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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Martin Decky |
2 | * Copyright (C) 2006 Martin Decky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __xen32_HYPERCALL_H__ |
29 | #ifndef __xen32_HYPERCALL_H__ |
30 | #define __xen32_HYPERCALL_H__ |
30 | #define __xen32_HYPERCALL_H__ |
31 | 31 | ||
32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
- | 33 | #include <macros.h> |
|
- | 34 | ||
- | 35 | ||
- | 36 | #define XEN_CONSOLE_IO 18 |
|
- | 37 | ||
- | 38 | ||
- | 39 | /* |
|
- | 40 | * Commands for XEN_CONSOLE_IO |
|
- | 41 | */ |
|
- | 42 | #define CONSOLE_IO_WRITE 0 |
|
- | 43 | #define CONSOLE_IO_READ 1 |
|
- | 44 | ||
33 | 45 | ||
34 | #define hypercall0(id) \ |
46 | #define hypercall0(id) \ |
35 | ({ \ |
47 | ({ \ |
36 | unative_t ret; \ |
48 | unative_t ret; \ |
37 | asm volatile ( \ |
49 | asm volatile ( \ |
38 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
50 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
39 | : "=a" (ret) \ |
51 | : "=a" (ret) \ |
40 | : \ |
52 | : \ |
41 | : "memory" \ |
53 | : "memory" \ |
42 | ); \ |
54 | ); \ |
43 | ret; \ |
55 | ret; \ |
44 | }) |
56 | }) |
45 | 57 | ||
46 | #define hypercall1(id, p1) \ |
58 | #define hypercall1(id, p1) \ |
47 | ({ \ |
59 | ({ \ |
48 | unative_t ret, __ign1; \ |
60 | unative_t ret, __ign1; \ |
49 | asm volatile ( \ |
61 | asm volatile ( \ |
50 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
62 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
51 | : "=a" (ret), \ |
63 | : "=a" (ret), \ |
52 | "=b" (__ign1) \ |
64 | "=b" (__ign1) \ |
53 | : "1" (p1) \ |
65 | : "1" (p1) \ |
54 | : "memory" \ |
66 | : "memory" \ |
55 | ); \ |
67 | ); \ |
56 | ret; \ |
68 | ret; \ |
57 | }) |
69 | }) |
58 | 70 | ||
59 | #define hypercall2(id, p1, p2) \ |
71 | #define hypercall2(id, p1, p2) \ |
60 | ({ \ |
72 | ({ \ |
61 | unative_t ret, __ign1, __ign2; \ |
73 | unative_t ret, __ign1, __ign2; \ |
62 | asm volatile ( \ |
74 | asm volatile ( \ |
63 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
75 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
64 | : "=a" (ret), \ |
76 | : "=a" (ret), \ |
65 | "=b" (__ign1), \ |
77 | "=b" (__ign1), \ |
66 | "=c" (__ign2) \ |
78 | "=c" (__ign2) \ |
67 | : "1" (p1), \ |
79 | : "1" (p1), \ |
68 | "2" (p2) \ |
80 | "2" (p2) \ |
69 | : "memory" \ |
81 | : "memory" \ |
70 | ); \ |
82 | ); \ |
71 | ret; \ |
83 | ret; \ |
72 | }) |
84 | }) |
73 | 85 | ||
74 | #define hypercall3(id, p1, p2, p3) \ |
86 | #define hypercall3(id, p1, p2, p3) \ |
75 | ({ \ |
87 | ({ \ |
76 | unative_t ret, __ign1, __ign2, __ign3; \ |
88 | unative_t ret, __ign1, __ign2, __ign3; \ |
77 | asm volatile ( \ |
89 | asm volatile ( \ |
78 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
90 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
