summaryrefslogtreecommitdiff
path: root/arm9/lib/src/CARD_rom.c
diff options
context:
space:
mode:
Diffstat (limited to 'arm9/lib/src/CARD_rom.c')
-rw-r--r--arm9/lib/src/CARD_rom.c280
1 files changed, 0 insertions, 280 deletions
diff --git a/arm9/lib/src/CARD_rom.c b/arm9/lib/src/CARD_rom.c
deleted file mode 100644
index 6d6b1ff8..00000000
--- a/arm9/lib/src/CARD_rom.c
+++ /dev/null
@@ -1,280 +0,0 @@
-#include "function_target.h"
-#include "nitro/types.h"
-#include "CARD_pullOut.h"
-#include "CARD_rom.h"
-#include "MI_dma_card.h"
-#include "MI_memory.h"
-#include "OS_cache.h"
-#include "OS_interrupt.h"
-
-extern u32 cardi_rom_base;
-u32 cardi_rom_base;
-u32 cardi_rom_header_addr = HW_ROM_HEADER_BUF;
-
-CARDRomStat rom_stat ALIGN(32);
-
-static BOOL CARDi_ReadFromCache(CARDRomStat *p);
-static void CARDi_SetRomOp(u32 cmd1, u32 cmd2);
-static void CARDi_SetCardDma(void);
-static void CARDi_OnReadCard(void);
-static void CARDi_ReadRomSyncCore(CARDiCommon *c);
-
-static inline BOOL CARDi_OnReadPageDirect(CARDRomStat *arg)
-{
-#pragma unused(arg)
- CARDiCommon *p = &cardi_common;
- p->src += CARD_ROM_PAGE_SIZE;
- p->dst += CARD_ROM_PAGE_SIZE;
- p->len -= CARD_ROM_PAGE_SIZE;
- return (p->len > 0);
-}
-
-ARM_FUNC static BOOL CARDi_ReadFromCache(CARDRomStat *p)
-{
- CARDiCommon *c = &cardi_common;
- const u32 cur_page = CARD_ALIGN_HI_BIT(c->src);
- if (cur_page == (u32)p->cache_page)
- {
- const u32 mod = c->src - cur_page;
- u32 len = CARD_ROM_PAGE_SIZE - mod;
- if (len > c->len)
- {
- len = c->len;
- }
- MI_CpuCopy8(p->cache_buf + mod, (void *)c->dst, len);
- c->src += len;
- c->dst += len;
- c->len -= len;
- }
- return (c->len > 0);
-}
-
-ARM_FUNC static void CARDi_SetRomOp(u32 cmd1, u32 cmd2)
-{
- while ((reg_CARD_CNT & CARD_START) != 0) {}
-
- reg_CARD_MASTERCNT = CARDMST_SEL_ROM | CARDMST_ENABLE | CARDMST_IF_ENABLE;
- {
- vu8 *const p_cmd = &reg_CARD_CMD;
- p_cmd[0] = (u8)(cmd1 >> (8 * 3));
- p_cmd[1] = (u8)(cmd1 >> (8 * 2));
- p_cmd[2] = (u8)(cmd1 >> (8 * 1));
- p_cmd[3] = (u8)(cmd1 >> (8 * 0));
- p_cmd[4] = (u8)(cmd2 >> (8 * 3));
- p_cmd[5] = (u8)(cmd2 >> (8 * 2));
- p_cmd[6] = (u8)(cmd2 >> (8 * 1));
- p_cmd[7] = (u8)(cmd2 >> (8 * 0));
- }
-}
-
-static inline void CARDi_SetRomOpReadPage1(u32 src)
-{
- CARDi_SetRomOp((u32)(MROMOP_G_READ_PAGE | (src >> 8)), (u32)(src << 24));
-}
-
-ARM_FUNC static void CARDi_SetCardDma(void)
-{
- CARDiCommon *const c = &cardi_common;
- CARDRomStat *const p = &rom_stat;
- MIi_CardDmaCopy32(c->dma, (const void *)&reg_CARD_DATA, (void *)c->dst, CARD_ROM_PAGE_SIZE);
- CARDi_SetRomOpReadPage1(c->src);
- reg_CARD_CNT = p->ctrl;
-}
-
-ARM_FUNC static void CARDi_OnReadCard(void)
-{
- CARDRomStat *const p = &rom_stat;
- CARDiCommon *const c = &cardi_common;
- MI_StopDma(c->dma);
- if (!CARDi_OnReadPageDirect(p))
- {
- (void)OS_DisableIrqMask(OS_IE_CARD_DATA);
- (void)OS_ResetRequestIrqMask(OS_IE_CARD_DATA);
- CARDi_ReadEnd();
- }
- else
- {
- CARDi_SetCardDma();
- }
-}
-
-ARM_FUNC BOOL CARDi_TryReadCardDma(CARDRomStat *p)
-{
- CARDiCommon *const c = &cardi_common;
- const u32 dst = c->dst;
- u32 len = c->len;
- const BOOL is_async = !(dst & 31) &&
- (c->dma <= MI_DMA_MAX_NUM) &&
- !CARDi_IsInTcm(dst, len) &&
- !CARD_ALIGN_LO_BIT(c->src | len) &&
- (len > 0);
