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Diffstat (limited to 'arm9/lib/src/OS_reset.c')
-rw-r--r--arm9/lib/src/OS_reset.c239
1 files changed, 0 insertions, 239 deletions
diff --git a/arm9/lib/src/OS_reset.c b/arm9/lib/src/OS_reset.c
deleted file mode 100644
index 083f2321..00000000
--- a/arm9/lib/src/OS_reset.c
+++ /dev/null
@@ -1,239 +0,0 @@
-#include "OS_reset.h"
-
-#include "global.h"
-#include "MB_mb.h"
-#include "OS_terminate_proc.h"
-#include "OS_interrupt.h"
-#include "OS_system.h"
-#include "OS_spinLock.h"
-#include "OS_cache.h"
-#include "sections.h"
-#include "MI_dma.h"
-#include "CARD_common.h"
-#include "PXI_init.h"
-#include "PXI_fifo.h"
-
-static u16 OSi_IsInitReset = 0;
-vu16 OSi_IsResetOccurred = 0;
-
-static void OSi_CommonCallback(PXIFifoTag tag, u32 data, BOOL err);
-static void OSi_SendToPxi(u16 data);
-static void OSi_DoResetSystem(void);
-static void OSi_CpuClear32(register u32 data, register void *destp, register u32 size);
-static void OSi_ReloadRomData(void);
-static void OSi_ReadCardRom32(u32 src, void *dst, s32 len);
-
-ARM_FUNC void OS_InitReset(void) {
- if (OSi_IsInitReset) {
- return;
- }
- OSi_IsInitReset = TRUE;
- PXI_Init();
- while (!PXI_IsCallbackReady(PXI_FIFO_TAG_OS, PXI_PROC_ARM7)) { }
-
- PXI_SetFifoRecvCallback(PXI_FIFO_TAG_OS, OSi_CommonCallback);
-}
-
-ARM_FUNC static void OSi_CommonCallback(PXIFifoTag tag, u32 data, BOOL err) {
-#pragma unused(tag, err) //needed because otherwise -W all errors
- u16 command = (u16)((data & OS_PXI_COMMAND_MASK) >> OS_PXI_COMMAND_SHIFT);
- if (command == OS_PXI_COMMAND_RESET)
- {
- OSi_IsResetOccurred = TRUE;
- return;
- }
- OS_Terminate();
-}
-
-ARM_FUNC static void OSi_SendToPxi(u16 data) {
- while (PXI_SendWordByFifo(PXI_FIFO_TAG_OS, (u32)data << 0x8, FALSE)) {}
-}
-
-ARM_FUNC void OS_ResetSystem(u32 parameter) {
- if (MB_IsMultiBootChild()) {
- OS_Terminate();
- }
- CARD_LockRom((u16)OS_GetLockID());
- MI_StopDma(0);
- MI_StopDma(1);
- MI_StopDma(2);
- MI_StopDma(3);
- (void)OS_SetIrqMask(0x40000);
- (void)OS_ResetRequestIrqMask((u32)~0);
- *(u32 *)HW_RESET_PARAMETER_BUF = parameter;
- OSi_SendToPxi(OS_PXI_COMMAND_RESET);
- OSi_DoResetSystem();
-}
-
-#pragma section ITCM begin
-ARM_FUNC static void OSi_DoResetSystem(void)
-{
- while (!OSi_IsResetOccurred) { }
-
- reg_OS_IME = 0;
- OSi_ReloadRomData();
- OSi_DoBoot();
-}
-
-ARM_FUNC asm void OSi_DoBoot(void)
-{
- mov ip, #0x04000000
- str ip, [ip, #0x208]
- ldr r1, =SDK_AUTOLOAD_DTCM_START
- add r1, r1, #0x3fc0
- add r1, r1, #0x3c
- mov r0, #0x0
- str r0, [r1]
- ldr r1, =REG_SUBPINTF_ADDR
-_01FF81D4:
- ldrh r0, [r1]
- and r0, r0, #0xf
- cmp r0, #0x1
- bne _01FF81D4
- mov r0, #0x100
- strh r0, [r1]
- mov r0, #0x0
- ldr r3, =HW_EXCP_VECTOR_MAIN
- ldr r4, [r3]
- ldr r1, =HW_BIOS_EXCP_STACK_MAIN
- mov r2, #0x80
- bl OSi_CpuClear32
- str r4, [r3]
- ldr r1, =HW_PXI_SIGNAL_PARAM_ARM9
- mov r2, #0x18
- bl OSi_CpuClear32
- ldr r1, =HW_WM_RSSI_POOL
- strh r0, [r1]
- ldr r1, =HW_COMPONENT_PARAM
- mov r2, #0x64
