WebSVN – HelenOS – Diff – /branches/arm/kernel/arch/arm32/include/machine.h


/*
 * Copyright (c) 2007 Michal Kebrt
 * 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 arm32
 * @{
 */
/** @file
 *  @brief Declarations of machine specific functions.
 *
 *  These functions enable to differentiate more kinds of ARM emulators
 *  or CPUs. It's the same concept as "arch" functions on the architecture
 *  level.
 */
 
#ifndef KERN_arm32_MACHINE_H_
#define KERN_arm32_MACHINE_H_
 
#include <console/console.h>
#include <arch/types.h>
#include <arch/exception.h>
#include <arch/drivers/gxemul.h>
 
 
/** Initializes console.
 *
 * @param devno Console device number.
 */
extern void machine_console_init(devno_t devno);
 
 
/** Acquire console back for kernel. */
extern void machine_grab_console(void);
 
 
/** Return console to userspace. */
extern void machine_release_console(void);
 
 
/** Maps HW devices to the kernel address space using #hw_map. */
extern void machine_hw_map_init(void);
 
 
/** Starts timer. */
extern void machine_timer_irq_start(void);
 
 
/** Halts CPU. */
extern void machine_cpu_halt(void);
 
 
/** Returns size of available memory.
 *
 *  @return Size of available memory.
 */
extern size_t machine_get_memory_size(void);
 
 
/** Prints a character.
 *
 *  @param ch Character to be printed.
 */
extern void machine_debug_putc(char ch);
 
 
/** Interrupt exception handler.
 *
 * @param exc_no Interrupt exception number.
 * @param istate Saved processor state.
 */
extern void machine_irq_exception(int exc_no, istate_t *istate);
 
 
/** Returns address of framebuffer device.
 *
 *  @return Address of framebuffer device.
 */
extern uintptr_t machine_get_fb_address(void);
 
 
#ifdef MACHINE_GXEMUL_TESTARM   
#   define machine_console_init(devno)           gxemul_console_init(devno)
#   define machine_grab_console                  gxemul_grab_console
#   define machine_release_console               gxemul_release_console 
#   define machine_hw_map_init                   gxemul_hw_map_init
#   define machine_timer_irq_start               gxemul_timer_irq_start
#   define machine_cpu_halt                      gxemul_cpu_halt
#   define machine_get_memory_size               gxemul_get_memory_size
#   define machine_debug_putc(ch)                gxemul_debug_putc(ch)
#   define machine_irq_exception(exc_no, istate) gxemul_irq_exception(exc_no, istate)
#   define machine_get_fb_address                gxemul_get_fb_address
#endif
 
