diff options
Diffstat (limited to 'arm9/lib/src/CTRDG_common.c')
| -rw-r--r-- | arm9/lib/src/CTRDG_common.c | 350 |
1 files changed, 0 insertions, 350 deletions
diff --git a/arm9/lib/src/CTRDG_common.c b/arm9/lib/src/CTRDG_common.c deleted file mode 100644 index df3ec0b6..00000000 --- a/arm9/lib/src/CTRDG_common.c +++ /dev/null @@ -1,350 +0,0 @@ -#include "CTRDG_common.h" -#include "function_target.h" -#include "syscall.h" -#include "OS_cache.h" -#include "OS_protectionRegion.h" -#include "OS_terminate_proc.h" -#include "PXI_fifo.h" -#include "MI_dma.h" -#include "MI_memory.h" -#include "mmap.h" - -CTRDGWork CTRDGi_Work; - -static BOOL CTRDGi_EnableFlag = FALSE; - -ARM_FUNC void CTRDGi_InitCommon(void) -{ - SVC_CpuClear(0, &CTRDGi_Work, sizeof(CTRDGi_Work), 32); - - CTRDGi_Work.lockID = (u16)OS_GetLockID(); -} - -ARM_FUNC BOOL CTRDG_IsAgbCartridge(void) -{ - return (CTRDG_IsExisting() && CTRDGi_IsAgbCartridgeAtInit()); -} - -ARM_FUNC BOOL CTRDG_IsOptionCartridge(void) -{ - return (CTRDG_IsExisting() && !CTRDGi_IsAgbCartridgeAtInit()); -} - -ARM_FUNC BOOL CTRDGi_IsAgbCartridgeAtInit(void) -{ - CTRDGModuleInfo *cip = CTRDGi_GetModuleInfoAddr(); - - return cip->isAgbCartridge; -} - -ARM_FUNC u32 CTRDG_GetAgbGameCode(void) -{ - u32 ret = 0; - - if (CTRDG_IsExisting()) - { - ret = CTRDGi_GetAgbGameCodeAtInit(); - } - - return ret; -} - -ARM_FUNC u32 CTRDGi_GetAgbGameCodeAtInit(void) -{ - CTRDGModuleInfo *cip = CTRDGi_GetModuleInfoAddr(); - u32 ret = 0; - - if (CTRDGi_IsAgbCartridgeAtInit()) - { - ret = cip->gameCode; - } - - return ret; -} - -ARM_FUNC u16 CTRDG_GetAgbMakerCode(void) -{ - u16 ret = 0; - - if (CTRDG_IsExisting()) - { - ret = CTRDGi_GetAgbMakerCodeAtInit(); - } - - return ret; -} - -ARM_FUNC u16 CTRDGi_GetAgbMakerCodeAtInit(void) -{ - CTRDGModuleInfo *cip = CTRDGi_GetModuleInfoAddr(); - u16 ret = 0; - - if (CTRDGi_IsAgbCartridgeAtInit()) - { - ret = cip->makerCode; - } - - return ret; -} - -ARM_FUNC BOOL CTRDG_IsPulledOut(void) -{ - CTRDGModuleInfo *cip = CTRDGi_GetModuleInfoAddr(); - - if (cip->moduleID.raw == 0xffff) - { - return FALSE; - } - - if (!cip->detectPullOut) - { - (void)CTRDG_IsExisting(); - } - - return cip->detectPullOut; -} - -ARM_FUNC BOOL CTRDG_IsExisting(void) -{ - BOOL ret = TRUE; - CTRDGLockByProc lockInfo; - - CTRDGHeader *chp = CTRDGi_GetHeaderAddr(); - CTRDGModuleInfo *cip = CTRDGi_GetModuleInfoAddr(); - - if (cip->moduleID.raw == 0xffff) - { - return FALSE; - } - - if (cip->detectPullOut == TRUE) - { - return FALSE; - } - - CTRDGi_LockByProcessor(CTRDGi_Work.lockID, &lockInfo); - - CTRDGRomCycle rc; - - CTRDGi_ChangeLatestAccessCycle(&rc); - u8 isRomCode = chp->isRomCode; - - if ((isRomCode == CTRDG_IS_ROM_CODE && cip->moduleID.raw != chp->moduleID) - || (isRomCode != CTRDG_IS_ROM_CODE && cip->moduleID.raw != *CTRDGi_GetModuleIDImageAddr()) - || ((cip->gameCode != chp->gameCode) && cip->isAgbCartridge)) - { - cip->detectPullOut = TRUE; - ret = FALSE; - } - - CTRDGi_RestoreAccessCycle(&rc); - - CTRDGi_UnlockByProcessor(CTRDGi_Work.lockID, &lockInfo); - - return ret; -} - -ARM_FUNC void CTRDGi_ChangeLatestAccessCycle(CTRDGRomCycle *r) -{ - r->c1 = MI_GetCartridgeRomCycle1st(); - r->c2 = MI_GetCartridgeRomCycle2nd(); - - MI_SetCartridgeRomCycle1st(MI_CTRDG_ROMCYCLE1_18); - MI_SetCartridgeRomCycle2nd(MI_CTRDG_ROMCYCLE2_6); -} - -ARM_FUNC void CTRDGi_RestoreAccessCycle(CTRDGRomCycle *r) -{ - MI_SetCartridgeRomCycle1st(r->c1); - MI_SetCartridgeRomCycle2nd(r->c2); -} - -ARM_FUNC void CTRDGi_LockByProcessor(u16 lockID, CTRDGLockByProc *info) -{ - while (TRUE) - { - info->irq = OS_DisableInterrupts(); - if (((info->locked = OS_ReadOwnerOfLockCartridge() & CTRDG_LOCKED_BY_MYPROC_FLAG) != 