Merge pull request #483 from GriffinRichards/remove-berry-fix

Remove berry fix

1 files changed, 0 insertions, 752 deletions

diff --git a/berry_fix/payload/src/flash.c b/berry_fix/payload/src/flash.c
deleted file mode 100644
index 1f09d0b8f..000000000
--- a/berry_fix/payload/src/flash.c
+++ /dev/null
@@ -1,752 +0,0 @@
-#include "gba/gba.h"
-#include "gba/flash_internal.h"
-#include "constants/vars.h"
-#include "global.h"
-#include "main.h"
-#include "flash.h"
-#include "rtc.h"
-
-struct SaveBlockChunk
-{
-    u8 * data;
-    u16 size;
-};
-
-u8 WriteSaveBlockChunks(u16 a0, const struct SaveBlockChunk * a1);
-u8 WriteSingleChunk(u16 a0, const struct SaveBlockChunk * a1);
-u8 TryWriteSector(u8, u8 *);
-u8 EraseCurrentChunk(u16 a0, const struct SaveBlockChunk * a1);
-u8 TryReadAllSaveSectorsCurrentSlot(u16 a0, const struct SaveBlockChunk * a1);
-u8 ReadAllSaveSectorsCurrentSlot(u16 a0, const struct SaveBlockChunk * a1);
-u8 GetSaveValidStatus(const struct SaveBlockChunk * a1);
-u32 DoReadFlashWholeSection(u8 a0, struct SaveSector * a1);
-u16 CalculateChecksum(const void *, u16);
-
-u16 gFirstSaveSector;
-u32 gPrevSaveCounter;
-u16 gLastKnownGoodSector;
-u32 gDamagedSaveSectors;
-u32 gSaveCounter;
-struct SaveSector * gFastSaveSection;
-u16 gCurSaveChunk;
-bool32 gFlashIdentIsValid;
-
-EWRAM_DATA struct SaveBlock2 gSaveBlock2 = {};
-EWRAM_DATA struct SaveBlock1 gSaveBlock1 = {};
-EWRAM_DATA struct PokemonStorage gPokemonStorage = {};
-
-// Each 4 KiB flash sector contains 3968 bytes of actual data followed by a 128 byte footer
-#define SECTOR_DATA_SIZE 3968
-#define SECTOR_FOOTER_SIZE 128
-
-#define SAVEBLOCK_CHUNK(structure, chunkNum)                                \
-{                                                                           \
-    (u8 *)&structure + chunkNum * SECTOR_DATA_SIZE,                         \
-    min(sizeof(structure) - chunkNum * SECTOR_DATA_SIZE, SECTOR_DATA_SIZE)  \
-}                                                                           \
-
-static const struct SaveBlockChunk sSaveBlockChunks[] =
-{
-    SAVEBLOCK_CHUNK(gSaveBlock2, 0),
-
-    SAVEBLOCK_CHUNK(gSaveBlock1, 0),
-    SAVEBLOCK_CHUNK(gSaveBlock1, 1),
-    SAVEBLOCK_CHUNK(gSaveBlock1, 2),
-    SAVEBLOCK_CHUNK(gSaveBlock1, 3),
-
-    SAVEBLOCK_CHUNK(gPokemonStorage, 0),
-    SAVEBLOCK_CHUNK(gPokemonStorage, 1),
-    SAVEBLOCK_CHUNK(gPokemonStorage, 2),
-    SAVEBLOCK_CHUNK(gPokemonStorage, 3),
-    SAVEBLOCK_CHUNK(gPokemonStorage, 4),
-    SAVEBLOCK_CHUNK(gPokemonStorage, 5),
-    SAVEBLOCK_CHUNK(gPokemonStorage, 6),
-    SAVEBLOCK_CHUNK(gPokemonStorage, 7),
-    SAVEBLOCK_CHUNK(gPokemonStorage, 8),
-};
-
-const u16 gInfoMessagesPal[] = INCBIN_U16("graphics/msg_box.gbapal");
-const u8 gInfoMessagesTilemap[] = INCBIN_U8("graphics/msg_box.tilemap.lz");
-const u8 gInfoMessagesGfx[] = INCBIN_U8("graphics/msg_box.4bpp.lz");
-
