Commit | Line | Data |
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ce087150 DM |
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 | ||
11 | ENTRY(sun4v_rng_get_diag_ctl) | |
12 | mov HV_FAST_RNG_GET_DIAG_CTL, %o5 | |
13 | ta HV_FAST_TRAP | |
14 | retl | |
15 | nop | |
16 | ENDPROC(sun4v_rng_get_diag_ctl) | |
17 | ||
18 | ENTRY(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] | |
26 | ENDPROC(sun4v_rng_ctl_read_v1) | |
27 | ||
28 | ENTRY(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 | |
40 | ENDPROC(sun4v_rng_ctl_read_v2) | |
41 | ||
42 | ENTRY(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] | |
48 | ENDPROC(sun4v_rng_ctl_write_v1) | |
49 | ||
50 | ENTRY(sun4v_rng_ctl_write_v2) | |
51 | mov HV_FAST_RNG_CTL_WRITE, %o5 | |
52 | ta HV_FAST_TRAP | |
53 | retl | |
54 | nop | |
55 | ENDPROC(sun4v_rng_ctl_write_v2) | |
56 | ||
57 | ENTRY(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] | |
63 | ENDPROC(sun4v_rng_data_read_diag_v1) | |
64 | ||
65 | ENTRY(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] | |
71 | ENDPROC(sun4v_rng_data_read_diag_v2) | |
72 | ||
73 | ENTRY(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] | |
79 | ENDPROC(sun4v_rng_data_read) |