RISC-V: fix funct4 definition for c.jalr in parse_asm.h

A patch from »Zbb string optimizations and call support in alternatives« in state Mainline for linux-kernel

From: Heiko Stuebner <heiko.stuebner@...> Date: Wed, 30 Nov 2022 19:49:41 +0100

Commit-Message

The opcode definition for c.jalr is c.jalr c_rs1_n0 1..0=2 15..13=4 12=1 6..2=0 This means funct4 consisting of bit [15:12] is 1001b, so the value is 0x9. Signed-off-by: Heiko Stuebner <heiko.stuebner@...>

Patch-Comment

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

Statistics

  • 1 lines added
  • 1 lines removed

Changes

---------------------- arch/riscv/include/asm/parse_asm.h ----------------------
index f36368de839f..7fee806805c1 100644
@@ -125,7 +125,7 @@
#define FUNCT3_C_J 0xa000
#define FUNCT3_C_JAL 0x2000
#define FUNCT4_C_JR 0x8000
-#define FUNCT4_C_JALR 0xf000
+#define FUNCT4_C_JALR 0x9000
#define FUNCT12_SRET 0x10200000
 
 

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