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64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
#pragma once
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#include "common.h"
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#include "nand.h"
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#define VRT_SYSNAND NAND_SYSNAND
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#define VRT_EMUNAND NAND_EMUNAND
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#define VRT_IMGNAND NAND_IMGNAND
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#define VRT_XORPAD NAND_ZERONAND
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#define VRT_MEMORY (1UL<<4)
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#define VRT_GAME (1UL<<5)
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#define VRT_TICKDB (1UL<<6)
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#define VRT_KEYDB (1UL<<7)
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#define VRT_CART (1UL<<8)
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#define VRT_SOURCE (VRT_SYSNAND|VRT_EMUNAND|VRT_IMGNAND|VRT_XORPAD|VRT_MEMORY|VRT_GAME|VRT_TICKDB|VRT_KEYDB|VRT_CART)
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#define VFLAG_DIR (1UL<<10)
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#define VFLAG_ROOT (1UL<<11)
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#define VFLAG_READONLY (1UL<<12)
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#define VFLAG_LV3 (1UL<<13)
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#define VRT_DRIVES {'S', VRT_SYSNAND}, {'E', VRT_EMUNAND}, {'I', VRT_IMGNAND}, {'X', VRT_XORPAD }, \
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{'M', VRT_MEMORY}, {'G', VRT_GAME}, {'K', VRT_KEYDB}, {'T', VRT_TICKDB}, {'C', VRT_CART}
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// virtual file flag (subject to change):
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// bits 0...3 : reserved for NAND virtual sources and info
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// bits 4...9 : reserved for other virtual sources
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// bits 10...18: reserved for external flags
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// bits 19...31: reserved for internal flags (different per source, see vgame.c)
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typedef struct {
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char name[32];
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u64 offset; // must be a multiple of 0x200 (for NAND access)
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u64 size;
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u32 keyslot;
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u32 flags;
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} __attribute__((packed)) VirtualFile;
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// virtual dirs are only relevant for virtual game drives
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typedef struct {
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int index;
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u64 offset;
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u64 size;
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u32 flags;
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} __attribute__((packed)) VirtualDir;
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u32 GetVirtualSource(const char* path);
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bool InitVirtualImageDrive(void);
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bool CheckVirtualDrive(const char* path);
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bool ReadVirtualDir(VirtualFile* vfile, VirtualDir* vdir);
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bool OpenVirtualRoot(VirtualDir* vdir, u32 virtual_src);
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bool OpenVirtualDir(VirtualDir* vdir, VirtualFile* ventry);
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bool GetVirtualFile(VirtualFile* vfile, const char* path);
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bool GetVirtualDir(VirtualDir* vdir, const char* path);
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bool GetVirtualFilename(char* name, const VirtualFile* vfile, u32 n_chars);
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int ReadVirtualFile(const VirtualFile* vfile, void* buffer, u64 offset, u64 count, u32* bytes_read);
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int WriteVirtualFile(const VirtualFile* vfile, const void* buffer, u64 offset, u64 count, u32* bytes_written);
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u64 GetVirtualDriveSize(const char* path);
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