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 ia32
 * @ingroup others
 * @{
 */
/** @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.
 */
__native sys_tls_set(__native 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 1702	Rev 1704
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 ia32
30	* @ingroup others	30	* @ingroup others
31	* @{	31	* @{
32	*/	32	*/
33	/** @file	33	/** @file
34	*/	34	*/
35		35
36	#include <arch.h>	36	#include <arch.h>
37		37
38	#include <arch/types.h>	38	#include <arch/types.h>
39	#include <typedefs.h>	39	#include <typedefs.h>
40		40
41	#include <arch/pm.h>	41	#include <arch/pm.h>
42		42
43	#include <arch/drivers/ega.h>	43	#include <arch/drivers/ega.h>
44	#include <arch/drivers/vesa.h>	44	#include <arch/drivers/vesa.h>
45	#include <genarch/i8042/i8042.h>	45	#include <genarch/i8042/i8042.h>
46	#include <arch/drivers/i8254.h>	46	#include <arch/drivers/i8254.h>
47	#include <arch/drivers/i8259.h>	47	#include <arch/drivers/i8259.h>
48		48
49	#include <arch/context.h>	49	#include <arch/context.h>
50		50
51	#include <config.h>	51	#include <config.h>
52		52
53	#include <arch/interrupt.h>	53	#include <arch/interrupt.h>
54	#include <arch/asm.h>	54	#include <arch/asm.h>
55	#include <genarch/acpi/acpi.h>	55	#include <genarch/acpi/acpi.h>
56		56
57	#include <arch/bios/bios.h>	57	#include <arch/bios/bios.h>
58		58
59	#include <arch/mm/memory_init.h>	59	#include <arch/mm/memory_init.h>
60	#include <interrupt.h>	60	#include <interrupt.h>
61	#include <arch/debugger.h>	61	#include <arch/debugger.h>
62	#include <proc/thread.h>	62	#include <proc/thread.h>
63	#include <syscall/syscall.h>	63	#include <syscall/syscall.h>
64	#include <console/console.h>	64	#include <console/console.h>
65		65
66	void arch_pre_mm_init(void)	66	void arch_pre_mm_init(void)
67	{	67	{
68	pm_init();	68	pm_init();
69		69
70	if (config.cpu_active == 1) {	70	if (config.cpu_active == 1) {
71	bios_init();	71	bios_init();
72	i8259_init(); /* PIC */	72	i8259_init(); /* PIC */
73	i8254_init(); /* hard clock */	73	i8254_init(); /* hard clock */
74		74
75	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);	75	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
76		76
77	#ifdef CONFIG_SMP	77	#ifdef CONFIG_SMP
78	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",	78	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
79	(iroutine) tlb_shootdown_ipi);	79	(iroutine) tlb_shootdown_ipi);
80	#endif /* CONFIG_SMP */	80	#endif /* CONFIG_SMP */
81	}	81	}
82	}	82	}
83		83
84	void arch_post_mm_init(void)	84	void arch_post_mm_init(void)
85	{	85	{
86	if (config.cpu_active == 1) {	86	if (config.cpu_active == 1) {
87		87
88	#ifdef CONFIG_FB	88	#ifdef CONFIG_FB
89	if (vesa_present())	89	if (vesa_present())
90	vesa_init();	90	vesa_init();
91	else	91	else
92	#endif	92	#endif
93	ega_init(); /* video */	93	ega_init(); /* video */
94		94
95		95
96	/* Enable debugger */	96	/* Enable debugger */
97	debugger_init();	97	debugger_init();
98	/* Merge all memory zones to 1 big zone */	98	/* Merge all memory zones to 1 big zone */
99	zone_merge_all();	99	zone_merge_all();
100	}	100	}
101	}	101	}
102		102
103	void arch_pre_smp_init(void)	103	void arch_pre_smp_init(void)
104	{	104	{
105	if (config.cpu_active == 1) {	105	if (config.cpu_active == 1) {
106	memory_print_map();	106	memory_print_map();
107		107
108	#ifdef CONFIG_SMP	108	#ifdef CONFIG_SMP
109	acpi_init();	109	acpi_init();
110	#endif /* CONFIG_SMP */	110	#endif /* CONFIG_SMP */
111	}	111	}
112	}	112	}
113		113
114	void arch_post_smp_init(void)	114	void arch_post_smp_init(void)
115	{	115	{
116	i8042_init(); /* keyboard controller */	116	i8042_init(); /* keyboard controller */
117	}	117	}
118		118
119	void calibrate_delay_loop(void)	119	void calibrate_delay_loop(void)
120	{	120	{
121	i8254_calibrate_delay_loop();	121	i8254_calibrate_delay_loop();
122	if (config.cpu_active == 1) {	122	if (config.cpu_active == 1) {
123	/*	123	/*
124	* This has to be done only on UP.	124	* This has to be done only on UP.
125	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	125	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
126	*/	126	*/
127	i8254_normal_operation();	127	i8254_normal_operation();
128	}	128	}
129	}	129	}
130		130
131	/** Set thread-local-storage pointer	131	/** Set thread-local-storage pointer
132	*	132	*
133	* TLS pointer is set in GS register. That means, the GS contains	133	* TLS pointer is set in GS register. That means, the GS contains
134	* selector, and the descriptor->base is the correct address.	134	* selector, and the descriptor->base is the correct address.
135	*/	135	*/
136	__native sys_tls_set(__native addr)	136	__native sys_tls_set(__native addr)
137	{	137	{
138	THREAD->arch.tls = addr;	138	THREAD->arch.tls = addr;
139	set_tls_desc(addr);	139	set_tls_desc(addr);
140		140
141	return 0;	141	return 0;
142	}	142	}
143		143
144	/** Acquire console back for kernel	144	/** Acquire console back for kernel
145	*	145	*
146	*/	146	*/
147	void arch_grab_console(void)	147	void arch_grab_console(void)
148	{	148	{
149	i8042_grab();	149	i8042_grab();
150	}	150	}
151	/** Return console to userspace	151	/** Return console to userspace
152	*	152	*
153	*/	153	*/
154	void arch_release_console(void)	154	void arch_release_console(void)
155	{	155	{
156	i8042_release();	156	i8042_release();
157	}	157	}
158		158
159	/** @}	159	/** @}
160	*/	160	*/
161		161
162		162

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/ia32.c – Rev 1702 → 1704