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exception: add vcpu_queue_exception function

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add func vcpu_queue_exception to queue exception based on SDM Vol3 Table 6-5,
which may cause #DF or triple fault

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Tian, Kevin <kevin.tian@intel.com>
This commit is contained in:
Jason Chen CJ
2018-05-28 13:04:48 +08:00
committed by lijinxia
parent 44af2690f6
commit 277830aba8
3 changed files with 59 additions and 0 deletions
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1
hypervisor/include/arch/x86/cpu.h
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@@ -109,6 +109,7 @@
#define IDT_AC 17 /* #AC: Alignment Check */
#define IDT_MC 18 /* #MC: Machine Check */
#define IDT_XF 19 /* #XF: SIMD Floating-Point Exception */
#define IDT_VE 20 /* #VE: Virtualization Exception */
/*Bits in EFER special registers */
#define EFER_LMA 0x000000400 /* Long mode active (R) */

1
hypervisor/include/arch/x86/irq.h
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@@ -185,6 +185,7 @@ int vcpu_inject_extint(struct vcpu *vcpu);
int vcpu_inject_nmi(struct vcpu *vcpu);
int vcpu_inject_gp(struct vcpu *vcpu);
int vcpu_make_request(struct vcpu *vcpu, int eventid);
int vcpu_queue_exception(struct vcpu *vcpu, int32_t vector, uint32_t err_code);
int exception_vmexit_handler(struct vcpu *vcpu);
int interrupt_window_vmexit_handler(struct vcpu *vcpu);