[PATCH RFC v2 10/10] docs: added MTE4 features to docs

[Gabriel Brookman <brookmangabriel@gmail.com>]

The implemented MTE4 features are now present in
docs/system/arm/emulation.rst

Signed-off-by: Gabriel Brookman <brookmangabriel@gmail.com>
---
 docs/system/arm/emulation.rst | 4 ++++
 target/arm/tcg/cpu64.c        | 8 ++++----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index 31a5878a8f..62b66b2227 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -106,6 +106,10 @@ the following architecture extensions:
 - FEAT_MTE3 (MTE Asymmetric Fault Handling)
 - FEAT_MTE_ASYM_FAULT (Memory tagging asymmetric faults)
 - FEAT_MTE_ASYNC (Asynchronous reporting of Tag Check Fault)
+- FEAT_MTE_TAGGED_FAR (Full address reporting of Tag Check Fault)
+- FEAT_MTE_STORE_ONLY (Store-only tag checking)
+- FEAT_MTE_CANONICAL_TAGS (Canonical tag checking)
+- FEAT_MTE_NO_ADDRESS_TAGS (Address tagging disabled)
 - FEAT_NMI (Non-maskable Interrupt)
 - FEAT_NV (Nested Virtualization)
 - FEAT_NV2 (Enhanced nested virtualization support)
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index ca9557f4cf..7d003706a0 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1282,13 +1282,13 @@ void aarch64_max_tcg_initfn(Object *obj)
     t = FIELD_DP64(t, ID_AA64PFR1, NMI, 1);       /* FEAT_NMI */
     t = FIELD_DP64(t, ID_AA64PFR1, GCS, 1);       /* FEAT_GCS */
     t = FIELD_DP64(t, ID_AA64PFR1,
-            MTEX, 0);   /* FEAT_MTE_NO_ADDRESS_TAGS + FEAT_MTE_CANONICAL_TAGS */
+            MTEX, 1);   /* FEAT_MTE_NO_ADDRESS_TAGS + FEAT_MTE_CANONICAL_TAGS */
     SET_IDREG(isar, ID_AA64PFR1, t);
 
     t = GET_IDREG(isar, ID_AA64PFR2);
-    t = FIELD_DP64(t, ID_AA64PFR2, MTEFAR, 0);    /* FEAT_MTE_TAGGED_FAR */
-    t = FIELD_DP64(t, ID_AA64PFR2, MTESTOREONLY, 0);   /* FEAT_MTE_STORE_ONLY */
-    t = FIELD_DP64(t, ID_AA64PFR2, MTEPERM, 0);    /* FEAT_MTE_PERM */
+    t = FIELD_DP64(t, ID_AA64PFR2, MTEFAR, 1);    /* FEAT_MTE_TAGGED_FAR */
+    t = FIELD_DP64(t, ID_AA64PFR2, MTESTOREONLY, 1);   /* FEAT_MTE_STORE_ONLY */
+    t = FIELD_DP64(t, ID_AA64PFR2, MTEPERM, 1);    /* FEAT_MTE_PERM */
     SET_IDREG(isar, ID_AA64PFR2, t);
 
     t = GET_IDREG(isar, ID_AA64MMFR0);

-- 
2.51.2