| /* | |
| * 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 |