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/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 */
        if (bootinfo.screen.addr) {
            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_properties_t prop = {
                .addr = bootinfo.screen.addr,
                .offset = 0,
                .x = bootinfo.screen.width,
                .y = bootinfo.screen.height,
                .scan = bootinfo.screen.scanline,
                .visual = visual,
            };
            fb_init(&prop);
        }
       
        /* Initialize IRQ routing */
        irq_init(IRQ_COUNT, IRQ_COUNT);
       
        if (bootinfo.macio.addr) {
            /* Initialize PIC */
            pic_init(bootinfo.macio.addr, PAGE_SIZE);
           
            /* Initialize I/O controller */
            cuda_init(device_assign_devno(),
                bootinfo.macio.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 */
    while (true);
 
}
 
/** Acquire console back for kernel
 *
 */
void arch_grab_console(void)
{
    fb_redraw();
    cuda_grab();
}
 
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
    cuda_release();
}
 
/** @}
 */
 

Rev 3829	Rev 3844
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/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	if (bootinfo.screen.addr) {	79	if (bootinfo.screen.addr) {
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_properties_t prop = {	98	fb_properties_t prop = {
99	.addr = bootinfo.screen.addr,	99	.addr = bootinfo.screen.addr,
100	.offset = 0,	100	.offset = 0,
101	.x = bootinfo.screen.width,	101	.x = bootinfo.screen.width,
102	.y = bootinfo.screen.height,	102	.y = bootinfo.screen.height,
103	.scan = bootinfo.screen.scanline,	103	.scan = bootinfo.screen.scanline,
104	.visual = visual,	104	.visual = visual,
105	};	105	};
106	fb_init(&prop);	106	fb_init(&prop);
107	}	107	}
108		108
109	/* Initialize IRQ routing */	109	/* Initialize IRQ routing */
110	irq_init(IRQ_COUNT, IRQ_COUNT);	110	irq_init(IRQ_COUNT, IRQ_COUNT);
111		111
112	if (bootinfo.macio.addr) {	112	if (bootinfo.macio.addr) {
113	/* Initialize PIC */	113	/* Initialize PIC */
114	pic_init(bootinfo.macio.addr, PAGE_SIZE);	114	pic_init(bootinfo.macio.addr, PAGE_SIZE);
115		115
116	/* Initialize I/O controller */	116	/* Initialize I/O controller */
117	cuda_init(device_assign_devno(),	117	cuda_init(device_assign_devno(),
118	bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE);	118	bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE);
119	}	119	}
120		120
121	/* Merge all zones to 1 big zone */	121	/* Merge all zones to 1 big zone */
122	zone_merge_all();	122	zone_merge_all();
123	}	123	}
124	}	124	}
125		125
126	void arch_post_cpu_init(void)	126	void arch_post_cpu_init(void)
127	{	127	{
128	}	128	}
129		129
130	void arch_pre_smp_init(void)	130	void arch_pre_smp_init(void)
131	{	131	{
132	}	132	}
133		133
134	void arch_post_smp_init(void)	134	void arch_post_smp_init(void)
135	{	135	{
136	}	136	}
137		137
138	void calibrate_delay_loop(void)	138	void calibrate_delay_loop(void)
139	{	139	{
140	}	140	}
141		141
142	void userspace(uspace_arg_t *kernel_uarg)	142	void userspace(uspace_arg_t *kernel_uarg)
143	{	143	{
144	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,	144	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,
145	(uintptr_t) kernel_uarg->uspace_stack +	145	(uintptr_t) kernel_uarg->uspace_stack +
146	THREAD_STACK_SIZE - SP_DELTA,	146	THREAD_STACK_SIZE - SP_DELTA,
147	(uintptr_t) kernel_uarg->uspace_entry);	147	(uintptr_t) kernel_uarg->uspace_entry);
148		148
149	/* Unreachable */	149	/* Unreachable */
150	for (;;)	150	while (true);
151	;	-
152	}	151	}
153		152
154	/** Acquire console back for kernel	153	/** Acquire console back for kernel
155	*	154	*
156	*/	155	*/
157	void arch_grab_console(void)	156	void arch_grab_console(void)
158	{	157	{
159	fb_redraw();	158	fb_redraw();
160	cuda_grab();	159	cuda_grab();
161	}	160	}
162		161
163	/** Return console to userspace	162	/** Return console to userspace
164	*	163	*
165	*/	164	*/
166	void arch_release_console(void)	165	void arch_release_console(void)
167	{	166	{
168	cuda_release();	167	cuda_release();
169	}	168	}
170		169
171	/** @}	170	/** @}
172	*/	171	*/
173		172

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(root)/trunk/kernel/arch/ppc32/src/ppc32.c – Rev 3829 → 3844