static int x86_cpu_gdb_load_seg(X86CPU *cpu, int sreg, uint8_t *mem_buf)
{
CPUX86State *env = &cpu->env;
uint16_t selector = ldl_p(mem_buf);
if (selector != env->segs[sreg].selector) {
#if defined(CONFIG_USER_ONLY)
cpu_x86_load_seg(env, sreg, selector);
#else
unsigned int limit, flags;
target_ulong base;
if (!(env->cr[0] & CR0_PE_MASK) || (env->eflags & VM_MASK)) {
int dpl = (env->eflags & VM_MASK) ? 3 : 0;
base = selector << 4;
limit = 0xffff;
flags = DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK | (dpl << DESC_DPL_SHIFT);
} else {
if (!cpu_x86_get_descr_debug(env, selector, &base, &limit,
&flags)) {
return 4;
}
}
cpu_x86_load_seg_cache(env, sreg, selector, base, limit, flags);
#endif
}
return 4;
}
/* 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;
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);
env->mcg_status = 0;
}
void do_smm_enter(X86CPU *cpu)
{
CPUX86State *env = &cpu->env;
CPUState *cs = CPU(cpu);
target_ulong sm_state;
SegmentCache *dt;
int i, offset;
qemu_log_mask(CPU_LOG_INT, "SMM: enter\n");
log_cpu_state_mask(CPU_LOG_INT, CPU(cpu), CPU_DUMP_CCOP);
env->hflags |= HF_SMM_MASK;
if (env->hflags2 & HF2_NMI_MASK) {
env->hflags2 |= HF2_SMM_INSIDE_NMI_MASK;
} else {
env->hflags2 |= HF2_NMI_MASK;
}
cpu_smm_update(cpu);
sm_state = env->smbase + 0x8000;
#ifdef TARGET_X86_64
for (i = 0; i < 6; i++) {
dt = &env->segs[i];
offset = 0x7e00 + i * 16;
x86_stw_phys(cs, sm_state + offset, dt->selector);
x86_stw_phys(cs, sm_state + offset + 2, (dt->flags >> 8) & 0xf0ff);
x86_stl_phys(cs, sm_state + offset + 4, dt->limit);
x86_stq_phys(cs, sm_state + offset + 8, dt->base);
}
x86_stq_phys(cs, sm_state + 0x7e68, env->gdt.base);
x86_stl_phys(cs, sm_state + 0x7e64, env->gdt.limit);
x86_stw_phys(cs, sm_state + 0x7e70, env->ldt.selector);
x86_stq_phys(cs, sm_state + 0x7e78, env->ldt.base);
x86_stl_phys(cs, sm_state + 0x7e74, env->ldt.limit);
x86_stw_phys(cs, sm_state + 0x7e72, (env->ldt.flags >> 8) & 0xf0ff);
x86_stq_phys(cs, sm_state + 0x7e88, env->idt.base);
x86_stl_phys(cs, sm_state + 0x7e84, env->idt.limit);
x86_stw_phys(cs, sm_state + 0x7e90, env->tr.selector);
x86_stq_phys(cs, sm_state + 0x7e98, env->tr.base);
x86_stl_phys(cs, sm_state + 0x7e94, env->tr.limit);
x86_stw_phys(cs, sm_state + 0x7e92, (env->tr.flags >> 8) & 0xf0ff);
/* ??? Vol 1, 16.5.6 Intel MPX and SMM says that IA32_BNDCFGS
is saved at offset 7ED0. Vol 3, 34.4.1.1, Table 32-2, has
7EA0-7ED7 as "reserved". What's this, and what's really
supposed to happen? */
x86_stq_phys(cs, sm_state + 0x7ed0, env->efer);
x86_stq_phys(cs, sm_state + 0x7ff8, env->regs[R_EAX]);
x86_stq_phys(cs, sm_state + 0x7ff0, env->regs[R_ECX]);
x86_stq_phys(cs, sm_state + 0x7fe8, env->regs[R_EDX]);
x86_stq_phys(cs, sm_state + 0x7fe0, env->regs[R_EBX]);
x86_stq_phys(cs, sm_state + 0x7fd8, env->regs[R_ESP]);
