blob: f6728a8fd1c3d2647695224825d40e52073945e6 [file] [log] [blame] [edit]
// SPDX-License-Identifier: GPL-2.0
/*
* MIPS-specific debug support for pre-boot environment
*
* NOTE: putc() is board specific, if your board have a 16550 compatible uart,
* please select SYS_SUPPORTS_ZBOOT_UART16550 for your machine. othewise, you
* need to implement your own putc().
*/
#include <linux/compiler.h>
#include <linux/types.h>
void __weak putc(char c)
{
}
void puts(const char *s)
{
char c;
while ((c = *s++) != '\0') {
putc(c);
if (c == '\n')
putc('\r');
}
}
void puthex(unsigned long long val)
{
unsigned char buf[10];
int i;
for (i = 7; i >= 0; i--) {
buf[i] = "0123456789ABCDEF"[val & 0x0F];
val >>= 4;
}
buf[8] = '\0';
puts(buf);
}