diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/X64/ReadPmc.nasm')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/X64/ReadPmc.nasm | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/X64/ReadPmc.nasm b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/X64/ReadPmc.nasm new file mode 100644 index 00000000..07ec2748 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/X64/ReadPmc.nasm @@ -0,0 +1,34 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; SPDX-License-Identifier: BSD-2-Clause-Patent +; +; Module Name: +; +; ReadPmc.Asm +; +; Abstract: +; +; AsmReadPmc function +; +; Notes: +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; UINT64 +; EFIAPI +; AsmReadPmc ( +; IN UINT32 PmcIndex +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(AsmReadPmc) +ASM_PFX(AsmReadPmc): + rdpmc + shl rdx, 0x20 + or rax, rdx + ret + |