tm-syscall-asm.S

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#include <basic_asm.h>
 3#include <asm/unistd.h>
 4
 5	.text
 6FUNC_START(getppid_tm_active)
 7	tbegin.
 8	beq 1f
 9	li	r0, __NR_getppid
10	sc
11	tend.
12	blr
131:
14	li	r3, -1
15	blr
16
17FUNC_START(getppid_tm_suspended)
18	tbegin.
19	beq 1f
20	li	r0, __NR_getppid
21	tsuspend.
22	sc
23	tresume.
24	tend.
25	blr
261:
27	li	r3, -1
28	blr
29
30
31.macro scv level
32	.long (0x44000001 | (\level) << 5)
33.endm
34
35FUNC_START(getppid_scv_tm_active)
36	PUSH_BASIC_STACK(0)
37	tbegin.
38	beq 1f
39	li	r0, __NR_getppid
40	scv	0
41	tend.
42	POP_BASIC_STACK(0)
43	blr
441:
45	li	r3, -1
46	POP_BASIC_STACK(0)
47	blr
48
49FUNC_START(getppid_scv_tm_suspended)
50	PUSH_BASIC_STACK(0)
51	tbegin.
52	beq 1f
53	li	r0, __NR_getppid
54	tsuspend.
55	scv	0
56	tresume.
57	tend.
58	POP_BASIC_STACK(0)
59	blr
601:
61	li	r3, -1
62	POP_BASIC_STACK(0)
63	blr