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authorJordan Niethe <jniethe5@gmail.com>2020-05-06 06:40:45 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2020-05-18 17:11:02 +0300
commit785b79d1e02873c2088ee1301154c66dace66ce5 (patch)
tree57cf025a24dc7099d8afe32922f1167c1ecb685b /arch/powerpc/lib/feature-fixups-test.S
parentf77f8ff7f13e6411c2e0ba25bb7e012a5ae6c927 (diff)
downloadlinux-785b79d1e02873c2088ee1301154c66dace66ce5.tar.xz
powerpc: Test prefixed instructions in feature fixups
Expand the feature-fixups self-tests to includes tests for prefixed instructions. Signed-off-by: Jordan Niethe <jniethe5@gmail.com> [mpe: Use CONFIG_PPC64 not __powerpc64__, add empty inlines] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200506034050.24806-26-jniethe5@gmail.com
Diffstat (limited to 'arch/powerpc/lib/feature-fixups-test.S')
-rw-r--r--arch/powerpc/lib/feature-fixups-test.S69
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/powerpc/lib/feature-fixups-test.S b/arch/powerpc/lib/feature-fixups-test.S
index b12168c2447a..480172fbd024 100644
--- a/arch/powerpc/lib/feature-fixups-test.S
+++ b/arch/powerpc/lib/feature-fixups-test.S
@@ -7,6 +7,7 @@
#include <asm/ppc_asm.h>
#include <asm/synch.h>
#include <asm/asm-compat.h>
+#include <asm/ppc-opcode.h>
.text
@@ -791,3 +792,71 @@ globl(lwsync_fixup_test_expected_SYNC)
1: or 1,1,1
sync
+globl(ftr_fixup_prefix1)
+ or 1,1,1
+ .long OP_PREFIX << 26
+ .long 0x0000000
+ or 2,2,2
+globl(end_ftr_fixup_prefix1)
+
+globl(ftr_fixup_prefix1_orig)
+ or 1,1,1
+ .long OP_PREFIX << 26
+ .long 0x0000000
+ or 2,2,2
+
+globl(ftr_fixup_prefix1_expected)
+ or 1,1,1
+ nop
+ nop
+ or 2,2,2
+
+globl(ftr_fixup_prefix2)
+ or 1,1,1
+ .long OP_PREFIX << 26
+ .long 0x0000000
+ or 2,2,2
+globl(end_ftr_fixup_prefix2)
+
+globl(ftr_fixup_prefix2_orig)
+ or 1,1,1
+ .long OP_PREFIX << 26
+ .long 0x0000000
+ or 2,2,2
+
+globl(ftr_fixup_prefix2_alt)
+ .long OP_PREFIX << 26
+ .long 0x0000001
+
+globl(ftr_fixup_prefix2_expected)
+ or 1,1,1
+ .long OP_PREFIX << 26
+ .long 0x0000001
+ or 2,2,2
+
+globl(ftr_fixup_prefix3)
+ or 1,1,1
+ .long OP_PREFIX << 26
+ .long 0x0000000
+ or 2,2,2
+ or 3,3,3
+globl(end_ftr_fixup_prefix3)
+
+globl(ftr_fixup_prefix3_orig)
+ or 1,1,1
+ .long OP_PREFIX << 26
+ .long 0x0000000
+ or 2,2,2
+ or 3,3,3
+
+globl(ftr_fixup_prefix3_alt)
+ .long OP_PREFIX << 26
+ .long 0x0000001
+ nop
+
+globl(ftr_fixup_prefix3_expected)
+ or 1,1,1
+ .long OP_PREFIX << 26
+ .long 0x0000001
+ nop
+ or 3,3,3