WebSVN – HelenOS – Diff – /trunk/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 <config.h>
#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 <genarch/fb/visuals.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 */
        unsigned int visual;
       
        switch (bootinfo.screen.bpp) {
        case 8:
            visual = VISUAL_INDIRECT_8;
            break;
        case 16:
            visual = VISUAL_RGB_5_5_5;
            break;
        case 24:
            visual = VISUAL_RGB_8_8_8;
            break;
        case 32:
            visual = VISUAL_RGB_0_8_8_8;
            break;
        default:
            panic("Unsupported bits per pixel");
        }
        fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
       
        /* 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)
{
 
}
 
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 2089	Rev 2723
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 <config.h>	35	#include <config.h>
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 <genarch/fb/visuals.h>	42	#include <genarch/fb/visuals.h>
43	#include <userspace.h>	43	#include <userspace.h>
44	#include <proc/uarg.h>	44	#include <proc/uarg.h>
45	#include <console/console.h>	45	#include <console/console.h>
46	#include <ddi/device.h>	46	#include <ddi/device.h>
47	#include <ddi/irq.h>	47	#include <ddi/irq.h>
48	#include <arch/drivers/pic.h>	48	#include <arch/drivers/pic.h>
49		49
50	#define IRQ_COUNT 64	50	#define IRQ_COUNT 64
51		51
52	bootinfo_t bootinfo;	52	bootinfo_t bootinfo;
53		53
54	void arch_pre_main(void)	54	void arch_pre_main(void)
55	{	55	{
56	/* Setup usermode */	56	/* Setup usermode */
57	init.cnt = bootinfo.taskmap.count;	57	init.cnt = bootinfo.taskmap.count;
58		58
59	uint32_t i;	59	uint32_t i;
60		60
61	for (i = 0; i < bootinfo.taskmap.count; i++) {	61	for (i = 0; i < bootinfo.taskmap.count; i++) {
62	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);	62	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
63	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	63	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
64	}	64	}
65	}	65	}
66		66
67	void arch_pre_mm_init(void)	67	void arch_pre_mm_init(void)
68	{	68	{
69	/* Initialize dispatch table */	69	/* Initialize dispatch table */
70	interrupt_init();	70	interrupt_init();
71		71
72	/* Start decrementer */	72	/* Start decrementer */
73	start_decrementer();	73	start_decrementer();
74	}	74	}
75		75
76	void arch_post_mm_init(void)	76	void arch_post_mm_init(void)
77	{	77	{
78	if (config.cpu_active == 1) {	78	if (config.cpu_active == 1) {
79	/* Initialize framebuffer */	79	/* Initialize framebuffer */
80	unsigned int visual;	80	unsigned int visual;
81		81
82	switch (bootinfo.screen.bpp) {	82	switch (bootinfo.screen.bpp) {
83	case 8:	83	case 8:
84	visual = VISUAL_INDIRECT_8;	84	visual = VISUAL_INDIRECT_8;
85	break;	85	break;
86	case 16:	86	case 16:
87	visual = VISUAL_RGB_5_5_5;	87	visual = VISUAL_RGB_5_5_5;
88	break;	88	break;
89	case 24:	89	case 24:
90	visual = VISUAL_RGB_8_8_8;	90	visual = VISUAL_RGB_8_8_8;
91	break;	91	break;
92	case 32:	92	case 32:
93	visual = VISUAL_RGB_0_8_8_8;	93	visual = VISUAL_RGB_0_8_8_8;
94	break;	94	break;
95	default:	95	default:
96	panic("Unsupported bits per pixel");	96	panic("Unsupported bits per pixel");
97	}	97	}
98	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);	98	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
99		99
100	/* Initialize IRQ routing */	100	/* Initialize IRQ routing */
101	irq_init(IRQ_COUNT, IRQ_COUNT);	101	irq_init(IRQ_COUNT, IRQ_COUNT);
102		102
103	/* Initialize PIC */	103	/* Initialize PIC */
104	pic_init(bootinfo.keyboard.addr, PAGE_SIZE);	104	pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
105		105
106	/* Initialize I/O controller */	106	/* Initialize I/O controller */
107	cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);	107	cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
108		108
109	/* Merge all zones to 1 big zone */	109	/* Merge all zones to 1 big zone */
110	zone_merge_all();	110	zone_merge_all();
111	}	111	}
112	}	112	}
113		113
114	void arch_post_cpu_init(void)	114	void arch_post_cpu_init(void)
115	{	115	{
116	}	116	}
117		117
118	void arch_pre_smp_init(void)	118	void arch_pre_smp_init(void)
119	{	119	{
120	memory_print_map();	-
121	}	120	}
122		121
123	void arch_post_smp_init(void)	122	void arch_post_smp_init(void)
124	{	123	{
125	}	124	}
126		125
127	void calibrate_delay_loop(void)	126	void calibrate_delay_loop(void)
128	{	127	{
129	}	128	}
130		129
131	void userspace(uspace_arg_t *kernel_uarg)	130	void userspace(uspace_arg_t *kernel_uarg)
132	{	131	{
133	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);	132	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);
134		133
135	/* Unreachable */	134	/* Unreachable */
136	for (;;)	135	for (;;)
137	;	136	;
138	}	137	}
139		138
140	/** Acquire console back for kernel	139	/** Acquire console back for kernel
141	*	140	*
142	*/	141	*/
143	void arch_grab_console(void)	142	void arch_grab_console(void)
144	{	143	{
145	cuda_grab();	144	cuda_grab();
146	}	145	}
147		146
148	/** Return console to userspace	147	/** Return console to userspace
149	*	148	*
150	*/	149	*/
151	void arch_release_console(void)	150	void arch_release_console(void)
152	{	151	{
153	cuda_release();	152	cuda_release();
154	}	153	}
155		154
156	/** @}	155	/** @}
157	*/	156	*/
158		157

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(root)/trunk/kernel/arch/ppc32/src/ppc32.c @ 2089 – Rev 2089 → 2723