- bl OSi_CpuClear32
- ldr r1, =REG_SUBPINTF_ADDR
-_01FF822C:
- ldrh r0, [r1]
- and r0, r0, #0xf
- cmp r0, #0x1
- beq _01FF822C
- mov r0, #0x0
- strh r0, [r1]
- ldr r3, =HW_ROM_HEADER_BUF
- ldr ip, [r3, #0x24]
- mov lr, ip
- ldr r11, =HW_PXI_SIGNAL_PARAM_ARM9
- ldmia r11, {r0-r10}
- mov r11, #0x0
- bx ip
-}
-
-ARM_FUNC static asm void OSi_CpuClear32(register u32 data, register void *destp, register u32 size)
-{
- add ip, r1, r2
-_01FF8284:
- cmp r1, ip
- stmltia r1!, {r0}
- blt _01FF8284
- bx lr
-}
-
-ARM_FUNC static void OSi_ReloadRomData(void)
-{
- u32 header = (u32)HW_ROM_HEADER_BUF;
- const u32 rom_base = *(u32 *)HW_ROM_BASE_OFFSET_BUF;
-
- if (rom_base >= 0x8000)
- {
- OSi_ReadCardRom32(rom_base, (void *)header, 0x160);
- }
-
- u32 src_arm9 = *(u32 *)(header + 0x20);
- u32 dst_arm9 = *(u32 *)(header + 0x28);
- u32 len_arm9 = *(u32 *)(header + 0x2c);
- u32 src_arm7 = *(u32 *)(header + 0x30);
- u32 dst_arm7 = *(u32 *)(header + 0x38);
- u32 len_arm7 = *(u32 *)(header + 0x3c);
-
- OSIntrMode prevIntrMode = OS_DisableInterrupts();
- DC_StoreAll();
- DC_InvalidateAll();
- (void)OS_RestoreInterrupts(prevIntrMode);
-
- IC_InvalidateAll();
- DC_WaitWriteBufferEmpty();
-
- src_arm9 += rom_base;
- src_arm7 += rom_base;
-
- if (src_arm9 < 0x8000)
- {
- u32 diff = 0x8000 - src_arm9;
- src_arm9 = 0x8000;
- dst_arm9 += diff;
- len_arm9 -= diff;
- }
- OSi_ReadCardRom32(src_arm9, (void *)dst_arm9, (s32)len_arm9);
-
- OSi_ReadCardRom32(src_arm7, (void *)dst_arm7, (s32)len_arm7);
-}
-
-enum
-{
- CARD_MASTER_SELECT_ROM = 0x0,
- CARD_MASTER_ENABLE = 0x80,
- CARD_CMD_READ_PAGE = 0xb7,
- CARD_CTRL_CMD_MASK = 0x07000000,
- CARD_CTRL_CMD_PAGE = 0x01000000,
- CARD_CTRL_READ = 0x00000000,
- CARD_CTRL_RESET_HI = 0x20000000,
- CARD_CTRL_START = 0x80000000,
- CARD_CTRL_READY = 0x00800000,
- CARD_ENUM_END
-};
-
-ARM_FUNC static void OSi_ReadCardRom32(u32 src, void *dst, s32 len)
-{
- vu32 *const hdr_GAME_BUF = (vu32 *)(HW_ROM_HEADER_BUF + 0x60);
-
- const u32 ctrl_start = (u32)((*hdr_GAME_BUF &~CARD_CTRL_CMD_MASK)
- | (CARD_CTRL_CMD_PAGE | CARD_CTRL_READ
- | CARD_CTRL_START | CARD_CTRL_RESET_HI));
-
- s32 pos = -(s32)(src & 511);
-
- while (reg_CARD_CNT & CARD_CTRL_START) {}
- reg_CARD_MASTERCNT = (u32)(CARD_MASTER_SELECT_ROM | CARD_MASTER_ENABLE);
-
- for (src = (u32)(src + pos); pos < len; src += 512)
- {
- (&reg_CARD_CMD)[0] = (u8)(CARD_CMD_READ_PAGE);
- (&reg_CARD_CMD)[1] = (u8)(src >> 24);
- (&reg_CARD_CMD)[2] = (u8)(src >> 16);
- (&reg_CARD_CMD)[3] = (u8)(src >> 8);
- (&reg_CARD_CMD)[4] = (u8)(src >> 0);
- (&reg_CARD_CMD)[5] = 0;
- (&reg_CARD_CMD)[6] = 0;
- (&reg_CARD_CMD)[7] = 0;
-
- reg_CARD_CNT = ctrl_start;
- for (;;)
- {
- u32 ctrl = reg_CARD_CNT;
-
- if ((ctrl & CARD_CTRL_READY))
- {
- const u32 data = reg_CARD_DATA;
-
- if ((pos >= 0) && (pos < len))
- {
- *(u32 *)((u32)dst + pos) = data;
- }
-
- pos += sizeof(u32);
- }
-
- if (!(ctrl & CARD_CTRL_START))
- {
- break;
- }
- }
- }
-}
-#pragma section ITCM end
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