WebSVN – HelenOS – Diff – /branches/dynload/kernel/arch/sparc64/include/drivers/sgcn.h


/*
 * Copyright (c) 2008 Pavel Rimsky
 * 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.
 */
 
/** @addtogroup sparc64
 * @{
 */
/** @file
 */
 
#ifndef KERN_sparc64_SGCN_H_
#define KERN_sparc64_SGCN_H_
 
#include <arch/types.h>
#include <console/chardev.h>
#include <proc/thread.h>
 
/* number of bytes in the TOC magic, including the NULL-terminator */
#define TOC_MAGIC_BYTES     8
 
/* number of bytes in the TOC key, including the NULL-terminator */
#define TOC_KEY_SIZE        8
 
/* maximum number of entries in the SRAM table of contents */
#define MAX_TOC_ENTRIES     32
 
/* number of bytes in the SGCN buffer magic, including the NULL-terminator */
#define SGCN_MAGIC_BYTES    4
 
/**
 * Entry in the SRAM table of contents. Describes one segment of the SRAM
 * which serves a particular purpose (e.g. OBP serial console, Solaris serial
 * console, Solaris mailbox,...).
 */
typedef struct {
    /** key (e.g. "OBPCONS", "SOLCONS", "SOLMBOX",...) */
    char key[TOC_KEY_SIZE];
   
    /** size of the segment in bytes */
    uint32_t size;
   
    /** offset of the segment within SRAM */
    uint32_t offset;
} __attribute ((packed)) toc_entry_t;
 
/**
 * SRAM table of contents. Describes all segments within the SRAM.
 */
typedef struct {
    /** hard-wired to "TOCSRAM" */
    char magic[TOC_MAGIC_BYTES];
   
    /** we don't need this */
    char unused[8];
   
    /** TOC entries */
    toc_entry_t keys[MAX_TOC_ENTRIES];
} __attribute__ ((packed)) iosram_toc_t;
 
/**
 * SGCN buffer header. It is placed at the very beginning of the SGCN
 * buffer.
 */
typedef struct {
    /** hard-wired to "CON" */
    char magic[SGCN_MAGIC_BYTES];
   
    /** we don't need this */
    char unused[8];
   
    /** offset within the SGCN buffer of the input buffer start */
    uint32_t in_begin;
   
    /** offset within the SGCN buffer of the input buffer end */
    uint32_t in_end;
   
    /** offset within the SGCN buffer of the input buffer read pointer */
    uint32_t in_rdptr;
   
    /** offset within the SGCN buffer of the input buffer write pointer */
    uint32_t in_wrptr;
 
    /** offset within the SGCN buffer of the output buffer start */
    uint32_t out_begin;
   
    /** offset within the SGCN buffer of the output buffer end */
    uint32_t out_end;
   
    /** offset within the SGCN buffer of the output buffer read pointer */
    uint32_t out_rdptr;
   
    /** offset within the SGCN buffer of the output buffer write pointer */
    uint32_t out_wrptr;
} __attribute__ ((packed)) sgcn_buffer_header_t;
 
typedef struct {
    thread_t *thread;
    indev_t *srlnin;
} sgcn_instance_t;
 
extern void sgcn_grab(void);
extern void sgcn_release(void);
extern sgcn_instance_t *sgcnin_init(void);
extern void sgcnin_wire(sgcn_instance_t *, indev_t *);
extern void sgcnout_init(void);
 
