cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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dbg.c (684B)


      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}