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CR8 support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1237 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-01-23 20:46:56 +00:00
parent 0523c6b7c5
commit 9230e66e5c
3 changed files with 21 additions and 11 deletions
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12
hw/apic.c
View File

@ -100,6 +100,18 @@ uint64_t cpu_get_apic_base(CPUState *env)
return s->apicbase;
}
void cpu_set_apic_tpr(CPUX86State *env, uint8_t val)
{
APICState *s = env->apic_state;
s->tpr = (val & 0x0f) << 4;
}
uint8_t cpu_get_apic_tpr(CPUX86State *env)
{
APICState *s = env->apic_state;
return s->tpr >> 4;
}
/* return -1 if no bit is set */
static int get_highest_priority_int(uint32_t *tab)
{

13
target-i386/cpu.h
View File

@ -509,15 +509,6 @@ typedef struct CPUX86State {
void *opaque;
} CPUX86State;
#ifndef IN_OP_I386
void cpu_x86_outb(CPUX86State *env, int addr, int val);
void cpu_x86_outw(CPUX86State *env, int addr, int val);
void cpu_x86_outl(CPUX86State *env, int addr, int val);
int cpu_x86_inb(CPUX86State *env, int addr);
int cpu_x86_inw(CPUX86State *env, int addr);
int cpu_x86_inl(CPUX86State *env, int addr);
#endif
CPUX86State *cpu_x86_init(void);
int cpu_x86_exec(CPUX86State *s);
void cpu_x86_close(CPUX86State *s);
@ -615,6 +606,10 @@ uint64_t cpu_get_tsc(CPUX86State *env);
void cpu_set_apic_base(CPUX86State *env, uint64_t val);
uint64_t cpu_get_apic_base(CPUX86State *env);
void cpu_set_apic_tpr(CPUX86State *env, uint8_t val);
#ifndef NO_CPU_IO_DEFS
uint8_t cpu_get_apic_tpr(CPUX86State *env);
#endif
/* will be suppressed */
void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);

7
target-i386/translate.c
View File

@ -5631,17 +5631,20 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
case 2:
case 3:
case 4:
case 8:
if (b & 2) {
gen_op_mov_TN_reg[ot][0][rm]();
gen_op_movl_crN_T0(reg);
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
} else {
gen_op_movtl_T0_env(offsetof(CPUX86State,cr[reg]));
if (reg == 8)
gen_op_movtl_T0_cr8();
else
gen_op_movtl_T0_env(offsetof(CPUX86State,cr[reg]));
gen_op_mov_reg_T0[ot][rm]();
}
break;
/* XXX: add CR8 for x86_64 */
default:
goto illegal_op;
}