WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/ppc32/src/ppc32.c


/*
 * Copyright (C) 2005 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.
 */
 
 /** @addtogroup ppc32  ppc32
 * @ingroup others
 * @{
 */
/** @file
 */
 
#include <arch.h>
#include <arch/boot/boot.h>
#include <arch/drivers/cuda.h>
#include <arch/mm/memory_init.h>
#include <arch/interrupt.h>
#include <genarch/fb/fb.h>
#include <userspace.h>
#include <proc/uarg.h>
#include <console/console.h>
#include <arch/drivers/pic.h>
 
bootinfo_t bootinfo;
 
void arch_pre_main(void)
{
    /* Setup usermode */
    init.cnt = bootinfo.taskmap.count;
   
    __u32 i;
   
    for (i = 0; i < bootinfo.taskmap.count; i++) {
        init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
    }
}
 
void arch_pre_mm_init(void)
{
    /* Initialize dispatch table */
    interrupt_init();
 
    /* Start decrementer */
    start_decrementer();
}
 
void arch_post_mm_init(void)
{
    if (config.cpu_active == 1) {
        fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);   
   
        /* Initialize PIC */
        pic_init();
       
        cuda_init(bootinfo.keyboard.addr, bootinfo.keyboard.size);
       
        /* Merge all zones to 1 big zone */
        zone_merge_all();
    }
}
 
void arch_pre_smp_init(void)
{
    memory_print_map();
}
 
void arch_post_smp_init(void)
{
}
 
void calibrate_delay_loop(void)
{
}
 
void userspace(uspace_arg_t *kernel_uarg)
{
    userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
   
    /* Unreachable */
    for (;;)
        ;
}
 
/** Acquire console back for kernel
 *
 */
void arch_grab_console(void)
{
}
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
}
 
 /** @}
 */
 
 

Rev 1702	Rev 1704
1	/*	1	/*
2	* Copyright (C) 2005 Martin Decky	2	* Copyright (C) 2005 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	/** @addtogroup ppc32	29	/** @addtogroup ppc32 ppc32
30	* @ingroup others	30	* @ingroup others
31	* @{	31	* @{
32	*/	32	*/
33	/** @file	33	/** @file
34	*/	34	*/
35		35
36	#include <arch.h>	36	#include <arch.h>
37	#include <arch/boot/boot.h>	37	#include <arch/boot/boot.h>
38	#include <arch/drivers/cuda.h>	38	#include <arch/drivers/cuda.h>
39	#include <arch/mm/memory_init.h>	39	#include <arch/mm/memory_init.h>
40	#include <arch/interrupt.h>	40	#include <arch/interrupt.h>
41	#include <genarch/fb/fb.h>	41	#include <genarch/fb/fb.h>
42	#include <userspace.h>	42	#include <userspace.h>
43	#include <proc/uarg.h>	43	#include <proc/uarg.h>
44	#include <console/console.h>	44	#include <console/console.h>
45	#include <arch/drivers/pic.h>	45	#include <arch/drivers/pic.h>
46		46
47	bootinfo_t bootinfo;	47	bootinfo_t bootinfo;
48		48
49	void arch_pre_main(void)	49	void arch_pre_main(void)
50	{	50	{
51	/* Setup usermode */	51	/* Setup usermode */
52	init.cnt = bootinfo.taskmap.count;	52	init.cnt = bootinfo.taskmap.count;
53		53
54	__u32 i;	54	__u32 i;
55		55
56	for (i = 0; i < bootinfo.taskmap.count; i++) {	56	for (i = 0; i < bootinfo.taskmap.count; i++) {
57	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);	57	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
58	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	58	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
59	}	59	}
60	}	60	}
61		61
62	void arch_pre_mm_init(void)	62	void arch_pre_mm_init(void)
63	{	63	{
64	/* Initialize dispatch table */	64	/* Initialize dispatch table */
65	interrupt_init();	65	interrupt_init();
66		66
67	/* Start decrementer */	67	/* Start decrementer */
68	start_decrementer();	68	start_decrementer();
69	}	69	}
70		70
71	void arch_post_mm_init(void)	71	void arch_post_mm_init(void)
72	{	72	{
73	if (config.cpu_active == 1) {	73	if (config.cpu_active == 1) {
74	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);	74	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);
75		75
76	/* Initialize PIC */	76	/* Initialize PIC */
77	pic_init();	77	pic_init();
78		78
79	cuda_init(bootinfo.keyboard.addr, bootinfo.keyboard.size);	79	cuda_init(bootinfo.keyboard.addr, bootinfo.keyboard.size);
80		80
81	/* Merge all zones to 1 big zone */	81	/* Merge all zones to 1 big zone */
82	zone_merge_all();	82	zone_merge_all();
83	}	83	}
84	}	84	}
85		85
86	void arch_pre_smp_init(void)	86	void arch_pre_smp_init(void)
87	{	87	{
88	memory_print_map();	88	memory_print_map();
89	}	89	}
90		90
91	void arch_post_smp_init(void)	91	void arch_post_smp_init(void)
92	{	92	{
93	}	93	}
94		94
95	void calibrate_delay_loop(void)	95	void calibrate_delay_loop(void)
96	{	96	{
97	}	97	}
98		98
99	void userspace(uspace_arg_t *kernel_uarg)	99	void userspace(uspace_arg_t *kernel_uarg)
100	{	100	{
101	userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);	101	userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
102		102
103	/* Unreachable */	103	/* Unreachable */
104	for (;;)	104	for (;;)
105	;	105	;
106	}	106	}
107		107
108	/** Acquire console back for kernel	108	/** Acquire console back for kernel
109	*	109	*
110	*/	110	*/
111	void arch_grab_console(void)	111	void arch_grab_console(void)
112	{	112	{
113	}	113	}
114	/** Return console to userspace	114	/** Return console to userspace
115	*	115	*
116	*/	116	*/
117	void arch_release_console(void)	117	void arch_release_console(void)
118	{	118	{
119	}	119	}
120		120
121	/** @}	121	/** @}
122	*/	122	*/
123		123
124		124

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ppc32/src/ppc32.c – Rev 1702 → 1704