_addr = ((pde & ~0xfff) + ((addr >> 10) & 0xffc)) &
env->a20_mask;
- pte = ldl_phys(pte_addr);
+ pte = ldl_phys(cs->as, pte_addr);
if (!(pte & PG_PRESENT_MASK)) {
error_code = 0;
goto do_fault;
}
/* combine pde and pte user and rw protections */
ptep = pte & pde;
- if (is_user) {
- if (!(ptep & PG_USER_MASK))
+ switch (mmu_idx) {
+ case MMU_USER_IDX:
+ if (!(ptep & PG_USER_MASK)) {
goto do_fault_protect;
- if (is_write && !(ptep & PG_RW_MASK))
+ }
+ if (is_write && !(ptep & PG_RW_MASK)) {
goto do_fault_protect;
- } else {
+ }
+ break;
+
+ case MMU_KERNEL_IDX:
+ if (is_write1 != 2 && (env->cr[4] & CR4_SMAP_MASK) &&
+ (ptep & PG_USER_MASK)) {
+ goto do_fault_protect;
+ }
+ /* fall through */
+ case MMU_KSMAP_IDX:
+ if (is_write1 == 2 && (env->cr[4] & CR4_SMEP_MASK) &&
+ (ptep & PG_USER_MASK)) {
+ goto do_fault_protect;
+ }
if ((env->cr[0] & CR0_WP_MASK) &&
- is_write && !(ptep & PG_RW_MASK))
+ is_write && !(ptep & PG_RW_MASK)) {
goto do_fault_protect;
+ }
+ break;
+
+ default: /* cannot happen */
+ break;
}
is_dirty = is_write && !(pte & PG_DIRTY_MASK);
if (!(pte & PG_ACCESSED_MASK) || is_dirty) {
pte |= PG_ACCESSED_MASK;
if (is_dirty)
pte |= PG_DIRTY_MASK;
- stl_phys_notdirty(pte_addr, pte);
+ stl_phys_notdirty(cs->as, pte_addr, pte);
}
page_size = 4096;
virt_addr = addr & ~0xfff;
paddr = (pte & TARGET_PAGE_MASK) + page_offset;
vaddr = virt_addr + page_offset;
- tlb_set_page(env, vaddr, paddr, prot, mmu_idx, page_size);
+ tlb_set_page(cs, vaddr, paddr, prot, mmu_idx, page_size);
return 0;
do_fault_protect:
error_code = PG_ERROR_P_MASK;
if (is_user)
error_code |= PG_ERROR_U_MASK;
if (is_write1 == 2 &&
- (env->efer & MSR_EFER_NXE) &&
- (env->cr[4] & CR4_PAE_MASK))
+ (((env->efer & MSR_EFER_NXE) &&
+ (env->cr[4] & CR4_PAE_MASK)) ||
+ (env->cr[4] & CR4_SMEP_MASK)))
error_code |= PG_ERROR_I_D_MASK;
if (env->intercept_exceptions & (1 << EXCP0E_PAGE)) {
/* cr2 is not modified in case of exceptions */
- stq_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_info_2),
+ stq_phys(cs->as,
+ env->vm_vmcb + offsetof(struct vmcb, control.exit_info_2),
addr);
} else {
env->cr[2] = addr;
}
env->error_code = error_code;
- env->exception_index = EXCP0E_PAGE;
+ cs->exception_index = EXCP0E_PAGE;
return 1;
}
-target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
+hwaddr x86_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
{
+ X86CPU *cpu = X86_CPU(cs);
+ CPUX86State *env = &cpu->env;
target_ulong pde_addr, pte_addr;
uint64_t pte;
- target_phys_addr_t paddr;
+ hwaddr paddr;
uint32_t page_offset;
int page_size;
- if (env->cr[4] & CR4_PAE_MASK) {
+ if (!(env->cr[0] & CR0_PG_MASK)) {
+ pte = addr & env->a20_mask;
+ page_size = 4096;
+ } else if (env->cr[4] & CR4_PAE_MASK) {
