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bootloader: support older kernels.

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if no microcode is found, we can also omit the optional fields.
should help with #15891

Change-Id: I2fcb63ccb0cdf77caf7d5e1770c254561b231a18
Reviewed-on: https://review.haiku-os.org/c/haiku/+/2506
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
This commit is contained in:
Jérôme Duval 2020-04-21 10:26:47 +02:00 committed by waddlesplash
parent 5d573f8375
commit ddcb56f2ac
1 changed files with 2 additions and 0 deletions
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src/system/boot/loader/main.cpp
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@ -136,6 +136,8 @@ main(stage2_args *args)
// set up kernel args version info
gKernelArgs.kernel_args_size = sizeof(kernel_args);
gKernelArgs.version = CURRENT_KERNEL_ARGS_VERSION;
if (gKernelArgs.ucode_data == NULL)
gKernelArgs.kernel_args_size = kernel_args_size_v1;
// clone the boot_volume KMessage into kernel accessible memory
// note, that we need to 8-byte align the buffer and thus allocate