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authorSam bobroff <sam.bobroff@au1.ibm.com>2015-04-10 14:16:49 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2015-04-11 20:49:20 +1000
commit7fe924d9d71c96598ed37719c53187b357d6edff (patch)
tree36246d88a718a42f0a0a58d6c92b17d55d616c38 /tools/testing/selftests/powerpc/tm/tm-syscall-asm.S
parentselftests/powerpc: Move get_auxv_entry() to harness.c (diff)
downloadlinux-dev-7fe924d9d71c96598ed37719c53187b357d6edff.tar.xz
linux-dev-7fe924d9d71c96598ed37719c53187b357d6edff.zip
selftests/powerpc: Add transactional syscall test
Check that a syscall made during an active transaction will fail with the correct failure code and that one made during a suspended transaction will succeed. Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'tools/testing/selftests/powerpc/tm/tm-syscall-asm.S')
-rw-r--r--tools/testing/selftests/powerpc/tm/tm-syscall-asm.S27
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S b/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S
new file mode 100644
index 000000000000..431f61ae2368
--- /dev/null
+++ b/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S
@@ -0,0 +1,27 @@
+#include <ppc-asm.h>
+#include <asm/unistd.h>
+
+ .text
+FUNC_START(getppid_tm_active)
+ tbegin.
+ beq 1f
+ li r0, __NR_getppid
+ sc
+ tend.
+ blr
+1:
+ li r3, -1
+ blr
+
+FUNC_START(getppid_tm_suspended)
+ tbegin.
+ beq 1f
+ li r0, __NR_getppid
+ tsuspend.
+ sc
+ tresume.
+ tend.
+ blr
+1:
+ li r3, -1
+ blr