From 9bf79303ae5cb4d0e14ed7a219107b53e2ecdcd0 Mon Sep 17 00:00:00 2001 From: Marcin Juszkiewicz Date: Thu, 20 Apr 2023 21:45:32 +0200 Subject: ArmPkg: older assemblers may lack ID_AA64ISAR2_EL1 ArmCpuInfo needs to be able to read ID_AA64ISAR2_EL1 system register. Older toolchains do not know it. Same solution as one for QEMU: https://www.mail-archive.com/qemu-devel@nongnu.org/msg929586.html Signed-off-by: Marcin Juszkiewicz Reviewed-by: Leif Lindholm --- ArmPkg/Include/Chipset/AArch64.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'ArmPkg') diff --git a/ArmPkg/Include/Chipset/AArch64.h b/ArmPkg/Include/Chipset/AArch64.h index bfd2859..690433f 100644 --- a/ArmPkg/Include/Chipset/AArch64.h +++ b/ArmPkg/Include/Chipset/AArch64.h @@ -112,6 +112,10 @@ #define ARM_VECTOR_LOW_A32_FIQ 0x700 #define ARM_VECTOR_LOW_A32_SERR 0x780 +// The ID_AA64ISAR2_EL1 register is not recognized by older +// assemblers, we need to define it here. +#define ID_AA64ISAR2_EL1 S3_0_C0_C6_2 + // The ID_AA64MMFR2_EL1 register was added in ARMv8.2. Since we // build for ARMv8.0, we need to define the register here. #define ID_AA64MMFR2_EL1 S3_0_C0_C7_2 -- cgit v1.1