-bool32 flash_maincb_ident_is_valid(void)
-{
-    gFlashIdentIsValid = TRUE;
-    if (!IdentifyFlash())
-    {
-        SetFlashTimerIntr(0, &((IntrFunc *)gIntrFuncPointers)[9]);
-        return TRUE;
-    }
-    gFlashIdentIsValid = FALSE;
-    return FALSE;
-}
-
-void Call_ReadFlash(u16 sectorNum, ptrdiff_t offset, void * dest, size_t size)
-{
-    ReadFlash(sectorNum, offset, dest, size);
-}
-
-u8 Call_WriteSaveBlockChunks(u16 a0, const struct SaveBlockChunk * a1)
-{
-    return WriteSaveBlockChunks(a0, a1);
-}
-
-u8 Call_TryReadAllSaveSectorsCurrentSlot(u16 a0, const struct SaveBlockChunk * a1)
-{
-    return TryReadAllSaveSectorsCurrentSlot(a0, a1);
-}
-
-u32 * GetDamagedSaveSectorsPtr(void)
-{
-    return &gDamagedSaveSectors;
-}
-
-s32 flash_write_save_block_chunks(u8 a0)
-{
-    u8 i;
-
-    switch (a0)
-    {
-        case 0:
-        default:
-            Call_WriteSaveBlockChunks(0xFFFF, sSaveBlockChunks);
-            break;
-        case 1:
-            for (i = 0; i < 5; i++)
-            {
-                Call_WriteSaveBlockChunks(i, sSaveBlockChunks);
-            }
-            break;
-        case 2:
-            Call_WriteSaveBlockChunks(0, sSaveBlockChunks);
-            break;
-    }
-
-    return 0;
-}
-
-u8 flash_write_save_block_chunks_check_damage(u8 a0)
-{
-    flash_write_save_block_chunks(a0);
-    if (*GetDamagedSaveSectorsPtr() == 0)
-        return 1;
-    return 0xFF;
-}
-
-u8 flash_maincb_read_save(u32 unused)
-{
-    return Call_TryReadAllSaveSectorsCurrentSlot(0xFFFF, sSaveBlockChunks);
-}
-
-void msg_load_gfx(void)
-{
-    REG_DISPCNT = 0;
-    REG_BG0HOFS = 0;
-    REG_BG0VOFS = 0;
-    REG_BLDCNT = 0;
-    LZ77UnCompVram(gInfoMessagesGfx, (void *)BG_VRAM);
-    LZ77UnCompVram(gInfoMessagesTilemap, (void *)BG_SCREEN_ADDR(28));
-    CpuCopy16(gInfoMessagesPal, (void *)BG_PLTT, 0x200);
-    REG_BG0CNT = BGCNT_SCREENBASE(28) | BGCNT_TXT512x512;
-    REG_DISPCNT = DISPCNT_BG0_ON;
-}
-
-void msg_display(enum MsgBoxUpdateMessage a0)
-{
-    switch (a0)
-    {
-        case MSGBOX_WILL_NOW_UPDATE:
-            REG_BG0HOFS = 0;
-            REG_BG0VOFS = 0;
-            break;
-        case MSGBOX_HAS_BEEN_UPDATED:
-            REG_BG0HOFS = 0x100;
-            REG_BG0VOFS = 0;
-            break;
-        case MSGBOX_UNABLE_TO_UPDATE:
-            REG_BG0HOFS = 0x100;
-            REG_BG0VOFS = 0xB0;
-            break;
-        case MSGBOX_NO_NEED_TO_UPDATE:
-            REG_BG0HOFS = 0;
-            REG_BG0VOFS = 0xB0;
-            break;
-        case MSGBOX_UPDATING:
-            REG_BG0HOFS = 0;
-            REG_BG0VOFS = 0x160;
-            break;
-    }
-}
-
-void Save_EraseAllData(void)
-{
-    u16 i;
-    for (i = 0; i < 32; i++)
-        EraseFlashSector(i);
-}
-
-void Save_ResetSaveCounters(void)
-{
-    gSaveCounter = 0;
-    gFirstSaveSector = 0;
-    gDamagedSaveSectors = 0;
-}
-
