diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/UefiCpuPkg/ResetVector/Vtf0/Port80Debug.asm')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/UefiCpuPkg/ResetVector/Vtf0/Port80Debug.asm | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/ResetVector/Vtf0/Port80Debug.asm b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/ResetVector/Vtf0/Port80Debug.asm new file mode 100644 index 00000000..06b1fafa --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/ResetVector/Vtf0/Port80Debug.asm @@ -0,0 +1,22 @@ +;------------------------------------------------------------------------------ +; @file +; Port 0x80 debug support macros +; +; Copyright (c) 2009, Intel Corporation. All rights reserved.<BR> +; SPDX-License-Identifier: BSD-2-Clause-Patent +; +;------------------------------------------------------------------------------ + +BITS 16 + +%macro debugInitialize 0 + ; + ; No initialization is required + ; +%endmacro + +%macro debugShowPostCode 1 + mov al, %1 + out 0x80, al +%endmacro + |