Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /proc/self/root/usr/src/linux-headers-5.4.0-193/arch/arm/include/debug/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  Copyright (C) 2003-2005 SAN People
 *
 * Debugging macro include header
*/

#define AT91_DBGU_SR		(0x14)	/* Status Register */
#define AT91_DBGU_THR		(0x1c)	/* Transmitter Holding Register */
#define AT91_DBGU_TXRDY		(1 << 1)	/* Transmitter Ready */
#define AT91_DBGU_TXEMPTY	(1 << 9)	/* Transmitter Empty */

	.macro	addruart, rp, rv, tmp
	ldr	\rp, =CONFIG_DEBUG_UART_PHYS		@ System peripherals (phys address)
	ldr	\rv, =CONFIG_DEBUG_UART_VIRT		@ System peripherals (virt address)
	.endm

	.macro	senduart,rd,rx
	strb	\rd, [\rx, #(AT91_DBGU_THR)]		@ Write to Transmitter Holding Register
	.endm

	.macro	waituart,rd,rx
1001:	ldr	\rd, [\rx, #(AT91_DBGU_SR)]		@ Read Status Register
	tst	\rd, #AT91_DBGU_TXRDY			@ DBGU_TXRDY = 1 when ready to transmit
	beq	1001b
	.endm

	.macro	busyuart,rd,rx
1001:	ldr	\rd, [\rx, #(AT91_DBGU_SR)]		@ Read Status Register
	tst	\rd, #AT91_DBGU_TXEMPTY			@ DBGU_TXEMPTY = 1 when transmission complete
	beq	1001b
	.endm