110 lines
2.2 KiB
C
110 lines
2.2 KiB
C
/*
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* Copyright (c) 2017 Oticon A/S
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <init.h>
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#include "bs_tracing.h"
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#include "posix_board_if.h"
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#define _STDOUT_BUF_SIZE 256
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static char stdout_buff[_STDOUT_BUF_SIZE];
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static int n_pend; /* Number of pending characters in buffer */
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int print_char(int c)
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{
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int printnow = 0;
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if ((c != '\n') && (c != '\r')) {
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stdout_buff[n_pend++] = c;
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stdout_buff[n_pend] = 0;
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} else {
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printnow = 1;
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}
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if (n_pend >= _STDOUT_BUF_SIZE - 1) {
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printnow = 1;
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}
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if (printnow) {
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bs_trace_print(BS_TRACE_RAW, NULL, 0, 2, BS_TRACE_AUTOTIME, 0,
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"%s\n", stdout_buff);
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n_pend = 0;
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stdout_buff[0] = 0;
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}
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return c;
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}
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/**
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* Flush to the terminal any possible pending printk
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*/
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void posix_flush_stdout(void)
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{
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if (n_pend) {
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stdout_buff[n_pend] = 0;
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bs_trace_print(BS_TRACE_RAW, NULL, 0, 2, BS_TRACE_AUTOTIME, 0,
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"%s", stdout_buff);
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n_pend = 0;
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stdout_buff[0] = 0;
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fflush(stdout);
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}
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}
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/*
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* @brief Initialize the driver that provides the printk output
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*
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* @return 0 if successful, otherwise failed.
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*/
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static int printk_init(struct device *arg)
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{
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ARG_UNUSED(arg);
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extern void __printk_hook_install(int (*fn)(int));
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__printk_hook_install(print_char);
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return 0;
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}
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SYS_INIT(printk_init, PRE_KERNEL_1, CONFIG_PRINTK_HOOK_INIT_PRIORITY);
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void posix_print_error_and_exit(const char *format, ...)
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{
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va_list variable_argsp;
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va_start(variable_argsp, format);
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bs_trace_vprint(BS_TRACE_WARNING, NULL, 0, 0, BS_TRACE_AUTOTIME, 0,
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format, variable_argsp);
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va_end(variable_argsp);
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posix_exit(1);
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}
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void posix_print_warning(const char *format, ...)
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{
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va_list variable_argsp;
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va_start(variable_argsp, format);
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bs_trace_vprint(BS_TRACE_WARNING, NULL, 0, 0, BS_TRACE_AUTOTIME, 0,
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format, variable_argsp);
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va_end(variable_argsp);
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}
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void posix_print_trace(const char *format, ...)
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{
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va_list variable_argsp;
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va_start(variable_argsp, format);
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bs_trace_vprint(BS_TRACE_RAW, NULL, 0, 2, BS_TRACE_AUTOTIME, 0,
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format, variable_argsp);
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va_end(variable_argsp);
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}
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int posix_trace_over_tty(int file_number)
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{
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return bs_trace_is_tty(file_number);
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}
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