| /* |
| * 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 |
