linux/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S
Sam bobroff 7fe924d9d7 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>
2015-04-11 20:49:20 +10:00

28 lines
284 B
ArmAsm

#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