diff options
Diffstat (limited to 'tools/testing/selftests/powerpc/tm/tm-syscall-asm.S')
| -rw-r--r-- | tools/testing/selftests/powerpc/tm/tm-syscall-asm.S | 63 |
1 files changed, 63 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 000000000..aed632d29 --- /dev/null +++ b/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <basic_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 + + +.macro scv level + .long (0x44000001 | (\level) << 5) +.endm + +FUNC_START(getppid_scv_tm_active) + PUSH_BASIC_STACK(0) + tbegin. + beq 1f + li r0, __NR_getppid + scv 0 + tend. + POP_BASIC_STACK(0) + blr +1: + li r3, -1 + POP_BASIC_STACK(0) + blr + +FUNC_START(getppid_scv_tm_suspended) + PUSH_BASIC_STACK(0) + tbegin. + beq 1f + li r0, __NR_getppid + tsuspend. + scv 0 + tresume. + tend. + POP_BASIC_STACK(0) + blr +1: + li r3, -1 + POP_BASIC_STACK(0) + blr |