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Deshab-OS/CODE/UTSM/kernel/log.c
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#include <utsm/log.h>
static void log_line(const char *level, const char *msg) {
serial_write(level);
serial_write(" ");
serial_write(msg);
serial_write("\n");
}
void log_info(const char *msg) {
log_line("[INFO]", msg);
}
void log_warn(const char *msg) {
log_line("[WARN]", msg);
}
void log_error(const char *msg) {
log_line("[ERR ]", msg);
}
void log_hex64(const char *prefix, u64 value) {
static const char hex[] = "0123456789abcdef";
char buf[19];
buf[0] = '0';
buf[1] = 'x';
for (int i = 0; i < 16; i++) {
buf[2 + i] = hex[(value >> ((15 - i) * 4)) & 0xf];
}
buf[18] = 0;
serial_write(prefix);
serial_write(buf);
serial_write("\n");
}