Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1b93b3c3 WZ |
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 | */ | |
e52dd9fc | 9 | #include <linux/compiler.h> |
1b93b3c3 WZ |
10 | #include <linux/types.h> |
11 | ||
e52dd9fc | 12 | void __weak putc(char c) |
1b93b3c3 WZ |
13 | { |
14 | } | |
15 | ||
16 | void 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 | ||
26 | void 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 | } |