target_ulong pdpe_addr;
uint64_t pde, pdpe;
pml4e_addr = ((env->cr[3] & ~0xfff) + (((addr >> 39) & 0x1ff) << 3)) &
env->a20_mask;
- pml4e = ldq_phys(pml4e_addr);
+ pml4e = ldq_phys(cs->as, pml4e_addr);
if (!(pml4e & PG_PRESENT_MASK))
return -1;
- pdpe_addr = ((pml4e & ~0xfff) + (((addr >> 30) & 0x1ff) << 3)) &
- env->a20_mask;
- pdpe = ldq_phys(pdpe_addr);
+ pdpe_addr = ((pml4e & ~0xfff & ~(PG_NX_MASK | PG_HI_USER_MASK)) +
+ (((addr >> 30) & 0x1ff) << 3)) & env->a20_mask;
+ pdpe = ldq_phys(cs->as, pdpe_addr);
if (!(pdpe & PG_PRESENT_MASK))
return -1;
} else
{
pdpe_addr = ((env->cr[3] & ~0x1f) + ((addr >> 27) & 0x18)) &
env->a20_mask;
- pdpe = ldq_phys(pdpe_addr);
+ pdpe = ldq_phys(cs->as, pdpe_addr);
if (!(pdpe & PG_PRESENT_MASK))
return -1;
}
- pde_addr = ((pdpe & ~0xfff) + (((addr >> 21) & 0x1ff) << 3)) &
- env->a20_mask;
- pde = ldq_phys(pde_addr);
+ pde_addr = ((pdpe & ~0xfff & ~(PG_NX_MASK | PG_HI_USER_MASK)) +
+ (((addr >> 21) & 0x1ff) << 3)) & env->a20_mask;
+ pde = ldq_phys(cs->as, 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 = ldq_phys(cs->as, pte_addr);
}
+ pte &= ~(PG_NX_MASK | PG_HI_USER_MASK);
if (!(pte & PG_PRESENT_MASK))
return -1;
} else {
uint32_t pde;
- if (!(env->cr[0] & CR0_PG_MASK)) {
- pte = addr;
- page_size = 4096;
+ /* page directory entry */
+ pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & 0xffc)) & env->a20_mask;
+ pde = ldl_phys(cs->as, pde_addr);
+ if (!(pde & PG_PRESENT_MASK))
+ return -1;
+ if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
+ pte = pde & ~0x003ff000; /* align to 4MB */
+ page_size = 4096 * 1024;
} else {
/* page directory entry */
- pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & 0xffc)) & env->a20_mask;
- pde = ldl_phys(pde_addr);
- if (!(pde & PG_PRESENT_MASK))
+ pte_addr = ((pde & ~0xfff) + ((addr >> 10) & 0xffc)) & env->a20_mask;
+ pte = ldl_phys(cs->as, pte_addr);
+ if (!(pte & PG_PRESENT_MASK))
return -1;
- if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
- pte = pde & ~0x003ff000; /* align to 4MB */
- page_size = 4096 * 1024;
- } else {
- /* page directory entry */
- pte_addr = ((pde & ~0xfff) + ((addr >> 10) & 0xffc)) & env->a20_mask;
- pte = ldl_phys(pte_addr);
- if (!(pte & PG_PRESENT_MASK))
- return -1;
- page_size = 4096;
- }
+ page_size = 4096;
}
pte = pte & env->a20_mask;
}
return paddr;
}
-void hw_breakpoint_insert(CPUState *env, int index)
+void hw_breakpoint_insert(CPUX86State *env, int index)
{
- int type, err = 0;
+ CPUState *cs = CPU(x86_env_get_cpu(env));
+ int type = 0, err = 0;
switch (hw_breakpoint_type(env->dr[7], index)) {
- case 0:
- if (hw_breakpoint_enabled(env->dr[7], index))
- err = cpu_breakpoint_insert(env, env->dr[index], BP_CPU,
+ case DR7_TYPE_BP_INST:
