[PATCH v3 06/21] arm64/sme: Manually encode ZT0 load and store instructions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



In order to avoid unrealistic toolchain requirements we manually encode the
instructions for loading and storing ZT0.

Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 arch/arm64/include/asm/fpsimdmacros.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/include/asm/fpsimdmacros.h b/arch/arm64/include/asm/fpsimdmacros.h
index 5e0910cf4832..cd03819a3b68 100644
--- a/arch/arm64/include/asm/fpsimdmacros.h
+++ b/arch/arm64/include/asm/fpsimdmacros.h
@@ -220,6 +220,28 @@
 		| ((\offset) & 7)
 .endm
 
+/*
+ * LDR (ZT0)
+ *
+ *	LDR ZT0, nx
+ */
+.macro _ldr_zt nx
+	_check_general_reg \nx
+	.inst	0xe11f8000	\
+		 | (\nx << 5)
+.endm
+
+/*
+ * STR (ZT0)
+ *
+ *	STR ZT0, nx
+ */
+.macro _str_zt nx
+	_check_general_reg \nx
+	.inst	0xe13f8000		\
+		| (\nx << 5)
+.endm
+
 /*
  * Zero the entire ZA array
  *	ZERO ZA
-- 
2.30.2




[Index of Archives]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]

  Powered by Linux