WebSVN – HelenOS – Diff – /trunk/kernel/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.
 */
 
/** @addtogroup ia32
 * @{
 */
/** @file
 */
 
#include <arch.h>
 
#include <arch/types.h>
 
#include <arch/pm.h>
 
#include <arch/drivers/ega.h>
#include <arch/drivers/vesa.h>
#include <genarch/kbd/i8042.h>
#include <arch/drivers/i8254.h>
#include <arch/drivers/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 <interrupt.h>
#include <ddi/irq.h>
#include <arch/debugger.h>
#include <proc/thread.h>
#include <syscall/syscall.h>
#include <console/console.h>
#include <ddi/device.h>
 
#ifdef CONFIG_SMP
#include <arch/smp/apic.h>
#endif
 
void arch_pre_mm_init(void)
{
    pm_init();
 
    if (config.cpu_active == 1) {
        interrupt_init();
        bios_init();
       
        /* PIC */
        i8259_init();
    }
}
 
void arch_post_mm_init(void)
{
    if (config.cpu_active == 1) {
        /* Initialize IRQ routing */
        irq_init(IRQ_COUNT, IRQ_COUNT);
       
        /* hard clock */
        i8254_init();
 
#ifdef CONFIG_FB
        if (vesa_present())
            vesa_init();
        else
#endif
            ega_init(); /* video */
       
        /* Enable debugger */
        debugger_init();
        /* Merge all memory zones to 1 big zone */
        zone_merge_all();
    }
}
 
void arch_post_cpu_init()
{
#ifdef CONFIG_SMP
        if (config.cpu_active > 1) {
        l_apic_init();
        l_apic_debug();
    }
#endif
}
 
void arch_pre_smp_init(void)
{
    if (config.cpu_active == 1) {
#ifdef CONFIG_SMP
        acpi_init();
#endif /* CONFIG_SMP */
    }
}
 
void arch_post_smp_init(void)
{
    devno_t kbd = device_assign_devno();
    devno_t mouse = device_assign_devno();
    /* keyboard controller */
    i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);
}
 
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.
 */
unative_t sys_tls_set(unative_t addr)
{
    THREAD->arch.tls = addr;
    set_tls_desc(addr);
 
    return 0;
}
 
/** Acquire console back for kernel
 *
 */
void arch_grab_console(void)
{
    i8042_grab();
}
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
    i8042_release();
}
 