 
#endif
 
/** @}
 */
 

Subversion Repositories HelenOS

(root)/branches/arm/kernel/arch/arm32/include/machine.h – Rev 2358 → 2412

Rev 2358		Rev 2412
1	/*	1	/*
2	* Copyright (c) 2007 Michal Kebrt	2	* Copyright (c) 2007 Michal Kebrt
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 arm32	29	/** @addtogroup arm32
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	* @brief Declarations of machine specific functions.	33	* @brief Declarations of machine specific functions.
-		34	*
-		35	* These functions enable to differentiate more kinds of ARM emulators
-		36	* or CPUs. It's the same concept as "arch" functions on the architecture
-		37	* level.
34	*/	38	*/
35		39
36	#ifndef KERN_arm32_MACHINE_H_	40	#ifndef KERN_arm32_MACHINE_H_
37	#define KERN_arm32_MACHINE_H_	41	#define KERN_arm32_MACHINE_H_
38		42
39	#include <console/console.h>	43	#include <console/console.h>
40	#include <arch/types.h>	44	#include <arch/types.h>
41	#include <arch/exception.h>	45	#include <arch/exception.h>
42	#include <arch/drivers/gxemul.h>	46	#include <arch/drivers/gxemul.h>
43		47
44		48
45	/** Initializes console.	49	/** Initializes console.
46	*	50	*
47	* @param devno Console device number.	51	* @param devno Console device number.
48	*/	52	*/
49	extern void machine_console_init(devno_t devno);	53	extern void machine_console_init(devno_t devno);
50		54
-		55
51	/** Acquire console back for kernel. */	56	/** Acquire console back for kernel. */
52	extern void machine_grab_console(void);	57	extern void machine_grab_console(void);
53		58
-		59
54	/** Return console to userspace. */	60	/** Return console to userspace. */
55	extern void machine_release_console(void);	61	extern void machine_release_console(void);
56		62
-		63
57	/** Maps HW devices to the kernel address space using #hw_map. */	64	/** Maps HW devices to the kernel address space using #hw_map. */
58	extern void machine_hw_map_init(void);	65	extern void machine_hw_map_init(void);
59		66
-		67
60	/** Starts timer. */	68	/** Starts timer. */
61	extern void machine_timer_irq_start(void);	69	extern void machine_timer_irq_start(void);
62		70
-		71
63	/** Halts CPU. */	72	/** Halts CPU. */
64	extern void machine_cpu_halt(void);	73	extern void machine_cpu_halt(void);
65		74
66		75
67	/** Returns size of available memory.	76	/** Returns size of available memory.
68	*	77	*
69	* @return Size of available memory.	78	* @return Size of available memory.
70	*/	79	*/
71	extern size_t machine_get_memory_size(void);	80	extern size_t machine_get_memory_size(void);
72		81
73		82
74	/** Prints a character.	83	/** Prints a character.
75	*	84	*
76	* @param ch Character to be printed.	85	* @param ch Character to be printed.
77	*/	86	*/
78	extern void machine_debug_putc(char ch);	87	extern void machine_debug_putc(char ch);
79		88
80		89
81	/** Interrupt exception handler.	90	/** Interrupt exception handler.
82	*	91	*
83	* @param exc_no Interrupt exception number.	92	* @param exc_no Interrupt exception number.
84	* @param istate Saved processor state.	93	* @param istate Saved processor state.
85	*/	94	*/
86	extern void machine_irq_exception(int exc_no, istate_t *istate);	95	extern void machine_irq_exception(int exc_no, istate_t *istate);
87		96
88		97
-		98	/** Returns address of framebuffer device.
-		99	*
-		100	* @return Address of framebuffer device.
-		101	*/
89	extern uintptr_t machine_get_fb_address(void);	102	extern uintptr_t machine_get_fb_address(void);
90		103
91		104
92	#ifdef MACHINE_GXEMUL_TESTARM	105	#ifdef MACHINE_GXEMUL_TESTARM
93	# define machine_console_init(devno) gxemul_console_init(devno)	106	# define machine_console_init(devno) gxemul_console_init(devno)
94	# define machine_grab_console gxemul_grab_console	107	# define machine_grab_console gxemul_grab_console
95	# define machine_release_console gxemul_release_console	108	# define machine_release_console gxemul_release_console
96	# define machine_hw_map_init gxemul_hw_map_init	109	# define machine_hw_map_init gxemul_hw_map_init
97	# define machine_timer_irq_start gxemul_timer_irq_start	110	# define machine_timer_irq_start gxemul_timer_irq_start
98	# define machine_cpu_halt gxemul_cpu_halt	111	# define machine_cpu_halt gxemul_cpu_halt
99	# define machine_get_memory_size gxemul_get_memory_size	112	# define machine_get_memory_size gxemul_get_memory_size
100	# define machine_debug_putc(ch) gxemul_debug_putc(ch)	113	# define machine_debug_putc(ch) gxemul_debug_putc(ch)
101	# define machine_irq_exception(exc_no, istate) gxemul_irq_exception(exc_no, istate)	114	# define machine_irq_exception(exc_no, istate) gxemul_irq_exception(exc_no, istate)
102	# define machine_get_fb_address gxemul_get_fb_address	115	# define machine_get_fb_address gxemul_get_fb_address
103	#endif	116	#endif
104		117
105		118
106	#endif	119	#endif
107		120
108	/** @}	121	/** @}
109	*/	122	*/
110		123