GOP: Difference between revisions
Jump to navigation
Jump to search
| [unchecked revision] | [unchecked revision] |
Content added Content deleted
mNo edit summary |
|||
| Line 4: | Line 4: | ||
It has basicly the same functions as VESA, you can query the modes, set the modes. You also have an efficient BitBlitter function, which you can't use from your OS unfortunately. GOP is an EFI Boot Time Service, meaning you can't access it after you call ExitBootServices(). |
It has basicly the same functions as VESA, you can query the modes, set the modes. You also have an efficient BitBlitter function, which you can't use from your OS unfortunately. GOP is an EFI Boot Time Service, meaning you can't access it after you call ExitBootServices(). |
||
NOTE: UEFI uses it's own ABI. You can either configure your build environment to use that globally, or you must use a wrapper function. These examples use the latter for compatibility reasons. Omit uefi_call_wrapper if you have configured your build system for the former. |
NOTE: UEFI uses it's own ABI. You can either configure your build environment to use that globally, or you must use a wrapper function. These examples use the latter for compatibility reasons. Omit uefi_call_wrapper if you have configured your build system for the former. See [[GNU-EFI]] for more information. |
||
=== Detecting GOP === |
=== Detecting GOP === |
||