/** @}
 */
 

Rev 2723	Rev 2725
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	/** @addtogroup ia32	29	/** @addtogroup ia32
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch.h>	35	#include <arch.h>
36		36
37	#include <arch/types.h>	37	#include <arch/types.h>
38		38
39	#include <arch/pm.h>	39	#include <arch/pm.h>
40		40
41	#include <arch/drivers/ega.h>	41	#include <arch/drivers/ega.h>
42	#include <arch/drivers/vesa.h>	42	#include <arch/drivers/vesa.h>
43	#include <genarch/kbd/i8042.h>	43	#include <genarch/kbd/i8042.h>
44	#include <arch/drivers/i8254.h>	44	#include <arch/drivers/i8254.h>
45	#include <arch/drivers/i8259.h>	45	#include <arch/drivers/i8259.h>
46		46
47	#include <arch/context.h>	47	#include <arch/context.h>
48		48
49	#include <config.h>	49	#include <config.h>
50		50
51	#include <arch/interrupt.h>	51	#include <arch/interrupt.h>
52	#include <arch/asm.h>	52	#include <arch/asm.h>
53	#include <genarch/acpi/acpi.h>	53	#include <genarch/acpi/acpi.h>
54		54
55	#include <arch/bios/bios.h>	55	#include <arch/bios/bios.h>
56		56
57	#include <arch/mm/memory_init.h>	-
58	#include <interrupt.h>	57	#include <interrupt.h>
59	#include <ddi/irq.h>	58	#include <ddi/irq.h>
60	#include <arch/debugger.h>	59	#include <arch/debugger.h>
61	#include <proc/thread.h>	60	#include <proc/thread.h>
62	#include <syscall/syscall.h>	61	#include <syscall/syscall.h>
63	#include <console/console.h>	62	#include <console/console.h>
64	#include <ddi/device.h>	63	#include <ddi/device.h>
65		64
66	#ifdef CONFIG_SMP	65	#ifdef CONFIG_SMP
67	#include <arch/smp/apic.h>	66	#include <arch/smp/apic.h>
68	#endif	67	#endif
69		68
70	void arch_pre_mm_init(void)	69	void arch_pre_mm_init(void)
71	{	70	{
72	pm_init();	71	pm_init();
73		72
74	if (config.cpu_active == 1) {	73	if (config.cpu_active == 1) {
75	interrupt_init();	74	interrupt_init();
76	bios_init();	75	bios_init();
77		76
78	/* PIC */	77	/* PIC */
79	i8259_init();	78	i8259_init();
80	}	79	}
81	}	80	}
82		81
83	void arch_post_mm_init(void)	82	void arch_post_mm_init(void)
84	{	83	{
85	if (config.cpu_active == 1) {	84	if (config.cpu_active == 1) {
86	/* Initialize IRQ routing */	85	/* Initialize IRQ routing */
87	irq_init(IRQ_COUNT, IRQ_COUNT);	86	irq_init(IRQ_COUNT, IRQ_COUNT);
88		87
89	/* hard clock */	88	/* hard clock */
90	i8254_init();	89	i8254_init();
91		90
92	#ifdef CONFIG_FB	91	#ifdef CONFIG_FB
93	if (vesa_present())	92	if (vesa_present())
94	vesa_init();	93	vesa_init();
95	else	94	else
96	#endif	95	#endif
97	ega_init(); /* video */	96	ega_init(); /* video */
98		97
99	/* Enable debugger */	98	/* Enable debugger */
100	debugger_init();	99	debugger_init();
101	/* Merge all memory zones to 1 big zone */	100	/* Merge all memory zones to 1 big zone */
102	zone_merge_all();	101	zone_merge_all();
103	}	102	}
104	}	103	}
105		104
106	void arch_post_cpu_init()	105	void arch_post_cpu_init()
107	{	106	{
108	#ifdef CONFIG_SMP	107	#ifdef CONFIG_SMP
109	if (config.cpu_active > 1) {	108	if (config.cpu_active > 1) {
110	l_apic_init();	109	l_apic_init();
111	l_apic_debug();	110	l_apic_debug();
112	}	111	}
113	#endif	112	#endif
114	}	113	}
115		114
116	void arch_pre_smp_init(void)	115	void arch_pre_smp_init(void)
117	{	116	{
118	if (config.cpu_active == 1) {	117	if (config.cpu_active == 1) {
119	#ifdef CONFIG_SMP	118	#ifdef CONFIG_SMP
120	acpi_init();	119	acpi_init();
121	#endif /* CONFIG_SMP */	120	#endif /* CONFIG_SMP */
122	}	121	}
123	}	122	}
124		123
125	void arch_post_smp_init(void)	124	void arch_post_smp_init(void)
126	{	125	{
127	devno_t kbd = device_assign_devno();	126	devno_t kbd = device_assign_devno();
128	devno_t mouse = device_assign_devno();	127	devno_t mouse = device_assign_devno();
129	/* keyboard controller */	128	/* keyboard controller */
130	i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);	129	i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);
131	}	130	}
132		131
133	void calibrate_delay_loop(void)	132	void calibrate_delay_loop(void)
134	{	133	{
135	i8254_calibrate_delay_loop();	134	i8254_calibrate_delay_loop();
136	if (config.cpu_active == 1) {	135	if (config.cpu_active == 1) {
137	/*	136	/*
138	* This has to be done only on UP.	137	* This has to be done only on UP.
139	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	138	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
140	*/	139	*/
141	i8254_normal_operation();	140	i8254_normal_operation();
142	}	141	}
143	}	142	}
144		143
145	/** Set thread-local-storage pointer	144	/** Set thread-local-storage pointer
146	*	145	*
147	* TLS pointer is set in GS register. That means, the GS contains	146	* TLS pointer is set in GS register. That means, the GS contains
148	* selector, and the descriptor->base is the correct address.	147	* selector, and the descriptor->base is the correct address.
149	*/	148	*/
150	unative_t sys_tls_set(unative_t addr)	149	unative_t sys_tls_set(unative_t addr)
151	{	150	{
152	THREAD->arch.tls = addr;	151	THREAD->arch.tls = addr;
153	set_tls_desc(addr);	152	set_tls_desc(addr);
154		153
155	return 0;	154	return 0;
156	}	155	}
157		156
158	/** Acquire console back for kernel	157	/** Acquire console back for kernel
159	*	158	*
160	*/	159	*/
161	void arch_grab_console(void)	160	void arch_grab_console(void)
162	{	161	{
163	i8042_grab();	162	i8042_grab();
164	}	163	}
165	/** Return console to userspace	164	/** Return console to userspace
166	*	165	*
167	*/	166	*/
168	void arch_release_console(void)	167	void arch_release_console(void)
169	{	168	{
170	i8042_release();	169	i8042_release();
171	}	170	}
172		171
173	/** @}	172	/** @}
174	*/	173	*/
175		174

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ia32/src/ia32.c @ 2472 – Rev 2723 → 2725