diff options
Diffstat (limited to 'zephyr/shim/src/log_backend_console_buffer.c')
-rw-r--r-- | zephyr/shim/src/log_backend_console_buffer.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/zephyr/shim/src/log_backend_console_buffer.c b/zephyr/shim/src/log_backend_console_buffer.c new file mode 100644 index 0000000000..cafb690b87 --- /dev/null +++ b/zephyr/shim/src/log_backend_console_buffer.c @@ -0,0 +1,56 @@ +/* Copyright 2022 The ChromiumOS Authors. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include <zephyr/logging/log_backend.h> +#include <zephyr/logging/log_output.h> +#include <zephyr/logging/log_backend_std.h> + +#include "console.h" + +static uint8_t + char_out_buf[CONFIG_PLATFORM_EC_LOG_BACKEND_CONSOLE_BUFFER_TMP_BUF_SIZE]; + +static int char_out(uint8_t *data, size_t length, void *ctx) +{ + /* + * console_buf_notify_chars uses a mutex, which may not be + * locked in ISRs. + */ + if (k_is_in_isr()) + return 0; + return console_buf_notify_chars(data, length); +} +LOG_OUTPUT_DEFINE(log_output_console_buffer, char_out, char_out_buf, + sizeof(char_out_buf)); + +static void process(const struct log_backend *const backend, + union log_msg_generic *msg) +{ + uint32_t flags = log_backend_std_get_flags(); + log_format_func_t log_output_func = + log_format_func_t_get(LOG_OUTPUT_TEXT); + log_output_func(&log_output_console_buffer, &msg->log, flags); +} + +static void panic(struct log_backend const *const backend) +{ + log_backend_std_panic(&log_output_console_buffer); +} + +static void dropped(const struct log_backend *const backend, uint32_t cnt) +{ + log_backend_std_dropped(&log_output_console_buffer, cnt); +} + +const struct log_backend_api log_backend_console_buffer_api = { + .process = process, + .panic = panic, + .dropped = IS_ENABLED(CONFIG_LOG_MODE_DEFERRED) ? dropped : NULL, + /* TODO(b/244170593): Support switching output formats */ + .format_set = NULL, +}; + +LOG_BACKEND_DEFINE(log_backend_console_buffer, log_backend_console_buffer_api, + true); |