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| author | Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org> | 2023-04-20 21:45:32 +0200 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-04-20 20:11:46 +0000 |
| commit | 9bf79303ae5cb4d0e14ed7a219107b53e2ecdcd0 (patch) | |
| tree | 90ca5c716debebfff547b8d014e34760d98b82d2 | |
| parent | 67b5dba791d3d93d80d00e979e3ab9b1b8f1f2fb (diff) | |
| download | edk2-9bf79303ae5cb4d0e14ed7a219107b53e2ecdcd0.tar.gz edk2-9bf79303ae5cb4d0e14ed7a219107b53e2ecdcd0.tar.bz2 edk2-9bf79303ae5cb4d0e14ed7a219107b53e2ecdcd0.zip | |
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 <marcin.juszkiewicz@linaro.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
| -rw-r--r-- | ArmPkg/Include/Chipset/AArch64.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ArmPkg/Include/Chipset/AArch64.h b/ArmPkg/Include/Chipset/AArch64.h index bfd2859f51..690433f68e 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
|