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Diffstat (limited to 'arm9/lib/src/MI_dma.c')
-rw-r--r--arm9/lib/src/MI_dma.c307
1 files changed, 0 insertions, 307 deletions
diff --git a/arm9/lib/src/MI_dma.c b/arm9/lib/src/MI_dma.c
deleted file mode 100644
index f322f87f..00000000
--- a/arm9/lib/src/MI_dma.c
+++ /dev/null
@@ -1,307 +0,0 @@
-#include "MI_dma.h"
-#include "function_target.h"
-#include "OS_interrupt.h"
-#include "OS_terminate_proc.h"
-#include "sections.h"
-
-#pragma section ITCM begin
-ARM_FUNC void MIi_DmaSetParams(u32 dmaNo, u32 src, u32 dest, u32 ctrl)
-{
- OSIntrMode lastIntrMode = OS_DisableInterrupts();
- vu32 *p = (vu32 *)((u32)REG_ADDR_DMA0SAD + dmaNo * 12);
- *p = (vu32)src;
- *(p + 1) = (vu32)dest;
- *(p + 2) = (vu32)ctrl;
- (void)OS_RestoreInterrupts(lastIntrMode);
-}
-
-ARM_FUNC void MIi_DmaSetParams_wait(u32 dmaNo, u32 src, u32 dest, u32 ctrl)
-{
- OSIntrMode enabled = OS_DisableInterrupts();
- vu32 *p = (vu32 *)((u32)REG_ADDR_DMA0SAD + dmaNo * 12);
- *p = (vu32)src;
- *(p + 1) = (vu32)dest;
- *(p + 2) = (vu32)ctrl;
-
- //delay cycles
- {
- u32 delay = reg_MI_DMA0SAD;
- }
- {
- u32 delay = reg_MI_DMA0SAD;
- }
-
- if (!dmaNo)
- {
- *p = (vu32)0;
- *(p + 1) = (vu32)0;
- *(p + 2) = (vu32)0x81400001;
- }
-
- (void)OS_RestoreInterrupts(enabled);
-}
-
-ARM_FUNC void MIi_DmaSetParams_noInt(u32 dmaNo, u32 src, u32 dest, u32 ctrl)
-{
- vu32 *p = (vu32 *)((u32)REG_ADDR_DMA0SAD + dmaNo * 12);
- *p = (vu32)src;
- *(p + 1) = (vu32)dest;
- *(p + 2) = (vu32)ctrl;
-}
-
-ARM_FUNC void MIi_DmaSetParams_wait_noInt(u32 dmaNo, u32 src, u32 dest, u32 ctrl)
-{
- vu32 *p = (vu32 *)((u32)REG_ADDR_DMA0SAD + dmaNo * 12);
- *p = (vu32)src;
- *(p + 1) = (vu32)dest;
- *(p + 2) = (vu32)ctrl;
-
- //delay cycles
- {
- u32 delay = reg_MI_DMA0SAD;
- }
- {
- u32 delay = reg_MI_DMA0SAD;
- }
-
- if (!dmaNo)
- {
- *p = (vu32)0;
- *(p + 1) = (vu32)0;
- *(p + 2) = (vu32)0x81400001;
- }
-
- //delay cycles
- {
- u32 delay = reg_MI_DMA0SAD;
- }
- {
- u32 delay = reg_MI_DMA0SAD;
- }
-}
-#pragma section ITCM end
-
-ARM_FUNC void MI_DmaFill32(u32 dmaNo, void *dest, u32 data, u32 size)
-{
- vu32 *dmaCntp;
- if (!size)
- {
- return;
- }
-
- do
- {
- dmaCntp = &((vu32 *)REG_ADDR_DMA0SAD)[dmaNo * 3 + 2];
- while (*dmaCntp & 0x80000000) {}
- } while(0);
-
- MIi_DmaSetParams_wait_src32(dmaNo, data, (u32)dest, MI_CNT_CLEAR32(size));
-
- do
- {
- while (*dmaCntp & 0x80000000) {}
- } while(0);
-}
-
-ARM_FUNC void MI_DmaCopy32(u32 dmaNo, const void *src, void *dest, u32 size)
-{
- vu32 *dmaCntp;
- MIi_CheckDma0SourceAddress(dmaNo, (u32)src, size, DMA_SRC_INC);
-
- if (!size)
- {
- return;
- }
-
- do
- {
- dmaCntp = &((vu32 *)REG_ADDR_DMA0SAD)[dmaNo * 3 + 2];
- while (*dmaCntp & 0x80000000) {}
- } while(0);
-
- MIi_DmaSetParams_wait(dmaNo, (u32)src, (u32)dest, MI_CNT_COPY32(size));
-
- do
- {
- while (*dmaCntp & 0x80000000) {}
- } while(0);
-}
-
-ARM_FUNC void MI_DmaCopy16(u32 dmaNo, const void *src, void *dest, u32 size)
-{
- vu32 *dmaCntp;
-
- if (!size)
- {
- return;
- }
-
- MIi_CheckDma0SourceAddress(dmaNo, (u32)src, size, DMA_SRC_INC);
-
- do
- {
- dmaCntp = &((vu32 *)REG_ADDR_DMA0SAD)[dmaNo * 3 + 2];
- while (*dmaCntp & 0x80000000) {}
- } while(0);
-
