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experimental code copy support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@623 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-02-16 22:11:32 +00:00
parent 3a1d9b8bbb
commit 58fe2f10f0
6 changed files with 1603 additions and 21 deletions
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9
target-i386/cpu.h
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@ -24,6 +24,10 @@
#include "cpu-defs.h"
#if defined(__i386__) && !defined(CONFIG_SOFTMMU)
#define USE_CODE_COPY
#endif
#define R_EAX 0
#define R_ECX 1
#define R_EDX 2
@ -121,6 +125,7 @@
#define HF_SS32_MASK (1 << HF_SS32_SHIFT)
#define HF_ADDSEG_MASK (1 << HF_ADDSEG_SHIFT)
#define HF_PE_MASK (1 << HF_PE_SHIFT)
#define HF_TF_MASK (1 << HF_TF_SHIFT)
#define CR0_PE_MASK (1 << 0)
#define CR0_TS_MASK (1 << 3)
@ -297,6 +302,10 @@ typedef struct CPUX86State {
uint32_t sysenter_cs;
uint32_t sysenter_esp;
uint32_t sysenter_eip;
/* temporary data for USE_CODE_COPY mode */
uint32_t tmp0;
uint32_t saved_esp;
/* exception/interrupt handling */
jmp_buf jmp_env;

4
target-i386/helper.c
View file

@ -869,7 +869,7 @@ void do_interrupt(int intno, int is_int, int error_code,
{
extern FILE *stdout;
static int count;
if (env->cr[0] & CR0_PE_MASK) {
if (env->cr[0] & CR0_PE_MASK) {
fprintf(stdout, "%d: v=%02x e=%04x i=%d CPL=%d CS:EIP=%04x:%08x SS:ESP=%04x:%08x",
count, intno, error_code, is_int,
env->hflags & HF_CPL_MASK,
@ -2489,7 +2489,7 @@ void tlb_fill(unsigned long addr, int is_write, int is_user, void *retaddr)
if (tb) {
/* the PC is inside the translated code. It means that we have
a virtual CPU fault */
cpu_restore_state(tb, env, pc);
cpu_restore_state(tb, env, pc, NULL);
}
}
raise_exception_err(EXCP0E_PAGE, env->error_code);

1544
target-i386/translate-copy.c Normal file
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