1*54fd6939SJiyong Park/* 2*54fd6939SJiyong Park * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved. 3*54fd6939SJiyong Park * 4*54fd6939SJiyong Park * SPDX-License-Identifier: BSD-3-Clause 5*54fd6939SJiyong Park */ 6*54fd6939SJiyong Park#ifndef CONSOLE_MACROS_S 7*54fd6939SJiyong Park#define CONSOLE_MACROS_S 8*54fd6939SJiyong Park 9*54fd6939SJiyong Park#include <drivers/console.h> 10*54fd6939SJiyong Park 11*54fd6939SJiyong Park/* 12*54fd6939SJiyong Park * This macro encapsulates the common setup that has to be done at the end of 13*54fd6939SJiyong Park * a console driver's register function. It will register all of the driver's 14*54fd6939SJiyong Park * callbacks in the console_t structure and initialize the flags field (by 15*54fd6939SJiyong Park * default consoles are enabled for the "boot" and "crash" states, this can be 16*54fd6939SJiyong Park * changed after registration with the console_set_scope() function). It ends 17*54fd6939SJiyong Park * with a tail call that will include return to the caller. 18*54fd6939SJiyong Park * REQUIRES console_t pointer in x0 and a valid return address in x30. 19*54fd6939SJiyong Park */ 20*54fd6939SJiyong Park .macro finish_console_register _driver, putc=0, getc=0, flush=0 21*54fd6939SJiyong Park /* 22*54fd6939SJiyong Park * If any of the callback is not specified or set as 0, then the 23*54fd6939SJiyong Park * corresponding callback entry in console_t is set to 0. 24*54fd6939SJiyong Park */ 25*54fd6939SJiyong Park .ifne \putc 26*54fd6939SJiyong Park adrp x1, console_\_driver\()_putc 27*54fd6939SJiyong Park add x1, x1, :lo12:console_\_driver\()_putc 28*54fd6939SJiyong Park str x1, [x0, #CONSOLE_T_PUTC] 29*54fd6939SJiyong Park .else 30*54fd6939SJiyong Park str xzr, [x0, #CONSOLE_T_PUTC] 31*54fd6939SJiyong Park .endif 32*54fd6939SJiyong Park 33*54fd6939SJiyong Park .ifne \getc 34*54fd6939SJiyong Park adrp x1, console_\_driver\()_getc 35*54fd6939SJiyong Park add x1, x1, :lo12:console_\_driver\()_getc 36*54fd6939SJiyong Park str x1, [x0, #CONSOLE_T_GETC] 37*54fd6939SJiyong Park .else 38*54fd6939SJiyong Park str xzr, [x0, #CONSOLE_T_GETC] 39*54fd6939SJiyong Park .endif 40*54fd6939SJiyong Park 41*54fd6939SJiyong Park .ifne \flush 42*54fd6939SJiyong Park adrp x1, console_\_driver\()_flush 43*54fd6939SJiyong Park add x1, x1, :lo12:console_\_driver\()_flush 44*54fd6939SJiyong Park str x1, [x0, #CONSOLE_T_FLUSH] 45*54fd6939SJiyong Park .else 46*54fd6939SJiyong Park str xzr, [x0, #CONSOLE_T_FLUSH] 47*54fd6939SJiyong Park .endif 48*54fd6939SJiyong Park 49*54fd6939SJiyong Park mov x1, #(CONSOLE_FLAG_BOOT | CONSOLE_FLAG_CRASH) 50*54fd6939SJiyong Park str x1, [x0, #CONSOLE_T_FLAGS] 51*54fd6939SJiyong Park b console_register 52*54fd6939SJiyong Park .endm 53*54fd6939SJiyong Park 54*54fd6939SJiyong Park#endif /* CONSOLE_MACROS_S */ 55