x86_stq_phys(cs, sm_state + 0x7fd0, env->regs[R_EBP]);
x86_stq_phys(cs, sm_state + 0x7fc8, env->regs[R_ESI]);
x86_stq_phys(cs, sm_state + 0x7fc0, env->regs[R_EDI]);
for (i = 8; i < 16; i++) {
x86_stq_phys(cs, sm_state + 0x7ff8 - i * 8, env->regs[i]);
}
x86_stq_phys(cs, sm_state + 0x7f78, env->eip);
x86_stl_phys(cs, sm_state + 0x7f70, cpu_compute_eflags(env));
x86_stl_phys(cs, sm_state + 0x7f68, env->dr[6]);
x86_stl_phys(cs, sm_state + 0x7f60, env->dr[7]);
x86_stl_phys(cs, sm_state + 0x7f48, env->cr[4]);
x86_stq_phys(cs, sm_state + 0x7f50, env->cr[3]);
x86_stl_phys(cs, sm_state + 0x7f58, env->cr[0]);
x86_stl_phys(cs, sm_state + 0x7efc, SMM_REVISION_ID);
x86_stl_phys(cs, sm_state + 0x7f00, env->smbase);
#else
x86_stl_phys(cs, sm_state + 0x7ffc, env->cr[0]);
x86_stl_phys(cs, sm_state + 0x7ff8, env->cr[3]);
x86_stl_phys(cs, sm_state + 0x7ff4, cpu_compute_eflags(env));
x86_stl_phys(cs, sm_state + 0x7ff0, env->eip);
x86_stl_phys(cs, sm_state + 0x7fec, env->regs[R_EDI]);
x86_stl_phys(cs, sm_state + 0x7fe8, env->regs[R_ESI]);
x86_stl_phys(cs, sm_state + 0x7fe4, env->regs[R_EBP]);
x86_stl_phys(cs, sm_state + 0x7fe0, env->regs[R_ESP]);
x86_stl_phys(cs, sm_state + 0x7fdc, env->regs[R_EBX]);
x86_stl_phys(cs, sm_state + 0x7fd8, env->regs[R_EDX]);
x86_stl_phys(cs, sm_state + 0x7fd4, env->regs[R_ECX]);
x86_stl_phys(cs, sm_state + 0x7fd0, env->regs[R_EAX]);
x86_stl_phys(cs, sm_state + 0x7fcc, env->dr[6]);
x86_stl_phys(cs, sm_state + 0x7fc8, env->dr[7]);
x86_stl_phys(cs, sm_state + 0x7fc4, env->tr.selector);
x86_stl_phys(cs, sm_state + 0x7f64, env->tr.base);
x86_stl_phys(cs, sm_state + 0x7f60, env->tr.limit);
x86_stl_phys(cs, sm_state + 0x7f5c, (env->tr.flags >> 8) & 0xf0ff);
x86_stl_phys(cs, sm_state + 0x7fc0, env->ldt.selector);
x86_stl_phys(cs, sm_state + 0x7f80, env->ldt.base);
x86_stl_phys(cs, sm_state + 0x7f7c, env->ldt.limit);
x86_stl_phys(cs, sm_state + 0x7f78, (env->ldt.flags >> 8) & 0xf0ff);
x86_stl_phys(cs, sm_state + 0x7f74, env->gdt.base);
x86_stl_phys(cs, sm_state + 0x7f70, env->gdt.limit);
x86_stl_phys(cs, sm_state + 0x7f58, env->idt.base);
x86_stl_phys(cs, sm_state + 0x7f54, env->idt.limit);
for (i = 0; i < 6; i++) {
dt = &env->segs[i];
if (i < 3) {
offset = 0x7f84 + i * 12;
} else {
offset = 0x7f2c + (i - 3) * 12;
}
x86_stl_phys(cs, sm_state + 0x7fa8 + i * 4, dt->selector);
x86_stl_phys(cs, sm_state + offset + 8, dt->base);
x86_stl_phys(cs, sm_state + offset + 4, dt->limit);
x86_stl_phys(cs, sm_state + offset, (dt->flags >> 8) & 0xf0ff);
}
x86_stl_phys(cs, sm_state + 0x7f14, env->cr[4]);
x86_stl_phys(cs, sm_state + 0x7efc, SMM_REVISION_ID);
x86_stl_phys(cs, sm_state + 0x7ef8, env->smbase);
#endif
/* init SMM cpu state */
#ifdef TARGET_X86_64
cpu_load_efer(env, 0);
#endif
cpu_load_eflags(env, 0, ~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C |
