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authorMark Brown <broonie@kernel.org>2023-09-15 13:18:06 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2023-09-29 15:56:17 +0100
commit5d5b4e8c2d9ec12a5cc013b82c1873cd387e0ddf (patch)
treef7705ca29fb1e96d692e1e69e2fbe56ab2dcfd42 /arch/arm64/tools
parent6465e260f48790807eef06b583b38ca9789b6072 (diff)
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arm64/sve: Report FEAT_SVE_B16B16 to userspace
SVE 2.1 introduced a new feature FEAT_SVE_B16B16 which adds instructions supporting the BFloat16 floating point format. Report this to userspace through the ID registers and hwcap. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20230915-arm64-zfr-b16b16-el0-v1-1-f9aba807bdb5@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/tools')
-rw-r--r--arch/arm64/tools/sysreg6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 76ce150e7347..bb69ab34202b 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1026,7 +1026,11 @@ UnsignedEnum 35:32 SHA3
0b0000 NI
0b0001 IMP
EndEnum
-Res0 31:24
+Res0 31:28
+UnsignedEnum 27:24 B16B16
+ 0b0000 NI
+ 0b0001 IMP
+EndEnum
UnsignedEnum 23:20 BF16
0b0000 NI
0b0001 IMP