-bool32 SetSectorDamagedStatus(u8 op, u8 sectorNum)
-{
-    bool32 retVal = FALSE;
-
-    switch (op)
-    {
-        case SECTOR_DAMAGED:
-            gDamagedSaveSectors |= (1 << sectorNum);
-            break;
-        case SECTOR_OK:
-            gDamagedSaveSectors &= ~(1 << sectorNum);
-            break;
-        case SECTOR_CHECK: // unused
-            if (gDamagedSaveSectors & (1 << sectorNum))
-                retVal = TRUE;
-            break;
-    }
-
-    return retVal;
-}
-
-u8 WriteSaveBlockChunks(u16 chunkId, const struct SaveBlockChunk *chunks)
-{
-    u32 retVal;
-    u16 i;
-
-    gFastSaveSection = eSaveSection;
-
-    if (chunkId != 0xFFFF)  // write single chunk
-    {
-        retVal = WriteSingleChunk(chunkId, chunks);
-    }
-    else  // write all chunks
-    {
-        gLastKnownGoodSector = gFirstSaveSector;
-        gPrevSaveCounter = gSaveCounter;
-        gFirstSaveSector++;
-        gFirstSaveSector %= NUM_SECTORS_PER_SAVE_SLOT;
-        gSaveCounter++;
-        retVal = SAVE_STATUS_OK;
-
-        for (i = 0; i < NUM_SECTORS_PER_SAVE_SLOT; i++)
-            WriteSingleChunk(i, chunks);
-
-        // Check for any bad sectors
-        if (gDamagedSaveSectors != 0) // skip the damaged sector.
-        {
-            retVal = SAVE_STATUS_ERROR;
-            gFirstSaveSector = gLastKnownGoodSector;
-            gSaveCounter = gPrevSaveCounter;
-        }
-    }
-
-    return retVal;
-}
-
-u8 WriteSingleChunk(u16 chunkId, const struct SaveBlockChunk * chunks)
-{
-    u16 i;
-    u16 sectorNum;
-    u8 *chunkData;
-    u16 chunkSize;
-
-    // select sector number
-    sectorNum = chunkId + gFirstSaveSector;
-    sectorNum %= NUM_SECTORS_PER_SAVE_SLOT;
-    // select save slot
-    sectorNum += NUM_SECTORS_PER_SAVE_SLOT * (gSaveCounter % 2);
-
-    chunkData = chunks[chunkId].data;
-    chunkSize = chunks[chunkId].size;
-
-    // clear save section.
-    for (i = 0; i < sizeof(struct SaveSector); i++)
-        ((u8 *)gFastSaveSection)[i] = 0;
-
-    gFastSaveSection->id = chunkId;
-    gFastSaveSection->signature = FILE_SIGNATURE;
-    gFastSaveSection->counter = gSaveCounter;
-    for (i = 0; i < chunkSize; i++)
-        gFastSaveSection->data[i] = chunkData[i];
-    gFastSaveSection->checksum = CalculateChecksum(chunkData, chunkSize);
-
-    return TryWriteSector(sectorNum, gFastSaveSection->data);
-}
-
-u8 HandleWriteSectorNBytes(u8 sectorNum, u8 *data, u16 size)
-{
-    u16 i;
-    struct SaveSector *section = eSaveSection;
-
-    for (i = 0; i < sizeof(struct SaveSector); i++)
-        ((char *)section)[i] = 0;
-
-    section->signature = FILE_SIGNATURE;
-    for (i = 0; i < size; i++)
-        section->data[i] = data[i];
-    section->id = CalculateChecksum(data, size); // though this appears to be incorrect, it might be some sector checksum instead of a whole save checksum and only appears to be relevent to HOF data, if used.