DF_MASK));
env->eip = 0x00008000;
cpu_x86_update_cr0(env,
env->cr[0] & ~(CR0_PE_MASK | CR0_EM_MASK | CR0_TS_MASK |
CR0_PG_MASK));
cpu_x86_update_cr4(env, 0);
env->dr[7] = 0x00000400;
cpu_x86_load_seg_cache(env, R_CS, (env->smbase >> 4) & 0xffff, env->smbase,
0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_G_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_G_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_G_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_G_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_G_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_G_MASK | DESC_A_MASK);
}
void helper_rsm(CPUX86State *env)
{
X86CPU *cpu = x86_env_get_cpu(env);
CPUState *cs = CPU(cpu);
target_ulong sm_state;
int i, offset;
uint32_t val;
sm_state = env->smbase + 0x8000;
#ifdef TARGET_X86_64
cpu_load_efer(env, x86_ldq_phys(cs, sm_state + 0x7ed0));
env->gdt.base = x86_ldq_phys(cs, sm_state + 0x7e68);
env->gdt.limit = x86_ldl_phys(cs, sm_state + 0x7e64);
env->ldt.selector = x86_lduw_phys(cs, sm_state + 0x7e70);
env->ldt.base = x86_ldq_phys(cs, sm_state + 0x7e78);
env->ldt.limit = x86_ldl_phys(cs, sm_state + 0x7e74);
env->ldt.flags = (x86_lduw_phys(cs, sm_state + 0x7e72) & 0xf0ff) << 8;
env->idt.base = x86_ldq_phys(cs, sm_state + 0x7e88);
env->idt.limit = x86_ldl_phys(cs, sm_state + 0x7e84);
env->tr.selector = x86_lduw_phys(cs, sm_state + 0x7e90);
env->tr.base = x86_ldq_phys(cs, sm_state + 0x7e98);
env->tr.limit = x86_ldl_phys(cs, sm_state + 0x7e94);
env->tr.flags = (x86_lduw_phys(cs, sm_state + 0x7e92) & 0xf0ff) << 8;
env->regs[R_EAX] = x86_ldq_phys(cs, sm_state + 0x7ff8);
env->regs[R_ECX] = x86_ldq_phys(cs, sm_state + 0x7ff0);
env->regs[R_EDX] = x86_ldq_phys(cs, sm_state + 0x7fe8);
env->regs[R_EBX] = x86_ldq_phys(cs, sm_state + 0x7fe0);
env->regs[R_ESP] = x86_ldq_phys(cs, sm_state + 0x7fd8);
env->regs[R_EBP] = x86_ldq_phys(cs, sm_state + 0x7fd0);
env->regs[R_ESI] = x86_ldq_phys(cs, sm_state + 0x7fc8);
env->regs[R_EDI] = x86_ldq_phys(cs, sm_state + 0x7fc0);
for (i = 8; i < 16; i++) {
env->regs[i] = x86_ldq_phys(cs, sm_state + 0x7ff8 - i * 8);
}
env->eip = x86_ldq_phys(cs, sm_state + 0x7f78);
cpu_load_eflags(env, x86_ldl_phys(cs, sm_state + 0x7f70),
~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C | DF_MASK));
env->dr[6] = x86_ldl_phys(cs, sm_state + 0x7f68);
env->dr[7] = x86_ldl_phys(cs, sm_state + 0x7f60);
cpu_x86_update_cr4(env, x86_ldl_phys(cs, sm_state + 0x7f48));
cpu_x86_update_cr3(env, x86_ldq_phys(cs, sm_state + 0x7f50));
cpu_x86_update_cr0(env, x86_ldl_phys(cs, sm_state + 0x7f58));
for (i = 0; i < 6; i++) {
offset = 0x7e00 + i * 16;
cpu_x86_load_seg_cache(env, i,
x86_lduw_phys(cs, sm_state + offset),
x86_ldq_phys(cs, sm_state + offset + 8),
x86_ldl_phys(cs, sm_state + offset + 4),
