]> Git Repo - J-linux.git/blob - arch/mips/boot/compressed/dbg.c
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / arch / mips / boot / compressed / dbg.c
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. otherwise, you
7  * need to implement your own putc().
8  */
9 #include <linux/compiler.h>
10 #include <linux/types.h>
11
12 #include "decompress.h"
13
14 void __weak putc(char c)
15 {
16 }
17
18 void puts(const char *s)
19 {
20         char c;
21         while ((c = *s++) != '\0') {
22                 putc(c);
23                 if (c == '\n')
24                         putc('\r');
25         }
26 }
27
28 void puthex(unsigned long long val)
29 {
30
31         unsigned char buf[10];
32         int i;
33         for (i = 7; i >= 0; i--) {
34                 buf[i] = "0123456789ABCDEF"[val & 0x0F];
35                 val >>= 4;
36         }
37         buf[8] = '\0';
38         puts(buf);
39 }
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