commit d7b63ac9f3bbc03a31220c988cac5e0aebd1d308
author Govindraj Raja <govindraj.raja@arm.com> Fri Jan 26 10:08:37 2024 -0600
committer Govindraj Raja <govindraj.raja@arm.com> Mon Feb 12 08:20:01 2024 -0600
tree 2c1e8245b019cda4fdf1bfcce4b7c6dba12536e0
parent 5dabdd827463f54fd5f667926bab9184cf82de5b

feat(mte): add mte2 feat

Add support for feat mte2. tfsr_el2 is available only with mte2,
however currently its context_save/restore is done with mte rather than
mte2, so introduce 'is_feat_mte2_supported' to check mte2.

Change-Id: I108d9989a8f5b4d1d2f3b9865a914056fa566cf2
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>

lib/el3_runtime/aarch64/context_mgmt.c

diff --git a/lib/el3_runtime/aarch64/context_mgmt.c b/lib/el3_runtime/aarch64/context_mgmt.c
index 00c6008..c3b7e78 100644
--- a/lib/el3_runtime/aarch64/context_mgmt.c
+++ b/lib/el3_runtime/aarch64/context_mgmt.c
@@ -1258,7 +1258,7 @@
 
 	el2_sysregs_context_save_common(el2_sysregs_ctx);
 
-	if (is_feat_mte_supported()) {
+	if (is_feat_mte2_supported()) {
 		write_ctx_reg(el2_sysregs_ctx, CTX_TFSR_EL2, read_tfsr_el2());
 	}
 
@@ -1337,7 +1337,7 @@
 
 	el2_sysregs_context_restore_common(el2_sysregs_ctx);
 
-	if (is_feat_mte_supported()) {
+	if (is_feat_mte2_supported()) {
 		write_tfsr_el2(read_ctx_reg(el2_sysregs_ctx, CTX_TFSR_EL2));
 	}