79 | : "=a" (ret), \ |
91 | : "=a" (ret), \ |
80 | "=b" (__ign1), \ |
92 | "=b" (__ign1), \ |
81 | "=c" (__ign2), \ |
93 | "=c" (__ign2), \ |
82 | "=d" (__ign3) \ |
94 | "=d" (__ign3) \ |
83 | : "1" (p1), \ |
95 | : "1" (p1), \ |
84 | "2" (p2), \ |
96 | "2" (p2), \ |
85 | "3" (p3), \ |
97 | "3" (p3) \ |
86 | : "memory" \ |
98 | : "memory" \ |
87 | ); \ |
99 | ); \ |
88 | ret; \ |
100 | ret; \ |
89 | }) |
101 | }) |
90 | 102 | ||
91 | #define hypercall4(id, p1, p2, p3, p4) \ |
103 | #define hypercall4(id, p1, p2, p3, p4) \ |
92 | ({ \ |
104 | ({ \ |
93 | unative_t ret, __ign1, __ign2, __ign3, __ign4; \ |
105 | unative_t ret, __ign1, __ign2, __ign3, __ign4; \ |
94 | asm volatile ( \ |
106 | asm volatile ( \ |
95 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
107 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
96 | : "=a" (ret), \ |
108 | : "=a" (ret), \ |
97 | "=b" (__ign1), \ |
109 | "=b" (__ign1), \ |
98 | "=c" (__ign2), \ |
110 | "=c" (__ign2), \ |
99 | "=d" (__ign3), \ |
111 | "=d" (__ign3), \ |
100 | "=S" (__ign4) \ |
112 | "=S" (__ign4) \ |
101 | : "1" (p1), \ |
113 | : "1" (p1), \ |
102 | "2" (p2), \ |
114 | "2" (p2), \ |
103 | "3" (p3), \ |
115 | "3" (p3), \ |
104 | "4" (p4), \ |
116 | "4" (p4) \ |
105 | : "memory" \ |
117 | : "memory" \ |
106 | ); \ |
118 | ); \ |
107 | ret; \ |
119 | ret; \ |
108 | }) |
120 | }) |
109 | 121 | ||
110 | #define hypercall5(id, p1, p2, p3, p4, p5) \ |
122 | #define hypercall5(id, p1, p2, p3, p4, p5) \ |
111 | ({ \ |
123 | ({ \ |
112 | unative_t ret, __ign1, __ign2, __ign3, __ign4, __ing5; \ |
124 | unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5; \ |
113 | asm volatile ( \ |
125 | asm volatile ( \ |
114 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
126 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
115 | : "=a" (ret), \ |
127 | : "=a" (ret), \ |
116 | "=b" (__ign1), \ |
128 | "=b" (__ign1), \ |
117 | "=c" (__ign2), \ |
129 | "=c" (__ign2), \ |
118 | "=d" (__ign3), \ |
130 | "=d" (__ign3), \ |
119 | "=S" (__ign4), \ |
131 | "=S" (__ign4), \ |
120 | "=D" (__ign5) \ |
132 | "=D" (__ign5) \ |
121 | : "1" (p1), \ |
133 | : "1" (p1), \ |
122 | "2" (p2), \ |
134 | "2" (p2), \ |
123 | "3" (p3), \ |
135 | "3" (p3), \ |
124 | "4" (p4), \ |
136 | "4" (p4), \ |
125 | "5" (p5), \ |
137 | "5" (p5) \ |
126 | : "memory" \ |
138 | : "memory" \ |
127 | ); \ |
139 | ); \ |
128 | ret; \ |
140 | ret; \ |
129 | }) |
141 | }) |
130 | 142 | ||
131 | 143 | ||
132 | static inline int xen_console_io(int cmd, int count, char *str) |
144 | static inline int xen_console_io(const int cmd, const int count, const char *str) |
133 | { |
145 | { |
134 | return hypercall3(XEN_CONSOLE_IO, cmd, count, str); |
146 | return hypercall3(XEN_CONSOLE_IO, cmd, count, str); |
135 | } |
147 | } |
136 | 148 | ||
137 | #endif |
149 | #endif |
138 | 150 |