20 lines
547 B
C
20 lines
547 B
C
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#define SRC_ADDR \
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0x00000000 // Let's try to grab the very beginning of the EMMC/ROM
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#define DEST_ADDR 0x40008000 // Safe staging area in IRAM
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#define COPY_SIZE 0x2000 // 8KB chunk
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#define PMC_SCRATCH0 0x7000e450
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void _start() {
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unsigned int *src = (unsigned int *)SRC_ADDR;
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unsigned int *dest = (unsigned int *)DEST_ADDR;
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for (int i = 0; i < (COPY_SIZE / 4); i++) {
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dest[i] = src[i];
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}
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*(volatile unsigned int *)PMC_SCRATCH0 = 0x55AA55AA;
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while (1)
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;
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}
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