You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.4 KiB
51 lines
1.4 KiB
/*
|
|
* Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
#ifndef CONSOLE_MACROS_S
|
|
#define CONSOLE_MACROS_S
|
|
|
|
#include <drivers/console.h>
|
|
|
|
/*
|
|
* This macro encapsulates the common setup that has to be done at the end of
|
|
* a console driver's register function. It will register all of the driver's
|
|
* callbacks in the console_t structure and initialize the flags field (by
|
|
* default consoles are enabled for the "boot" and "crash" states, this can be
|
|
* changed after registration with the console_set_scope() function). It ends
|
|
* with a tail call that will include return to the caller.
|
|
* REQUIRES console_t pointer in r0 and a valid return address in lr.
|
|
*/
|
|
.macro finish_console_register _driver, putc=0, getc=0, flush=0
|
|
/*
|
|
* If any of the callback is not specified or set as 0, then the
|
|
* corresponding callback entry in console_t is set to 0.
|
|
*/
|
|
.ifne \putc
|
|
ldr r1, =console_\_driver\()_putc
|
|
.else
|
|
mov r1, #0
|
|
.endif
|
|
str r1, [r0, #CONSOLE_T_PUTC]
|
|
|
|
.ifne \getc
|
|
ldr r1, =console_\_driver\()_getc
|
|
.else
|
|
mov r1, #0
|
|
.endif
|
|
str r1, [r0, #CONSOLE_T_GETC]
|
|
|
|
.ifne \flush
|
|
ldr r1, =console_\_driver\()_flush
|
|
.else
|
|
mov r1, #0
|
|
.endif
|
|
str r1, [r0, #CONSOLE_T_FLUSH]
|
|
|
|
mov r1, #(CONSOLE_FLAG_BOOT | CONSOLE_FLAG_CRASH)
|
|
str r1, [r0, #CONSOLE_T_FLAGS]
|
|
b console_register
|
|
.endm
|
|
|
|
#endif /* CONSOLE_MACROS_S */
|
|
|