-
-    return TryWriteSector(sectorNum, section->data);
-}
-
-u8 TryWriteSector(u8 sectorNum, u8 *data)
-{
-    if (ProgramFlashSectorAndVerify(sectorNum, data) != 0) // is damaged?
-    {
-        SetSectorDamagedStatus(SECTOR_DAMAGED, sectorNum); // set damaged sector bits.
-        return SAVE_STATUS_ERROR;
-    }
-    else
-    {
-        SetSectorDamagedStatus(SECTOR_OK, sectorNum); // unset damaged sector bits. it's safe now.
-        return SAVE_STATUS_OK;
-    }
-}
-
-u32 RestoreSaveBackupVarsAndIncrement(const struct SaveBlockChunk *chunk) // chunk is unused
-{
-    gFastSaveSection = eSaveSection;
-    gLastKnownGoodSector = gFirstSaveSector;
-    gPrevSaveCounter = gSaveCounter;
-    gFirstSaveSector++;
-    gFirstSaveSector %= NUM_SECTORS_PER_SAVE_SLOT;
-    gSaveCounter++;
-    gCurSaveChunk = 0;
-    gDamagedSaveSectors = 0;
-    return 0;
-}
-
-u32 RestoreSaveBackupVars(const struct SaveBlockChunk *chunk)
-{
-    gFastSaveSection = eSaveSection;
-    gLastKnownGoodSector = gFirstSaveSector;
-    gPrevSaveCounter = gSaveCounter;
-    gCurSaveChunk = 0;
-    gDamagedSaveSectors = 0;
-    return 0;
-}
-
-u8 WriteSingleChunkAndIncrement(u16 a1, const struct SaveBlockChunk * chunk)
-{
-    u8 retVal;
-
-    if (gCurSaveChunk < a1 - 1)
-    {
-        retVal = SAVE_STATUS_OK;
-        WriteSingleChunk(gCurSaveChunk, chunk);
-        gCurSaveChunk++;
-        if (gDamagedSaveSectors)
-        {
-            retVal = SAVE_STATUS_ERROR;
-            gFirstSaveSector = gLastKnownGoodSector;
-            gSaveCounter = gPrevSaveCounter;
-        }
-    }
-    else
-    {
-        retVal = SAVE_STATUS_ERROR;
-    }
-
-    return retVal;
-}
-
-u8 ErasePreviousChunk(u16 a1, const struct SaveBlockChunk *chunk)
-{
-    u8 retVal = SAVE_STATUS_OK;
-
-    EraseCurrentChunk(a1 - 1, chunk);
-
-    if (gDamagedSaveSectors)
-    {
-        retVal = SAVE_STATUS_ERROR;
-        gFirstSaveSector = gLastKnownGoodSector;
-        gSaveCounter = gPrevSaveCounter;
-    }
-    return retVal;
-}
-
-u8 EraseCurrentChunk(u16 chunkId, const struct SaveBlockChunk *chunks)
-{
-    u16 i;
-    u16 sector;
-    u8 *data;
-    u16 size;
-    u8 status;
-
-    // select sector number
-    sector = chunkId + gFirstSaveSector;
-    sector %= NUM_SECTORS_PER_SAVE_SLOT;
-    // select save slot
-    sector += NUM_SECTORS_PER_SAVE_SLOT * (gSaveCounter % 2);
-
-    data = chunks[chunkId].data;
-    size = chunks[chunkId].size;
-
-    // clear temp save section.
-    for (i = 0; i < sizeof(struct SaveSector); i++)
-        ((char *)gFastSaveSection)[i] = 0;
-
-    gFastSaveSection->id = chunkId;
-    gFastSaveSection->signature = FILE_SIGNATURE;
-    gFastSaveSection->counter = gSaveCounter;
-
-    // set temp section's data.
-    for (i = 0; i < size; i++)
-        gFastSaveSection->data[i] = data[i];
-
-    // calculate checksum.
