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 = 1;
    init.tasks[0].addr = PA2KA(bootinfo.init.addr);
    init.tasks[0].size = bootinfo.init.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)
{
}
 
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 1222	Rev 1274
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 = 1;	43	init.cnt = 1;
44	init.tasks[0].addr = PA2KA(bootinfo.init.addr);	44	init.tasks[0].addr = PA2KA(bootinfo.init.addr);
45	init.tasks[0].size = bootinfo.init.size;	45	init.tasks[0].size = bootinfo.init.size;
46	}	46	}
47		47
48	void arch_pre_mm_init(void)	48	void arch_pre_mm_init(void)
49	{	49	{
50	/* Initialize dispatch table */	50	/* Initialize dispatch table */
51	interrupt_init();	51	interrupt_init();
52		52
53	/* Start decrementer */	53	/* Start decrementer */
54	start_decrementer();	54	start_decrementer();
55		55
56	ppc32_console_init();	56	ppc32_console_init();
57	cuda_init();	57	cuda_init();
58	}	58	}
59		59
60	void arch_post_mm_init(void)	60	void arch_post_mm_init(void)
61	{	61	{
62	}	62	}
63		63
64	void arch_pre_smp_init(void)	64	void arch_pre_smp_init(void)
65	{	65	{
66	memory_print_map();	66	memory_print_map();
67	}	67	}
68		68
69	void arch_post_smp_init(void)	69	void arch_post_smp_init(void)
70	{	70	{
71	}	71	}
72		72
73	void calibrate_delay_loop(void)	73	void calibrate_delay_loop(void)
74	{	74	{
75	}	75	}
76		76
77	void userspace(uspace_arg_t *kernel_uarg)	77	void userspace(uspace_arg_t *kernel_uarg)
78	{	78	{
79	userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack, (__address) kernel_uarg->uspace_entry);	79	userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
80		80
81	/* Unreachable */	81	/* Unreachable */
82	for (;;)	82	for (;;)
83	;	83	;
84	}	84	}
85		85

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ppc32/src/ppc32.c – Rev 1222 → 1274