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missing file from previous commit

This commit is contained in:
Flyinghead 2019-03-25 11:56:41 +01:00
parent ef43883fb5
commit cb6acab40f
1 changed files with 25 additions and 0 deletions
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25
core/hw/sh4/modules/mmu.h
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@ -2,6 +2,14 @@
#include "types.h"
#include "hw/sh4/sh4_mmr.h"
//Translation Types
//Opcode read
#define MMU_TT_IREAD 0
//Data write
#define MMU_TT_DWRITE 1
//Data write
#define MMU_TT_DREAD 2
struct TLB_Entry
{
CCN_PTEH_type Address;
@ -19,12 +27,29 @@ void ITLB_Sync(u32 entry);
bool mmu_match(u32 va, CCN_PTEH_type Address, CCN_PTEL_type Data);
void mmu_set_state();
void mmu_flush_table();
static INLINE bool mmu_enabled()
{
#ifndef NO_MMU
return settings.dreamcast.FullMMU && CCN_MMUCR.AT == 1;
#else
return false;
#endif
}
template<bool internal = false>
u32 mmu_full_lookup(u32 va, const TLB_Entry **entry, u32& rv);
void mmu_instruction_translation(u32 va, u32& rv, bool& shared);
template<u32 translation_type, typename T>
extern void mmu_data_translation(u32 va, u32& rv);
#if defined(NO_MMU)
bool inline mmu_TranslateSQW(u32 addr, u32* mapped) {
*mapped = sq_remap[(addr>>20)&0x3F] | (addr & 0xFFFE0);
return true;
}
void inline mmu_flush_table() {}
#else
u8 DYNACALL mmu_ReadMem8(u32 addr);
u16 DYNACALL mmu_ReadMem16(u32 addr);