riscv: fix RVG_SYSTEM_CSR_MASK width mask

[PATCH] riscv: fix RVG_SYSTEM_CSR_MASK width mask

Aurelien Jarno posted 1 patch 1 week, 6 days ago

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arch/riscv/include/asm/insn.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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[PATCH] riscv: fix RVG_SYSTEM_CSR_MASK width mask

Posted by Aurelien Jarno 1 week, 6 days ago

RVG_SYSTEM_CSR_MASK should be 12 bits [31:20], shifted down by 20 bits.
Replace GENMASK(12, 0) by GENMASK(11, 0).

Fixes: cd054837243b ("riscv: Allocate user's vector context in the first-use trap")
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 arch/riscv/include/asm/insn.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/include/asm/insn.h b/arch/riscv/include/asm/insn.h
index c3005573e8c9..ad348d8b8857 100644
--- a/arch/riscv/include/asm/insn.h
+++ b/arch/riscv/include/asm/insn.h
@@ -142,7 +142,7 @@
 #define RVG_OPCODE_JAL		0x6f
 #define RVG_OPCODE_SYSTEM	0x73
 #define RVG_SYSTEM_CSR_OFF	20
-#define RVG_SYSTEM_CSR_MASK	GENMASK(12, 0)
+#define RVG_SYSTEM_CSR_MASK	GENMASK(11, 0)
 
 /* parts of opcode for RVF, RVD and RVQ */
 #define RVFDQ_FL_FS_WIDTH_OFF	12
-- 
2.53.0