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22 lines
584 B
C
22 lines
584 B
C
#include <stdint.h>
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#include <string.h>
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#include <config.h>
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#include <flashrom.h>
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void config_load(void) {
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extern char configmem[];
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/* cast it here for strict-aliasing */
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uint16_t* tmp = (uint16_t*) configmem;
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if (*tmp == CONFIG_KEY) {
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memcpy(&sysconfig, (configmem + sizeof(CONFIG_KEY)), sizeof(sysconfig));
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}
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else {
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config_save();
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}
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}
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uint8_t config_save(void) {
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configmem_t mem = { CONFIG_KEY, sysconfig };
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return (flashrom_erase((uint8_t*) &configmem) && flashrom_write((uint8_t*) &configmem, (char*) &mem, sizeof(mem)));
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}
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