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authorLeif Lindholm <leif@nuviainc.com>2020-12-18 13:51:35 +0000
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2020-12-18 15:27:26 +0000
commitbb56ce816b360dfa87bc0a579434c3bf8d5ecb38 (patch)
treed58bd7e51025a9745dbf0d5452911ca1e26ec7ee
parent982b0a5778f907d9a8e26ff65cd14c48ed31be63 (diff)
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ArmPkg/ArmLib: rename AArch64 variant of ArmReadIdPfr0
ArmReadIdPfr0 is now used only inside ArmLib. Rename the AArch64 variant ArmReadIdAA64Pfr0 and add a declaration of that only into local header AArch64/AArch64Lib.h. Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Signed-off-by: Leif Lindholm <leif@nuviainc.com> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
-rw-r--r--ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c2
-rw-r--r--ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h6
-rw-r--r--ArmPkg/Library/ArmLib/AArch64/AArch64Support.S5
3 files changed, 10 insertions, 3 deletions
diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c
index 5b10eb33c9..53e593bc99 100644
--- a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c
+++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.c
@@ -85,5 +85,5 @@ ArmHasGicSystemRegisters (
VOID
)
{
- return ((ArmReadIdPfr0 () & AARCH64_PFR0_GIC) != 0);
+ return ((ArmReadIdAA64Pfr0 () & AARCH64_PFR0_GIC) != 0);
}
diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h
index b2c8a8ea0b..85bcecda73 100644
--- a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h
+++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h
@@ -2,6 +2,7 @@
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
Portions Copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
+ Copyright (c) 2020, NUVIA Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -35,5 +36,10 @@ ArmCleanInvalidateDataCacheEntryBySetWay (
IN UINTN SetWayFormat
);
+UINTN
+EFIAPI
+ArmReadIdAA64Pfr0 (
+ VOID
+ );
#endif // __AARCH64_LIB_H__
diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
index 7f942c29ea..129205d2ac 100644
--- a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
+++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
@@ -3,6 +3,7 @@
# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
# Copyright (c) 2011 - 2017, ARM Limited. All rights reserved.
# Copyright (c) 2016, Linaro Limited. All rights reserved.
+# Copyright (c) 2020, NUVIA Inc. All rights reserved.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -395,7 +396,7 @@ ASM_FUNC(ArmReadVBar)
ASM_FUNC(ArmEnableVFP)
// Check whether floating-point is implemented in the processor.
mov x1, x30 // Save LR
- bl ArmReadIdPfr0 // Read EL1 Processor Feature Register (PFR0)
+ bl ArmReadIdAA64Pfr0 // Read EL1 Processor Feature Register (PFR0)
mov x30, x1 // Restore LR
ubfx x0, x0, #16, #4 // Extract the FP bits 16:19
cmp x0, #0xF // Check if FP bits are '1111b',
@@ -448,7 +449,7 @@ ASM_FUNC(ArmIsArchTimerImplemented)
ret
-ASM_FUNC(ArmReadIdPfr0)
+ASM_FUNC(ArmReadIdAA64Pfr0)
mrs x0, id_aa64pfr0_el1 // Read ID_AA64PFR0 Register
ret