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Add rdpmc SVM intercept, by Bernhard Kauer.

Browse Source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3791 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2007-12-09 23:35:27 +00:00
parent 8543243c29
commit df01e0fc33
4 changed files with 22 additions and 0 deletions
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1
target-i386/exec.h
View File

@ -199,6 +199,7 @@ void helper_sysexit(void);
void helper_syscall(int next_eip_addend);
void helper_sysret(int dflag);
void helper_rdtsc(void);
void helper_rdpmc(void);
void helper_rdmsr(void);
void helper_wrmsr(void);
void helper_lsl(void);

12
target-i386/helper.c
View File

@ -2743,6 +2743,18 @@ void helper_rdtsc(void)
EDX = (uint32_t)(val >> 32);
}
void helper_rdpmc(void)
{
if ((env->cr[4] & CR4_PCE_MASK) && ((env->hflags & HF_CPL_MASK) != 0)) {
raise_exception(EXCP0D_GPF);
}
if (!svm_check_intercept_param(SVM_EXIT_RDPMC, 0)) {
/* currently unimplemented */
raise_exception_err(EXCP06_ILLOP, 0);
}
}
#if defined(CONFIG_USER_ONLY)
void helper_wrmsr(void)
{

5
target-i386/op.c
View File

@ -953,6 +953,11 @@ void OPPROTO op_rdtsc(void)
helper_rdtsc();
}
void OPPROTO op_rdpmc(void)
{
helper_rdpmc();
}
void OPPROTO op_cpuid(void)
{
helper_cpuid();

4
target-i386/translate.c
View File

@ -5658,6 +5658,10 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
gen_jmp_im(pc_start - s->cs_base);
gen_op_rdtsc();
break;
case 0x133: /* rdpmc */
gen_jmp_im(pc_start - s->cs_base);
gen_op_rdpmc();
break;
case 0x134: /* sysenter */
if (CODE64(s))
goto illegal_op;