1/* n2-asm.S: Niagara2 RNG hypervisor call assembler.
2 *
3 * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
4 */
5#include <linux/linkage.h>
6#include <asm/hypervisor.h>
7#include "n2rng.h"
8
9	.text
10
11ENTRY(sun4v_rng_get_diag_ctl)
12	mov	HV_FAST_RNG_GET_DIAG_CTL, %o5
13	ta	HV_FAST_TRAP
14	retl
15	 nop
16ENDPROC(sun4v_rng_get_diag_ctl)
17
18ENTRY(sun4v_rng_ctl_read_v1)
19	mov	%o1, %o3
20	mov	%o2, %o4
21	mov	HV_FAST_RNG_CTL_READ, %o5
22	ta	HV_FAST_TRAP
23	stx	%o1, [%o3]
24	retl
25	 stx	%o2, [%o4]
26ENDPROC(sun4v_rng_ctl_read_v1)
27
28ENTRY(sun4v_rng_ctl_read_v2)
29	save	%sp, -192, %sp
30	mov	%i0, %o0
31	mov	%i1, %o1
32	mov	HV_FAST_RNG_CTL_READ, %o5
33	ta	HV_FAST_TRAP
34	stx	%o1, [%i2]
35	stx	%o2, [%i3]
36	stx	%o3, [%i4]
37	stx	%o4, [%i5]
38	ret
39	restore	%g0, %o0, %o0
40ENDPROC(sun4v_rng_ctl_read_v2)
41
42ENTRY(sun4v_rng_ctl_write_v1)
43	mov	%o3, %o4
44	mov	HV_FAST_RNG_CTL_WRITE, %o5
45	ta	HV_FAST_TRAP
46	retl
47	 stx	%o1, [%o4]
48ENDPROC(sun4v_rng_ctl_write_v1)
49
50ENTRY(sun4v_rng_ctl_write_v2)
51	mov	HV_FAST_RNG_CTL_WRITE, %o5
52	ta	HV_FAST_TRAP
53	retl
54	 nop
55ENDPROC(sun4v_rng_ctl_write_v2)
56
57ENTRY(sun4v_rng_data_read_diag_v1)
58	mov	%o2, %o4
59	mov	HV_FAST_RNG_DATA_READ_DIAG, %o5
60	ta	HV_FAST_TRAP
61	retl
62	 stx	%o1, [%o4]
63ENDPROC(sun4v_rng_data_read_diag_v1)
64
65ENTRY(sun4v_rng_data_read_diag_v2)
66	mov	%o3, %o4
67	mov	HV_FAST_RNG_DATA_READ_DIAG, %o5
68	ta	HV_FAST_TRAP
69	retl
70	 stx	%o1, [%o4]
71ENDPROC(sun4v_rng_data_read_diag_v2)
72
73ENTRY(sun4v_rng_data_read)
74	mov	%o1, %o4
75	mov	HV_FAST_RNG_DATA_READ, %o5
76	ta	HV_FAST_TRAP
77	retl
78	 stx	%o1, [%o4]
79ENDPROC(sun4v_rng_data_read)
80