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.
 */
 
 /** @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/i8042/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>
 
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_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 1705	Rev 1780
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/i8042/i8042.h>	44	#include <genarch/i8042/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	void arch_pre_mm_init(void)	65	void arch_pre_mm_init(void)
66	{	66	{
67	pm_init();	67	pm_init();
68		68
69	if (config.cpu_active == 1) {	69	if (config.cpu_active == 1) {
70	bios_init();	70	bios_init();
71	i8259_init(); /* PIC */	71	i8259_init(); /* PIC */
72	i8254_init(); /* hard clock */	72	i8254_init(); /* hard clock */
73		73
74	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);	74	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
75		75
76	#ifdef CONFIG_SMP	76	#ifdef CONFIG_SMP
77	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",	77	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
78	(iroutine) tlb_shootdown_ipi);	78	(iroutine) tlb_shootdown_ipi);
79	#endif /* CONFIG_SMP */	79	#endif /* CONFIG_SMP */
80	}	80	}
81	}	81	}
82		82
83	void arch_post_mm_init(void)	83	void arch_post_mm_init(void)
84	{	84	{
85	if (config.cpu_active == 1) {	85	if (config.cpu_active == 1) {
86		86
87	#ifdef CONFIG_FB	87	#ifdef CONFIG_FB
88	if (vesa_present())	88	if (vesa_present())
89	vesa_init();	89	vesa_init();
90	else	90	else
91	#endif	91	#endif
92	ega_init(); /* video */	92	ega_init(); /* video */
93		93
94		94
95	/* Enable debugger */	95	/* Enable debugger */
96	debugger_init();	96	debugger_init();
97	/* Merge all memory zones to 1 big zone */	97	/* Merge all memory zones to 1 big zone */
98	zone_merge_all();	98	zone_merge_all();
99	}	99	}
100	}	100	}
101		101
102	void arch_pre_smp_init(void)	102	void arch_pre_smp_init(void)
103	{	103	{
104	if (config.cpu_active == 1) {	104	if (config.cpu_active == 1) {
105	memory_print_map();	105	memory_print_map();
106		106
107	#ifdef CONFIG_SMP	107	#ifdef CONFIG_SMP
108	acpi_init();	108	acpi_init();
109	#endif /* CONFIG_SMP */	109	#endif /* CONFIG_SMP */
110	}	110	}
111	}	111	}
112		112
113	void arch_post_smp_init(void)	113	void arch_post_smp_init(void)
114	{	114	{
115	i8042_init(); /* keyboard controller */	115	i8042_init(); /* keyboard controller */
116	}	116	}
117		117
118	void calibrate_delay_loop(void)	118	void calibrate_delay_loop(void)
119	{	119	{
120	i8254_calibrate_delay_loop();	120	i8254_calibrate_delay_loop();
121	if (config.cpu_active == 1) {	121	if (config.cpu_active == 1) {
122	/*	122	/*
123	* This has to be done only on UP.	123	* This has to be done only on UP.
124	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	124	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
125	*/	125	*/
126	i8254_normal_operation();	126	i8254_normal_operation();
127	}	127	}
128	}	128	}
129		129
130	/** Set thread-local-storage pointer	130	/** Set thread-local-storage pointer
131	*	131	*
132	* TLS pointer is set in GS register. That means, the GS contains	132	* TLS pointer is set in GS register. That means, the GS contains
133	* selector, and the descriptor->base is the correct address.	133	* selector, and the descriptor->base is the correct address.
134	*/	134	*/
135	__native sys_tls_set(__native addr)	135	unative_t sys_tls_set(unative_t addr)
136	{	136	{
137	THREAD->arch.tls = addr;	137	THREAD->arch.tls = addr;
138	set_tls_desc(addr);	138	set_tls_desc(addr);
139		139
140	return 0;	140	return 0;
141	}	141	}
142		142
143	/** Acquire console back for kernel	143	/** Acquire console back for kernel
144	*	144	*
145	*/	145	*/
146	void arch_grab_console(void)	146	void arch_grab_console(void)
147	{	147	{
148	i8042_grab();	148	i8042_grab();
149	}	149	}
150	/** Return console to userspace	150	/** Return console to userspace
151	*	151	*
152	*/	152	*/
153	void arch_release_console(void)	153	void arch_release_console(void)
154	{	154	{
155	i8042_release();	155	i8042_release();
156	}	156	}
157		157
158	/** @}	158	/** @}
159	*/	159	*/
160		160
161		161

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/ia32.c – Rev 1705 → 1780