| /* ipm_console_send.c - Console messages to another processor */ |
| |
| /* |
| * Copyright (c) 2015 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <errno.h> |
| |
| #include <zephyr/kernel.h> |
| #include <zephyr/sys/printk.h> |
| #include <zephyr/drivers/ipm.h> |
| #include <zephyr/drivers/console/ipm_console.h> |
| |
| static const struct device *ipm_console_device; |
| |
| static int consoleOut(int character) |
| { |
| if (character == '\r') { |
| return character; |
| } |
| |
| /* |
| * We just stash the character into the id field and don't supply |
| * any extra data |
| */ |
| ipm_send(ipm_console_device, 1, character, NULL, 0); |
| |
| return character; |
| } |
| |
| extern void __printk_hook_install(int (*fn)(int)); |
| extern void __stdout_hook_install(int (*fn)(int)); |
| |
| int ipm_console_sender_init(const struct device *d) |
| { |
| const struct ipm_console_sender_config_info *config_info; |
| |
| config_info = d->config; |
| ipm_console_device = device_get_binding(config_info->bind_to); |
| |
| if (!ipm_console_device) { |
| printk("unable to bind IPM console sender to '%s'\n", |
| config_info->bind_to); |
| return -EINVAL; |
| } |
| |
| if (config_info->flags & IPM_CONSOLE_STDOUT) { |
| __stdout_hook_install(consoleOut); |
| } |
| if (config_info->flags & IPM_CONSOLE_PRINTK) { |
| __printk_hook_install(consoleOut); |
| } |
| |
| return 0; |
| } |