int (*read_std)(unsigned long addr, void *val,
unsigned int bytes, struct kvm_vcpu *vcpu, u32 *error);
+ /*
+ * write_std: Write bytes of standard (non-emulated/special) memory.
+ * Used for descriptor writing.
+ * @addr: [IN ] Linear address to which to write.
+ * @val: [OUT] Value write to memory, zero-extended to 'u_long'.
+ * @bytes: [IN ] Number of bytes to write to memory.
+ */
+ int (*write_std)(unsigned long addr, void *val,
+ unsigned int bytes, struct kvm_vcpu *vcpu, u32 *error);
/*
* fetch: Read bytes of standard (non-emulated/special) memory.
* Used for instruction fetch.
const void *new,
unsigned int bytes,
struct kvm_vcpu *vcpu);
-
+ bool (*get_cached_descriptor)(struct desc_struct *desc,
+ int seg, struct kvm_vcpu *vcpu);
+ void (*set_cached_descriptor)(struct desc_struct *desc,
+ int seg, struct kvm_vcpu *vcpu);
+ u16 (*get_segment_selector)(int seg, struct kvm_vcpu *vcpu);
+ void (*set_segment_selector)(u16 sel, int seg, struct kvm_vcpu *vcpu);
+ void (*get_gdt)(struct desc_ptr *dt, struct kvm_vcpu *vcpu);
+ ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu);
+ void (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
+ int (*cpl)(struct kvm_vcpu *vcpu);
};
/* Type, address-of, and value of an instruction's operand. */
u8 seg_override;
unsigned int d;
unsigned long regs[NR_VCPU_REGS];
- unsigned long eip, eip_orig;
+ unsigned long eip;
/* modrm */
u8 modrm;
u8 modrm_mod;
struct fetch_cache fetch;
};
-#define X86_SHADOW_INT_MOV_SS 1
-#define X86_SHADOW_INT_STI 2
-
struct x86_emulate_ctxt {
/* Register state before/after emulation. */
struct kvm_vcpu *vcpu;
unsigned long eflags;
+ unsigned long eip; /* eip before instruction emulation */
/* Emulated execution mode, represented by an X86EMUL_MODE value. */
int mode;
u32 cs_base;