+ if (hw_breakpoint_enabled(env->dr[7], index)) {
+ err = cpu_breakpoint_insert(cs, env->dr[index], BP_CPU,
&env->cpu_breakpoint[index]);
+ }
break;
- case 1:
+ case DR7_TYPE_DATA_WR:
type = BP_CPU | BP_MEM_WRITE;
- goto insert_wp;
- case 2:
- /* No support for I/O watchpoints yet */
break;
- case 3:
+ case DR7_TYPE_IO_RW:
+ /* No support for I/O watchpoints yet */
+ break;
+ case DR7_TYPE_DATA_RW:
type = BP_CPU | BP_MEM_ACCESS;
- insert_wp:
- err = cpu_watchpoint_insert(env, env->dr[index],
+ break;
+ }
+
+ if (type != 0) {
+ err = cpu_watchpoint_insert(cs, env->dr[index],
hw_breakpoint_len(env->dr[7], index),
type, &env->cpu_watchpoint[index]);
- break;
}
- if (err)
+
+ if (err) {
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])
+ CPUState *cs;
+
+ if (!env->cpu_breakpoint[index]) {
return;
+ }
+ cs = CPU(x86_env_get_cpu(env));
switch (hw_breakpoint_type(env->dr[7], index)) {
- case 0:
- if (hw_breakpoint_enabled(env->dr[7], index))
- cpu_breakpoint_remove_by_ref(env, env->cpu_breakpoint[index]);
+ case DR7_TYPE_BP_INST:
+ if (hw_breakpoint_enabled(env->dr[7], index)) {
+ cpu_breakpoint_remove_by_ref(cs, env->cpu_breakpoint[index]);
+ }
break;
- case 1:
- case 3:
- cpu_watchpoint_remove_by_ref(env, env->cpu_watchpoint[index]);
+ case DR7_TYPE_DATA_WR:
+ case DR7_TYPE_DATA_RW:
+ cpu_watchpoint_remove_by_ref(cs, env->cpu_watchpoint[index]);
break;
- case 2:
+ case DR7_TYPE_IO_RW:
/* No support for I/O watchpoints yet */
break;
}
}
-int check_hw_breakpoints(CPUState *env, int force_dr6_update)
+bool check_hw_breakpoints(CPUX86State *env, bool force_dr6_update)
{
target_ulong dr6;
- int reg, type;
- int hit_enabled = 0;
+ int reg;
+ bool hit_enabled = false;
dr6 = env->dr[6] & ~0xf;
- for (reg = 0; reg < 4; reg++) {
- type = hw_breakpoint_type(env->dr[7], reg);
- if ((type == 0 && env->dr[reg] == env->eip) ||
- ((type & 1) && env->cpu_watchpoint[reg] &&
- (env->cpu_watchpoint[reg]->flags & BP_WATCHPOINT_HIT))) {
+ for (reg = 0; reg < DR7_MAX_BP; reg++) {
+ bool bp_match = false;
+ bool wp_match = false;
+
+ switch (hw_breakpoint_type(env->dr[7], reg)) {
+ case DR7_TYPE_BP_INST:
+ if (env->dr[reg] == env->eip) {
+ bp_match = true;
+ }
+ break;
+ case DR7_TYPE_DATA_WR:
+ case DR7_TYPE_DATA_RW:
+ if (env->cpu_watchpoint[reg] &&
+ env->cpu_watchpoint[reg]->flags & BP_WATCHPOINT_HIT) {
+ wp_match = true;
+ }
+ break;
+ case DR7_TYPE_IO_RW:
+ break;
+ }
+ if (bp_match || wp_match) {
dr6 |= 1 << reg;
- if (hw_breakpoint_enabled(env->dr[7], reg))
- hit_enabled = 1;
+ if (hw_breakpoint_enabled(env->dr[7], reg)) {
+ hit_enabled = true;
+ }
}
}
- if (hit_enabled || force_dr6_update)
+
+ if (hit_enabled || force_dr6_update) {
env->dr[6] = dr6;
+ }
+
return hit_enabled;
