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332cb5d9 AC |
1 | /* This file is part of the program psim. |
2 | ||
3 | Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
19 | */ | |
20 | ||
21 | ||
22 | #ifndef N | |
23 | #error "N must be #defined" | |
24 | #endif | |
25 | ||
f90b720b AC |
26 | #include "sim-xcat.h" |
27 | ||
332cb5d9 AC |
28 | /* NOTE: See end of file for #undef */ |
29 | #define unsigned_N XCONCAT2(unsigned_,N) | |
30 | #define endian_t2h_N XCONCAT2(endian_t2h_,N) | |
31 | #define endian_h2t_N XCONCAT2(endian_h2t_,N) | |
32 | #define _SWAP_N XCONCAT2(_SWAP_,N) | |
33 | #define swap_N XCONCAT2(swap_,N) | |
34 | #define endian_h2be_N XCONCAT2(endian_h2be_,N) | |
35 | #define endian_be2h_N XCONCAT2(endian_be2h_,N) | |
36 | #define endian_h2le_N XCONCAT2(endian_h2le_,N) | |
37 | #define endian_le2h_N XCONCAT2(endian_le2h_,N) | |
38 | #define offset_N XCONCAT2(offset_,N) | |
39 | ||
40 | ||
41 | INLINE_SIM_ENDIAN\ | |
42 | (unsigned_N) | |
43 | endian_t2h_N(unsigned_N raw_in) | |
44 | { | |
45 | if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) { | |
46 | return raw_in; | |
47 | } | |
48 | else { | |
49 | _SWAP_N(return,raw_in); | |
50 | } | |
51 | } | |
52 | ||
53 | ||
54 | INLINE_SIM_ENDIAN\ | |
55 | (unsigned_N) | |
56 | endian_h2t_N(unsigned_N raw_in) | |
57 | { | |
58 | if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) { | |
59 | return raw_in; | |
60 | } | |
61 | else { | |
62 | _SWAP_N(return,raw_in); | |
63 | } | |
64 | } | |
65 | ||
66 | ||
67 | INLINE_SIM_ENDIAN\ | |
68 | (unsigned_N) | |
69 | swap_N(unsigned_N raw_in) | |
70 | { | |
71 | _SWAP_N(return,raw_in); | |
72 | } | |
73 | ||
74 | ||
75 | ||
76 | INLINE_SIM_ENDIAN\ | |
77 | (unsigned_N) | |
78 | endian_h2be_N(unsigned_N raw_in) | |
79 | { | |
80 | if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) { | |
81 | return raw_in; | |
82 | } | |
83 | else { | |
84 | _SWAP_N(return,raw_in); | |
85 | } | |
86 | } | |
87 | ||
88 | ||
89 | INLINE_SIM_ENDIAN\ | |
90 | (unsigned_N) | |
91 | endian_be2h_N(unsigned_N raw_in) | |
92 | { | |
93 | if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) { | |
94 | return raw_in; | |
95 | } | |
96 | else { | |
97 | _SWAP_N(return,raw_in); | |
98 | } | |
99 | } | |
100 | ||
101 | ||
102 | INLINE_SIM_ENDIAN\ | |
103 | (unsigned_N) | |
104 | endian_h2le_N(unsigned_N raw_in) | |
105 | { | |
106 | if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) { | |
107 | return raw_in; | |
108 | } | |
109 | else { | |
110 | _SWAP_N(return,raw_in); | |
111 | } | |
112 | } | |
113 | ||
114 | ||
115 | INLINE_SIM_ENDIAN\ | |
116 | (unsigned_N) | |
117 | endian_le2h_N(unsigned_N raw_in) | |
118 | { | |
119 | if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) { | |
120 | return raw_in; | |
121 | } | |
122 | else { | |
123 | _SWAP_N(return,raw_in); | |
124 | } | |
125 | } | |
126 | ||
127 | ||
128 | ||
129 | INLINE_SIM_ENDIAN\ | |
130 | (void*) | |
f90b720b AC |
131 | offset_N (unsigned_N *x, |
132 | unsigned sizeof_word, | |
133 | unsigned word) | |
332cb5d9 AC |
134 | { |
135 | char *in = (char*)x; | |
136 | char *out; | |
f90b720b AC |
137 | unsigned offset = sizeof_word * word; |
138 | ASSERT (offset + sizeof_word <= sizeof(unsigned_N)); | |
139 | ASSERT (word < (sizeof (unsigned_N) / sizeof_word)); | |
140 | ASSERT ((sizeof (unsigned_N) % sizeof_word) == 0); | |
141 | if (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) | |
142 | { | |
143 | out = in + sizeof (unsigned_N) - offset - sizeof_word; | |
144 | } | |
145 | else | |
146 | { | |
147 | out = in + offset; | |
148 | } | |
332cb5d9 AC |
149 | return out; |
150 | } | |
151 | ||
152 | ||
153 | /* NOTE: See start of file for #define */ | |
154 | #undef unsigned_N | |
155 | #undef endian_t2h_N | |
156 | #undef endian_h2t_N | |
157 | #undef _SWAP_N | |
158 | #undef swap_N | |
159 | #undef endian_h2be_N | |
160 | #undef endian_be2h_N | |
161 | #undef endian_h2le_N | |
162 | #undef endian_le2h_N | |
163 | #undef offset_N |