1/*
 2 * MIPS-specific debug support for pre-boot environment
 3 *
 4 * NOTE: putc() is board specific, if your board have a 16550 compatible uart,
 5 * please select SYS_SUPPORTS_ZBOOT_UART16550 for your machine. othewise, you
 6 * need to implement your own putc().
 7 */
 8#include <linux/compiler.h>
 9#include <linux/init.h>
10#include <linux/types.h>
11
12void __weak putc(char c)
13{
14}
15
16void puts(const char *s)
17{
18	char c;
19	while ((c = *s++) != '\0') {
20		putc(c);
21		if (c == '\n')
22			putc('\r');
23	}
24}
25
26void puthex(unsigned long long val)
27{
28
29	unsigned char buf[10];
30	int i;
31	for (i = 7; i >= 0; i--) {
32		buf[i] = "0123456789ABCDEF"[val & 0x0F];
33		val >>= 4;
34	}
35	buf[8] = '\0';
36	puts(buf);
37}

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * MIPS-specific debug support for pre-boot environment
 4 *
 5 * NOTE: putc() is board specific, if your board have a 16550 compatible uart,
 6 * please select SYS_SUPPORTS_ZBOOT_UART16550 for your machine. othewise, you
 7 * need to implement your own putc().
 8 */
 9#include <linux/compiler.h>
 
10#include <linux/types.h>
11
12void __weak putc(char c)
13{
14}
15
16void puts(const char *s)
17{
18	char c;
19	while ((c = *s++) != '\0') {
20		putc(c);
21		if (c == '\n')
22			putc('\r');
23	}
24}
25
26void puthex(unsigned long long val)
27{
28
29	unsigned char buf[10];
30	int i;
31	for (i = 7; i >= 0; i--) {
32		buf[i] = "0123456789ABCDEF"[val & 0x0F];
33		val >>= 4;
34	}
35	buf[8] = '\0';
36	puts(buf);
37}