mirror of https://gitee.com/openkylin/linux.git
37 lines
720 B
C
37 lines
720 B
C
/*
|
|
* linux/arch/unicore32/include/mach/ocd.h
|
|
*
|
|
* Code specific to PKUnity SoC and UniCore ISA
|
|
*
|
|
* Copyright (C) 2001-2010 GUAN Xue-tao
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#ifndef __MACH_PUV3_OCD_H__
|
|
#define __MACH_PUV3_OCD_H__
|
|
|
|
#if defined(CONFIG_DEBUG_OCD)
|
|
static inline void ocd_putc(unsigned int c)
|
|
{
|
|
int status, i = 0x2000000;
|
|
|
|
do {
|
|
if (--i < 0)
|
|
return;
|
|
|
|
asm volatile ("movc %0, p1.c0, #0" : "=r" (status));
|
|
} while (status & 2);
|
|
|
|
asm("movc p1.c1, %0, #1" : : "r" (c));
|
|
}
|
|
|
|
#define putc(ch) ocd_putc(ch)
|
|
#else
|
|
#define putc(ch)
|
|
#endif
|
|
|
|
#endif
|