1 | /* |
---|
2 | * hal_remote.c - implementation of Generic Remote Access API x86 |
---|
3 | * |
---|
4 | * Copyright (c) 2017 Maxime Villard |
---|
5 | * |
---|
6 | * This file is part of ALMOS-MKH. |
---|
7 | * |
---|
8 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
---|
9 | * under the terms of the GNU General Public License as published by |
---|
10 | * the Free Software Foundation; version 2.0 of the License. |
---|
11 | * |
---|
12 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
---|
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
15 | * General Public License for more details. |
---|
16 | * |
---|
17 | * You should have received a copy of the GNU General Public License |
---|
18 | * along with ALMOS-MKH.; if not, write to the Free Software Foundation, |
---|
19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
---|
20 | */ |
---|
21 | |
---|
22 | #include <hal_types.h> |
---|
23 | #include <hal_internal.h> |
---|
24 | |
---|
25 | void hal_remote_sb(xptr_t xp, uint8_t data) |
---|
26 | { |
---|
27 | *(uint8_t *)xp = data; |
---|
28 | } |
---|
29 | |
---|
30 | void hal_remote_sw(xptr_t xp, uint32_t data) |
---|
31 | { |
---|
32 | *(uint32_t *)xp = data; |
---|
33 | } |
---|
34 | |
---|
35 | void hal_remote_swd(xptr_t xp, uint64_t data) |
---|
36 | { |
---|
37 | *(uint64_t *)xp = data; |
---|
38 | } |
---|
39 | |
---|
40 | void hal_remote_spt(xptr_t xp, void *pt) |
---|
41 | { |
---|
42 | hal_remote_swd(xp, (uint64_t)pt); |
---|
43 | } |
---|
44 | |
---|
45 | uint8_t hal_remote_lb(xptr_t xp) |
---|
46 | { |
---|
47 | return *(uint8_t *)xp; |
---|
48 | } |
---|
49 | |
---|
50 | uint32_t hal_remote_lw(xptr_t xp) |
---|
51 | { |
---|
52 | return *(uint32_t *)xp; |
---|
53 | } |
---|
54 | |
---|
55 | uint64_t hal_remote_lwd(xptr_t xp) |
---|
56 | { |
---|
57 | return *(uint64_t *)xp; |
---|
58 | } |
---|
59 | |
---|
60 | void *hal_remote_lpt(xptr_t xp) |
---|
61 | { |
---|
62 | return (void *)hal_remote_lwd(xp); |
---|
63 | } |
---|
64 | |
---|
65 | bool_t hal_remote_atomic_cas(xptr_t xp, uint32_t old, uint32_t new) |
---|
66 | { |
---|
67 | return (atomic_cas_32((volatile uint32_t *)xp, old, new) == old); |
---|
68 | } |
---|
69 | |
---|
70 | uint32_t hal_remote_atomic_add(xptr_t xp, uint32_t incr) |
---|
71 | { |
---|
72 | return atomic_add_32((volatile uint32_t *)xp, incr); |
---|
73 | } |
---|
74 | |
---|
75 | uint32_t hal_remote_atomic_and(xptr_t xp, uint32_t mask) |
---|
76 | { |
---|
77 | return atomic_and_32((volatile uint32_t *)xp, mask); |
---|
78 | } |
---|
79 | |
---|
80 | uint32_t hal_remote_atomic_or(xptr_t xp, uint32_t mask) |
---|
81 | { |
---|
82 | return atomic_or_32((volatile uint32_t *)xp, mask); |
---|
83 | } |
---|
84 | |
---|
85 | error_t hal_remote_atomic_try_add(xptr_t xp, uint32_t incr, uint32_t *old) |
---|
86 | { |
---|
87 | x86_panic((char *)__func__); |
---|
88 | return 0; |
---|
89 | } |
---|
90 | |
---|
91 | void hal_remote_memcpy(xptr_t dst, xptr_t src, uint32_t size) |
---|
92 | { |
---|
93 | memcpy((void *)dst, (void *)src, size); |
---|
94 | } |
---|
95 | |
---|