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 <arch/debugger.h>
#include <proc/thread.h>
#include <syscall/syscall.h>
#include <console/console.h>
 
#ifdef CONFIG_SMP
#include <arch/smp/apic.h>
#endif
 
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) {
 
#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)
{
    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.
 */
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 1888	Rev 1901
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 <arch/debugger.h>	60	#include <arch/debugger.h>
61	#include <proc/thread.h>	61	#include <proc/thread.h>
62	#include <syscall/syscall.h>	62	#include <syscall/syscall.h>
63	#include <console/console.h>	63	#include <console/console.h>
64		64
-		65	#ifdef CONFIG_SMP
-		66	#include <arch/smp/apic.h>
-		67	#endif
-		68
65	void arch_pre_mm_init(void)	69	void arch_pre_mm_init(void)
66	{	70	{
67	pm_init();	71	pm_init();
68		72
69	if (config.cpu_active == 1) {	73	if (config.cpu_active == 1) {
70	bios_init();	74	bios_init();
71	i8259_init(); /* PIC */	75	i8259_init(); /* PIC */
72	i8254_init(); /* hard clock */	76	i8254_init(); /* hard clock */
73		77
74	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);	78	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
75		79
76	#ifdef CONFIG_SMP	80	#ifdef CONFIG_SMP
77	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",	81	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
78	(iroutine) tlb_shootdown_ipi);	82	(iroutine) tlb_shootdown_ipi);
79	#endif /* CONFIG_SMP */	83	#endif /* CONFIG_SMP */
80	}	84	}
81	}	85	}
82		86
83	void arch_post_mm_init(void)	87	void arch_post_mm_init(void)
84	{	88	{
85	if (config.cpu_active == 1) {	89	if (config.cpu_active == 1) {
86		90
87	#ifdef CONFIG_FB	91	#ifdef CONFIG_FB
88	if (vesa_present())	92	if (vesa_present())
89	vesa_init();	93	vesa_init();
90	else	94	else
91	#endif	95	#endif
92	ega_init(); /* video */	96	ega_init(); /* video */
93		97
94		98
95	/* Enable debugger */	99	/* Enable debugger */
96	debugger_init();	100	debugger_init();
97	/* Merge all memory zones to 1 big zone */	101	/* Merge all memory zones to 1 big zone */
98	zone_merge_all();	102	zone_merge_all();
99	}	103	}
100	}	104	}
-		105
-		106	void arch_post_cpu_init()
-		107	{
-		108	#ifdef CONFIG_SMP
-		109	if (config.cpu_active > 1) {
-		110	l_apic_init();
-		111	l_apic_debug();
-		112	}
-		113	#endif
-		114	}
101		115
102	void arch_pre_smp_init(void)	116	void arch_pre_smp_init(void)
103	{	117	{
104	if (config.cpu_active == 1) {	118	if (config.cpu_active == 1) {
105	memory_print_map();	119	memory_print_map();
106		120
107	#ifdef CONFIG_SMP	121	#ifdef CONFIG_SMP
108	acpi_init();	122	acpi_init();
109	#endif /* CONFIG_SMP */	123	#endif /* CONFIG_SMP */
110	}	124	}
111	}	125	}
112		126
113	void arch_post_smp_init(void)	127	void arch_post_smp_init(void)
114	{	128	{
115	i8042_init(); /* keyboard controller */	129	i8042_init(); /* keyboard controller */
116	}	130	}
117		131
118	void calibrate_delay_loop(void)	132	void calibrate_delay_loop(void)
119	{	133	{
120	i8254_calibrate_delay_loop();	134	i8254_calibrate_delay_loop();
121	if (config.cpu_active == 1) {	135	if (config.cpu_active == 1) {
122	/*	136	/*
123	* This has to be done only on UP.	137	* This has to be done only on UP.
124	* 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.
125	*/	139	*/
126	i8254_normal_operation();	140	i8254_normal_operation();
127	}	141	}
128	}	142	}
129		143
130	/** Set thread-local-storage pointer	144	/** Set thread-local-storage pointer
131	*	145	*
132	* 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
133	* selector, and the descriptor->base is the correct address.	147	* selector, and the descriptor->base is the correct address.
134	*/	148	*/
135	unative_t sys_tls_set(unative_t addr)	149	unative_t sys_tls_set(unative_t addr)
136	{	150	{
137	THREAD->arch.tls = addr;	151	THREAD->arch.tls = addr;
138	set_tls_desc(addr);	152	set_tls_desc(addr);
139		153
140	return 0;	154	return 0;
141	}	155	}
142		156
143	/** Acquire console back for kernel	157	/** Acquire console back for kernel
144	*	158	*
145	*/	159	*/
146	void arch_grab_console(void)	160	void arch_grab_console(void)
147	{	161	{
148	i8042_grab();	162	i8042_grab();
149	}	163	}
150	/** Return console to userspace	164	/** Return console to userspace
151	*	165	*
152	*/	166	*/
153	void arch_release_console(void)	167	void arch_release_console(void)
154	{	168	{
155	i8042_release();	169	i8042_release();
156	}	170	}
157		171
158	/** @}	172	/** @}
159	*/	173	*/
160		174

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(root)/trunk/kernel/arch/ia32/src/ia32.c @ 2071 – Rev 1888 → 1901