WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/ia32/src/ia32.c


/*
 * Copyright (C) 2001-2004 Jakub Jermar
 * 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/types.h>
#include <typedefs.h>
 
#include <arch/pm.h>
 
#include <arch/ega.h>
#include <genarch/i8042/i8042.h>
#include <arch/i8254.h>
#include <arch/i8259.h>
 
#include <arch/context.h>
 
#include <config.h>
 
#include <arch/interrupt.h>
#include <arch/asm.h>
#include <genarch/acpi/acpi.h>
 
#include <arch/bios/bios.h>
 
#include <arch/mm/memory_init.h>
#include <interrupt.h>
#include <arch/debugger.h>
#include <proc/thread.h>
#include <syscall/syscall.h>
 
void arch_pre_mm_init(void)
{
    pm_init();
 
    if (config.cpu_active == 1) {
        bios_init();
        i8259_init();   /* PIC */
        i8254_init();   /* hard clock */
       
        exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
       
        #ifdef CONFIG_SMP
        exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
                 (iroutine) tlb_shootdown_ipi);
        #endif /* CONFIG_SMP */
    }
}
 
void arch_post_mm_init(void)
{
    if (config.cpu_active == 1) {
        ega_init(); /* video */
        /* Enable debugger */
        debugger_init();
    }
}
 
void arch_pre_smp_init(void)
{
    if (config.cpu_active == 1) {
        memory_print_map();
       
        #ifdef CONFIG_SMP
        acpi_init();
        #endif /* CONFIG_SMP */
    }
}
 
void arch_post_smp_init(void)
{
    i8042_init();   /* keyboard controller */
}
 
void calibrate_delay_loop(void)
{
    i8254_calibrate_delay_loop();
    if (config.cpu_active == 1) {
        /*
         * This has to be done only on UP.
         * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
         */
        i8254_normal_operation();
    }
}
 
/** Set thread-local-storage pointer
 *
 * TLS pointer is set in GS register. That means, the GS contains
 * selector, and the descriptor->base is the correct address.
 */
__native sys_tls_set(__native addr)
{
    THREAD->arch.tls = addr;
    set_tls_desc(addr);
 
    return 0;
}
 

Rev 1121	Rev 1184
1	/*	1	/*
2	* Copyright (C) 2001-2004 Jakub Jermar	2	* Copyright (C) 2001-2004 Jakub Jermar
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		30
31	#include <arch/types.h>	31	#include <arch/types.h>
32	#include <typedefs.h>	32	#include <typedefs.h>
33		33
34	#include <arch/pm.h>	34	#include <arch/pm.h>
35		35
36	#include <arch/ega.h>	36	#include <arch/ega.h>
37	#include <genarch/i8042/i8042.h>	37	#include <genarch/i8042/i8042.h>
38	#include <arch/i8254.h>	38	#include <arch/i8254.h>
39	#include <arch/i8259.h>	39	#include <arch/i8259.h>
40		40
41	#include <arch/context.h>	41	#include <arch/context.h>
42		42
43	#include <config.h>	43	#include <config.h>
44		44
45	#include <arch/interrupt.h>	45	#include <arch/interrupt.h>
46	#include <arch/asm.h>	46	#include <arch/asm.h>
47	#include <genarch/acpi/acpi.h>	47	#include <genarch/acpi/acpi.h>
48		48
49	#include <arch/bios/bios.h>	49	#include <arch/bios/bios.h>
50		50
51	#include <arch/mm/memory_init.h>	51	#include <arch/mm/memory_init.h>
52	#include <interrupt.h>	52	#include <interrupt.h>
53	#include <arch/debugger.h>	53	#include <arch/debugger.h>
54	#include <proc/thread.h>	54	#include <proc/thread.h>
55	#include <syscall/syscall.h>	55	#include <syscall/syscall.h>
56		56
57	void arch_pre_mm_init(void)	57	void arch_pre_mm_init(void)
58	{	58	{
59	pm_init();	59	pm_init();
60		60
61	if (config.cpu_active == 1) {	61	if (config.cpu_active == 1) {
62	bios_init();	62	bios_init();
63	i8259_init(); /* PIC */	63	i8259_init(); /* PIC */
64	i8254_init(); /* hard clock */	64	i8254_init(); /* hard clock */
65		65
66	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);	66	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
67		67
68	#ifdef CONFIG_SMP	68	#ifdef CONFIG_SMP
69	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",	69	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
70	(iroutine) tlb_shootdown_ipi);	70	(iroutine) tlb_shootdown_ipi);
71	#endif /* CONFIG_SMP */	71	#endif /* CONFIG_SMP */
72	}	72	}
73	}	73	}
74		74
75	void arch_post_mm_init(void)	75	void arch_post_mm_init(void)
76	{	76	{
77	if (config.cpu_active == 1) {	77	if (config.cpu_active == 1) {
78	ega_init(); /* video */	78	ega_init(); /* video */
79	/* Enable debugger */	79	/* Enable debugger */
80	debugger_init();	80	debugger_init();
81	}	81	}
82	}	82	}
83		83
84	void arch_pre_smp_init(void)	84	void arch_pre_smp_init(void)
85	{	85	{
86	if (config.cpu_active == 1) {	86	if (config.cpu_active == 1) {
87	memory_print_map();	87	memory_print_map();
88		88
89	#ifdef CONFIG_SMP	89	#ifdef CONFIG_SMP
90	acpi_init();	90	acpi_init();
91	#endif /* CONFIG_SMP */	91	#endif /* CONFIG_SMP */
92	}	92	}
93	}	93	}
94		94
95	void arch_post_smp_init(void)	95	void arch_post_smp_init(void)
96	{	96	{
97	i8042_init(); /* keyboard controller */	97	i8042_init(); /* keyboard controller */
98	}	98	}
99		99
100	void calibrate_delay_loop(void)	100	void calibrate_delay_loop(void)
101	{	101	{
102	i8254_calibrate_delay_loop();	102	i8254_calibrate_delay_loop();
103	if (config.cpu_active == 1) {	103	if (config.cpu_active == 1) {
104	/*	104	/*
105	* This has to be done only on UP.	105	* This has to be done only on UP.
106	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	106	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
107	*/	107	*/
108	i8254_normal_operation();	108	i8254_normal_operation();
109	}	109	}
110	}	110	}
111		111
112	/** Set thread-local-storage pointer	112	/** Set thread-local-storage pointer
113	*	113	*
114	* TLS pointer is set in GS register. That means, the GS contains	114	* TLS pointer is set in GS register. That means, the GS contains
115	* selector, and the descriptor->base is the correct address.	115	* selector, and the descriptor->base is the correct address.
116	*/	116	*/
117	__native sys_tls_set(__native addr)	117	__native sys_tls_set(__native addr)
118	{	118	{
119	THREAD->tls = addr;	119	THREAD->arch.tls = addr;
120	set_tls_desc(addr);	120	set_tls_desc(addr);
121		121
122	return 0;	122	return 0;
123	}	123	}
124		124

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/ia32.c @ 1780 – Rev 1121 → 1184