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 <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)
{
    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 1993	Rev 2071
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 <genarch/fb/visuals.h>	41	#include <genarch/fb/visuals.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 <ddi/device.h>	45	#include <ddi/device.h>
46	#include <ddi/irq.h>	46	#include <ddi/irq.h>
47	#include <arch/drivers/pic.h>	47	#include <arch/drivers/pic.h>
48		48
49	#define IRQ_COUNT 64	49	#define IRQ_COUNT 64
50		50
51	bootinfo_t bootinfo;	51	bootinfo_t bootinfo;
52		52
53	void arch_pre_main(void)	53	void arch_pre_main(void)
54	{	54	{
55	/* Setup usermode */	55	/* Setup usermode */
56	init.cnt = bootinfo.taskmap.count;	56	init.cnt = bootinfo.taskmap.count;
57		57
58	uint32_t i;	58	uint32_t i;
59		59
60	for (i = 0; i < bootinfo.taskmap.count; i++) {	60	for (i = 0; i < bootinfo.taskmap.count; i++) {
61	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);	61	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
62	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	62	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
63	}	63	}
64	}	64	}
65		65
66	void arch_pre_mm_init(void)	66	void arch_pre_mm_init(void)
67	{	67	{
68	/* Initialize dispatch table */	68	/* Initialize dispatch table */
69	interrupt_init();	69	interrupt_init();
70		70
71	/* Start decrementer */	71	/* Start decrementer */
72	start_decrementer();	72	start_decrementer();
73	}	73	}
74		74
75	void arch_post_mm_init(void)	75	void arch_post_mm_init(void)
76	{	76	{
77	if (config.cpu_active == 1) {	77	if (config.cpu_active == 1) {
78	/* Initialize framebuffer */	78	/* Initialize framebuffer */
79	unsigned int visual;	79	unsigned int visual;
80		80
81	switch (bootinfo.screen.bpp) {	81	switch (bootinfo.screen.bpp) {
82	case 8:	82	case 8:
83	visual = VISUAL_INDIRECT_8;	83	visual = VISUAL_INDIRECT_8;
84	break;	84	break;
85	case 16:	85	case 16:
86	visual = VISUAL_RGB_5_5_5;	86	visual = VISUAL_RGB_5_5_5;
87	break;	87	break;
88	case 24:	88	case 24:
89	visual = VISUAL_RGB_8_8_8;	89	visual = VISUAL_RGB_8_8_8;
90	break;	90	break;
91	case 32:	91	case 32:
92	visual = VISUAL_RGB_0_8_8_8;	92	visual = VISUAL_RGB_0_8_8_8;
93	break;	93	break;
94	default:	94	default:
95	panic("Unsupported bits per pixel");	95	panic("Unsupported bits per pixel");
96	}	96	}
97	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);	97	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
98		98
99	/* Initialize IRQ routing */	99	/* Initialize IRQ routing */
100	irq_init(IRQ_COUNT, IRQ_COUNT);	100	irq_init(IRQ_COUNT, IRQ_COUNT);
101		101
102	/* Initialize PIC */	102	/* Initialize PIC */
103	pic_init(bootinfo.keyboard.addr, PAGE_SIZE);	103	pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
104		104
105	/* Initialize I/O controller */	105	/* Initialize I/O controller */
106	cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);	106	cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
107		107
108	/* Merge all zones to 1 big zone */	108	/* Merge all zones to 1 big zone */
109	zone_merge_all();	109	zone_merge_all();
110	}	110	}
111	}	111	}
112		112
113	void arch_post_cpu_init(void)	113	void arch_post_cpu_init(void)
114	{	114	{
115	}	115	}
116		116
117	void arch_pre_smp_init(void)	117	void arch_pre_smp_init(void)
118	{	118	{
119	memory_print_map();	119	memory_print_map();
120	}	120	}
121		121
122	void arch_post_smp_init(void)	122	void arch_post_smp_init(void)
123	{	123	{
124	}	124	}
125		125
126	void calibrate_delay_loop(void)	126	void calibrate_delay_loop(void)
127	{	127	{
128	}	128	}
129		129
130	void userspace(uspace_arg_t *kernel_uarg)	130	void userspace(uspace_arg_t *kernel_uarg)
131	{	131	{
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);	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);
133		133
134	/* Unreachable */	134	/* Unreachable */
135	for (;;)	135	for (;;)
136	;	136	;
137	}	137	}
138		138
139	/** Acquire console back for kernel	139	/** Acquire console back for kernel
140	*	140	*
141	*/	141	*/
142	void arch_grab_console(void)	142	void arch_grab_console(void)
143	{	143	{
144	cuda_grab();	144	cuda_grab();
145	}	145	}
146		146
147	/** Return console to userspace	147	/** Return console to userspace
148	*	148	*
149	*/	149	*/
150	void arch_release_console(void)	150	void arch_release_console(void)
151	{	151	{
152	cuda_release();	152	cuda_release();
153	}	153	}
154		154
155	/** @}	155	/** @}
156	*/	156	*/
157		157

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(root)/trunk/kernel/arch/ppc32/src/ppc32.c – Rev 1993 → 2071