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authorJordan Niethe <jniethe5@gmail.com>2020-05-06 13:40:28 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2020-05-19 00:10:37 +1000
commit8094892d1aff14269d3b7bfcd8b941217eecd81f (patch)
treefe2937db7a5e26b5bc496ca3f6d94794e644f23d /arch/powerpc/kernel/vecemu.c
parent777e26f0edf8dab58b8dd474d35d83bde0ac6d76 (diff)
powerpc: Use a function for getting the instruction op code
In preparation for using a data type for instructions that can not be directly used with the '>>' operator use a function for getting the op code of an instruction. Signed-off-by: Jordan Niethe <jniethe5@gmail.com> Reviewed-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200506034050.24806-9-jniethe5@gmail.com
Diffstat (limited to 'arch/powerpc/kernel/vecemu.c')
-rw-r--r--arch/powerpc/kernel/vecemu.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/vecemu.c b/arch/powerpc/kernel/vecemu.c
index 1f5e3b4c8ae4..a544590b90e5 100644
--- a/arch/powerpc/kernel/vecemu.c
+++ b/arch/powerpc/kernel/vecemu.c
@@ -10,6 +10,7 @@
#include <asm/processor.h>
#include <asm/switch_to.h>
#include <linux/uaccess.h>
+#include <asm/inst.h>
/* Functions in vector.S */
extern void vaddfp(vector128 *dst, vector128 *a, vector128 *b);
@@ -268,7 +269,7 @@ int emulate_altivec(struct pt_regs *regs)
return -EFAULT;
word = ppc_inst_val(instr);
- if ((word >> 26) != 4)
+ if (ppc_inst_primary_opcode(instr) != 4)
return -EINVAL; /* not an altivec instruction */
vd = (word >> 21) & 0x1f;
va = (word >> 16) & 0x1f;