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KVM: x86 emulator: SSE support

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Add support for marking an instruction as SSE, switching registers used
to the SSE register file.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity
2011-03-29 11:41:27 +02:00
parent 0d7cdee83a
commit 1253791df9
2 changed files with 104 additions and 4 deletions
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6
arch/x86/include/asm/kvm_emulate.h
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@ -162,9 +162,11 @@ struct x86_emulate_ops {
void (*put_fpu)(struct x86_emulate_ctxt *ctxt); /* reenables preempt */
};
typedef u32 __attribute__((vector_size(16))) sse128_t;
/* Type, address-of, and value of an instruction's operand. */
struct operand {
enum { OP_REG, OP_MEM, OP_IMM, OP_NONE } type;
enum { OP_REG, OP_MEM, OP_IMM, OP_XMM, OP_NONE } type;
unsigned int bytes;
union {
unsigned long orig_val;
@ -176,11 +178,13 @@ struct operand {
ulong ea;
unsigned seg;
} mem;
unsigned xmm;
} addr;
union {
unsigned long val;
u64 val64;
char valptr[sizeof(unsigned long) + 2];
sse128_t vec_val;
};
};