56 lines
960 B
C
56 lines
960 B
C
#include <string.h>
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#include "bionic.h"
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#include "serial.h"
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#include "printf.h"
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#include "memio.h"
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int cmd_load(int argc, char **argv)
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{
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uint32_t offset;
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uint32_t total;
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uint32_t left;
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if (argc != 2) {
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printf("Usage: load [offset] [size]\n"
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"Loads [size] bytes to address [offset]\n");
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return 1;
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}
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offset = strtoul(argv[0], NULL, 0);
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total = strtoul(argv[1], NULL, 0);
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left = total;
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while (left--)
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writeb(serial_getc(), offset++);
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return 0;
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}
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int cmd_loadjump(int argc, char **argv)
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{
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uint32_t offset;
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uint32_t total;
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uint32_t left;
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void (*jumpaddr)(void);
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if (argc != 2) {
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printf("Usage: loadjmp [offset] [size]\n"
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"Loads [size] bytes to address [offset], and "
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"jumps to [offset] afterwards.\n");
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return 1;
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}
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offset = strtoul(argv[0], NULL, 0);
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total = strtoul(argv[1], NULL, 0);
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jumpaddr = (void (*)(void))offset;
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left = total;
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while (left--)
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writeb(serial_getc(), offset++);
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jumpaddr();
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return 0;
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}
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