}
-static CPUDebugExcpHandler *prev_debug_excp_handler;
-
-static void breakpoint_handler(CPUState *env)
+void breakpoint_handler(CPUX86State *env)
{
+ CPUState *cs = CPU(x86_env_get_cpu(env));
CPUBreakpoint *bp;
- if (env->watchpoint_hit) {
- if (env->watchpoint_hit->flags & BP_CPU) {
- env->watchpoint_hit = NULL;
- if (check_hw_breakpoints(env, 0))
- raise_exception_env(EXCP01_DB, env);
- else
- cpu_resume_from_signal(env, NULL);
+ if (cs->watchpoint_hit) {
+ if (cs->watchpoint_hit->flags & BP_CPU) {
+ cs->watchpoint_hit = NULL;
+ if (check_hw_breakpoints(env, false)) {
+ raise_exception(env, EXCP01_DB);
+ } else {
+ cpu_resume_from_signal(cs, NULL);
+ }
}
} else {
- QTAILQ_FOREACH(bp, &env->breakpoints, entry)
+ QTAILQ_FOREACH(bp, &cs->breakpoints, entry) {
if (bp->pc == env->eip) {
if (bp->flags & BP_CPU) {
- check_hw_breakpoints(env, 1);
- raise_exception_env(EXCP01_DB, env);
+ check_hw_breakpoints(env, true);
+ raise_exception(env, EXCP01_DB);
}
break;
}
+ }
}
- if (prev_debug_excp_handler)
- prev_debug_excp_handler(env);
}
typedef struct MCEInjectionParams {
Monitor *mon;
- CPUState *env;
+ X86CPU *cpu;
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 = ¶ms->cpu->env;
+ CPUState *cpu = CPU(params->cpu);
uint64_t *banks = cenv->mce_banks + 4 * params->bank;
- cpu_synchronize_state(cenv);
+ cpu_synchronize_state(cpu);
/*
* If there is an MCE exception being processed, ignore this SRAO MCE
if ((cenv->mcg_cap & MCG_CTL_P) && cenv->mcg_ctl != ~(uint64_t)0) {
monitor_printf(params->mon,
"CPU %d: Uncorrected error reporting disabled\n",
- cenv->cpu_index);
+ cpu->cpu_index);
return;
}
monitor_printf(params->mon,
"CPU %d: Uncorrected error reporting disabled for"
" bank %d\n",
- cenv->cpu_index, params->bank);
+ cpu->cpu_index, params->bank);
return;
}
monitor_printf(params->mon,
"CPU %d: Previous MCE still in progress, raising"
" triple fault\n",
- cenv->cpu_index);
+ cpu->cpu_index);
qemu_log_mask(CPU_LOG_RESET, "Triple fault\n");
qemu_system_reset_request();
return;
banks[3] = params->misc;
cenv->mcg_status = params->mcg_status;
banks[1] = params->status;
- cpu_interrupt(cenv, CPU_INTERRUPT_MCE);
+ cpu_interrupt(cpu, CPU_INTERRUPT_MCE);
} else if (!(banks[1] & MCI_STATUS_VAL)
|| !(banks[1] & MCI_STATUS_UC)) {
if (banks[1] & MCI_STATUS_VAL) {
}
}
-void cpu_x86_inject_mce(Monitor *mon, CPUState *cenv, int bank,
+void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
uint64_t status, uint64_t mcg_status, uint64_t addr,
uint64_t misc, int flags)
{
+ CPUState *cs = CPU(cpu);
+ CPUX86State *cenv = &cpu->env;
MCEInjectionParams params = {
.mon = mon,
- .env = cenv,
+ .cpu = cpu,
.bank = bank,
.status = status,
.mcg_status = mcg_status,
.flags = flags,
};
