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