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i386/tcg: implement x2APIC registers MSR access

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This commit creates apic_register_read/write which are used by both
apic_mem_read/write for MMIO access and apic_msr_read/write for MSR access.

The apic_msr_read/write returns -1 on error, accelerator can use this to
raise the appropriate exception.

Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Message-Id: <20240111154404.5333-2-minhquangbui99@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Bui Quang Minh 2024-01-11 22:43:58 +07:00 • committed by Michael S. Tsirkin
parent bad38726e9
commit b2101358e5
5 changed files with 127 additions and 32 deletions
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3
target/i386/cpu.h
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@ -545,6 +545,9 @@ typedef enum X86Seg {
#define MSR_IA32_VMX_TRUE_ENTRY_CTLS 0x00000490
#define MSR_IA32_VMX_VMFUNC 0x00000491
#define MSR_APIC_START 0x00000800
#define MSR_APIC_END 0x000008ff
#define XSTATE_FP_BIT 0
#define XSTATE_SSE_BIT 1
#define XSTATE_YMM_BIT 2