diff options
Diffstat (limited to 'arch/x86/include/asm/kvm_emulate.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_emulate.h | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index a04fe4eb237d..eb181178fe0b 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -37,6 +37,7 @@ struct x86_instruction_info { u8 modrm_reg; /* index of register used */ u8 modrm_rm; /* rm part of modrm */ u64 src_val; /* value of source operand */ + u64 dst_val; /* value of destination operand */ u8 src_bytes; /* size of source operand */ u8 dst_bytes; /* size of destination operand */ u8 ad_bytes; /* size of src/dst address */ @@ -194,6 +195,7 @@ struct x86_emulate_ops { int (*set_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong value); int (*set_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 data); int (*get_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 *pdata); + int (*check_pmc)(struct x86_emulate_ctxt *ctxt, u32 pmc); int (*read_pmc)(struct x86_emulate_ctxt *ctxt, u32 pmc, u64 *pdata); void (*halt)(struct x86_emulate_ctxt *ctxt); void (*wbinvd)(struct x86_emulate_ctxt *ctxt); @@ -231,7 +233,7 @@ struct operand { union { unsigned long val; u64 val64; - char valptr[sizeof(unsigned long) + 2]; + char valptr[sizeof(sse128_t)]; sse128_t vec_val; u64 mm_val; void *data; @@ -240,8 +242,8 @@ struct operand { struct fetch_cache { u8 data[15]; - unsigned long start; - unsigned long end; + u8 *ptr; + u8 *end; }; struct read_cache { @@ -286,30 +288,36 @@ struct x86_emulate_ctxt { u8 opcode_len; u8 b; u8 intercept; - u8 lock_prefix; - u8 rep_prefix; u8 op_bytes; u8 ad_bytes; - u8 rex_prefix; struct operand src; struct operand src2; struct operand dst; - bool has_seg_override; - u8 seg_override; - u64 d; int (*execute)(struct x86_emulate_ctxt *ctxt); int (*check_perm)(struct x86_emulate_ctxt *ctxt); + /* + * The following six fields are cleared together, + * the rest are initialized unconditionally in x86_decode_insn + * or elsewhere + */ + bool rip_relative; + u8 rex_prefix; + u8 lock_prefix; + u8 rep_prefix; + /* bitmaps of registers in _regs[] that can be read */ + u32 regs_valid; + /* bitmaps of registers in _regs[] that have been written */ + u32 regs_dirty; /* modrm */ u8 modrm; u8 modrm_mod; u8 modrm_reg; u8 modrm_rm; u8 modrm_seg; - bool rip_relative; + u8 seg_override; + u64 d; unsigned long _eip; struct operand memop; - u32 regs_valid; /* bitmaps of registers in _regs[] that can be read */ - u32 regs_dirty; /* bitmaps of registers in _regs[] that have been written */ /* Fields above regs are cleared together. */ unsigned long _regs[NR_VCPU_REGS]; struct operand *memopp; @@ -407,6 +415,7 @@ bool x86_page_table_writing_insn(struct x86_emulate_ctxt *ctxt); #define EMULATION_OK 0 #define EMULATION_RESTART 1 #define EMULATION_INTERCEPTED 2 +void init_decode_cache(struct x86_emulate_ctxt *ctxt); int x86_emulate_insn(struct x86_emulate_ctxt *ctxt); int emulator_task_switch(struct x86_emulate_ctxt *ctxt, u16 tss_selector, int idt_index, int reason, |