Skip to main content
Stack Overflow
  1. About
  3. For Teams
Filter by
Sorted by
Tagged with
-2 votes
0 answers
59 views

In Oracle Linux 8 (and earlier versions), I usually made some automated installations with kickstart scripting. In version 8, it was the easiest, because I would just mount DVD ISO and copy all files ...
0 votes
2 answers
174 views

I want to know if the computer I'm using has UEFI or Legacy BIOS. Is it somehow possible to detect this from Delphi code? I found ExGetFirmwareEnvironmentVariable which seem interesting, but I'm not ...
2 votes
2 answers
92 views

I'm new to gnu-efi development and I am trying to write a simple hello world program for qemu. I started with the example apps provided and they work just fine but when i try to build the same C code ...
1 vote
1 answer
73 views

Structure of EFI_BOOT_SERVICES.HandleProtocol(): typedef EFI_STATUS (EFIAPI *EFI_HANDLE_PROTOCOL) ( IN EFI_HANDLE Handle, IN EFI_GUID *Protocol, OUT VOID **Interface ); In UEFI ...
chav1s's user avatar
  • 41
0 votes
1 answer
101 views

I am trying to obtain an IP via DHCP in UEFI. In testing this, I'm using QEMU (version 8.0.0). I have a shell command that I've incorporated into my build of OVMF for testing this. Essentially, what I'...
2 votes
1 answer
103 views

I'm writing a UEFI application in Zig. I'm calling GetMemoryMap() twice: once to get the required buffer size, then again after allocating the buffer using AllocatePool(). Here's my code: fn ...
0 votes
1 answer
96 views

I have written a UEFI application and running it in a QEMU setup where I have Ubuntu as an operating system. I am reading the variable like this in the code: EFI_STATUS EFIAPI UefiMain( IN ...
1 vote
0 answers
76 views

How can I read a key stroke into variable in startup.nsh script inside EFI console/shell? I read the UEFI 2.2 documentation (https://uefi.org/sites/default/files/resources/UEFI_Shell_2_2.pdf) and it ...
Jiri's user avatar
  • 13
4 votes
0 answers
138 views

I'm trying to boot a minimal binary using qemu, but I get Command Error Status: Not Found. Qemu boots into its shell and when I go to fs0: I can see the file at \EFI\BOOT\BOOTX64.EFI, but I can't boot ...
3 votes
0 answers
168 views

I have a fairly large UEFI application (2.1MB UPX compressed) that has a number of functions that allocate reasonably large data structures on the stack (kilobytes). I'd like to add some debug code ...
1 vote
0 answers
298 views

The original EDK contains the following macro definition (e.g. in Edk/Foundation/Efi/Include/EfiImage.h line 57): #define EFI_IMAGE_EDOS_SIGNATURE 0x44454550 // PEED A similar ...
0 votes
0 answers
63 views

I'm currently exploring the https://github.com/linuxboot/uefisettings project on my Linux development PC, and I’m looking for some guidance. My goal is to eventually cross-compile this application ...
0 votes
2 answers
472 views

I know it's possible to read a UEFI variable with e.g. GetFirmwareEnvironmentVariable() given the name of the variable and the GUID of the namespace. But is it possible to get a list of namespaces and ...
2 votes
1 answer
106 views

I'm writing a small EFI application with gnu-efi, which boots depending on the Wake-Up Type into Ubuntu or Windows. The application works, but I want to configure the WakeUp Type - Boot Option mapping ...
1 vote
1 answer
129 views

(This question is related, but concerns x86 legacy BIOS instead of UEFI). We are developing an OS for x86_64 using UEFI. I'm finding that while the OS boots perfectly fine in the OVMF firmware in QEMU,...
TheHans255's user avatar
  • 2,345

15 30 50 per page
1
2 3 4 5
...
40

AltStyle によって変換されたページ (->オリジナル) /