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 <typedefs.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 <arch/mm/memory_init.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) {
        memory_print_map();
       
        #ifdef CONFIG_SMP
        acpi_init();
        #endif /* CONFIG_SMP */
    }
}
 
void arch_post_smp_init(void)
{
    /* keyboard controller */
    i8042_init(device_assign_devno(), IRQ_KBD);
}
 
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 1901	Rev 1956
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	#include <typedefs.h>	38	#include <typedefs.h>
39		39
40	#include <arch/pm.h>	40	#include <arch/pm.h>
41		41
42	#include <arch/drivers/ega.h>	42	#include <arch/drivers/ega.h>
43	#include <arch/drivers/vesa.h>	43	#include <arch/drivers/vesa.h>
44	#include <genarch/kbd/i8042.h>	44	#include <genarch/kbd/i8042.h>
45	#include <arch/drivers/i8254.h>	45	#include <arch/drivers/i8254.h>
46	#include <arch/drivers/i8259.h>	46	#include <arch/drivers/i8259.h>
47		47
48	#include <arch/context.h>	48	#include <arch/context.h>
49		49
50	#include <config.h>	50	#include <config.h>
51		51
52	#include <arch/interrupt.h>	52	#include <arch/interrupt.h>
53	#include <arch/asm.h>	53	#include <arch/asm.h>
54	#include <genarch/acpi/acpi.h>	54	#include <genarch/acpi/acpi.h>
55		55
56	#include <arch/bios/bios.h>	56	#include <arch/bios/bios.h>
57		57
58	#include <arch/mm/memory_init.h>	58	#include <arch/mm/memory_init.h>
59	#include <interrupt.h>	59	#include <interrupt.h>
-		60	#include <ddi/irq.h>
60	#include <arch/debugger.h>	61	#include <arch/debugger.h>
61	#include <proc/thread.h>	62	#include <proc/thread.h>
62	#include <syscall/syscall.h>	63	#include <syscall/syscall.h>
63	#include <console/console.h>	64	#include <console/console.h>
-		65	#include <ddi/device.h>
64		66
65	#ifdef CONFIG_SMP	67	#ifdef CONFIG_SMP
66	#include <arch/smp/apic.h>	68	#include <arch/smp/apic.h>
67	#endif	69	#endif
68		70
69	void arch_pre_mm_init(void)	71	void arch_pre_mm_init(void)
70	{	72	{
71	pm_init();	73	pm_init();
72		74
73	if (config.cpu_active == 1) {	75	if (config.cpu_active == 1) {
-		76	interrupt_init();
74	bios_init();	77	bios_init();
75	i8259_init(); /* PIC */	-
76	i8254_init(); /* hard clock */	-
77		78
78	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);	-
79		-
80	#ifdef CONFIG_SMP	79	/* PIC */
81	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",	-
82	(iroutine) tlb_shootdown_ipi);	-
83	#endif /* CONFIG_SMP */	80	i8259_init();
84	}	81	}
85	}	82	}
86		83
87	void arch_post_mm_init(void)	84	void arch_post_mm_init(void)
88	{	85	{
89	if (config.cpu_active == 1) {	86	if (config.cpu_active == 1) {
-		87	/* Initialize IRQ routing */
-		88	irq_init(IRQ_COUNT, IRQ_COUNT);
-		89
-		90	/* hard clock */
-		91	i8254_init();
90		92
91	#ifdef CONFIG_FB	93	#ifdef CONFIG_FB
92	if (vesa_present())	94	if (vesa_present())
93	vesa_init();	95	vesa_init();
94	else	96	else
95	#endif	97	#endif
96	ega_init(); /* video */	98	ega_init(); /* video */
97		99
98		-
99	/* Enable debugger */	100	/* Enable debugger */
100	debugger_init();	101	debugger_init();
101	/* Merge all memory zones to 1 big zone */	102	/* Merge all memory zones to 1 big zone */
102	zone_merge_all();	103	zone_merge_all();
103	}	104	}
104	}	105	}
105		106
106	void arch_post_cpu_init()	107	void arch_post_cpu_init()
107	{	108	{
108	#ifdef CONFIG_SMP	109	#ifdef CONFIG_SMP
109	if (config.cpu_active > 1) {	110	if (config.cpu_active > 1) {
110	l_apic_init();	111	l_apic_init();
111	l_apic_debug();	112	l_apic_debug();
112	}	113	}
113	#endif	114	#endif
114	}	115	}
115		116
116	void arch_pre_smp_init(void)	117	void arch_pre_smp_init(void)
117	{	118	{
118	if (config.cpu_active == 1) {	119	if (config.cpu_active == 1) {
119	memory_print_map();	120	memory_print_map();
120		121
121	#ifdef CONFIG_SMP	122	#ifdef CONFIG_SMP
122	acpi_init();	123	acpi_init();
123	#endif /* CONFIG_SMP */	124	#endif /* CONFIG_SMP */
124	}	125	}
125	}	126	}
126		127
127	void arch_post_smp_init(void)	128	void arch_post_smp_init(void)
128	{	129	{
129	i8042_init(); /* keyboard controller */	130	/* keyboard controller */
-		131	i8042_init(device_assign_devno(), IRQ_KBD);
130	}	132	}
131		133
132	void calibrate_delay_loop(void)	134	void calibrate_delay_loop(void)
133	{	135	{
134	i8254_calibrate_delay_loop();	136	i8254_calibrate_delay_loop();
135	if (config.cpu_active == 1) {	137	if (config.cpu_active == 1) {
136	/*	138	/*
137	* This has to be done only on UP.	139	* This has to be done only on UP.
138	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	140	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
139	*/	141	*/
140	i8254_normal_operation();	142	i8254_normal_operation();
141	}	143	}
142	}	144	}
143		145
144	/** Set thread-local-storage pointer	146	/** Set thread-local-storage pointer
145	*	147	*
146	* TLS pointer is set in GS register. That means, the GS contains	148	* TLS pointer is set in GS register. That means, the GS contains
147	* selector, and the descriptor->base is the correct address.	149	* selector, and the descriptor->base is the correct address.
148	*/	150	*/
149	unative_t sys_tls_set(unative_t addr)	151	unative_t sys_tls_set(unative_t addr)
150	{	152	{
151	THREAD->arch.tls = addr;	153	THREAD->arch.tls = addr;
152	set_tls_desc(addr);	154	set_tls_desc(addr);
153		155
154	return 0;	156	return 0;
155	}	157	}
156		158
157	/** Acquire console back for kernel	159	/** Acquire console back for kernel
158	*	160	*
159	*/	161	*/
160	void arch_grab_console(void)	162	void arch_grab_console(void)
161	{	163	{
162	i8042_grab();	164	i8042_grab();
163	}	165	}
164	/** Return console to userspace	166	/** Return console to userspace
165	*	167	*
166	*/	168	*/
167	void arch_release_console(void)	169	void arch_release_console(void)
168	{	170	{
169	i8042_release();	171	i8042_release();
170	}	172	}
171		173
172	/** @}	174	/** @}
173	*/	175	*/
174		176

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(root)/trunk/kernel/arch/ia32/src/ia32.c @ 2071 – Rev 1901 → 1956