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- #define START_SECTION __attribute__ ((section (".text.start"), naked))
- // make sure code is PIE
- #ifndef __PIE__
- #error "Must compile with -fPIE"
- #endif
- int(*IFile_Open)(void *this, const short *path, int flags) = 0x0022FE08;
- int(*IFile_Write)(void *this, unsigned int *written, void *src, unsigned int len) = 0x00168764;
- int (*GX_SetTextureCopy)(void *input_buffer, void *output_buffer, unsigned int size, int in_x, int in_y, int out_x, int out_y, int flags) = 0x0011DD48;
- int (*GSPGPU_FlushDataCache)(void *addr, unsigned int len) = 0x00191504;
- int (*svcSleepThread)(unsigned long long nanoseconds) = 0x0023FFE8;
- int uvl_entry();
- int START_SECTION
- uvl_start ()
- {
- __asm__ volatile (".word 0xE1A00000");
- uvl_entry();
- __asm__ volatile ("bx lr");
- }
- int
- uvl_entry ()
- {
- unsigned int addr;
- void *this = 0x08F10000;
- int *written = 0x08F01000;
- int *buf = 0x18410000;
- unsigned int offset;
- int i;
- IFile_Open(this, L"dmc:/mem1.bin", 6);
- svcSleepThread(0x400000LL);
- //FCRAM dump
- for (addr = 0x14000000; addr < 0x1A800000; addr += 0x10000)
- {
- //dumps a 0x10000 bytes of ram to sd card
- GSPGPU_FlushDataCache(addr, 0x10000);
- GX_SetTextureCopy(addr, buf, 0x10000, 0, 0, 0, 0, 8);
- GSPGPU_FlushDataCache(buf, 0x10000);
- svcSleepThread(0x400000LL);
- IFile_Write(this, written, buf, 0x10000);
- //flashes mostly black screen on the bottom screen for a few frames, this is so i know the program is running and not frozen
- GSPGPU_FlushDataCache(0x18000000, 0x00038400);
- GX_SetTextureCopy(0x18000000, 0x1F48F000, 0x00038400, 0, 0, 0, 0, 8);
- svcSleepThread(0x400000LL);
- GSPGPU_FlushDataCache(0x18000000, 0x00038400);
- GX_SetTextureCopy(0x18000000, 0x1F4C7800, 0x00038400, 0, 0, 0, 0, 8);
- svcSleepThread(0x400000LL);
- }
- return 0;
- }
- int
- uvl_exit (int status)
- {
- return 0;
- }
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