LXR linux/arch/mips/boot/compressed/dbg.c

   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/types.h>
  10
  11void __weak putc(char c)
  12{
  13}
  14
  15void puts(const char *s)
  16{
  17        char c;
  18        while ((c = *s++) != '\0') {
  19                putc(c);
  20                if (c == '\n')
  21                        putc('\r');
  22        }
  23}
  24
  25void puthex(unsigned long long val)
  26{
  27
  28        unsigned char buf[10];
  29        int i;
  30        for (i = 7; i >= 0; i--) {
  31                buf[i] = "0123456789ABCDEF"[val & 0x0F];
  32                val >>= 4;
  33        }
  34        buf[8] = '\0';
  35        puts(buf);
  36}
  37