51 lines
1.0 KiB
ArmAsm
51 lines
1.0 KiB
ArmAsm
/*
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* Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch.h>
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#include <asm_macros.S>
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#include <console_macros.S>
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#include <assert_macros.S>
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#include "imx_uart.h"
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.globl console_imx_uart_register
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.globl console_imx_uart_putc
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.globl console_imx_uart_getc
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.globl console_imx_uart_flush
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func console_imx_uart_register
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push {r4, lr}
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mov r4, r3
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cmp r4, #0
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beq register_fail
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str r0, [r4, #CONSOLE_T_BASE]
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bl console_imx_uart_core_init
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cmp r0, #0
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bne register_fail
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mov r0, r4
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pop {r4, lr}
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finish_console_register imx_uart putc=1, getc=1, flush=1
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register_fail:
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pop {r4, pc}
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endfunc console_imx_uart_register
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func console_imx_uart_putc
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ldr r1, [r1, #CONSOLE_T_BASE]
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b console_imx_uart_core_putc
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endfunc console_imx_uart_putc
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func console_imx_uart_getc
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ldr r0, [r0, #CONSOLE_T_BASE]
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b console_imx_uart_core_getc
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endfunc console_imx_uart_getc
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func console_imx_uart_flush
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ldr r0, [r0, #CONSOLE_T_BASE]
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b console_imx_uart_core_flush
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endfunc console_imx_uart_flush
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