-    gFastSaveSection->checksum = CalculateChecksum(data, size);
-
-    EraseFlashSector(sector);
-
-    status = SAVE_STATUS_OK;
-
-    for (i = 0; i < sizeof(struct UnkSaveSection); i++)
-    {
-        if (ProgramFlashByte(sector, i, gFastSaveSection->data[i]))
-        {
-            status = SAVE_STATUS_ERROR;
-            break;
-        }
-    }
-
-    if (status == SAVE_STATUS_ERROR)
-    {
-        SetSectorDamagedStatus(SECTOR_DAMAGED, sector);
-        return SAVE_STATUS_ERROR;
-    }
-    else
-    {
-        status = SAVE_STATUS_OK;
-
-        for (i = 0; i < 7; i++)
-        {
-            if (ProgramFlashByte(sector, 0xFF9 + i, ((u8 *)gFastSaveSection)[0xFF9 + i]))
-            {
-                status = SAVE_STATUS_ERROR;
-                break;
-            }
-        }
-
-        if (status == SAVE_STATUS_ERROR)
-        {
-            SetSectorDamagedStatus(SECTOR_DAMAGED, sector);
-            return SAVE_STATUS_ERROR;
-        }
-        else
-        {
-            SetSectorDamagedStatus(SECTOR_OK, sector);
-            return SAVE_STATUS_OK;
-        }
-    }
-}
-
-u8 WriteSomeFlashByteToPrevSector(u16 a1, const struct SaveBlockChunk *chunk)
-{
-    u16 sector;
-
-    // select sector number
-    sector = a1 + gFirstSaveSector - 1;
-    sector %= NUM_SECTORS_PER_SAVE_SLOT;
-    // select save slot
-    sector += NUM_SECTORS_PER_SAVE_SLOT * (gSaveCounter % 2);
-
-    if (ProgramFlashByte(sector, sizeof(struct UnkSaveSection), ((u8 *)gFastSaveSection)[sizeof(struct UnkSaveSection)]))
-    {
-        // sector is damaged, so enable the bit in gDamagedSaveSectors and restore the last written sector and save counter.
-        SetSectorDamagedStatus(SECTOR_DAMAGED, sector);
-        gFirstSaveSector = gLastKnownGoodSector;
-        gSaveCounter = gPrevSaveCounter;
-        return SAVE_STATUS_ERROR;
-    }
-    else
-    {
-        SetSectorDamagedStatus(SECTOR_OK, sector);
-        return SAVE_STATUS_OK;
-    }
-}
-
-u8 WriteSomeFlashByte0x25ToPrevSector(u16 a1, const struct SaveBlockChunk *chunk)
-{
-    u16 sector;
-
-    sector = a1 + gFirstSaveSector - 1;
-    sector %= NUM_SECTORS_PER_SAVE_SLOT;
-    sector += NUM_SECTORS_PER_SAVE_SLOT * (gSaveCounter % 2);
-
-    if (ProgramFlashByte(sector, sizeof(struct UnkSaveSection), 0x25))
-    {
-        // sector is damaged, so enable the bit in gDamagedSaveSectors and restore the last written sector and save counter.
