WebSVN – HelenOS – Diff – /branches/snapshot/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 <genarch/drivers/via-cuda/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 <align.h>
#include <macros.h>
#include <string.h>
 
#define IRQ_COUNT  64
#define IRQ_CUDA   10
 
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;
        str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN,
            bootinfo.taskmap.tasks[i].name);
    }
}
 
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 */
            cir_t cir;
            void *cir_arg;
            pic_init(bootinfo.macio.addr, PAGE_SIZE, &cir, &cir_arg);
           
#ifdef CONFIG_VIA_CUDA
            uintptr_t pa = bootinfo.macio.addr + 0x16000;
            uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
            size_t offset = pa - aligned_addr;
            size_t size = 2 * PAGE_SIZE;
           
            cuda_t *cuda = (cuda_t *)
                (hw_map(aligned_addr, offset + size) + offset);
           
            /* Initialize I/O controller */
            cuda_instance_t *cuda_instance =
                cuda_init(cuda, IRQ_CUDA, cir, cir_arg);
            if (cuda_instance) {
                indev_t *sink = stdin_wire();
                cuda_wire(cuda_instance, sink);
            }
#endif
        }
       
        /* 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;
}
 
void arch_reboot(void)
{
    // TODO
    while (1);
}
 
/** @}
 */
 

Rev 4311	Rev 4605
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 <genarch/drivers/via-cuda/cuda.h>	38	#include <genarch/drivers/via-cuda/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/irq.h>	45	#include <ddi/irq.h>
46	#include <arch/drivers/pic.h>	46	#include <arch/drivers/pic.h>
47	#include <align.h>	47	#include <align.h>
48	#include <macros.h>	48	#include <macros.h>
49	#include <string.h>	49	#include <string.h>
50		50
51	#define IRQ_COUNT 64	51	#define IRQ_COUNT 64
52	#define IRQ_CUDA 10	52	#define IRQ_CUDA 10
53		53
54	bootinfo_t bootinfo;	54	bootinfo_t bootinfo;
55		55
56	/** Performs ppc32-specific initialization before main_bsp() is called. */	56	/** Performs ppc32-specific initialization before main_bsp() is called. */
57	void arch_pre_main(void)	57	void arch_pre_main(void)
58	{	58	{
59	init.cnt = bootinfo.taskmap.count;	59	init.cnt = bootinfo.taskmap.count;
60		60
61	uint32_t i;	61	uint32_t i;
62		62
63	for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {	63	for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {
64	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);	64	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
65	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	65	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
66	str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN,	66	str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN,
67	bootinfo.taskmap.tasks[i].name);	67	bootinfo.taskmap.tasks[i].name);
68	}	68	}
69	}	69	}
70		70
71	void arch_pre_mm_init(void)	71	void arch_pre_mm_init(void)
72	{	72	{
73	/* Initialize dispatch table */	73	/* Initialize dispatch table */
74	interrupt_init();	74	interrupt_init();
75		75
76	/* Start decrementer */	76	/* Start decrementer */
77	start_decrementer();	77	start_decrementer();
78	}	78	}
79		79
80	void arch_post_mm_init(void)	80	void arch_post_mm_init(void)
81	{	81	{
82	if (config.cpu_active == 1) {	82	if (config.cpu_active == 1) {
83		83
84	#ifdef CONFIG_FB	84	#ifdef CONFIG_FB
85	/* Initialize framebuffer */	85	/* Initialize framebuffer */
86	if (bootinfo.screen.addr) {	86	if (bootinfo.screen.addr) {
87	unsigned int visual;	87	unsigned int visual;
88		88
89	switch (bootinfo.screen.bpp) {	89	switch (bootinfo.screen.bpp) {
90	case 8:	90	case 8:
91	visual = VISUAL_INDIRECT_8;	91	visual = VISUAL_INDIRECT_8;
92	break;	92	break;
93	case 16:	93	case 16:
94	visual = VISUAL_RGB_5_5_5;	94	visual = VISUAL_RGB_5_5_5;
95	break;	95	break;
96	case 24:	96	case 24:
97	visual = VISUAL_RGB_8_8_8;	97	visual = VISUAL_RGB_8_8_8;
98	break;	98	break;
99	case 32:	99	case 32:
100	visual = VISUAL_RGB_0_8_8_8;	100	visual = VISUAL_RGB_0_8_8_8;
101	break;	101	break;
102	default:	102	default:
103	panic("Unsupported bits per pixel.");	103	panic("Unsupported bits per pixel.");
104	}	104	}
105	fb_properties_t prop = {	105	fb_properties_t prop = {
106	.addr = bootinfo.screen.addr,	106	.addr = bootinfo.screen.addr,
107	.offset = 0,	107	.offset = 0,
108	.x = bootinfo.screen.width,	108	.x = bootinfo.screen.width,
