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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm')
-rw-r--r--roms/edk2/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm26
1 files changed, 26 insertions, 0 deletions
diff --git a/roms/edk2/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm b/roms/edk2/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm
new file mode 100644
index 000000000..a65e95db5
--- /dev/null
+++ b/roms/edk2/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm
@@ -0,0 +1,26 @@
+//------------------------------------------------------------------------------
+//
+// Copyright (c) 2016, Linaro Limited. All rights reserved.
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+//------------------------------------------------------------------------------
+
+
+
+ INCLUDE AsmMacroExport.inc
+
+
+//------------------------------------------------------------------------------
+
+ RVCT_ASM_EXPORT ArmHasMpExtensions
+ mrc p15,0,R0,c0,c0,5
+ // Get Multiprocessing extension (bit31)
+ lsr R0, R0, #31
+ bx LR
+
+ RVCT_ASM_EXPORT ArmReadIdMmfr0
+ mrc p15, 0, r0, c0, c1, 4 ; Read ID_MMFR0 Register
+ bx lr
+
+ END