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Initial submission of the PCem-Experimental source code.

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OBattler
2016-06-26 00:34:39 +02:00
parent 09d7c4384f
commit fd2a5bc9f5
610 changed files with 184352 additions and 0 deletions
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93
src/codegen_ops_xchg.h Normal file
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#define OP_XCHG_AX_(reg) \
static uint32_t ropXCHG_AX_ ## reg(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block) \
{ \
int ax_reg, host_reg, temp_reg; \
\
ax_reg = LOAD_REG_W(REG_AX); \
host_reg = LOAD_REG_W(REG_ ## reg); \
temp_reg = COPY_REG(host_reg); \
STORE_REG_TARGET_W_RELEASE(ax_reg, REG_ ## reg); \
STORE_REG_TARGET_W_RELEASE(temp_reg, REG_AX); \
\
return op_pc; \
}
OP_XCHG_AX_(BX)
OP_XCHG_AX_(CX)
OP_XCHG_AX_(DX)
OP_XCHG_AX_(SI)
OP_XCHG_AX_(DI)
OP_XCHG_AX_(SP)
OP_XCHG_AX_(BP)
#define OP_XCHG_EAX_(reg) \
static uint32_t ropXCHG_EAX_ ## reg(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block) \
{ \
int eax_reg, host_reg, temp_reg; \
\
eax_reg = LOAD_REG_L(REG_EAX); \
host_reg = LOAD_REG_L(REG_ ## reg); \
temp_reg = COPY_REG(host_reg); \
STORE_REG_TARGET_L_RELEASE(eax_reg, REG_ ## reg); \
STORE_REG_TARGET_L_RELEASE(temp_reg, REG_EAX); \
\
return op_pc; \
}
OP_XCHG_EAX_(EBX)
OP_XCHG_EAX_(ECX)
OP_XCHG_EAX_(EDX)
OP_XCHG_EAX_(ESI)
OP_XCHG_EAX_(EDI)
OP_XCHG_EAX_(ESP)
OP_XCHG_EAX_(EBP)
static uint32_t ropXCHG_b(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
// #ifdef __amd64__
// return 0;
// #else
int src_reg, dst_reg, temp_reg;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
dst_reg = LOAD_REG_B(fetchdat & 7);
src_reg = LOAD_REG_B((fetchdat >> 3) & 7);
temp_reg = COPY_REG(src_reg);
STORE_REG_TARGET_B_RELEASE(dst_reg, (fetchdat >> 3) & 7);
STORE_REG_TARGET_B_RELEASE(temp_reg, fetchdat & 7);
return op_pc + 1;
// #endif
}
static uint32_t ropXCHG_w(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
int src_reg, dst_reg, temp_reg;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
dst_reg = LOAD_REG_W(fetchdat & 7);
src_reg = LOAD_REG_W((fetchdat >> 3) & 7);
temp_reg = COPY_REG(src_reg);
STORE_REG_TARGET_W_RELEASE(dst_reg, (fetchdat >> 3) & 7);
STORE_REG_TARGET_W_RELEASE(temp_reg, fetchdat & 7);
return op_pc + 1;
}
static uint32_t ropXCHG_l(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
int src_reg, dst_reg, temp_reg;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
dst_reg = LOAD_REG_L(fetchdat & 7);
src_reg = LOAD_REG_L((fetchdat >> 3) & 7);
temp_reg = COPY_REG(src_reg);
STORE_REG_TARGET_L_RELEASE(dst_reg, (fetchdat >> 3) & 7);
STORE_REG_TARGET_L_RELEASE(temp_reg, fetchdat & 7);
return op_pc + 1;
}