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/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) {
 
#ifdef CONFIG_FB
        /* 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);
        }
#endif
       
        /* 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(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)
{
#ifdef CONFIG_FB
    fb_redraw();
#endif
}
 
/** 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 4123	Rev 4148
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>	-
46	#include <ddi/irq.h>	45	#include <ddi/irq.h>
47	#include <arch/drivers/pic.h>	46	#include <arch/drivers/pic.h>
48	#include <macros.h>	47	#include <macros.h>
49	#include <string.h>	48	#include <string.h>
50		49
51	#define IRQ_COUNT 64	50	#define IRQ_COUNT 64
52		51
53	bootinfo_t bootinfo;	52	bootinfo_t bootinfo;
54		53
55	/** Performs ppc32-specific initialization before main_bsp() is called. */	54	/** Performs ppc32-specific initialization before main_bsp() is called. */
56	void arch_pre_main(void)	55	void arch_pre_main(void)
57	{	56	{
58	init.cnt = bootinfo.taskmap.count;	57	init.cnt = bootinfo.taskmap.count;
59		58
60	uint32_t i;	59	uint32_t i;
61		60
62	for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {	61	for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {
63	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);	62	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
64	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	63	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
65	strncpy(init.tasks[i].name, bootinfo.taskmap.tasks[i].name,	64	strncpy(init.tasks[i].name, bootinfo.taskmap.tasks[i].name,
66	CONFIG_TASK_NAME_BUFLEN);	65	CONFIG_TASK_NAME_BUFLEN);
67	}	66	}
68	}	67	}
69		68
70	void arch_pre_mm_init(void)	69	void arch_pre_mm_init(void)
71	{	70	{
72	/* Initialize dispatch table */	71	/* Initialize dispatch table */
73	interrupt_init();	72	interrupt_init();
74		73
75	/* Start decrementer */	74	/* Start decrementer */
76	start_decrementer();	75	start_decrementer();
77	}	76	}
78		77
79	void arch_post_mm_init(void)	78	void arch_post_mm_init(void)
80	{	79	{
81	if (config.cpu_active == 1) {	80	if (config.cpu_active == 1) {
82		81
83	#ifdef CONFIG_FB	82	#ifdef CONFIG_FB
84	/* Initialize framebuffer */	83	/* Initialize framebuffer */
85	if (bootinfo.screen.addr) {	84	if (bootinfo.screen.addr) {
86	unsigned int visual;	85	unsigned int visual;
87		86
88	switch (bootinfo.screen.bpp) {	87	switch (bootinfo.screen.bpp) {
89	case 8:	88	case 8:
90	visual = VISUAL_INDIRECT_8;	89	visual = VISUAL_INDIRECT_8;
91	break;	90	break;
92	case 16:	91	case 16:
93	visual = VISUAL_RGB_5_5_5;	92	visual = VISUAL_RGB_5_5_5;
94	break;	93	break;
95	case 24:	94	case 24:
96	visual = VISUAL_RGB_8_8_8;	95	visual = VISUAL_RGB_8_8_8;
97	break;	96	break;
98	case 32:	97	case 32:
99	visual = VISUAL_RGB_0_8_8_8;	98	visual = VISUAL_RGB_0_8_8_8;
100	break;	99	break;
101	default:	100	default:
102	panic("Unsupported bits per pixel.");	101	panic("Unsupported bits per pixel.");
103	}	102	}
104	fb_properties_t prop = {	103	fb_properties_t prop = {
105	.addr = bootinfo.screen.addr,	104	.addr = bootinfo.screen.addr,
106	.offset = 0,	105	.offset = 0,
107	.x = bootinfo.screen.width,	106	.x = bootinfo.screen.width,
108	.y = bootinfo.screen.height,	107	.y = bootinfo.screen.height,
109	.scan = bootinfo.screen.scanline,	108	.scan = bootinfo.screen.scanline,
110	.visual = visual,	109	.visual = visual,
111	};	110	};
112	fb_init(&prop);	111	fb_init(&prop);
113	}	112	}
114	#endif	113	#endif
115		114
116	/* Initialize IRQ routing */	115	/* Initialize IRQ routing */
117	irq_init(IRQ_COUNT, IRQ_COUNT);	116	irq_init(IRQ_COUNT, IRQ_COUNT);
118		117
119	if (bootinfo.macio.addr) {	118	if (bootinfo.macio.addr) {
120	/* Initialize PIC */	119	/* Initialize PIC */
121	pic_init(bootinfo.macio.addr, PAGE_SIZE);	120	pic_init(bootinfo.macio.addr, PAGE_SIZE);
122		121
123	/* Initialize I/O controller */	122	/* Initialize I/O controller */
124	cuda_init(device_assign_devno(),	-
125	bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE);	123	cuda_init(bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE);
126	}	124	}
127		125
128	/* Merge all zones to 1 big zone */	126	/* Merge all zones to 1 big zone */
129	zone_merge_all();	127	zone_merge_all();
130	}	128	}
131	}	129	}
132		130
133	void arch_post_cpu_init(void)	131	void arch_post_cpu_init(void)
134	{	132	{
135	}	133	}
136		134
137	void arch_pre_smp_init(void)	135	void arch_pre_smp_init(void)
138	{	136	{
139	}	137	}
140		138
141	void arch_post_smp_init(void)	139	void arch_post_smp_init(void)
142	{	140	{
143	}	141	}
144		142
145	void calibrate_delay_loop(void)	143	void calibrate_delay_loop(void)
146	{	144	{
147	}	145	}
148		146
149	void userspace(uspace_arg_t *kernel_uarg)	147	void userspace(uspace_arg_t *kernel_uarg)
150	{	148	{
151	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,	149	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,
152	(uintptr_t) kernel_uarg->uspace_stack +	150	(uintptr_t) kernel_uarg->uspace_stack +
153	THREAD_STACK_SIZE - SP_DELTA,	151	THREAD_STACK_SIZE - SP_DELTA,
154	(uintptr_t) kernel_uarg->uspace_entry);	152	(uintptr_t) kernel_uarg->uspace_entry);
155		153
156	/* Unreachable */	154	/* Unreachable */
157	while (true);	155	while (true);
158	}	156	}
159		157
160	/** Acquire console back for kernel	158	/** Acquire console back for kernel
161	*	159	*
162	*/	160	*/
163	void arch_grab_console(void)	161	void arch_grab_console(void)
164	{	162	{
165	#ifdef CONFIG_FB	163	#ifdef CONFIG_FB
166	fb_redraw();	164	fb_redraw();
167	#endif	165	#endif
168	}	166	}
169		167
170	/** Return console to userspace	168	/** Return console to userspace
171	*	169	*
172	*/	170	*/
173	void arch_release_console(void)	171	void arch_release_console(void)
174	{	172	{
175	}	173	}
176		174
177	/** Construct function pointer	175	/** Construct function pointer
178	*	176	*
179	* @param fptr function pointer structure	177	* @param fptr function pointer structure
180	* @param addr function address	178	* @param addr function address
181	* @param caller calling function address	179	* @param caller calling function address
182	*	180	*
183	* @return address of the function pointer	181	* @return address of the function pointer
184	*	182	*
185	*/	183	*/
186	void arch_construct_function(fncptr_t fptr, void addr, void caller)	184	void arch_construct_function(fncptr_t fptr, void addr, void caller)
187	{	185	{
188	return addr;	186	return addr;
189	}	187	}
190		188
191	/** @}	189	/** @}
192	*/	190	*/
193		191

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ppc32/src/ppc32.c – Rev 4123 → 4148