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>
#include <macros.h>
#include <string.h>
 
#define IRQ_COUNT  64
 
bootinfo_t bootinfo;
 
/** Performs ppc32-specific initialization before main_bsp() is called. */
void arch_pre_main(void)
{
    init.cnt = bootinfo.taskmap.count;
   
    uint32_t i;
   
    for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {
        init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
        strncpy(init.tasks[i].name, bootinfo.taskmap.tasks[i].name,
            CONFIG_TASK_NAME_BUFLEN);
    }
}
 
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();
}
 
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
}
 
/** Construct function pointer
 *
 * @param fptr   function pointer structure
 * @param addr   function address
 * @param caller calling function address
 *
 * @return address of the function pointer
 *
 */
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
{
    return addr;
}
 
/** @}
 */
 

Rev 4023	Rev 4030
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	#include <macros.h>	48	#include <macros.h>
-		49	#include <string.h>
49		50
50	#define IRQ_COUNT 64	51	#define IRQ_COUNT 64
51		52
52	bootinfo_t bootinfo;	53	bootinfo_t bootinfo;
53		54
54	/** Performs ppc32-specific initialization before main_bsp() is called. */	55	/** Performs ppc32-specific initialization before main_bsp() is called. */
55	void arch_pre_main(void)	56	void arch_pre_main(void)
56	{	57	{
57	init.cnt = bootinfo.taskmap.count;	58	init.cnt = bootinfo.taskmap.count;
58		59
59	uint32_t i;	60	uint32_t i;
60		61
61	for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {	62	for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {
62	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);	63	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
63	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	64	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
-		65	strncpy(init.tasks[i].name, bootinfo.taskmap.tasks[i].name,
-		66	CONFIG_TASK_NAME_BUFLEN);
64	}	67	}
65	}	68	}
66		69
67	void arch_pre_mm_init(void)	70	void arch_pre_mm_init(void)
68	{	71	{
69	/* Initialize dispatch table */	72	/* Initialize dispatch table */
70	interrupt_init();	73	interrupt_init();
71		74
72	/* Start decrementer */	75	/* Start decrementer */
73	start_decrementer();	76	start_decrementer();
74	}	77	}
75		78
76	void arch_post_mm_init(void)	79	void arch_post_mm_init(void)
77	{	80	{
78	if (config.cpu_active == 1) {	81	if (config.cpu_active == 1) {
79	/* Initialize framebuffer */	82	/* Initialize framebuffer */
80	if (bootinfo.screen.addr) {	83	if (bootinfo.screen.addr) {
81	unsigned int visual;	84	unsigned int visual;
82		85
83	switch (bootinfo.screen.bpp) {	86	switch (bootinfo.screen.bpp) {
84	case 8:	87	case 8:
85	visual = VISUAL_INDIRECT_8;	88	visual = VISUAL_INDIRECT_8;
86	break;	89	break;
87	case 16:	90	case 16:
88	visual = VISUAL_RGB_5_5_5;	91	visual = VISUAL_RGB_5_5_5;
89	break;	92	break;
90	case 24:	93	case 24:
91	visual = VISUAL_RGB_8_8_8;	94	visual = VISUAL_RGB_8_8_8;
92	break;	95	break;
93	case 32:	96	case 32:
94	visual = VISUAL_RGB_0_8_8_8;	97	visual = VISUAL_RGB_0_8_8_8;
95	break;	98	break;
96	default:	99	default:
97	panic("Unsupported bits per pixel.");	100	panic("Unsupported bits per pixel.");
98	}	101	}
99	fb_properties_t prop = {	102	fb_properties_t prop = {
100	.addr = bootinfo.screen.addr,	103	.addr = bootinfo.screen.addr,
101	.offset = 0,	104	.offset = 0,
102	.x = bootinfo.screen.width,	105	.x = bootinfo.screen.width,
103	.y = bootinfo.screen.height,	106	.y = bootinfo.screen.height,
104	.scan = bootinfo.screen.scanline,	107	.scan = bootinfo.screen.scanline,
105	.visual = visual,	108	.visual = visual,
106	};	109	};
107	fb_init(&prop);	110	fb_init(&prop);
108	}	111	}
109		112
110	/* Initialize IRQ routing */	113	/* Initialize IRQ routing */
111	irq_init(IRQ_COUNT, IRQ_COUNT);	114	irq_init(IRQ_COUNT, IRQ_COUNT);
112		115
113	if (bootinfo.macio.addr) {	116	if (bootinfo.macio.addr) {
114	/* Initialize PIC */	117	/* Initialize PIC */
115	pic_init(bootinfo.macio.addr, PAGE_SIZE);	118	pic_init(bootinfo.macio.addr, PAGE_SIZE);
116		119
117	/* Initialize I/O controller */	120	/* Initialize I/O controller */
118	cuda_init(device_assign_devno(),	121	cuda_init(device_assign_devno(),
119	bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE);	122	bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE);
120	}	123	}
121		124
122	/* Merge all zones to 1 big zone */	125	/* Merge all zones to 1 big zone */
123	zone_merge_all();	126	zone_merge_all();
124	}	127	}
125	}	128	}
126		129
127	void arch_post_cpu_init(void)	130	void arch_post_cpu_init(void)
128	{	131	{
129	}	132	}
130		133
131	void arch_pre_smp_init(void)	134	void arch_pre_smp_init(void)
132	{	135	{
133	}	136	}
134		137
135	void arch_post_smp_init(void)	138	void arch_post_smp_init(void)
136	{	139	{
137	}	140	}
138		141
139	void calibrate_delay_loop(void)	142	void calibrate_delay_loop(void)
140	{	143	{
141	}	144	}
142		145
143	void userspace(uspace_arg_t *kernel_uarg)	146	void userspace(uspace_arg_t *kernel_uarg)
144	{	147	{
145	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,	148	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,
146	(uintptr_t) kernel_uarg->uspace_stack +	149	(uintptr_t) kernel_uarg->uspace_stack +
147	THREAD_STACK_SIZE - SP_DELTA,	150	THREAD_STACK_SIZE - SP_DELTA,
148	(uintptr_t) kernel_uarg->uspace_entry);	151	(uintptr_t) kernel_uarg->uspace_entry);
149		152
150	/* Unreachable */	153	/* Unreachable */
151	while (true);	154	while (true);
152	}	155	}
153		156
154	/** Acquire console back for kernel	157	/** Acquire console back for kernel
155	*	158	*
156	*/	159	*/
157	void arch_grab_console(void)	160	void arch_grab_console(void)
158	{	161	{
159	fb_redraw();	162	fb_redraw();
160	}	163	}
161		164
162	/** Return console to userspace	165	/** Return console to userspace
163	*	166	*
164	*/	167	*/
165	void arch_release_console(void)	168	void arch_release_console(void)
166	{	169	{
167	}	170	}
168		171
169	/** Construct function pointer	172	/** Construct function pointer
170	*	173	*
171	* @param fptr function pointer structure	174	* @param fptr function pointer structure
172	* @param addr function address	175	* @param addr function address
173	* @param caller calling function address	176	* @param caller calling function address
174	*	177	*
175	* @return address of the function pointer	178	* @return address of the function pointer
176	*	179	*
177	*/	180	*/
178	void arch_construct_function(fncptr_t fptr, void addr, void caller)	181	void arch_construct_function(fncptr_t fptr, void addr, void caller)
179	{	182	{
180	return addr;	183	return addr;
181	}	184	}
182		185
183	/** @}	186	/** @}
184	*/	187	*/
185		188

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ppc32/src/ppc32.c @ 4123 – Rev 4023 → 4030