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boot/efi/arm: switch serial output to legacy after exiting EFI boot servieces

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Change-Id: If7ba007d24cc95ce0a43adc320932e3e1678c25b
Reviewed-on: https://review.haiku-os.org/c/haiku/+/5159
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
This commit is contained in:
David Karoly 2022-03-27 19:57:26 +02:00 committed by Adrien Destugues
parent a3ef09d41e
commit 7fdf6e8639
1 changed files with 6 additions and 3 deletions
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9
src/system/boot/platform/efi/arch/arm/arch_start.cpp
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@ -11,6 +11,7 @@
#include "efi_platform.h"
#include "mmu.h"
#include "serial.h"
#include "smp.h"
@ -195,11 +196,13 @@ arch_start_kernel(addr_t kernelEntry)
dprintf("Calling ExitBootServices. So long, EFI!\n");
while (true) {
if (kBootServices->ExitBootServices(kImage, mapKey) == EFI_SUCCESS) {
// The console was provided by boot services, disable it.
// If the console was provided by boot services, disable it.
stdout = NULL;
stderr = NULL;
// Can we adjust gKernelArgs.platform_args.serial_base_ports[0]
// to something fixed in qemu for debugging?
// Also switch to legacy serial output
// (may not work on all systems)
serial_switch_to_legacy();
dprintf("Switched to legacy serial output\n");
break;
}