- MIi_DmaSetParams_wait(dmaNo, (u32)src, (u32)dest, MI_CNT_COPY16(size));
-
- do
- {
- while (*dmaCntp & 0x80000000) {}
- } while(0);
-}
-
-ARM_FUNC void MI_DmaFill32Async(u32 dmaNo, void *dest, u32 data, u32 size, MIDmaCallback callback, void *arg)
-{
- if (!size)
- {
- MIi_CallCallback(callback, arg);
- }
- else
- {
- MI_WaitDma(dmaNo);
-
- if (callback)
- {
- OSi_EnterDmaCallback(dmaNo, callback, arg);
- MIi_DmaSetParams_src32(dmaNo, data, (u32)dest, MI_CNT_CLEAR32_IF(size));
- }
- else
- {
- MIi_DmaSetParams_src32(dmaNo, data, (u32)dest, MI_CNT_CLEAR32(size));
- }
- }
-}
-
-ARM_FUNC void MI_DmaCopy32Async(u32 dmaNo, const void *src, void *dest, u32 size, MIDmaCallback callback, void *arg)
-{
- MIi_CheckDma0SourceAddress(dmaNo, (u32)src, size, DMA_SRC_INC);
-
- if (!size)
- {
- MIi_CallCallback(callback, arg);
- }
- else
- {
- MI_WaitDma(dmaNo);
-
- if (callback)
- {
- OSi_EnterDmaCallback(dmaNo, callback, arg);
- MIi_DmaSetParams(dmaNo, (u32)src, (u32)dest, MI_CNT_COPY32_IF(size));
- }
- else
- {
- MIi_DmaSetParams(dmaNo, (u32)src, (u32)dest, MI_CNT_COPY32(size));
- }
- }
-}
-
-ARM_FUNC void MI_WaitDma(u32 dmaNo)
-{
- OSIntrMode lastIntrMode = OS_DisableInterrupts();
- vu32 *dmaCntp = &((vu32 *)REG_ADDR_DMA0SAD)[dmaNo * 3 + 2];
-
- while (*dmaCntp & 0x80000000) {}
-
- if (!dmaNo)
- {
- vu32 *p = (vu32 *)((u32)REG_ADDR_DMA0SAD + dmaNo * 12);
- *p = (vu32)0;
- *(p + 1) = (vu32)0;
- *(p + 2) = (vu32)0x81400001;
- }
-
- (void)OS_RestoreInterrupts(lastIntrMode);
-}
-
-ARM_FUNC void MI_StopDma(u32 dmaNo)
-{
- OSIntrMode lastIntrMode = OS_DisableInterrupts();
- vu16 *dmaCntp = &((vu16 *)REG_ADDR_DMA0SAD)[dmaNo * 6 + 5];
-
- *dmaCntp &= ~0x3a00;
- *dmaCntp &= ~0x8000;
-
- //delay cycles
- {
- s32 delay = dmaCntp[0];
- }
- {
- s32 delay = dmaCntp[0];
- }
-
- if (!dmaNo)
- {
- vu32 *p = (vu32 *)((u32)REG_ADDR_DMA0SAD + dmaNo * 12);
- *p = (vu32)0;
- *(p + 1) = (vu32)0;
- *(p + 2) = (vu32)0x81400001;
- }
-
- (void)OS_RestoreInterrupts(lastIntrMode);
-}
-
-ARM_FUNC void MIi_CheckAnotherAutoDMA(u32 dmaNo, u32 dmaType)
-{
- u32 dmaCnt;
- u32 timing;
- for (int i = 0; i < 3; i++)
- {
- if (i == dmaNo) continue;
-
- dmaCnt = *(REGType32v *)(REG_ADDR_DMA0CNT + i * 12);
-
- if (!(dmaCnt & 0x80000000)) continue;
-
- timing = dmaCnt & 0x38000000;
-
- if (timing == dmaType
- || (timing == 0x8000000 && dmaType == MI_DMA_TIMING_H_BLANK)
- || (timing == MI_DMA_TIMING_H_BLANK && dmaType == 0x8000000))
- {
- continue;
- }
-
- if (timing == 0x18000000
- || timing == 0x20000000
- || timing == 0x28000000
- || timing == 0x30000000
- || timing == 0x38000000
- || timing == 0x8000000
- || timing == 0x10000000)
- {
- OS_Terminate();
- }
- }
-}
-
-ARM_FUNC void MIi_CheckDma0SourceAddress(u32 dmaNo, u32 src, u32 size, u32 dir)
-{
- if (!dmaNo)
- {
- u32 addStart = src & 0xff000000;
- u32 addEnd;
-
- switch (dir)
- {
- case 0: //dma_src_inc
- addEnd = src + size;
- break;
- case 0x800000: //dma_src_dec
- addEnd = src - size;
- break;
- default:
- addEnd = src;
- break;
- }
- addEnd &= 0xff000000;
-
- if (addStart == 0x04000000 || addStart >= 0x08000000 ||
- addEnd == 0x04000000 || addEnd >= 0x08000000)
- {
- OS_Terminate();
- }
- }
-}
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