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Luma3DS-3GX/k11_extension/include/mmu.h

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2018-11-15 13:38:19 +01:00
#pragma once
#include "types.h"
#include "kernel.h"
typedef struct
{
u32 bits1_0 : 2; ///< 0b00
} Desc_TranslationFault;
typedef struct
{
u32 bits1_0 : 2; ///< 0b01
u32 sbz : 3;
u32 domain : 4;
u32 p : 1;
u32 addr : 21;
} Desc_CoarsePageTable;
typedef struct
{
u32 bits1_0 : 2; ///< 0b10
u32 b : 1;
u32 c : 1;
u32 xn : 1;
u32 domain : 4;
u32 p : 1;
u32 ap : 2;
u32 tex : 3;
u32 apx : 1;
u32 s : 1;
u32 ng : 1;
u32 bit18 : 1; ///< 0
u32 sbz : 1;
u32 addr : 12;
} Desc_Section;
typedef struct
{
u32 bits1_0 : 2; ///< 0b10
u32 b : 1;
u32 c : 1;
u32 xn : 1;
u32 domain : 4;
u32 p : 1;
u32 ap : 2;
u32 tex : 3;
u32 sbz : 3;
u32 bit18 : 1; ///< 1
u32 sbz2 : 5;
u32 addr : 8;
} Desc_Supersection;
typedef struct
{
u32 bits1_0 : 2; ///< 0b11
} Desc_Reserved;
typedef struct
{
u32 bits1_0 : 2; ///< 0b01
u32 b : 1;
u32 c : 1;
u32 ap : 2;
u32 sbz : 3;
u32 apx : 1;
u32 s : 1;
u32 ng : 1;
u32 tex : 3;
u32 xn : 1;
u32 addr : 16;
} Desc_LargePage;
typedef struct
{
u32 xn : 1;
u32 bit1 : 1; ///< 1
u32 b : 1;
u32 c : 1;
u32 ap : 2;
u32 tex : 3;
u32 apx : 1;
u32 s : 1;
u32 ng : 1;
u32 addr : 20;
} Desc_SmallPage;
typedef union
{
u32 raw;
Desc_TranslationFault translationFault;
Desc_CoarsePageTable coarsePageTable;
Desc_Section section;
Desc_Supersection supersection;
Desc_Reserved reserved;
} L1Descriptor;
typedef union
{
u32 raw;
Desc_TranslationFault translationFault;
Desc_LargePage largePage;
Desc_SmallPage smallPage;
} L2Descriptor;
typedef enum
{
Descriptor_TranslationFault,
Descriptor_CoarsePageTable,
Descriptor_Section,
Descriptor_Supersection,
Descriptor_Reserved,
Descriptor_LargePage,
Descriptor_SmallPage
} DescType;
void L1MMUTable__RWXForAll(u32 *table);
void L2MMUTable__RWXForAll(u32 *table);
u32 L1MMUTable__GetPAFromVA(u32 *table, u32 va);
u32 L2MMUTable__GetPAFromVA(u32 *table, u32 va);
u32 L1MMUTable__GetAddressUserPerm(u32 *table, u32 va);
u32 L2MMUTable__GetAddressUserPerm(u32 *table, u32 va);
void KProcessHwInfo__SetMMUTableToRWX(KProcessHwInfo *hwInfo);
u32 KProcessHwInfo__GetPAFromVA(KProcessHwInfo *hwInfo, u32 va);
u32 KProcessHwInfo__GetAddressUserPerm(KProcessHwInfo *hwInfo, u32 va);