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target/i386: Added VGIF V_IRQ masking capability

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VGIF provides masking capability for when virtual interrupts
are taken. (APM2)

Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Lara Lazier 2021-08-05 13:08:23 +02:00 • committed by Paolo Bonzini
parent e3126a5c92
commit b67e2796a1
3 changed files with 19 additions and 2 deletions
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2
target/i386/cpu.h
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@ -203,6 +203,7 @@ typedef enum X86Seg {
#define HF2_MPX_PR_SHIFT 5 /* BNDCFGx.BNDPRESERVE */
#define HF2_NPT_SHIFT 6 /* Nested Paging enabled */
#define HF2_IGNNE_SHIFT 7 /* Ignore CR0.NE=0 */
#define HF2_VGIF_SHIFT 8 /* Can take VIRQ*/
#define HF2_GIF_MASK (1 << HF2_GIF_SHIFT)
#define HF2_HIF_MASK (1 << HF2_HIF_SHIFT)
@ -212,6 +213,7 @@ typedef enum X86Seg {
#define HF2_MPX_PR_MASK (1 << HF2_MPX_PR_SHIFT)
#define HF2_NPT_MASK (1 << HF2_NPT_SHIFT)
#define HF2_IGNNE_MASK (1 << HF2_IGNNE_SHIFT)
#define HF2_VGIF_MASK (1 << HF2_VGIF_SHIFT)
#define CR0_PE_SHIFT 0
#define CR0_MP_SHIFT 1