-        SetSectorDamagedStatus(SECTOR_DAMAGED, sector);
-        gFirstSaveSector = gLastKnownGoodSector;
-        gSaveCounter = gPrevSaveCounter;
-        return SAVE_STATUS_ERROR;
-    }
-    else
-    {
-        SetSectorDamagedStatus(SECTOR_OK, sector);
-        return SAVE_STATUS_OK;
-    }
-}
-
-u8 TryReadAllSaveSectorsCurrentSlot(u16 a1, const struct SaveBlockChunk *chunk)
-{
-    u8 retVal;
-    gFastSaveSection = eSaveSection;
-    if (a1 != 0xFFFF)
-    {
-        retVal = SAVE_STATUS_ERROR;
-    }
-    else
-    {
-        retVal = GetSaveValidStatus(chunk);
-        ReadAllSaveSectorsCurrentSlot(0xFFFF, chunk);
-    }
-
-    return retVal;
-}
-
-u8 ReadAllSaveSectorsCurrentSlot(u16 a1, const struct SaveBlockChunk *chunks)
-{
-    u16 i;
-    u16 checksum;
-    u16 sector = NUM_SECTORS_PER_SAVE_SLOT * (gSaveCounter % 2);
-    u16 id;
-
-    for (i = 0; i < NUM_SECTORS_PER_SAVE_SLOT; i++)
-    {
-        DoReadFlashWholeSection(i + sector, gFastSaveSection);
-        id = gFastSaveSection->id;
-        if (id == 0)
-            gFirstSaveSector = i;
-        checksum = CalculateChecksum(gFastSaveSection->data, chunks[id].size);
-        if (gFastSaveSection->signature == FILE_SIGNATURE
-            && gFastSaveSection->checksum == checksum)
-        {
-            u16 j;
-            for (j = 0; j < chunks[id].size; j++)
-                chunks[id].data[j] = gFastSaveSection->data[j];
-        }
-    }
-
-    return 1;
-}
-
-u8 GetSaveValidStatus(const struct SaveBlockChunk *chunks)
-{
-    u16 sector;
-    bool8 signatureValid;
-    u16 checksum;
-    u32 slot1saveCounter = 0;
-    u32 slot2saveCounter = 0;
-    u8 slot1Status;
-    u8 slot2Status;
-    u32 validSectors;
-    const u32 ALL_SECTORS = (1 << NUM_SECTORS_PER_SAVE_SLOT) - 1;  // bitmask of all saveblock sectors
-
-    // check save slot 1.
-    validSectors = 0;
-    signatureValid = FALSE;
-    for (sector = 0; sector < NUM_SECTORS_PER_SAVE_SLOT; sector++)
-    {
-        DoReadFlashWholeSection(sector, gFastSaveSection);
-        if (gFastSaveSection->signature == FILE_SIGNATURE)
-        {
-            signatureValid = TRUE;
-            checksum = CalculateChecksum(gFastSaveSection->data, chunks[gFastSaveSection->id].size);
-            if (gFastSaveSection->checksum == checksum)
-            {
-                slot1saveCounter = gFastSaveSection->counter;
-                validSectors |= 1 << gFastSaveSection->id;
-            }
-        }
-    }
-
-    if (signatureValid)
-    {
-        if (validSectors == ALL_SECTORS)
-            slot1Status = SAVE_STATUS_OK;
-        else
-            slot1Status = SAVE_STATUS_ERROR;
-    }
-    else
-    {
-        slot1Status = SAVE_STATUS_EMPTY;
-    }
-
-    // check save slot 2.
-    validSectors = 0;
-    signatureValid = FALSE;
-    for (sector = 0; sector < NUM_SECTORS_PER_SAVE_SLOT; sector++)
-    {
-        DoReadFlashWholeSection(NUM_SECTORS_PER_SAVE_SLOT + sector, gFastSaveSection);
-        if (gFastSaveSection->signature == FILE_SIGNATURE)
-        {
-            signatureValid = TRUE;
-            checksum = CalculateChecksum(gFastSaveSection->data, chunks[gFastSaveSection->id].size);
-            if (gFastSaveSection->checksum == checksum)
-            {
-                slot2saveCounter = gFastSaveSection->counter;
-                validSectors |= 1 << gFastSaveSection->id;
-            }
-        }
-    }
-
-    if (signatureValid)
-    {
-        if (validSectors == ALL_SECTORS)
-            slot2Status = SAVE_STATUS_OK;
-        else
-            slot2Status = SAVE_STATUS_ERROR;
