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put valid data into exit_int_info if needed (Gleb Natapov) 

If fault happened during event delivery exit_int_info should contain
valid info about the event on vm exit.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7230 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-04-22 20:20:07 +00:00
parent e268ca5232
commit 2ed51f5bfd
1 changed files with 52 additions and 27 deletions
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79
target-i386/op_helper.c
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@ -595,6 +595,21 @@ static inline unsigned int get_sp_mask(unsigned int e2)
return 0xffff;
}
static int exeption_has_error_code(int intno)
{
switch(intno) {
case 8:
case 10:
case 11:
case 12:
case 13:
case 14:
case 17:
return 1;
}
return 0;
}
#ifdef TARGET_X86_64
#define SET_ESP(val, sp_mask)\
do {\
@ -650,19 +665,8 @@ static void do_interrupt_protected(int intno, int is_int, int error_code,
uint32_t old_eip, sp_mask;
has_error_code = 0;
if (!is_int && !is_hw) {
switch(intno) {
case 8:
case 10:
case 11:
case 12:
case 13:
case 14:
case 17:
has_error_code = 1;
break;
}
}
if (!is_int && !is_hw)
has_error_code = exeption_has_error_code(intno);
if (is_int)
old_eip = next_eip;
else
@ -886,19 +890,8 @@ static void do_interrupt64(int intno, int is_int, int error_code,
target_ulong old_eip, esp, offset;
has_error_code = 0;
if (!is_int && !is_hw) {
switch(intno) {
case 8:
case 10:
case 11:
case 12:
case 13:
case 14:
case 17:
has_error_code = 1;
break;
}
}
if (!is_int && !is_hw)
has_error_code = exeption_has_error_code(intno);
if (is_int)
old_eip = next_eip;
else
@ -1198,6 +1191,25 @@ void do_interrupt_user(int intno, int is_int, int error_code,
EIP = next_eip;
}
static void handle_even_inj(int intno, int is_int, int error_code,
int is_hw, int rm)
{
uint32_t event_inj = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj));
if (!(event_inj & SVM_EVTINJ_VALID)) {
int type;
if (is_int)
type = SVM_EVTINJ_TYPE_SOFT;
else
type = SVM_EVTINJ_TYPE_EXEPT;
event_inj = intno | type | SVM_EVTINJ_VALID;
if (!rm && exeption_has_error_code(intno)) {
event_inj |= SVM_EVTINJ_VALID_ERR;
stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj_err), error_code);
}
stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj), event_inj);
}
}
/*
* Begin execution of an interruption. is_int is TRUE if coming from
* the int instruction. next_eip is the EIP value AFTER the interrupt
@ -1238,6 +1250,8 @@ void do_interrupt(int intno, int is_int, int error_code,
}
}
if (env->cr[0] & CR0_PE_MASK) {
if (env->hflags & HF_SVMI_MASK)
handle_even_inj(intno, is_int, error_code, is_hw, 0);
#ifdef TARGET_X86_64
if (env->hflags & HF_LMA_MASK) {
do_interrupt64(intno, is_int, error_code, next_eip, is_hw);
@ -1247,8 +1261,15 @@ void do_interrupt(int intno, int is_int, int error_code,
do_interrupt_protected(intno, is_int, error_code, next_eip, is_hw);
}
} else {
if (env->hflags & HF_SVMI_MASK)
handle_even_inj(intno, is_int, error_code, is_hw, 1);
do_interrupt_real(intno, is_int, error_code, next_eip);
}
if (env->hflags & HF_SVMI_MASK) {
uint32_t event_inj = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj));
stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj), event_inj & ~SVM_EVTINJ_VALID);
}
}
/* This should come from sysemu.h - if we could include it here... */
@ -4994,7 +5015,6 @@ void helper_vmrun(int aflag, int next_eip_addend)
uint8_t vector = event_inj & SVM_EVTINJ_VEC_MASK;
uint16_t valid_err = event_inj & SVM_EVTINJ_VALID_ERR;
uint32_t event_inj_err = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj_err));
stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj), event_inj & ~SVM_EVTINJ_VALID);
qemu_log_mask(CPU_LOG_TB_IN_ASM, "Injecting(%#hx): ", valid_err);
/* FIXME: need to implement valid_err */
@ -5332,6 +5352,11 @@ void helper_vmexit(uint32_t exit_code, uint64_t exit_info_1)
stq_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_code), exit_code);
stq_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_info_1), exit_info_1);
stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_int_info),
ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj)));
stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_int_info_err),
ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj_err)));
env->hflags2 &= ~HF2_GIF_MASK;
/* FIXME: Resets the current ASID register to zero (host ASID). */