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Added MMX emulation (probably some bugs). Implemented RDMSR/WRMSR for Winchip.

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This commit is contained in:
TomW 2013-08-03 15:05:50 +01:00
commit 119fe36820
17 changed files with 2362 additions and 65 deletions
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163
src/x86_ops_mmx_mov.h Normal file
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int opMOVD_l_mm_a16(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_16(fetchdat);
if (mod == 3)
{
MM[reg].l[0] = regs[rm].l;
MM[reg].l[1] = 0;
cycles--;
}
else
{
uint32_t dst;
dst = readmeml(easeg, eaaddr); if (abrt) return 0;
MM[reg].l[0] = dst;
MM[reg].l[1] = 0;
cycles -= 2;
}
return 0;
}
int opMOVD_l_mm_a32(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_32(fetchdat);
if (mod == 3)
{
MM[reg].l[0] = regs[rm].l;
MM[reg].l[1] = 0;
cycles--;
}
else
{
uint32_t dst;
dst = readmeml(easeg, eaaddr); if (abrt) return 0;
MM[reg].l[0] = dst;
MM[reg].l[1] = 0;
cycles -= 2;
}
return 0;
}
int opMOVD_mm_l_a16(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_16(fetchdat);
if (mod == 3)
{
regs[rm].l = MM[reg].l[0];
cycles--;
}
else
{
writememl(easeg, eaaddr, MM[reg].l[0]); if (abrt) return 0;
cycles -= 2;
}
return 0;
}
int opMOVD_mm_l_a32(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_32(fetchdat);
if (mod == 3)
{
regs[rm].l = MM[reg].l[0];
cycles--;
}
else
{
writememl(easeg, eaaddr, MM[reg].l[0]); if (abrt) return 0;
cycles -= 2;
}
return 0;
}
int opMOVQ_q_mm_a16(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_16(fetchdat);
if (mod == 3)
{
MM[reg].q = MM[rm].q;
cycles--;
}
else
{
uint32_t dst[2];
dst[0] = readmeml(easeg, eaaddr);
dst[1] = readmeml(easeg, eaaddr + 4); if (abrt) return 0;
MM[reg].l[0] = dst[0];
MM[reg].l[1] = dst[1];
cycles -= 2;
}
return 0;
}
int opMOVQ_q_mm_a32(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_32(fetchdat);
if (mod == 3)
{
MM[reg].q = MM[rm].q;
cycles--;
}
else
{
uint32_t dst[2];
dst[0] = readmeml(easeg, eaaddr);
dst[1] = readmeml(easeg, eaaddr + 4); if (abrt) return 0;
MM[reg].l[0] = dst[0];
MM[reg].l[1] = dst[1];
cycles -= 2;
}
return 0;
}
int opMOVQ_mm_q_a16(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_16(fetchdat);
if (mod == 3)
{
MM[rm].q = MM[reg].q;
cycles--;
}
else
{
writememl(easeg, eaaddr, MM[reg].l[0]);
writememl(easeg, eaaddr + 4, MM[reg].l[1]); if (abrt) return 0;
cycles -= 2;
}
return 0;
}
int opMOVQ_mm_q_a32(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_32(fetchdat);
if (mod == 3)
{
MM[rm].q = MM[reg].q;
cycles--;
}
else
{
writememl(easeg, eaaddr, MM[reg].l[0]);
writememl(easeg, eaaddr + 4, MM[reg].l[1]); if (abrt) return 0;
cycles -= 2;
}
return 0;
}