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