/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/arch/unicore32/include/mach/ocd.h * * Code specific to PKUnity SoC and UniCore ISA * * Copyright (C) 2001-2010 GUAN Xue-tao */ #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