ArmPkg/ArmLib: delete AArch64 version of ArmReadIdPfr1

The AArch64 version of ArmReadIdPfr1 is not used by any code in tree,
or in edk2-platforms. Delete it.

Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Signed-off-by: Leif Lindholm <leif@nuviainc.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@arm.com>

diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
index 199374ff59e3328bd87008ed1ccc0441aeed17b6..7f942c29ea66b798fd36e30669b86ee874e65844 100644 (file)
--- a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
+++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S
@@ -453,14 +453,6 @@ ASM_FUNC(ArmReadIdPfr0)
   ret\r
 \r
 \r
-// Q: id_aa64pfr1_el1 not defined yet. What does this function want to access?\r
-// A: used to setup arch timer. Check if we have security extensions, permissions to set stuff.\r
-//    See: ArmPkg/Library/ArmArchTimerLib/AArch64/ArmArchTimerLib.c\r
-//    Not defined yet, but stick in here for now, should read all zeros.\r
-ASM_FUNC(ArmReadIdPfr1)\r
-  mrs   x0, id_aa64pfr1_el1   // Read ID_PFR1 Register\r
-  ret\r
-\r
 // VOID ArmWriteHcr(UINTN Hcr)\r
 ASM_FUNC(ArmWriteHcr)\r
   msr   hcr_el2, x0        // Write the passed HCR value\r