WebSVN – HelenOS – Diff – /branches/dd/kernel/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
 * @{
 */
/** @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 <ddi/device.h>
#include <ddi/irq.h>
#include <arch/drivers/pic.h>
 
#define IRQ_COUNT   64
 
bootinfo_t bootinfo;
 
void arch_pre_main(void)
{
    /* Setup usermode */
    init.cnt = bootinfo.taskmap.count;
   
    uint32_t 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) {
        /* Initialize framebuffer */
        fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline, false);
       
        /* Initialize IRQ routing */
        irq_init(IRQ_COUNT, IRQ_COUNT);
   
        /* Initialize PIC */
        pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
       
        /* Initialize I/O controller */
        cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
       
        /* Merge all zones to 1 big zone */
        zone_merge_all();
    }
}
 
void arch_post_cpu_init(void)
{
}
 
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((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);
   
    /* Unreachable */
    for (;;)
        ;
}
 
/** Acquire console back for kernel
 *
 */
void arch_grab_console(void)
{
    cuda_grab();
}
 
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
    cuda_release();
}
 
/** @}
 */
 

Rev 1901	Rev 1928
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
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch.h>	35	#include <arch.h>
36	#include <arch/boot/boot.h>	36	#include <arch/boot/boot.h>
37	#include <arch/drivers/cuda.h>	37	#include <arch/drivers/cuda.h>
38	#include <arch/mm/memory_init.h>	38	#include <arch/mm/memory_init.h>
39	#include <arch/interrupt.h>	39	#include <arch/interrupt.h>
40	#include <genarch/fb/fb.h>	40	#include <genarch/fb/fb.h>
41	#include <userspace.h>	41	#include <userspace.h>
42	#include <proc/uarg.h>	42	#include <proc/uarg.h>
43	#include <console/console.h>	43	#include <console/console.h>
-		44	#include <ddi/device.h>
-		45	#include <ddi/irq.h>
44	#include <arch/drivers/pic.h>	46	#include <arch/drivers/pic.h>
45		47
-		48	#define IRQ_COUNT 64
-		49
46	bootinfo_t bootinfo;	50	bootinfo_t bootinfo;
47		51
48	void arch_pre_main(void)	52	void arch_pre_main(void)
49	{	53	{
50	/* Setup usermode */	54	/* Setup usermode */
51	init.cnt = bootinfo.taskmap.count;	55	init.cnt = bootinfo.taskmap.count;
52		56
53	uint32_t i;	57	uint32_t i;
54		58
55	for (i = 0; i < bootinfo.taskmap.count; i++) {	59	for (i = 0; i < bootinfo.taskmap.count; i++) {
56	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);	60	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
57	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	61	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
58	}	62	}
59	}	63	}
60		64
61	void arch_pre_mm_init(void)	65	void arch_pre_mm_init(void)
62	{	66	{
63	/* Initialize dispatch table */	67	/* Initialize dispatch table */
64	interrupt_init();	68	interrupt_init();
65		69
66	/* Start decrementer */	70	/* Start decrementer */
67	start_decrementer();	71	start_decrementer();
68	}	72	}
69		73
70	void arch_post_mm_init(void)	74	void arch_post_mm_init(void)
71	{	75	{
72	if (config.cpu_active == 1) {	76	if (config.cpu_active == 1) {
-		77	/* Initialize framebuffer */
73	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline, false);	78	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline, false);
-		79
-		80	/* Initialize IRQ routing */
-		81	irq_init(IRQ_COUNT, IRQ_COUNT);
74		82
75	/* Initialize PIC */	83	/* Initialize PIC */
76	pic_init(bootinfo.keyboard.addr, PAGE_SIZE);	84	pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
77		85
-		86	/* Initialize I/O controller */
78	cuda_init(bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);	87	cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
79		88
80	/* Merge all zones to 1 big zone */	89	/* Merge all zones to 1 big zone */
81	zone_merge_all();	90	zone_merge_all();
82	}	91	}
83	}	92	}
84		93
85	void arch_post_cpu_init(void)	94	void arch_post_cpu_init(void)
86	{	95	{
87	}	96	}
88		97
89	void arch_pre_smp_init(void)	98	void arch_pre_smp_init(void)
90	{	99	{
91	memory_print_map();	100	memory_print_map();
92	}	101	}
93		102
94	void arch_post_smp_init(void)	103	void arch_post_smp_init(void)
95	{	104	{
96	}	105	}
97		106
98	void calibrate_delay_loop(void)	107	void calibrate_delay_loop(void)
99	{	108	{
100	}	109	}
101		110
102	void userspace(uspace_arg_t *kernel_uarg)	111	void userspace(uspace_arg_t *kernel_uarg)
103	{	112	{
104	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);	113	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);
105		114
106	/* Unreachable */	115	/* Unreachable */
107	for (;;)	116	for (;;)
108	;	117	;
109	}	118	}
110		119
111	/** Acquire console back for kernel	120	/** Acquire console back for kernel
112	*	121	*
113	*/	122	*/
114	void arch_grab_console(void)	123	void arch_grab_console(void)
115	{	124	{
116	cuda_grab();	125	cuda_grab();
117	}	126	}
118		127
119	/** Return console to userspace	128	/** Return console to userspace
120	*	129	*
121	*/	130	*/
122	void arch_release_console(void)	131	void arch_release_console(void)
123	{	132	{
124	cuda_release();	133	cuda_release();
125	}	134	}
126		135
127	/** @}	136	/** @}
128	*/	137	*/
129		138

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(root)/branches/dd/kernel/arch/ppc32/src/ppc32.c @ 4688 – Rev 1901 → 1928