0) - || (OS_TryLockCartridge(lockID) == OS_LOCK_SUCCESS)) - { - break; - } - (void)OS_RestoreInterrupts(info->irq); - - SVC_WaitByLoop(1); - } -} - -ARM_FUNC void CTRDGi_UnlockByProcessor(u16 lockID, CTRDGLockByProc *info) -{ - if (!info->locked) - { - (void)OS_UnLockCartridge(lockID); - } - - (void)OS_RestoreInterrupts(info->irq); -} - -ARM_FUNC void CTRDGi_SendtoPxi(u32 data) -{ - while (PXI_SendWordByFifo(PXI_FIFO_TAG_CTRDG, data, FALSE) != PXI_FIFO_SUCCESS) - { - SVC_WaitByLoop(1); - } -} - -ARM_FUNC BOOL CTRDG_CpuCopy8(const void *src, void *dest, u32 size) -{ - if (HW_CTRDG_ROM <= (u32)dest && (u32)dest < HW_CTRDG_RAM_END) - { - return CTRDGi_CopyCommon(0, (const void *)dest, (void *)src, size, CTRDGi_FORWARD_CPU8); - } - else - { - return CTRDGi_CopyCommon(0, src, dest, size, CTRDGi_FORWARD_CPU8); - } -} - -ARM_FUNC BOOL CTRDG_CpuCopy16(const void *src, void *dest, u32 size) -{ - return CTRDGi_CopyCommon(0, src, dest, size, CTRDGi_FORWARD_CPU16); -} - -ARM_FUNC BOOL CTRDG_CpuCopy32(const void *src, void *dest, u32 size) -{ - return CTRDGi_CopyCommon(0, src, dest, size, CTRDGi_FORWARD_CPU32); -} - -ARM_FUNC BOOL CTRDGi_CopyCommon(u32 dmaNo, const void *src, void *dest, u32 size, u32 forwardType) -{ - if (!CTRDG_IsExisting()) - { - return FALSE; - } - - CTRDG_CheckEnabled(); - - (void)OS_LockCartridge(CTRDGi_Work.lockID); - - if ((forwardType & CTRDGi_FORWARD_TYPE_MASK) == CTRDGi_FORWARD_TYPE_DMA) - { - MI_StopDma(dmaNo); - DC_FlushRange(dest, size); - } - - switch (forwardType) - { - case CTRDGi_FORWARD_DMA16: - MI_DmaCopy16(dmaNo, src, dest, size); - break; - case CTRDGi_FORWARD_DMA32: - MI_DmaCopy32(dmaNo, src, dest, size); - break; - case CTRDGi_FORWARD_CPU16: - MI_CpuCopy16(src, dest, size); - break; - case CTRDGi_FORWARD_CPU32: - MI_CpuCopy32(src, dest, size); - break; - - case CTRDGi_FORWARD_CPU8: - u8 *dest8 = (u8 *)dest; - u8 *src8 = (u8 *)src; - for (s32 n = 0; n < size; n++) - { - *dest8++ = *src8++; - } - break; - } - - (void)OS_UnLockCartridge(CTRDGi_Work.lockID); - - if (!CTRDG_IsExisting()) - { - return FALSE; - } - - return TRUE; -} - -ARM_FUNC BOOL CTRDG_Read32(const u32 *address, u32 *rdata) -{ - return CTRDGi_AccessCommon((void *)address, 0, rdata, CTRDGi_ACCESS_READ32); -} - -ARM_FUNC BOOL CTRDGi_AccessCommon(void *address, u32 data, void *rdata, u32 accessType) -{ - if (!CTRDG_IsExisting()) - { - return FALSE; - } - - CTRDG_CheckEnabled(); - - (void)OS_LockCartridge(CTRDGi_Work.lockID); - - switch (accessType) - { - case CTRDGi_ACCESS_READ8: - if (rdata) - { - *(u8 *)rdata = *(u8 *)address; - } - break; - case CTRDGi_ACCESS_READ16: - if (rdata) - { - *(u16 *)rdata = *(u16 *)address; - } - break; - case CTRDGi_ACCESS_READ32: - if (rdata) - { - *(u32 *)rdata = *(u32 *)address; - } - break; - case CTRDGi_ACCESS_WRITE8: - *(u8 *)address = (u8)data; - break; - case CTRDGi_ACCESS_WRITE16: - *(u16 *)address = (u16)data; - break; - case CTRDGi_ACCESS_WRITE32: - *(u32 *)address = (u32)data; - break; - } - - (void)OS_UnLockCartridge(CTRDGi_Work.lockID); - - if (!CTRDG_IsExisting()) - { - return FALSE; - } - - return TRUE; -} - -ARM_FUNC BOOL CTRDG_IsEnabled(void) -{ - return CTRDGi_EnableFlag; -} - -ARM_FUNC void CTRDG_Enable(BOOL enable) -{ - OSIntrMode bak_cpsr = OS_DisableInterrupts(); - CTRDGi_EnableFlag = enable; - if (!CTRDG_IsOptionCartridge()) - { - u32 acc = (u32)(enable ? OS_PR3_ACCESS_RW : OS_PR3_ACCESS_RO); - (void)OS_SetDPermissionsForProtectionRegion(OS_PR3_ACCESS_MASK, acc); - } - (void)OS_RestoreInterrupts(bak_cpsr); -} - -ARM_FUNC void CTRDG_CheckEnabled(void) -{ - if (!CTRDG_IsOptionCartridge() && !CTRDG_IsEnabled()) - { - OS_Terminate(); - } -} |