Zelda64Recomp/ultramodern/misc_ultra.cpp

22 lines
677 B
C++

#include "ultra64.h"
#define K0BASE 0x80000000
#define K1BASE 0xA0000000
#define K2BASE 0xC0000000
#define IS_KSEG0(x) ((u32)(x) >= K0BASE && (u32)(x) < K1BASE)
#define IS_KSEG1(x) ((u32)(x) >= K1BASE && (u32)(x) < K2BASE)
#define K0_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF) /* kseg0 to physical */
#define K1_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF) /* kseg1 to physical */
u32 osVirtualToPhysical(PTR(void) addr) {
uintptr_t addr_val = (uintptr_t)addr;
if (IS_KSEG0(addr_val)) {
return K0_TO_PHYS(addr_val);
} else if (IS_KSEG1(addr_val)) {
return K1_TO_PHYS(addr_val);
} else {
// TODO handle TLB mappings
return (u32)addr_val;
}
}