OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

SMM fix for x86_64

Browse Source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2183 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-09-27 19:54:02 +00:00
parent 69c3bcb48f
commit 8988ae8945
2 changed files with 13 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
target-i386/cpu.h
View File

@ -260,6 +260,7 @@
#define CPUID_MCA (1 << 14)
#define CPUID_CMOV (1 << 15)
#define CPUID_PAT (1 << 16)
#define CPUID_PSE36 (1 << 17)
#define CPUID_CLFLUSH (1 << 19)
/* ... */
#define CPUID_MMX (1 << 23)
@ -543,7 +544,8 @@ void cpu_set_ferr(CPUX86State *s);
cache: it synchronizes the hflags with the segment cache values */
static inline void cpu_x86_load_seg_cache(CPUX86State *env,
int seg_reg, unsigned int selector,
uint32_t base, unsigned int limit,
target_ulong base,
unsigned int limit,
unsigned int flags)
{
SegmentCache *sc;

15
target-i386/helper.c
View File

@ -1338,6 +1338,10 @@ void do_smm_enter(void)
#endif
/* init SMM cpu state */
#ifdef TARGET_X86_64
env->efer = 0;
env->hflags &= ~HF_LMA_MASK;
#endif
load_eflags(0, ~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C | DF_MASK));
env->eip = 0x00008000;
cpu_x86_load_seg_cache(env, R_CS, (env->smbase >> 4) & 0xffff, env->smbase,
@ -1352,9 +1356,6 @@ void do_smm_enter(void)
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;
#ifdef TARGET_X86_64
env->efer = 0;
#endif
CC_OP = CC_OP_EFLAGS;
}
@ -1366,6 +1367,12 @@ void helper_rsm(void)
sm_state = env->smbase + 0x8000;
#ifdef TARGET_X86_64
env->efer = ldq_phys(sm_state + 0x7ed0);
if (env->efer & MSR_EFER_LMA)
env->hflags |= HF_LMA_MASK;
else
env->hflags &= ~HF_LMA_MASK;
for(i = 0; i < 6; i++) {
offset = 0x7e00 + i * 16;
cpu_x86_load_seg_cache(env, i,
@ -1391,8 +1398,6 @@ void helper_rsm(void)
env->tr.limit = ldl_phys(sm_state + 0x7e94);
env->tr.flags = (lduw_phys(sm_state + 0x7e92) & 0xf0ff) << 8;
env->efer = ldq_phys(sm_state + 0x7ed0);
EAX = ldq_phys(sm_state + 0x7ff8);
ECX = ldq_phys(sm_state + 0x7ff0);
EDX = ldq_phys(sm_state + 0x7fe8);