90 lines
2.3 KiB
ArmAsm
90 lines
2.3 KiB
ArmAsm
/*
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* Copyright (c) 2018, Renesas Electronics Corporation. 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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.globl console_init
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.globl console_putc
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.globl console_uninit
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.globl console_core_init
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.globl console_core_putc
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.globl console_core_getc
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.globl console_flush
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.extern rcar_log_init
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.extern rcar_set_log_data
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/* -----------------------------------------------
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* int console_core_init(unsigned long base_addr,
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* unsigned int uart_clk, unsigned int baud_rate)
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* Function to initialize the log area. This
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* function will be accessed by console_init and
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* crash reporting.
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* Return 1 on SUCCESS, 0 on error
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* In: x0 - Not used
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* w1 - Not used
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* w2 - Not used
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* -----------------------------------------------
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*/
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func console_core_init
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b rcar_log_init
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endfunc console_core_init
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func console_init
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b console_core_init
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endfunc console_init
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/* --------------------------------------------------------
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* int console_core_putc(int c, unsigned long base_addr)
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* Function to output a character over the log area.
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* Return 1 on SUCCESS, 0 on error
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* In : w0 - Not used
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* x1 - Not used
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* --------------------------------------------------------
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*/
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func console_core_putc
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b rcar_set_log_data
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endfunc console_core_putc
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func console_putc
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b console_core_putc
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endfunc console_putc
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/* ---------------------------------------------
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* int console_core_getc(unsigned long base_addr)
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* Function to get a character from the console.
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* It returns the character grabbed on success
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* or -1 on error.
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* In : x0 - console base address
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* Clobber list : x0, x1
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* ---------------------------------------------
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*/
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func console_core_getc
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ret
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endfunc console_core_getc
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/* -----------------------------------------------
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* void console_uninit(void)
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* Function to finish the use of console driver.
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* -----------------------------------------------
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*/
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func console_uninit
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ret
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endfunc console_uninit
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/* ---------------------------------------------
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* int console_flush(void)
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* Function to force a write of all buffered
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* data that hasn't been output. It returns 0
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* upon successful completion, otherwise it
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* returns -1.
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* Clobber list : x0, x1
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* ---------------------------------------------
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*/
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func console_flush
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mov w0, #0
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ret
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endfunc console_flush
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