#endif
 
/** @}
 */
 

Rev 4346	Rev 4348
1	/*	1	/*
2	* Copyright (c) 2008 Pavel Rimsky	2	* Copyright (c) 2008 Pavel Rimsky
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	/** @addtogroup sparc64	29	/** @addtogroup sparc64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef KERN_sparc64_SGCN_H_	35	#ifndef KERN_sparc64_SGCN_H_
36	#define KERN_sparc64_SGCN_H_	36	#define KERN_sparc64_SGCN_H_
37		37
38	#include <arch/types.h>	38	#include <arch/types.h>
39	#include <console/chardev.h>	39	#include <console/chardev.h>
-		40	#include <proc/thread.h>
40		41
41	/* number of bytes in the TOC magic, including the terminating '\0' */	42	/* number of bytes in the TOC magic, including the NULL-terminator */
42	#define TOC_MAGIC_BYTES 8	43	#define TOC_MAGIC_BYTES 8
43		44
44	/* number of bytes in the TOC key, including the terminating '\0' */	45	/* number of bytes in the TOC key, including the NULL-terminator */
45	#define TOC_KEY_SIZE 8	46	#define TOC_KEY_SIZE 8
46		47
47	/* maximum number of entries in the SRAM table of contents */	48	/* maximum number of entries in the SRAM table of contents */
48	#define MAX_TOC_ENTRIES 32	49	#define MAX_TOC_ENTRIES 32
49		50
50	/* number of bytes in the SGCN buffer magic, including the terminating '\0' */	51	/* number of bytes in the SGCN buffer magic, including the NULL-terminator */
51	#define SGCN_MAGIC_BYTES 4	52	#define SGCN_MAGIC_BYTES 4
52		53
53	/**	54	/**
54	* Entry in the SRAM table of contents. Describes one segment of the SRAM	55	* Entry in the SRAM table of contents. Describes one segment of the SRAM
55	* which serves a particular purpose (e.g. OBP serial console, Solaris serial	56	* which serves a particular purpose (e.g. OBP serial console, Solaris serial
56	* console, Solaris mailbox,...).	57	* console, Solaris mailbox,...).
57	*/	58	*/
58	typedef struct {	59	typedef struct {
59	/** key (e.g. "OBPCONS", "SOLCONS", "SOLMBOX",...) */	60	/** key (e.g. "OBPCONS", "SOLCONS", "SOLMBOX",...) */
60	char key[TOC_KEY_SIZE];	61	char key[TOC_KEY_SIZE];
61		62
62	/** size of the segment in bytes */	63	/** size of the segment in bytes */
63	uint32_t size;	64	uint32_t size;
64		65
65	/** offset of the segment within SRAM */	66	/** offset of the segment within SRAM */
66	uint32_t offset;	67	uint32_t offset;
67	} __attribute ((packed)) toc_entry_t;	68	} __attribute ((packed)) toc_entry_t;
68		69
69	/**	70	/**
70	* SRAM table of contents. Describes all segments within the SRAM.	71	* SRAM table of contents. Describes all segments within the SRAM.
71	*/	72	*/
72	typedef struct {	73	typedef struct {
73	/** hard-wired to "TOCSRAM" */	74	/** hard-wired to "TOCSRAM" */
74	char magic[TOC_MAGIC_BYTES];	75	char magic[TOC_MAGIC_BYTES];
75		76
76	/** we don't need this */	77	/** we don't need this */
77	char unused[8];	78	char unused[8];
78		79
79	/** TOC entries */	80	/** TOC entries */
80	toc_entry_t keys[MAX_TOC_ENTRIES];	81	toc_entry_t keys[MAX_TOC_ENTRIES];
81	} __attribute__ ((packed)) iosram_toc_t;	82	} __attribute__ ((packed)) iosram_toc_t;
82		83
83	/**	84	/**
84	* SGCN buffer header. It is placed at the very beginning of the SGCN	85	* SGCN buffer header. It is placed at the very beginning of the SGCN
85	* buffer.	86	* buffer.
86	*/	87	*/
87	typedef struct {	88	typedef struct {
88	/** hard-wired to "CON" */	89	/** hard-wired to "CON" */
89	char magic[SGCN_MAGIC_BYTES];	90	char magic[SGCN_MAGIC_BYTES];
90		91
91	/** we don't need this */	92	/** we don't need this */
92	char unused[8];	93	char unused[8];
93		94
94	/** offset within the SGCN buffer of the input buffer start */	95	/** offset within the SGCN buffer of the input buffer start */
95	uint32_t in_begin;	96	uint32_t in_begin;
96		97
97	/** offset within the SGCN buffer of the input buffer end */	98	/** offset within the SGCN buffer of the input buffer end */
98	uint32_t in_end;	99	uint32_t in_end;
99		100
100	/** offset within the SGCN buffer of the input buffer read pointer */	101	/** offset within the SGCN buffer of the input buffer read pointer */
101	uint32_t in_rdptr;	102	uint32_t in_rdptr;
102		103
103	/** offset within the SGCN buffer of the input buffer write pointer */	104	/** offset within the SGCN buffer of the input buffer write pointer */
104	uint32_t in_wrptr;	105	uint32_t in_wrptr;
105		106
106	/** offset within the SGCN buffer of the output buffer start */	107	/** offset within the SGCN buffer of the output buffer start */
107	uint32_t out_begin;	108	uint32_t out_begin;
108		109
109	/** offset within the SGCN buffer of the output buffer end */	110	/** offset within the SGCN buffer of the output buffer end */
110	uint32_t out_end;	111	uint32_t out_end;
111		112
112	/** offset within the SGCN buffer of the output buffer read pointer */	113	/** offset within the SGCN buffer of the output buffer read pointer */
113	uint32_t out_rdptr;	114	uint32_t out_rdptr;
114		115
115	/** offset within the SGCN buffer of the output buffer write pointer */	116	/** offset within the SGCN buffer of the output buffer write pointer */
116	uint32_t out_wrptr;	117	uint32_t out_wrptr;
117	} __attribute__ ((packed)) sgcn_buffer_header_t;	118	} __attribute__ ((packed)) sgcn_buffer_header_t;
118		119
-		120	typedef struct {
-		121	thread_t *thread;
-		122	indev_t *srlnin;
-		123	} sgcn_instance_t;
-		124
119	void sgcn_grab(void);	125	extern void sgcn_grab(void);
120	void sgcn_release(void);	126	extern void sgcn_release(void);
121	indev_t *sgcnin_init(void);	127	extern sgcn_instance_t *sgcnin_init(void);
-		128	extern void sgcnin_wire(sgcn_instance_t , indev_t );
122	void sgcnout_init(void);	129	extern void sgcnout_init(void);
123		130
124	#endif	131	#endif
125		132
126	/** @}	133	/** @}
127	*/	134	*/
128		135

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(root)/branches/dynload/kernel/arch/sparc64/include/drivers/sgcn.h @ 4346 – Rev 4346 → 4348