[edk2-devel] [PATCH 7/9] ArmPkg/ArmLib: delete AArch64 version of ArmReadIdPfr1
Leif Lindholm
leif at nuviainc.com
Fri Dec 18 14:16:15 UTC 2020
The AArch64 version of ArmReadIdPfr1 is not used by any code in tree,
or in edk2-platforms. Delete it.
Cc: Ard Biesheuvel <ard.biesheuvel at arm.com>
Signed-off-by: Leif Lindholm <leif at nuviainc.com>
---
ArmPkg/Library/ArmLib/AArch64/AArch64Support.S | 8 --------
1 file changed, 8 deletions(-)
diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
index 199374ff59e3..7f942c29ea66 100644
--- a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
+++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
@@ -453,14 +453,6 @@ ASM_FUNC(ArmReadIdPfr0)
ret
-// Q: id_aa64pfr1_el1 not defined yet. What does this function want to access?
-// A: used to setup arch timer. Check if we have security extensions, permissions to set stuff.
-// See: ArmPkg/Library/ArmArchTimerLib/AArch64/ArmArchTimerLib.c
-// Not defined yet, but stick in here for now, should read all zeros.
-ASM_FUNC(ArmReadIdPfr1)
- mrs x0, id_aa64pfr1_el1 // Read ID_PFR1 Register
- ret
-
// VOID ArmWriteHcr(UINTN Hcr)
ASM_FUNC(ArmWriteHcr)
msr hcr_el2, x0 // Write the passed HCR value
--
2.20.1
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