aboutsummaryrefslogtreecommitdiff
path: root/target-i386
diff options
context:
space:
mode:
authoraliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>2009-04-22 20:20:07 +0000
committeraliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>2009-04-22 20:20:07 +0000
commit2ed51f5bfda2c5bb903a9abaa21c0e756f8486bd (patch)
treed1aa48d4b2106fe1c52bc07383d523eac267680a /target-i386
parente268ca52328eb0460ae0d10b7f4313a63d5b000c (diff)
downloadqemu-2ed51f5bfda2c5bb903a9abaa21c0e756f8486bd.zip
qemu-2ed51f5bfda2c5bb903a9abaa21c0e756f8486bd.tar.gz
qemu-2ed51f5bfda2c5bb903a9abaa21c0e756f8486bd.tar.bz2
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
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/op_helper.c79
1 files changed, 52 insertions, 27 deletions
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index 1a74902..50de9fe 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -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). */