WebSVN – HelenOS – Diff – /trunk/kernel/arch/xen32/include/hypercall.h


/*
 * Copyright (C) 2006 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef __xen32_HYPERCALL_H__
#define __xen32_HYPERCALL_H__
 
#include <arch/types.h>
#include <macros.h>
 
 
#define XEN_CONSOLE_IO  18
 
 
/*
 * Commands for XEN_CONSOLE_IO
 */
#define CONSOLE_IO_WRITE    0
#define CONSOLE_IO_READ     1
 
 
#define hypercall0(id)  \
    ({  \
        unative_t ret;  \
        asm volatile (  \
            "call hypercall_page + (" STRING(id) " * 32)\n" \
            : "=a" (ret)    \
            :   \
            : "memory"  \
        );  \
        ret;    \
    })
 
#define hypercall1(id, p1)  \
    ({  \
        unative_t ret, __ign1;  \
        asm volatile (  \
            "call hypercall_page + (" STRING(id) " * 32)\n" \
            : "=a" (ret), \
              "=b" (__ign1) \
            : "1" (p1)  \
            : "memory"  \
        );  \
        ret;    \
    })
 
#define hypercall2(id, p1, p2)  \
    ({  \
        unative_t ret, __ign1, __ign2;  \
        asm volatile (  \
            "call hypercall_page + (" STRING(id) " * 32)\n" \
            : "=a" (ret), \
              "=b" (__ign1),    \
              "=c" (__ign2) \
            : "1" (p1), \
              "2" (p2)  \
            : "memory"  \
        );  \
        ret;    \
    })
 
#define hypercall3(id, p1, p2, p3)  \
    ({  \
        unative_t ret, __ign1, __ign2, __ign3;  \
        asm volatile (  \
            "call hypercall_page + (" STRING(id) " * 32)\n" \
            : "=a" (ret), \
              "=b" (__ign1),    \
              "=c" (__ign2),    \
              "=d" (__ign3) \
            : "1" (p1), \
              "2" (p2), \
              "3" (p3)  \
            : "memory"  \
        );  \
        ret;    \
    })
 
#define hypercall4(id, p1, p2, p3, p4)  \
    ({  \
        unative_t ret, __ign1, __ign2, __ign3, __ign4;  \
        asm volatile (  \
            "call hypercall_page + (" STRING(id) " * 32)\n" \
            : "=a" (ret), \
              "=b" (__ign1),    \
              "=c" (__ign2),    \
              "=d" (__ign3),    \
              "=S" (__ign4) \
            : "1" (p1), \
              "2" (p2), \
              "3" (p3), \
              "4" (p4)  \
            : "memory"  \
        );  \
        ret;    \
    })
 
#define hypercall5(id, p1, p2, p3, p4, p5)  \
    ({  \
        unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5;  \
        asm volatile (  \
            "call hypercall_page + (" STRING(id) " * 32)\n" \
            : "=a" (ret), \
              "=b" (__ign1),    \
              "=c" (__ign2),    \
              "=d" (__ign3),    \
              "=S" (__ign4),    \
              "=D" (__ign5) \
            : "1" (p1), \
              "2" (p2), \
              "3" (p3), \
              "4" (p4), \
              "5" (p5)  \
            : "memory"  \
        );  \
        ret;    \
    })
 
 
static inline int xen_console_io(const int cmd, const int count, const char *str)
{
    return hypercall3(XEN_CONSOLE_IO, cmd, count, str);
}
 
#endif
 

Rev 1813	Rev 1816
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

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(root)/trunk/kernel/arch/xen32/include/hypercall.h – Rev 1813 → 1816