(x86_lduw_phys(cs, sm_state + offset + 2) &
0xf0ff) << 8);
}
val = x86_ldl_phys(cs, sm_state + 0x7efc); /* revision ID */
if (val & 0x20000) {
env->smbase = x86_ldl_phys(cs, sm_state + 0x7f00);
}
#else
cpu_x86_update_cr0(env, x86_ldl_phys(cs, sm_state + 0x7ffc));
cpu_x86_update_cr3(env, x86_ldl_phys(cs, sm_state + 0x7ff8));
cpu_load_eflags(env, x86_ldl_phys(cs, sm_state + 0x7ff4),
~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C | DF_MASK));
env->eip = x86_ldl_phys(cs, sm_state + 0x7ff0);
env->regs[R_EDI] = x86_ldl_phys(cs, sm_state + 0x7fec);
env->regs[R_ESI] = x86_ldl_phys(cs, sm_state + 0x7fe8);
env->regs[R_EBP] = x86_ldl_phys(cs, sm_state + 0x7fe4);
env->regs[R_ESP] = x86_ldl_phys(cs, sm_state + 0x7fe0);
env->regs[R_EBX] = x86_ldl_phys(cs, sm_state + 0x7fdc);
env->regs[R_EDX] = x86_ldl_phys(cs, sm_state + 0x7fd8);
env->regs[R_ECX] = x86_ldl_phys(cs, sm_state + 0x7fd4);
env->regs[R_EAX] = x86_ldl_phys(cs, sm_state + 0x7fd0);
env->dr[6] = x86_ldl_phys(cs, sm_state + 0x7fcc);
env->dr[7] = x86_ldl_phys(cs, sm_state + 0x7fc8);
env->tr.selector = x86_ldl_phys(cs, sm_state + 0x7fc4) & 0xffff;
env->tr.base = x86_ldl_phys(cs, sm_state + 0x7f64);
env->tr.limit = x86_ldl_phys(cs, sm_state + 0x7f60);
env->tr.flags = (x86_ldl_phys(cs, sm_state + 0x7f5c) & 0xf0ff) << 8;
env->ldt.selector = x86_ldl_phys(cs, sm_state + 0x7fc0) & 0xffff;
env->ldt.base = x86_ldl_phys(cs, sm_state + 0x7f80);
env->ldt.limit = x86_ldl_phys(cs, sm_state + 0x7f7c);
env->ldt.flags = (x86_ldl_phys(cs, sm_state + 0x7f78) & 0xf0ff) << 8;
env->gdt.base = x86_ldl_phys(cs, sm_state + 0x7f74);
env->gdt.limit = x86_ldl_phys(cs, sm_state + 0x7f70);
env->idt.base = x86_ldl_phys(cs, sm_state + 0x7f58);
env->idt.limit = x86_ldl_phys(cs, sm_state + 0x7f54);
for (i = 0; i < 6; i++) {
if (i < 3) {
offset = 0x7f84 + i * 12;
} else {
offset = 0x7f2c + (i - 3) * 12;
}
cpu_x86_load_seg_cache(env, i,
x86_ldl_phys(cs,
sm_state + 0x7fa8 + i * 4) & 0xffff,
x86_ldl_phys(cs, sm_state + offset + 8),
x86_ldl_phys(cs, sm_state + offset + 4),
(x86_ldl_phys(cs,
sm_state + offset) & 0xf0ff) << 8);
}
cpu_x86_update_cr4(env, x86_ldl_phys(cs, sm_state + 0x7f14));
val = x86_ldl_phys(cs, sm_state + 0x7efc); /* revision ID */
if (val & 0x20000) {
env->smbase = x86_ldl_phys(cs, sm_state + 0x7ef8);
}
#endif
if ((env->hflags2 & HF2_SMM_INSIDE_NMI_MASK) == 0) {
env->hflags2 &= ~HF2_NMI_MASK;
}
env->hflags2 &= ~HF2_SMM_INSIDE_NMI_MASK;
env->hflags &= ~HF_SMM_MASK;
cpu_smm_update(cpu);
qemu_log_mask(CPU_LOG_INT, "SMM: after RSM\n");
log_cpu_state_mask(CPU_LOG_INT, CPU(cpu), CPU_DUMP_CCOP);
}
void do_smm_enter(X86CPU *cpu)
{
CPUX86State *env = &cpu->env;
CPUState *cs = CPU(cpu);
target_ulong sm_state;
SegmentCache *dt;
int i, offset;
qemu_log_mask(CPU_LOG_INT, "SMM: enter\n");