-    }
-    else
-    {
-        slot2Status = SAVE_STATUS_EMPTY;
-    }
-
-    if (slot1Status == SAVE_STATUS_OK && slot2Status == SAVE_STATUS_OK)
-    {
-        // Choose counter of the most recent save file
-        if ((slot1saveCounter == -1 && slot2saveCounter == 0) || (slot1saveCounter == 0 && slot2saveCounter == -1))
-        {
-            if ((unsigned)(slot1saveCounter + 1) < (unsigned)(slot2saveCounter + 1))
-                gSaveCounter = slot2saveCounter;
-            else
-                gSaveCounter = slot1saveCounter;
-        }
-        else
-        {
-            if (slot1saveCounter < slot2saveCounter)
-                gSaveCounter = slot2saveCounter;
-            else
-                gSaveCounter = slot1saveCounter;
-        }
-        return SAVE_STATUS_OK;
-    }
-
-    if (slot1Status == SAVE_STATUS_OK)
-    {
-        gSaveCounter = slot1saveCounter;
-        if (slot2Status == SAVE_STATUS_ERROR)
-            return SAVE_STATUS_ERROR;
-        else
-            return SAVE_STATUS_OK;
-    }
-
-    if (slot2Status == SAVE_STATUS_OK)
-    {
-        gSaveCounter = slot2saveCounter;
-        if (slot1Status == SAVE_STATUS_ERROR)
-            return SAVE_STATUS_ERROR;
-        else
-            return SAVE_STATUS_OK;
-    }
-
-    if (slot1Status == SAVE_STATUS_EMPTY && slot2Status == SAVE_STATUS_EMPTY)
-    {
-        gSaveCounter = 0;
-        gFirstSaveSector = 0;
-        return SAVE_STATUS_EMPTY;
-    }
-
-    gSaveCounter = 0;
-    gFirstSaveSector = 0;
-    return 2;
-}
-
-u8 ReadSomeUnknownSectorAndVerify(u8 sector, u8 *data, u16 size)
-{
-    u16 i;
-    struct SaveSector *section = eSaveSection;
-
-    DoReadFlashWholeSection(sector, section);
-    if (section->signature == FILE_SIGNATURE)
-    {
-        u16 checksum = CalculateChecksum(section->data, size);
-        if (section->id == checksum)
-        {
-            for (i = 0; i < size; i++)
-                data[i] = section->data[i];
-            return SAVE_STATUS_OK;
-        }
-        else
-        {
-            return 2;
-        }
-    }
-    else
-    {
-        return SAVE_STATUS_EMPTY;
-    }
-}
-
-u32 DoReadFlashWholeSection(u8 sector, struct SaveSector *section)
-{
-    ReadFlash(sector, 0, section->data, sizeof(struct SaveSector));
-    return 1;
-}
-
-u16 CalculateChecksum(const void *data, u16 size)
-{
-    u16 i;
-    u32 checksum = 0;
-
-    for (i = 0; i < (size / 4); i++)
-    {
-        checksum += *((u32 *)data);
-        data += sizeof(u32);
-    }
-
-    return ((checksum >> 16) + checksum);
-}
-
-void nullsub_0201182C()
-{
-}
-
-void nullsub_02011830()
-{
-}
-
-void nullsub_02011834()
-{
-}
-
-u16 * get_var_addr(u16 a0)
-{
-    if (a0 < VARS_START)
-        return NULL;
-    if (a0 < VAR_SPECIAL_0)
-        return &gSaveBlock1.vars[a0 - VARS_START];
-    return NULL;
-}
-
-bool32 flash_maincb_check_need_reset_pacifidlog_tm(void)
-{
-    u8 sp0;
-    u16 * data = get_var_addr(VAR_PACIFIDLOG_TM_RECEIVED_DAY);
-    rtc_maincb_is_time_since_last_berry_update_positive(&sp0);
-    if (*data <= gRtcUTCTime.days)
-        return TRUE;
-    else
-        return FALSE;
-}
-
-bool32 flash_maincb_reset_pacifidlog_tm(void)
-{
-    u8 sp0;
-    if (flash_maincb_check_need_reset_pacifidlog_tm() == TRUE)
-        return TRUE;
-    rtc_maincb_is_time_since_last_berry_update_positive(&sp0);
-    if (gRtcUTCTime.days < 0)
-        return FALSE;
-    *get_var_addr(VAR_PACIFIDLOG_TM_RECEIVED_DAY) = 1;
-    if (flash_write_save_block_chunks_check_damage(0) != TRUE)
-        return FALSE;
-    return TRUE;
-}