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TomW 2013-05-27 19:56:33 +01:00
commit f822488656
89 changed files with 18428 additions and 6383 deletions
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232
src/x86_ops_mov_ctrl.h Normal file
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static int opMOV_r_CRx_a16(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load from CRx\n");
x86gpf(NULL, 0);
return 0;
}
fetch_ea_16(fetchdat);
switch (reg)
{
case 0:
regs[rm].l = cr0;
if (is486) regs[rm].l |= 0x10; /*ET hardwired on 486*/
break;
case 2:
regs[rm].l = cr2;
break;
case 3:
regs[rm].l = cr3;
break;
default:
pclog("Bad read of CR%i %i\n",rmdat&7,reg);
pc = oldpc;
x86illegal();
break;
}
cycles -= 6;
return 0;
}
static int opMOV_r_CRx_a32(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load from CRx\n");
x86gpf(NULL, 0);
return 0;
}
fetch_ea_32(fetchdat);
switch (reg)
{
case 0:
regs[rm].l = cr0;
if (is486) regs[rm].l |= 0x10; /*ET hardwired on 486*/
break;
case 2:
regs[rm].l = cr2;
break;
case 3:
regs[rm].l = cr3;
break;
default:
pclog("Bad read of CR%i %i\n",rmdat&7,reg);
pc = oldpc;
x86illegal();
break;
}
cycles -= 6;
return 0;
}
static int opMOV_r_DRx_a16(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load from DRx\n");
x86gpf(NULL, 0);
return 0;
}
fetch_ea_16(fetchdat);
regs[rm].l = 0;
cycles -= 6;
return 0;
}
static int opMOV_r_DRx_a32(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load from DRx\n");
x86gpf(NULL, 0);
return 0;
}
fetch_ea_32(fetchdat);
regs[rm].l = 0;
cycles -= 6;
return 0;
}
static int opMOV_CRx_r_a16(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load CRx\n");
x86gpf(NULL,0);
return 0;
}
fetch_ea_16(fetchdat);
switch (reg)
{
case 0:
if ((regs[rm].l ^ cr0) & 0x80000001) flushmmucache();
cr0 = regs[rm].l;
if (cpu_16bitbus) cr0 |= 0x10;
if (!(cr0 & 0x80000000)) mmu_perm=4;
break;
case 2:
cr2 = regs[rm].l;
break;
case 3:
cr3 = regs[rm].l & ~0xfff;
flushmmucache();
break;
default:
pclog("Bad load CR%i\n", reg);
pc = oldpc;
x86illegal();
break;
}
cycles -= 10;
return 0;
}
static int opMOV_CRx_r_a32(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load CRx\n");
x86gpf(NULL,0);
return 0;
}
fetch_ea_32(fetchdat);
switch (reg)
{
case 0:
if ((regs[rm].l ^ cr0) & 0x80000001) flushmmucache();
cr0 = regs[rm].l;
if (cpu_16bitbus) cr0 |= 0x10;
if (!(cr0 & 0x80000000)) mmu_perm=4;
break;
case 2:
cr2 = regs[rm].l;
break;
case 3:
cr3 = regs[rm].l & ~0xfff;
flushmmucache();
break;
default:
pclog("Bad load CR%i\n", reg);
pc = oldpc;
x86illegal();
break;
}
cycles -= 10;
return 0;
}
static int opMOV_DRx_r_a16(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load DRx\n");
x86gpf(NULL, 0);
return 0;
}
fetch_ea_16(fetchdat);
cycles -= 6;
return 0;
}
static int opMOV_DRx_r_a32(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load DRx\n");
x86gpf(NULL, 0);
return 0;
}
fetch_ea_16(fetchdat);
cycles -= 6;
return 0;
}
static int opMOV_r_TRx_a16(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load from TRx\n");
x86gpf(NULL, 0);
return 0;
}
fetch_ea_16(fetchdat);
regs[rm].l = 0;
cycles -= 6;
return 0;
}
static int opMOV_r_TRx_a32(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load from TRx\n");
x86gpf(NULL, 0);
return 0;
}
fetch_ea_32(fetchdat);
regs[rm].l = 0;
cycles -= 6;
return 0;
}
static int opMOV_TRx_r_a16(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load TRx\n");
x86gpf(NULL, 0);
return 0;
}
fetch_ea_16(fetchdat);
cycles -= 6;
return 0;
}
static int opMOV_TRx_r_a32(uint32_t fetchdat)
{
if ((CPL || (eflags&VM_FLAG)) && (cr0&1))
{
pclog("Can't load TRx\n");
x86gpf(NULL, 0);
return 0;
}
fetch_ea_16(fetchdat);
cycles -= 6;
return 0;
}