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31 lines
856 B
C
31 lines
856 B
C
#include "ramdrive.h"
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#include "unittype.h"
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static u8* ramdrv_buffer = NULL;
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static u32 ramdrv_size = 0;
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int ReadRamDriveSectors(u8* buffer, u32 sector, u32 count) {
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u64 offset = sector * 0x200;
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u64 btr = count * 0x200;
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if (!ramdrv_buffer) return -1;
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if ((offset + btr) > ramdrv_size) return -1;
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memcpy(buffer, ramdrv_buffer + offset, btr);
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return 0;
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}
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int WriteRamDriveSectors(const u8* buffer, u32 sector, u32 count) {
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u64 offset = sector * 0x200;
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u64 btw = count * 0x200;
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if (!ramdrv_buffer) return -1;
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if ((offset + btw) > ramdrv_size) return -1;
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memcpy(ramdrv_buffer + offset, buffer, btw);
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return 0;
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}
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u64 GetRamDriveSize(void) {
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return ramdrv_size;
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}
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void InitRamDrive(void) {
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ramdrv_buffer = RAMDRV_BUFFER;
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ramdrv_size = (IS_O3DS || IS_SIGHAX) ? RAMDRV_SIZE_O3DS : RAMDRV_SIZE_N3DS;
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} |