log_cpu_state_mask(CPU_LOG_INT, CPU(cpu), CPU_DUMP_CCOP);
env->hflags |= HF_SMM_MASK;
cpu_smm_update(env);
sm_state = env->smbase + 0x8000;
#ifdef TARGET_X86_64
for (i = 0; i < 6; i++) {
dt = &env->segs[i];
offset = 0x7e00 + i * 16;
stw_phys(cs->as, sm_state + offset, dt->selector);
stw_phys(cs->as, sm_state + offset + 2, (dt->flags >> 8) & 0xf0ff);
stl_phys(cs->as, sm_state + offset + 4, dt->limit);
stq_phys(cs->as, sm_state + offset + 8, dt->base);
}
stq_phys(cs->as, sm_state + 0x7e68, env->gdt.base);
stl_phys(cs->as, sm_state + 0x7e64, env->gdt.limit);
stw_phys(cs->as, sm_state + 0x7e70, env->ldt.selector);
stq_phys(cs->as, sm_state + 0x7e78, env->ldt.base);
stl_phys(cs->as, sm_state + 0x7e74, env->ldt.limit);
stw_phys(cs->as, sm_state + 0x7e72, (env->ldt.flags >> 8) & 0xf0ff);
stq_phys(cs->as, sm_state + 0x7e88, env->idt.base);
stl_phys(cs->as, sm_state + 0x7e84, env->idt.limit);
stw_phys(cs->as, sm_state + 0x7e90, env->tr.selector);
stq_phys(cs->as, sm_state + 0x7e98, env->tr.base);
stl_phys(cs->as, sm_state + 0x7e94, env->tr.limit);
stw_phys(cs->as, sm_state + 0x7e92, (env->tr.flags >> 8) & 0xf0ff);
stq_phys(cs->as, sm_state + 0x7ed0, env->efer);
stq_phys(cs->as, sm_state + 0x7ff8, env->regs[R_EAX]);
stq_phys(cs->as, sm_state + 0x7ff0, env->regs[R_ECX]);
stq_phys(cs->as, sm_state + 0x7fe8, env->regs[R_EDX]);
stq_phys(cs->as, sm_state + 0x7fe0, env->regs[R_EBX]);
stq_phys(cs->as, sm_state + 0x7fd8, env->regs[R_ESP]);
stq_phys(cs->as, sm_state + 0x7fd0, env->regs[R_EBP]);
stq_phys(cs->as, sm_state + 0x7fc8, env->regs[R_ESI]);
stq_phys(cs->as, sm_state + 0x7fc0, env->regs[R_EDI]);
for (i = 8; i < 16; i++) {
stq_phys(cs->as, sm_state + 0x7ff8 - i * 8, env->regs[i]);
}
stq_phys(cs->as, sm_state + 0x7f78, env->eip);
stl_phys(cs->as, sm_state + 0x7f70, cpu_compute_eflags(env));
stl_phys(cs->as, sm_state + 0x7f68, env->dr[6]);
stl_phys(cs->as, sm_state + 0x7f60, env->dr[7]);
stl_phys(cs->as, sm_state + 0x7f48, env->cr[4]);
stl_phys(cs->as, sm_state + 0x7f50, env->cr[3]);
stl_phys(cs->as, sm_state + 0x7f58, env->cr[0]);
stl_phys(cs->as, sm_state + 0x7efc, SMM_REVISION_ID);
stl_phys(cs->as, sm_state + 0x7f00, env->smbase);
#else
stl_phys(cs->as, sm_state + 0x7ffc, env->cr[0]);
stl_phys(cs->as, sm_state + 0x7ff8, env->cr[3]);
stl_phys(cs->as, sm_state + 0x7ff4, cpu_compute_eflags(env));
stl_phys(cs->as, sm_state + 0x7ff0, env->eip);
stl_phys(cs->as, sm_state + 0x7fec, env->regs[R_EDI]);
stl_phys(cs->as, sm_state + 0x7fe8, env->regs[R_ESI]);
stl_phys(cs->as, sm_state + 0x7fe4, env->regs[R_EBP]);
stl_phys(cs->as, sm_state + 0x7fe0, env->regs[R_ESP]);
stl_phys(cs->as, sm_state + 0x7fdc, env->regs[R_EBX]);
stl_phys(cs->as, sm_state + 0x7fd8, env->regs[R_EDX]);
stl_phys(cs->as, sm_state + 0x7fd4, env->regs[R_ECX]);
stl_phys(cs->as, sm_state + 0x7fd0, env->regs[R_EAX]);