109	.y = bootinfo.screen.height,	109	.y = bootinfo.screen.height,
110	.scan = bootinfo.screen.scanline,	110	.scan = bootinfo.screen.scanline,
111	.visual = visual,	111	.visual = visual,
112	};	112	};
113	fb_init(&prop);	113	fb_init(&prop);
114	}	114	}
115	#endif	115	#endif
116		116
117	/* Initialize IRQ routing */	117	/* Initialize IRQ routing */
118	irq_init(IRQ_COUNT, IRQ_COUNT);	118	irq_init(IRQ_COUNT, IRQ_COUNT);
119		119
120	if (bootinfo.macio.addr) {	120	if (bootinfo.macio.addr) {
121	/* Initialize PIC */	121	/* Initialize PIC */
122	cir_t cir;	122	cir_t cir;
123	void *cir_arg;	123	void *cir_arg;
124	pic_init(bootinfo.macio.addr, PAGE_SIZE, &cir, &cir_arg);	124	pic_init(bootinfo.macio.addr, PAGE_SIZE, &cir, &cir_arg);
125		125
126	#ifdef CONFIG_VIA_CUDA	126	#ifdef CONFIG_VIA_CUDA
127	uintptr_t pa = bootinfo.macio.addr + 0x16000;	127	uintptr_t pa = bootinfo.macio.addr + 0x16000;
128	uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);	128	uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
129	size_t offset = pa - aligned_addr;	129	size_t offset = pa - aligned_addr;
130	size_t size = 2 * PAGE_SIZE;	130	size_t size = 2 * PAGE_SIZE;
131		131
132	cuda_t cuda = (cuda_t )	132	cuda_t cuda = (cuda_t )
133	(hw_map(aligned_addr, offset + size) + offset);	133	(hw_map(aligned_addr, offset + size) + offset);
134		134
135	/* Initialize I/O controller */	135	/* Initialize I/O controller */
136	cuda_instance_t *cuda_instance =	136	cuda_instance_t *cuda_instance =
137	cuda_init(cuda, IRQ_CUDA, cir, cir_arg);	137	cuda_init(cuda, IRQ_CUDA, cir, cir_arg);
138	if (cuda_instance) {	138	if (cuda_instance) {
139	indev_t *sink = stdin_wire();	139	indev_t *sink = stdin_wire();
140	cuda_wire(cuda_instance, sink);	140	cuda_wire(cuda_instance, sink);
141	}	141	}
142	#endif	142	#endif
143	}	143	}
144		144
145	/* Merge all zones to 1 big zone */	145	/* Merge all zones to 1 big zone */
146	zone_merge_all();	146	zone_merge_all();
147	}	147	}
148	}	148	}
149		149
150	void arch_post_cpu_init(void)	150	void arch_post_cpu_init(void)
151	{	151	{
152	}	152	}
153		153
154	void arch_pre_smp_init(void)	154	void arch_pre_smp_init(void)
155	{	155	{
156	}	156	}
157		157
158	void arch_post_smp_init(void)	158	void arch_post_smp_init(void)
159	{	159	{
160	}	160	}
161		161
162	void calibrate_delay_loop(void)	162	void calibrate_delay_loop(void)
163	{	163	{
164	}	164	}
165		165
166	void userspace(uspace_arg_t *kernel_uarg)	166	void userspace(uspace_arg_t *kernel_uarg)
167	{	167	{
168	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,	168	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,
169	(uintptr_t) kernel_uarg->uspace_stack +	169	(uintptr_t) kernel_uarg->uspace_stack +
170	THREAD_STACK_SIZE - SP_DELTA,	170	THREAD_STACK_SIZE - SP_DELTA,
171	(uintptr_t) kernel_uarg->uspace_entry);	171	(uintptr_t) kernel_uarg->uspace_entry);
172		172
173	/* Unreachable */	173	/* Unreachable */
174	while (true);	174	while (true);
175	}	175	}
176		176
177	/** Acquire console back for kernel	177	/** Acquire console back for kernel
178	*	178	*
179	*/	179	*/
180	void arch_grab_console(void)	180	void arch_grab_console(void)
181	{	181	{
182	#ifdef CONFIG_FB	182	#ifdef CONFIG_FB
183	fb_redraw();	183	fb_redraw();
184	#endif	184	#endif
185	}	185	}
186		186
187	/** Return console to userspace	187	/** Return console to userspace
188	*	188	*
189	*/	189	*/
190	void arch_release_console(void)	190	void arch_release_console(void)
191	{	191	{
192	}	192	}
193		193
194	/** Construct function pointer	194	/** Construct function pointer
195	*	195	*
196	* @param fptr function pointer structure	196	* @param fptr function pointer structure
197	* @param addr function address	197	* @param addr function address
198	* @param caller calling function address	198	* @param caller calling function address
199	*	199	*
200	* @return address of the function pointer	200	* @return address of the function pointer
201	*	201	*
202	*/	202	*/
203	void arch_construct_function(fncptr_t fptr, void addr, void caller)	203	void arch_construct_function(fncptr_t fptr, void addr, void caller)
204	{	204	{
205	return addr;	205	return addr;
206	}	206	}
207		207
208	void arch_reboot(void)	208	void arch_reboot(void)
209	{	209	{
210	// TODO	210	// TODO
211	while (1);	211	while (1);
212	}	212	}
213		213
214	/** @}	214	/** @}
215	*/	215	*/
216		216

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(root)/branches/snapshot/kernel/arch/ppc32/src/ppc32.c – Rev 4311 → 4605