uncompress.h

来自「linux 内核源代码」· C头文件 代码 · 共 47 行

/*
 *  linux/include/asm-arm/arch-aaec2000/uncompress.h
 *
 *  Copyright (c) 2005 Nicolas Bellido Y Ortega
 *
 *  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 __ASM_ARCH_UNCOMPRESS_H
#define __ASM_ARCH_UNCOMPRESS_H

#include "hardware.h"

#define UART(x)         (*(volatile unsigned long *)(serial_port + (x)))

static void putc(int c)
{
	unsigned long serial_port;
        do {
		serial_port = _UART3_BASE;
		if (UART(UART_CR) & UART_CR_EN) break;
		serial_port = _UART1_BASE;
		if (UART(UART_CR) & UART_CR_EN) break;
		serial_port = _UART2_BASE;
		if (UART(UART_CR) & UART_CR_EN) break;
		return;
	} while (0);

	/* wait for space in the UART's transmitter */
	while ((UART(UART_SR) & UART_SR_TxFF))
		barrier();

	/* send the character out. */
	UART(UART_DR) = c;
}

static inline void flush(void)
{
}

#define arch_decomp_setup()
#define arch_decomp_wdog()

#endif /* __ASM_ARCH_UNCOMPRESS_H */