dolphin/Source/TestSuite/ASM/source/Helpers.cpp

59 lines
746 B
C++
Raw Normal View History

#include "Defines.h"
u32 GetCR0()
{
u32 var;
asm(
"mfcr %0"
: "=&r"(var)
);
return var;
}
u32 GetCR(u32 num)
{
u32 var;
if(num == 0) // wtf, silly people
return GetCR0();
else {
// TODO: Ugly switch is ugly, was failing otherwise
switch (num) {
case 1:
asm("mcrf 0, 1");
break;
case 2:
asm("mcrf 0, 2");
break;
case 3:
asm("mcrf 0, 3");
break;
case 4:
asm("mcrf 0, 4");
break;
case 5:
asm("mcrf 0, 5");
break;
case 6:
asm("mcrf 0, 6");
break;
case 7:
asm("mcrf 0, 7");
break;
default:
printf("Can this be more than 7?\n");
break;
}
return GetCR0();
}
}
u32 GetXER()
{
u32 var;
asm(
"mfxer %0"
: "=&r"(var)
);
return var;
}