WebSVN – HelenOS – Diff – /trunk/kernel/arch/ppc64/src/ppc64.c


/*
 * Copyright (c) 2006 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 ppc64
 * @{
 */
/** @file
 */
 
#include <arch.h>
#include <arch/boot/boot.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>
 
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);
       
   
        /* 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)
{
}
 
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
}
 
void arch_reboot(void)
{
    // TODO
    while (1);
}
 
/** @}
 */
 

Rev 2725	Rev 3790
1	/*	1	/*
2	* Copyright (c) 2006 Martin Decky	2	* Copyright (c) 2006 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 ppc64	29	/** @addtogroup ppc64
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/interrupt.h>	37	#include <arch/interrupt.h>
38	#include <genarch/fb/fb.h>	38	#include <genarch/fb/fb.h>
39	#include <genarch/fb/visuals.h>	39	#include <genarch/fb/visuals.h>
40	#include <userspace.h>	40	#include <userspace.h>
41	#include <proc/uarg.h>	41	#include <proc/uarg.h>
42	#include <console/console.h>	42	#include <console/console.h>
43		43
44	bootinfo_t bootinfo;	44	bootinfo_t bootinfo;
45		45
46	void arch_pre_main(void)	46	void arch_pre_main(void)
47	{	47	{
48	/* Setup usermode */	48	/* Setup usermode */
49	init.cnt = bootinfo.taskmap.count;	49	init.cnt = bootinfo.taskmap.count;
50		50
51	uint32_t i;	51	uint32_t i;
52		52
53	for (i = 0; i < bootinfo.taskmap.count; i++) {	53	for (i = 0; i < bootinfo.taskmap.count; i++) {
54	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);	54	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
55	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	55	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
56	}	56	}
57	}	57	}
58		58
59	void arch_pre_mm_init(void)	59	void arch_pre_mm_init(void)
60	{	60	{
61	/* Initialize dispatch table */	61	/* Initialize dispatch table */
62	interrupt_init();	62	interrupt_init();
63		63
64	/* Start decrementer */	64	/* Start decrementer */
65	start_decrementer();	65	start_decrementer();
66	}	66	}
67		67
68	void arch_post_mm_init(void)	68	void arch_post_mm_init(void)
69	{	69	{
70	if (config.cpu_active == 1) {	70	if (config.cpu_active == 1) {
71	/* Initialize framebuffer */	71	/* Initialize framebuffer */
72	unsigned int visual;	72	unsigned int visual;
73		73
74	switch (bootinfo.screen.bpp) {	74	switch (bootinfo.screen.bpp) {
75	case 8:	75	case 8:
76	visual = VISUAL_INDIRECT_8;	76	visual = VISUAL_INDIRECT_8;
77	break;	77	break;
78	case 16:	78	case 16:
79	visual = VISUAL_RGB_5_5_5;	79	visual = VISUAL_RGB_5_5_5;
80	break;	80	break;
81	case 24:	81	case 24:
82	visual = VISUAL_RGB_8_8_8;	82	visual = VISUAL_RGB_8_8_8;
83	break;	83	break;
84	case 32:	84	case 32:
85	visual = VISUAL_RGB_0_8_8_8;	85	visual = VISUAL_RGB_0_8_8_8;
86	break;	86	break;
87	default:	87	default:
88	panic("Unsupported bits per pixel");	88	panic("Unsupported bits per pixel.");
89	}	89	}
90	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);	90	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
91		91
92		92
93	/* Merge all zones to 1 big zone */	93	/* Merge all zones to 1 big zone */
94	zone_merge_all();	94	zone_merge_all();
95	}	95	}
96	}	96	}
97		97
98	void arch_post_cpu_init(void)	98	void arch_post_cpu_init(void)
99	{	99	{
100	}	100	}
101		101
102	void arch_pre_smp_init(void)	102	void arch_pre_smp_init(void)
103	{	103	{
104	}	104	}
105		105
106	void arch_post_smp_init(void)	106	void arch_post_smp_init(void)
107	{	107	{
108	}	108	}
109		109
110	void calibrate_delay_loop(void)	110	void calibrate_delay_loop(void)
111	{	111	{
112	}	112	}
113		113
114	void userspace(uspace_arg_t *kernel_uarg)	114	void userspace(uspace_arg_t *kernel_uarg)
115	{	115	{
116	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);	116	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);
117		117
118	/* Unreachable */	118	/* Unreachable */
119	for (;;)	119	for (;;)
120	;	120	;
121	}	121	}
122		122
123	/** Acquire console back for kernel	123	/** Acquire console back for kernel
124	*	124	*
125	*/	125	*/
126	void arch_grab_console(void)	126	void arch_grab_console(void)
127	{	127	{
128	}	128	}
129		129
130	/** Return console to userspace	130	/** Return console to userspace
131	*	131	*
132	*/	132	*/
133	void arch_release_console(void)	133	void arch_release_console(void)
134	{	134	{
135	}	135	}
136		136
137	void arch_reboot(void)	137	void arch_reboot(void)
138	{	138	{
139	// TODO	139	// TODO
140	while (1);	140	while (1);
141	}	141	}
142		142
143	/** @}	143	/** @}
144	*/	144	*/
145		145

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(root)/trunk/kernel/arch/ppc64/src/ppc64.c – Rev 2725 → 3790