#include "kvm.h"
#ifndef CONFIG_USER_ONLY
#include "sysemu.h"
-#include "monitor.h"
+#include "monitor/monitor.h"
#endif
//#define DEBUG_MMU
-/* NOTE: must be called outside the CPU execute loop */
-void cpu_state_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);
-}
-
static void cpu_x86_version(CPUX86State *env, int *family, int *model)
{
int cpuver = env->cpuid_version;
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++) {
#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))) {
+ if ((new_cr4 ^ env->cr[4]) &
+ (CR4_PGE_MASK | CR4_PAE_MASK | CR4_PSE_MASK |
+ CR4_SMEP_MASK | CR4_SMAP_MASK)) {
tlb_flush(env, 1);
}
/* SSE handling */
- if (!(env->cpuid_features & CPUID_SSE))
+ if (!(env->cpuid_features & 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->cpuid_7_0_ebx_features & 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;
}
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;
/* 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))
+ }
+ 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 && !(pde & PG_DIRTY_MASK);
if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
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) {
/* 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) {
}
/* 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) {
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 */
return 1;
}
-target_phys_addr_t cpu_get_phys_page_debug(CPUX86State *env, target_ulong addr)
+hwaddr cpu_get_phys_page_debug(CPUX86State *env, target_ulong addr)
{
target_ulong pde_addr, pte_addr;
uint64_t pte;
- target_phys_addr_t paddr;
+ hwaddr paddr;
uint32_t page_offset;
int page_size;
return hit_enabled;
}
-static CPUDebugExcpHandler *prev_debug_excp_handler;
-
-static void breakpoint_handler(CPUX86State *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 {
}
}
-void cpu_x86_inject_mce(Monitor *mon, CPUX86State *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)
{
+ CPUX86State *cenv = &cpu->env;
MCEInjectionParams params = {
.mon = mon,
.env = cenv,
return;
}
- run_on_cpu(cenv, do_inject_x86_mce, ¶ms);
+ run_on_cpu(CPU(cpu), do_inject_x86_mce, ¶ms);
if (flags & MCE_INJECT_BROADCAST) {
params.bank = 1;
params.status = MCI_STATUS_VAL | MCI_STATUS_UC;
continue;
}
params.env = env;
- run_on_cpu(cenv, do_inject_x86_mce, ¶ms);
+ run_on_cpu(CPU(cpu), do_inject_x86_mce, ¶ms);
}
}
}
void cpu_report_tpr_access(CPUX86State *env, TPRAccess access)
{
- 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);
+ cpu_restore_state(env, env->mem_io_pc);
apic_handle_tpr_access_report(env->apic_state, env->eip, access);
}
}
#endif /* !CONFIG_USER_ONLY */
-static void mce_init(CPUX86State *cenv)
-{
- 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;
- }
- }
-}
-
int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
target_ulong *base, unsigned int *limit,
unsigned int *flags)
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;
+ Error *error = NULL;
cpu = X86_CPU(object_new(TYPE_X86_CPU));
env = &cpu->env;
- 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) {
+ if (cpu_x86_register(cpu, cpu_model) < 0) {
object_delete(OBJECT(cpu));
return NULL;
}
- env->cpuid_apic_id = env->cpu_index;
- mce_init(env);
- qemu_init_vcpu(env);
-
- return env;
+ x86_cpu_realize(OBJECT(cpu), &error);
+ if (error) {
+ error_free(error);
+ object_delete(OBJECT(cpu));
+ return NULL;
+ }
+ return cpu;
}
#if !defined(CONFIG_USER_ONLY)
-void do_cpu_init(CPUX86State *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_state_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(CPUX86State *env)
+void do_cpu_sipi(X86CPU *cpu)
{
+ CPUX86State *env = &cpu->env;
+
apic_sipi(env->apic_state);
}
#else
-void do_cpu_init(CPUX86State *env)
+void do_cpu_init(X86CPU *cpu)
{
}
-void do_cpu_sipi(CPUX86State *env)
+void do_cpu_sipi(X86CPU *cpu)
{
}
#endif
projects / qemu.git / blobdiff