KolibriOS/kolibrios64
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disable default watchdog timer

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tested on real laptop, works
This commit is contained in:
rgimad
2025-02-01 23:17:26 +03:00
parent 42d9f82971
commit 2ee47b9cff
1 changed files with 17 additions and 5 deletions
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22
kernel/boot/bootx64.asm
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@@ -99,22 +99,33 @@ efi_print_hex:
proc main _efi_handle, _efi_table
mov [efi_handle], rcx
mov [efi_table], rdx
mov rbx, rdx
mov rcx, [rdx+EFI_SYSTEM_TABLE.ConOut]
fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset], rcx, 1
; reset the console
mov rcx, [rbx + EFI_SYSTEM_TABLE.ConOut]
fstcall [rcx + EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset], rcx, 1
test eax, eax
jnz $ ; loop if fail to init text
mov rdx, [efi_table]
; disable the default watchdog timer, otherwise it will reboot the pc after 5 mins of this app work
mov rcx, [rbx + EFI_SYSTEM_TABLE.BootServices]
fstcall [rcx + EFI_BOOT_SERVICES.SetWatchdogTimer], rcx, 0, 0, 0, 0
test eax, eax
jz @f
mov rcx, msg_failed_disable_watchdog
call efi_puts
jmp $
@@:
mov rcx, msg_firmware_vendor
call efi_puts
mov rcx, [rdx + EFI_SYSTEM_TABLE.FirmwareVendor]
mov rcx, [rbx + EFI_SYSTEM_TABLE.FirmwareVendor]
call efi_puts
mov rcx, msg_newline
call efi_puts
mov rcx, msg_firmware_revision
call efi_puts
mov rcx, qword [rdx + EFI_SYSTEM_TABLE.FirmwareRevision]
mov ecx, [rbx + EFI_SYSTEM_TABLE.FirmwareRevision]
call efi_print_hex
mov rcx, msg_newline
call efi_puts
@@ -159,6 +170,7 @@ msg_2 du "Lorem ipsum ! !",13,10,0
msg_firmware_vendor du "UEFI vendor: ", 0
msg_firmware_revision du "UEFI revision: ", 0
msg_newline du 13,10,0
msg_failed_disable_watchdog du "Failed to disable watchdog timer!", 13,10,0
section '.reloc' fixups data discardable