unsigned bank_num = cenv->mcg_cap & 0xff;
- CPUState *env;
if (!cenv->mcg_cap) {
monitor_printf(mon, "MCE injection not supported\n");
return;
}
- run_on_cpu(cenv, do_inject_x86_mce, ¶ms);
+ run_on_cpu(cs, do_inject_x86_mce, ¶ms);
if (flags & MCE_INJECT_BROADCAST) {
+ CPUState *other_cs;
+
params.bank = 1;
params.status = MCI_STATUS_VAL | MCI_STATUS_UC;
params.mcg_status = MCG_STATUS_MCIP | MCG_STATUS_RIPV;
params.addr = 0;
params.misc = 0;
- for (env = first_cpu; env != NULL; env = env->next_cpu) {
- if (cenv == env) {
+ CPU_FOREACH(other_cs) {
+ if (other_cs == cs) {
continue;
}
- params.env = env;
- run_on_cpu(cenv, do_inject_x86_mce, ¶ms);
+ params.cpu = X86_CPU(other_cs);
+ run_on_cpu(other_cs, do_inject_x86_mce, ¶ms);
}
}
}
-#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;
- }
+ X86CPU *cpu = x86_env_get_cpu(env);
+ CPUState *cs = CPU(cpu);
+
+ if (kvm_enabled()) {
+ env->tpr_access_type = access;
+
+ cpu_interrupt(cs, CPU_INTERRUPT_TPR);
+ } else {
+ cpu_restore_state(cs, cs->mem_io_pc);
+
+ apic_handle_tpr_access_report(cpu->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,
unsigned int *flags)
{
+ X86CPU *cpu = x86_env_get_cpu(env);
+ CPUState *cs = CPU(cpu);
SegmentCache *dt;
target_ulong ptr;
uint32_t e1, e2;
index = selector & ~7;
ptr = dt->base + index;
if ((index + 7) > dt->limit
- || cpu_memory_rw_debug(env, ptr, (uint8_t *)&e1, sizeof(e1), 0) != 0
- || cpu_memory_rw_debug(env, ptr+4, (uint8_t *)&e2, sizeof(e2), 0) != 0)
+ || cpu_memory_rw_debug(cs, ptr, (uint8_t *)&e1, sizeof(e1), 0) != 0
+ || cpu_memory_rw_debug(cs, ptr+4, (uint8_t *)&e2, sizeof(e2), 0) != 0)
return 0;
*base = ((e1 >> 16) | ((e2 & 0xff) << 16) | (e2 & 0xff000000));
return 1;
}
-CPUX86State *cpu_x86_init(const char *cpu_model)
-{
- CPUX86State *env;
- static int inited;
-
- env = g_malloc0(sizeof(CPUX86State));
- cpu_exec_init(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);
- return NULL;
- }
- env->cpuid_apic_id = env->cpu_index;
- mce_init(env);
-
- qemu_init_vcpu(env);
-
- return env;
-}
-
#if !defined(CONFIG_USER_ONLY)
-void do_cpu_init(CPUState *env)
+void do_cpu_init(X86CPU *cpu)
{
- int sipi = env->interrupt_request & CPU_INTERRUPT_SIPI;
+ CPUState *cs = CPU(cpu);
+ CPUX86State *env = &cpu->env;
+ int sipi = cs->interrupt_request & CPU_INTERRUPT_SIPI;
uint64_t pat = env->pat;
- cpu_reset(env);
- env->interrupt_request = sipi;
+ cpu_reset(cs);
+ cs->interrupt_request = sipi;
env->pat = pat;
- apic_init_reset(env->apic_state);
- env->halted = !cpu_is_bsp(env);
+ apic_init_reset(cpu->apic_state);
}
-void do_cpu_sipi(CPUState *env)
+void do_cpu_sipi(X86CPU *cpu)
{
- apic_sipi(env->apic_state);
+ apic_sipi(cpu->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