WebSVN – HelenOS-historic – Diff – /kernel/trunk/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.
 */
 
#include <arch.h>
#include <arch/boot/boot.h>
#include <arch/console.h>
#include <arch/drivers/cuda.h>
#include <arch/mm/memory_init.h>
#include <arch/interrupt.h>
#include <userspace.h>
#include <proc/uarg.h>
 
bootinfo_t bootinfo;
 
void arch_pre_main(void)
{
    /* Setup usermode */
    init.cnt = bootinfo.taskmap.count;
   
    __u32 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();
 
    ppc32_console_init();
    cuda_init();
}
 
void arch_post_mm_init(void)
{
    if (config.cpu_active == 1) {
        /* Merge all zones to 1 big zone */
        zone_merge_all();
       
        ppc32_console_register();
    }
}
 
void arch_pre_smp_init(void)
{
    memory_print_map();
}
 
void arch_post_smp_init(void)
{
}
 
void calibrate_delay_loop(void)
{
}
 
void userspace(uspace_arg_t *kernel_uarg)
{
    userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
   
    /* Unreachable */
    for (;;)
        ;
}
 

Rev 1327	Rev 1370
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	#include <arch.h>	29	#include <arch.h>
30	#include <arch/boot/boot.h>	30	#include <arch/boot/boot.h>
31	#include <arch/console.h>	31	#include <arch/console.h>
32	#include <arch/drivers/cuda.h>	32	#include <arch/drivers/cuda.h>
33	#include <arch/mm/memory_init.h>	33	#include <arch/mm/memory_init.h>
34	#include <arch/interrupt.h>	34	#include <arch/interrupt.h>
35	#include <userspace.h>	35	#include <userspace.h>
36	#include <proc/uarg.h>	36	#include <proc/uarg.h>
37		37
38	bootinfo_t bootinfo;	38	bootinfo_t bootinfo;
39		39
40	void arch_pre_main(void)	40	void arch_pre_main(void)
41	{	41	{
42	/* Setup usermode */	42	/* Setup usermode */
-		43	init.cnt = bootinfo.taskmap.count;
-		44
43	init.cnt = 1;	45	__u32 i;
-		46
-		47	for (i = 0; i < bootinfo.taskmap.count; i++) {
44	init.tasks[0].addr = PA2KA(bootinfo.init.addr);	48	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
45	init.tasks[0].size = bootinfo.init.size;	49	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
-		50	}
46	}	51	}
47		52
48	void arch_pre_mm_init(void)	53	void arch_pre_mm_init(void)
49	{	54	{
50	/* Initialize dispatch table */	55	/* Initialize dispatch table */
51	interrupt_init();	56	interrupt_init();
52		57
53	/* Start decrementer */	58	/* Start decrementer */
54	start_decrementer();	59	start_decrementer();
55		60
56	ppc32_console_init();	61	ppc32_console_init();
57	cuda_init();	62	cuda_init();
58	}	63	}
59		64
60	void arch_post_mm_init(void)	65	void arch_post_mm_init(void)
61	{	66	{
62	if (config.cpu_active == 1) {	67	if (config.cpu_active == 1) {
63	/* Merge all zones to 1 big zone */	68	/* Merge all zones to 1 big zone */
64	zone_merge_all();	69	zone_merge_all();
65		70
66	ppc32_console_register();	71	ppc32_console_register();
67	}	72	}
68	}	73	}
69		74
70	void arch_pre_smp_init(void)	75	void arch_pre_smp_init(void)
71	{	76	{
72	memory_print_map();	77	memory_print_map();
73	}	78	}
74		79
75	void arch_post_smp_init(void)	80	void arch_post_smp_init(void)
76	{	81	{
77	}	82	}
78		83
79	void calibrate_delay_loop(void)	84	void calibrate_delay_loop(void)
80	{	85	{
81	}	86	}
82		87
83	void userspace(uspace_arg_t *kernel_uarg)	88	void userspace(uspace_arg_t *kernel_uarg)
84	{	89	{
85	userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);	90	userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
86		91
87	/* Unreachable */	92	/* Unreachable */
88	for (;;)	93	for (;;)
89	;	94	;
90	}	95	}
91		96

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ppc32/src/ppc32.c – Rev 1327 → 1370