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-rw-r--r--Documentation/arm64/elf_hwcaps.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/arm64/elf_hwcaps.txt b/Documentation/arm64/elf_hwcaps.txt
index ea819ae024dd..13d6691b37be 100644
--- a/Documentation/arm64/elf_hwcaps.txt
+++ b/Documentation/arm64/elf_hwcaps.txt
@@ -182,3 +182,15 @@ HWCAP_FLAGM
HWCAP_SSBS
Functionality implied by ID_AA64PFR1_EL1.SSBS == 0b0010.
+
+HWCAP_PACA
+
+ Functionality implied by ID_AA64ISAR1_EL1.APA == 0b0001 or
+ ID_AA64ISAR1_EL1.API == 0b0001, as described by
+ Documentation/arm64/pointer-authentication.txt.
+
+HWCAP_PACG
+
+ Functionality implied by ID_AA64ISAR1_EL1.GPA == 0b0001 or
+ ID_AA64ISAR1_EL1.GPI == 0b0001, as described by
+ Documentation/arm64/pointer-authentication.txt.