fbaf7dfdc1
The `BUILD_VERSION` can be defined but empty when built without git, causing version to be missing from the banner: ``` *** Booting Zephyr OS build *** Hello World! qemu_riscv64 ``` Let's check if it is empty before using it, so that `KERNEL_VERSION_STRING`, which is generated independently with cmake can be used as a fallback: ``` *** Booting Zephyr OS build 3.5.0 *** Hello World! qemu_riscv64 ``` Signed-off-by: Yong Cong Sin <ycsin@meta.com>
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
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* Copyright (c) 2020 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/init.h>
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#include <zephyr/device.h>
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#include <version.h>
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#if defined(CONFIG_BOOT_DELAY) && (CONFIG_BOOT_DELAY > 0)
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#define DELAY_STR STRINGIFY(CONFIG_BOOT_DELAY)
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#define BANNER_POSTFIX " (delayed boot " DELAY_STR "ms)"
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#else
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#define BANNER_POSTFIX ""
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#endif /* defined(CONFIG_BOOT_DELAY) && (CONFIG_BOOT_DELAY > 0) */
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#ifndef BANNER_VERSION
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#if defined(BUILD_VERSION) && !IS_EMPTY(BUILD_VERSION)
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#define BANNER_VERSION STRINGIFY(BUILD_VERSION)
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#else
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#define BANNER_VERSION KERNEL_VERSION_STRING
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#endif /* BUILD_VERSION */
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#endif /* !BANNER_VERSION */
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void boot_banner(void)
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{
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#if defined(CONFIG_BOOT_DELAY) && (CONFIG_BOOT_DELAY > 0)
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printk("***** delaying boot " DELAY_STR "ms (per build configuration) *****\n");
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k_busy_wait(CONFIG_BOOT_DELAY * USEC_PER_MSEC);
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#endif /* defined(CONFIG_BOOT_DELAY) && (CONFIG_BOOT_DELAY > 0) */
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#ifdef CONFIG_BOOT_BANNER
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printk("*** " CONFIG_BOOT_BANNER_STRING " " BANNER_VERSION BANNER_POSTFIX " ***\n");
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#endif /* CONFIG_BOOT_BANNER */
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}
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