forked from Mirror/GodMode9
35 lines
585 B
C
Executable File
35 lines
585 B
C
Executable File
#include "common.h"
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#include "arm.h"
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#include "pxi.h"
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#include "shmem.h"
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bool spiflash_get_status(void)
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{
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return PXI_DoCMD(PXICMD_NVRAM_ONLINE, NULL, 0);
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}
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bool spiflash_read(u32 offset, u32 size, u8 *buf)
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{
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u32 *const dataBuffer = ARM_GetSHMEM()->dataBuffer.w;
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u32 args[2];
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while(size > 0) {
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u32 blksz = min(size, SHMEM_BUFFER_SIZE);
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args[0] = offset;
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args[1] = blksz;
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PXI_DoCMD(PXICMD_NVRAM_READ, args, 2);
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ARM_InvDC_Range(dataBuffer, blksz);
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ARM_DSB();
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memcpy(buf, dataBuffer, blksz);
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buf += blksz;
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size -= blksz;
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offset += blksz;
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}
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return true;
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}
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