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KVM: x86 emulator: add the assembler code for three operands

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Add the assembler code for instruction with three operands and one
operand is stored in ECX register

Signed-off-by: Guillaume Thouvenin <guillaume.thouvenin@ext.bull.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Guillaume Thouvenin 2008-12-04 14:29:00 +01:00 committed by Avi Kivity
parent bfcadf83ec
commit d175226a5f
1 changed files with 39 additions and 0 deletions
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39
arch/x86/kvm/x86_emulate.c
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@ -431,6 +431,45 @@ static u32 group2_table[] = {
__emulate_2op_nobyte(_op, _src, _dst, _eflags, \ __emulate_2op_nobyte(_op, _src, _dst, _eflags, \
"w", "r", _LO32, "r", "", "r") "w", "r", _LO32, "r", "", "r")
/* Instruction has three operands and one operand is stored in ECX register */
#define __emulate_2op_cl(_op, _cl, _src, _dst, _eflags, _suffix, _type) \
do { \
unsigned long _tmp; \
_type _clv = (_cl).val; \
_type _srcv = (_src).val; \
_type _dstv = (_dst).val; \
\
__asm__ __volatile__ ( \
_PRE_EFLAGS("0", "5", "2") \
_op _suffix " %4,%1 \n" \
_POST_EFLAGS("0", "5", "2") \
: "=m" (_eflags), "+r" (_dstv), "=&r" (_tmp) \
: "c" (_clv) , "r" (_srcv), "i" (EFLAGS_MASK) \
); \
\
(_cl).val = (unsigned long) _clv; \
(_src).val = (unsigned long) _srcv; \
(_dst).val = (unsigned long) _dstv; \
} while (0)
#define emulate_2op_cl(_op, _cl, _src, _dst, _eflags) \
do { \
switch ((_dst).bytes) { \
case 2: \
__emulate_2op_cl(_op, _cl, _src, _dst, _eflags, \
"w", unsigned short); \
break; \
case 4: \
__emulate_2op_cl(_op, _cl, _src, _dst, _eflags, \
"l", unsigned int); \
break; \
case 8: \
ON64(__emulate_2op_cl(_op, _cl, _src, _dst, _eflags, \
"q", unsigned long)); \
break; \
} \
} while (0)
#define __emulate_1op(_op, _dst, _eflags, _suffix) \ #define __emulate_1op(_op, _dst, _eflags, _suffix) \
do { \ do { \
unsigned long _tmp; \ unsigned long _tmp; \