From 311276f10c4f85827d3264a2682ae9219917060f Mon Sep 17 00:00:00 2001 From: Srinath Parvathaneni Date: Thu, 16 Nov 2023 12:18:28 +0000 Subject: aarch64: Add support to new features in RAS extension. This patch also adds support for: 1. FEAT_RASv2 feature and "ERXGSR_EL1" system register. RASv2 feature is enabled by passing +rasv2 to -march (eg: -march=armv8-a+rasv2). 2. FEAT_SCTLR2 and following system registers. SCTLR2_EL1, SCTLR2_EL12, SCTLR2_EL2 and SCTLR2_EL3. 3. FEAT_FGT2 and following system registers. HDFGRTR2_EL2, HDFGWTR2_EL2, HFGRTR2_EL2, HFGWTR2_EL2 4. FEAT_PFAR and following system registers. PFAR_EL1, PFAR_EL2 and PFAR_EL12. FEAT_RASv2, FEAT_SCTLR2, FEAT_FGT2 and FEAT_PFAR features are by default enabled from Armv9.4-A architecture. This patch also adds support for two read only system registers id_aa64mmfr3_el1 and id_aa64mmfr4_el1, which are available from Armv8-A Architecture. --- gas/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'gas/NEWS') diff --git a/gas/NEWS b/gas/NEWS index ddf48fc..9d0fb3b 100644 --- a/gas/NEWS +++ b/gas/NEWS @@ -1,5 +1,8 @@ -*- text -*- +* Add support for Reliability, Availability and Serviceability extension v2 + (RASv2) for AArch64. + * Add support for 128-bit Atomic Instructions (LSE128) for AArch64. * Add support for Guarded Control Stack (GCS) for AArch64. -- cgit v1.1