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-rw-r--r--src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/Ia32/ReadEflags.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/Ia32/ReadEflags.c b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/Ia32/ReadEflags.c
new file mode 100644
index 00000000..12c57d2d
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/Ia32/ReadEflags.c
@@ -0,0 +1,33 @@
+/** @file
+ AsmReadEflags function
+
+ Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+
+
+/**
+ Reads the current value of the EFLAGS register.
+
+ Reads and returns the current value of the EFLAGS register. This function is
+ only available on IA-32 and x64. This returns a 32-bit value on IA-32 and a
+ 64-bit value on x64.
+
+ @return EFLAGS on IA-32 or RFLAGS on x64.
+
+**/
+UINTN
+EFIAPI
+AsmReadEflags (
+ VOID
+ )
+{
+ __asm {
+ pushfd
+ pop eax
+ }
+}
+