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kernel: init: move banner handling

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Move banner and boot delay handling out of init.c
The code for banner was all over the place in init.c making it
unreadable.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2020-08-27 09:08:40 -04:00
commit 4b59312a94
3 changed files with 54 additions and 34 deletions
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51
kernel/banner.c Normal file
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@ -0,0 +1,51 @@
/*
* Copyright (c) 2020 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <kernel.h>
#include <sys/util.h>
#include <init.h>
#include <device.h>
#include <version.h>
/* boot banner items */
#if defined(CONFIG_MULTITHREADING) && defined(CONFIG_BOOT_DELAY) && \
CONFIG_BOOT_DELAY > 0
#define BOOT_DELAY_BANNER " (delayed boot " STRINGIFY(CONFIG_BOOT_DELAY) "ms)"
#else
#define BOOT_DELAY_BANNER ""
#endif
#if defined(CONFIG_BOOT_DELAY) || CONFIG_BOOT_DELAY > 0
void boot_banner(void)
{
#if defined(CONFIG_BOOT_DELAY) && CONFIG_BOOT_DELAY > 0
static const unsigned int boot_delay = CONFIG_BOOT_DELAY;
#else
static const unsigned int boot_delay;
#endif
if (boot_delay > 0 && IS_ENABLED(CONFIG_MULTITHREADING)) {
printk("***** delaying boot " STRINGIFY(
CONFIG_BOOT_DELAY) "ms (per build configuration) *****\n");
k_busy_wait(CONFIG_BOOT_DELAY * USEC_PER_MSEC);
}
#if defined(CONFIG_BOOT_BANNER)
#ifdef BUILD_VERSION
printk("*** Booting Zephyr OS build %s %s ***\n",
STRINGIFY(BUILD_VERSION), BOOT_DELAY_BANNER);
#else
printk("*** Booting Zephyr OS version %s %s ***\n",
KERNEL_VERSION_STRING, BOOT_DELAY_BANNER);
#endif
#endif
}
#else
void boot_banner(void)
{
/* do nothing */
}
#endif