stl_phys(cs->as, sm_state + 0x7fcc, env->dr[6]);
stl_phys(cs->as, sm_state + 0x7fc8, env->dr[7]);
stl_phys(cs->as, sm_state + 0x7fc4, env->tr.selector);
stl_phys(cs->as, sm_state + 0x7f64, env->tr.base);
stl_phys(cs->as, sm_state + 0x7f60, env->tr.limit);
stl_phys(cs->as, sm_state + 0x7f5c, (env->tr.flags >> 8) & 0xf0ff);
stl_phys(cs->as, sm_state + 0x7fc0, env->ldt.selector);
stl_phys(cs->as, sm_state + 0x7f80, env->ldt.base);
stl_phys(cs->as, sm_state + 0x7f7c, env->ldt.limit);
stl_phys(cs->as, sm_state + 0x7f78, (env->ldt.flags >> 8) & 0xf0ff);
stl_phys(cs->as, sm_state + 0x7f74, env->gdt.base);
stl_phys(cs->as, sm_state + 0x7f70, env->gdt.limit);
stl_phys(cs->as, sm_state + 0x7f58, env->idt.base);
stl_phys(cs->as, sm_state + 0x7f54, env->idt.limit);
for (i = 0; i < 6; i++) {
dt = &env->segs[i];
if (i < 3) {
offset = 0x7f84 + i * 12;
} else {
offset = 0x7f2c + (i - 3) * 12;
}
stl_phys(cs->as, sm_state + 0x7fa8 + i * 4, dt->selector);
stl_phys(cs->as, sm_state + offset + 8, dt->base);
stl_phys(cs->as, sm_state + offset + 4, dt->limit);
stl_phys(cs->as, sm_state + offset, (dt->flags >> 8) & 0xf0ff);
}
stl_phys(cs->as, sm_state + 0x7f14, env->cr[4]);
stl_phys(cs->as, sm_state + 0x7efc, SMM_REVISION_ID);
stl_phys(cs->as, sm_state + 0x7ef8, env->smbase);
#endif
/* init SMM cpu state */
#ifdef TARGET_X86_64
cpu_load_efer(env, 0);
#endif
cpu_load_eflags(env, 0, ~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C |
DF_MASK));
env->eip = 0x00008000;
cpu_x86_update_cr0(env,
env->cr[0] & ~(CR0_PE_MASK | CR0_EM_MASK | CR0_TS_MASK |
CR0_PG_MASK));
cpu_x86_update_cr4(env, 0);
env->dr[7] = 0x00000400;
cpu_x86_load_seg_cache(env, R_CS, (env->smbase >> 4) & 0xffff, env->smbase,
0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
}
void helper_rsm(CPUX86State *env)
{
target_ulong sm_state;
int i, offset;
uint32_t val;
sm_state = env->smbase + 0x8000;
#ifdef TARGET_X86_64
cpu_load_efer(env, ldq_phys(sm_state + 0x7ed0));
for(i = 0; i < 6; i++) {
offset = 0x7e00 + i * 16;
cpu_x86_load_seg_cache(env, i,
lduw_phys(sm_state + offset),
ldq_phys(sm_state + offset + 8),
ldl_phys(sm_state + offset + 4),
(lduw_phys(sm_state + offset + 2) & 0xf0ff) << 8);
}
env->gdt.base = ldq_phys(sm_state + 0x7e68);
env->gdt.limit = ldl_phys(sm_state + 0x7e64);
env->ldt.selector = lduw_phys(sm_state + 0x7e70);
env->ldt.base = ldq_phys(sm_state + 0x7e78);
env->ldt.limit = ldl_phys(sm_state + 0x7e74);
env->ldt.flags = (lduw_phys(sm_state + 0x7e72) & 0xf0ff) << 8;
env->idt.base = ldq_phys(sm_state + 0x7e88);
env->idt.limit = ldl_phys(sm_state + 0x7e84);
env->tr.selector = lduw_phys(sm_state + 0x7e90);
env->tr.base = ldq_phys(sm_state + 0x7e98);
env->tr.limit = ldl_phys(sm_state + 0x7e94);
env->tr.flags = (lduw_phys(sm_state + 0x7e92) & 0xf0ff) << 8;