- p->ctrl = CARDi_GetRomFlag(CARD_COMMAND_PAGE);
- if (is_async)
- {
- OSIntrMode bak_psr = OS_DisableInterrupts();
- IC_InvalidateRange((void *)dst, len);
- {
- u32 pos = dst;
- u32 mod = (dst & (HW_CACHE_LINE_SIZE - 1));
- if (mod)
- {
- pos -= mod;
- DC_StoreRange((void *)(pos), HW_CACHE_LINE_SIZE);
- DC_StoreRange((void *)(pos + len), HW_CACHE_LINE_SIZE);
- len += HW_CACHE_LINE_SIZE;
- }
- DC_InvalidateRange((void *)pos, len);
- DC_WaitWriteBufferEmpty();
- }
- (void)OS_SetIrqFunction(OS_IE_CARD_DATA, CARDi_OnReadCard);
- (void)OS_ResetRequestIrqMask(OS_IE_CARD_DATA);
- (void)OS_EnableIrqMask(OS_IE_CARD_DATA);
- (void)OS_RestoreInterrupts(bak_psr);
- CARDi_SetCardDma();
- }
- return is_async;
-}
-
-ARM_FUNC void CARDi_ReadCard(CARDRomStat *p)
-{
- CARDiCommon *const c = &cardi_common;
- while (TRUE)
- {
- const u32 len = CARD_ROM_PAGE_SIZE;
- u32 src = CARD_ALIGN_HI_BIT(c->src);
- u32 dst;
- if ((src != c->src) || ((c->dst & 3) != 0) || (c->len < len))
- {
- dst = (u32)p->cache_buf;
- p->cache_page = (void *)src;
- }
- else
- {
- dst = c->dst;
- }
-
- CARDi_SetRomOpReadPage1(src);
- {
- u32 pos = 0;
- reg_CARD_CNT = p->ctrl;
- while (TRUE)
- {
- const u32 ctrl = reg_CARD_CNT;
- if ((ctrl & CARD_DATA_READY) != 0)
- {
- u32 data = reg_CARD_DATA;
- if (pos < len)
- {
- ((u32 *)dst)[pos++] = data;
- }
- }
- if (!(ctrl & CARD_START))
- {
- break;
- }
- }
- }
- if (dst == c->dst)
- {
- if (!CARDi_OnReadPageDirect(p))
- {
- break;
- }
- }
- else
- {
- if (!CARDi_ReadFromCache(p))
- {
- break;
- }
- }
- }
-}
-
-ARM_FUNC u32 CARDi_ReadRomIDCore(void)
-{
- CARDi_SetRomOp(MROMOP_G_READ_ID, 0);
- reg_CARD_CNT = (u32)(CARDi_GetRomFlag(CARD_COMMAND_ID) & ~CARD_LATENCY1_MASK);
- while (!(reg_CARD_CNT & CARD_DATA_READY)) {}
- return reg_CARD_DATA;
-}
-
-ARM_FUNC static void CARDi_ReadRomSyncCore(CARDiCommon *c)
-{
-#pragma unused(c)
- CARDRomStat *const p = &rom_stat;
-
- if (CARDi_ReadFromCache(p))
- {
- (*p->read_func) (p);
- }
- CARDi_ReadEnd();
-}
-
-ARM_FUNC void CARDi_ReadRom(u32 dma, const void *src, void *dst, u32 len, MIDmaCallback callback, void *arg, BOOL is_async)
-{
- CARDRomStat *const p = &rom_stat;
- CARDiCommon *const c = &cardi_common;
-
- CARD_CheckEnabled();
-
- CARDi_WaitTask(c, callback, arg);
-
- c->dma = dma;
- c->src = (u32)((u32)src + cardi_rom_base);
- c->dst = (u32)dst;
- c->len = (u32)len;
- if (dma <= MI_DMA_MAX_NUM)
- {
- MI_StopDma(dma);
- }
-
- if (CARDi_TryReadCardDma(p))
- {
- if (!is_async)
- {
- CARD_WaitRomAsync();
- }
- }
- else if (is_async)
- {
- CARDi_SetTask(CARDi_ReadRomSyncCore);
- }
- else
- {
- c->cur_th = OS_GetCurrentThread();
- CARDi_ReadRomSyncCore(c);
- }
-}
-
-ARM_FUNC void CARD_Init(void)
-{
- CARDiCommon *const p = &cardi_common;
-
- if (!p->flag)
- {
- p->flag = CARD_STAT_INIT;
- p->src = p->dst = p->len = 0;
- p->dma = (u32)~0;
- p->callback = NULL;
- p->callback_arg = NULL;
-
- cardi_rom_base = 0;
-
- CARDi_InitCommon();
-
- rom_stat.read_func = CARDi_GetRomAccessor();
-
- CARD_InitPulledOutCallback();
- }
-}
-
-ARM_FUNC void CARD_WaitRomAsync(void)
-{
- (void)CARDi_WaitAsync();
-}
-
-ARM_FUNC void (*CARDi_GetRomAccessor(void)) (CARDRomStat *)
-{
- return CARDi_ReadCard;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-18 02:09:42 +0000