EAX = ldq_phys(sm_state + 0x7ff8);
ECX = ldq_phys(sm_state + 0x7ff0);
EDX = ldq_phys(sm_state + 0x7fe8);
EBX = ldq_phys(sm_state + 0x7fe0);
ESP = ldq_phys(sm_state + 0x7fd8);
EBP = ldq_phys(sm_state + 0x7fd0);
ESI = ldq_phys(sm_state + 0x7fc8);
EDI = ldq_phys(sm_state + 0x7fc0);
for(i = 8; i < 16; i++)
env->regs[i] = ldq_phys(sm_state + 0x7ff8 - i * 8);
env->eip = ldq_phys(sm_state + 0x7f78);
cpu_load_eflags(env, ldl_phys(sm_state + 0x7f70),
~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C | DF_MASK));
env->dr[6] = ldl_phys(sm_state + 0x7f68);
env->dr[7] = ldl_phys(sm_state + 0x7f60);
cpu_x86_update_cr4(env, ldl_phys(sm_state + 0x7f48));
cpu_x86_update_cr3(env, ldl_phys(sm_state + 0x7f50));
cpu_x86_update_cr0(env, ldl_phys(sm_state + 0x7f58));
val = ldl_phys(sm_state + 0x7efc); /* revision ID */
if (val & 0x20000) {
env->smbase = ldl_phys(sm_state + 0x7f00) & ~0x7fff;
}
#else
cpu_x86_update_cr0(env, ldl_phys(sm_state + 0x7ffc));
cpu_x86_update_cr3(env, ldl_phys(sm_state + 0x7ff8));
cpu_load_eflags(env, ldl_phys(sm_state + 0x7ff4),
~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C | DF_MASK));
env->eip = ldl_phys(sm_state + 0x7ff0);
EDI = ldl_phys(sm_state + 0x7fec);
ESI = ldl_phys(sm_state + 0x7fe8);
EBP = ldl_phys(sm_state + 0x7fe4);
ESP = ldl_phys(sm_state + 0x7fe0);
EBX = ldl_phys(sm_state + 0x7fdc);
EDX = ldl_phys(sm_state + 0x7fd8);
ECX = ldl_phys(sm_state + 0x7fd4);
EAX = ldl_phys(sm_state + 0x7fd0);
env->dr[6] = ldl_phys(sm_state + 0x7fcc);
env->dr[7] = ldl_phys(sm_state + 0x7fc8);
env->tr.selector = ldl_phys(sm_state + 0x7fc4) & 0xffff;
env->tr.base = ldl_phys(sm_state + 0x7f64);
env->tr.limit = ldl_phys(sm_state + 0x7f60);
env->tr.flags = (ldl_phys(sm_state + 0x7f5c) & 0xf0ff) << 8;
env->ldt.selector = ldl_phys(sm_state + 0x7fc0) & 0xffff;
env->ldt.base = ldl_phys(sm_state + 0x7f80);
env->ldt.limit = ldl_phys(sm_state + 0x7f7c);
env->ldt.flags = (ldl_phys(sm_state + 0x7f78) & 0xf0ff) << 8;
env->gdt.base = ldl_phys(sm_state + 0x7f74);
env->gdt.limit = ldl_phys(sm_state + 0x7f70);
env->idt.base = ldl_phys(sm_state + 0x7f58);
env->idt.limit = ldl_phys(sm_state + 0x7f54);
for(i = 0; i < 6; i++) {
if (i < 3)
offset = 0x7f84 + i * 12;
else
offset = 0x7f2c + (i - 3) * 12;
cpu_x86_load_seg_cache(env, i,
ldl_phys(sm_state + 0x7fa8 + i * 4) & 0xffff,
ldl_phys(sm_state + offset + 8),
ldl_phys(sm_state + offset + 4),
(ldl_phys(sm_state + offset) & 0xf0ff) << 8);
}
cpu_x86_update_cr4(env, ldl_phys(sm_state + 0x7f14));
val = ldl_phys(sm_state + 0x7efc); /* revision ID */
if (val & 0x20000) {
env->smbase = ldl_phys(sm_state + 0x7ef8) & ~0x7fff;
}
#endif
CC_OP = CC_OP_EFLAGS;
env->hflags &= ~HF_SMM_MASK;
cpu_smm_update(env);
qemu_log_mask(CPU_LOG_INT, "SMM: after RSM\n");
log_cpu_state_mask(CPU_LOG_INT, ENV_GET_CPU(env), X86_DUMP_CCOP);
}