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.
 */
 
#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 1474	Rev 1477
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	#include <arch.h>	29	#include <arch.h>
30		30
31	#include <arch/types.h>	31	#include <arch/types.h>
32	#include <typedefs.h>	32	#include <typedefs.h>
33		33
34	#include <arch/pm.h>	34	#include <arch/pm.h>
35		35
36	#include <arch/drivers/ega.h>	36	#include <arch/drivers/ega.h>
37	#include <arch/vesa.h>	37	#include <arch/drivers/vesa.h>
38	#include <genarch/i8042/i8042.h>	38	#include <genarch/i8042/i8042.h>
39	#include <arch/i8254.h>	39	#include <arch/drivers/i8254.h>
40	#include <arch/i8259.h>	40	#include <arch/drivers/i8259.h>
41		41
42	#include <arch/context.h>	42	#include <arch/context.h>
43		43
44	#include <config.h>	44	#include <config.h>
45		45
46	#include <arch/interrupt.h>	46	#include <arch/interrupt.h>
47	#include <arch/asm.h>	47	#include <arch/asm.h>
48	#include <genarch/acpi/acpi.h>	48	#include <genarch/acpi/acpi.h>
49		49
50	#include <arch/bios/bios.h>	50	#include <arch/bios/bios.h>
51		51
52	#include <arch/mm/memory_init.h>	52	#include <arch/mm/memory_init.h>
53	#include <interrupt.h>	53	#include <interrupt.h>
54	#include <arch/debugger.h>	54	#include <arch/debugger.h>
55	#include <proc/thread.h>	55	#include <proc/thread.h>
56	#include <syscall/syscall.h>	56	#include <syscall/syscall.h>
57	#include <console/console.h>	57	#include <console/console.h>
58		58
59	void arch_pre_mm_init(void)	59	void arch_pre_mm_init(void)
60	{	60	{
61	pm_init();	61	pm_init();
62		62
63	if (config.cpu_active == 1) {	63	if (config.cpu_active == 1) {
64	bios_init();	64	bios_init();
65	i8259_init(); /* PIC */	65	i8259_init(); /* PIC */
66	i8254_init(); /* hard clock */	66	i8254_init(); /* hard clock */
67		67
68	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);	68	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
69		69
70	#ifdef CONFIG_SMP	70	#ifdef CONFIG_SMP
71	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",	71	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
72	(iroutine) tlb_shootdown_ipi);	72	(iroutine) tlb_shootdown_ipi);
73	#endif /* CONFIG_SMP */	73	#endif /* CONFIG_SMP */
74	}	74	}
75	}	75	}
76		76
77	void arch_post_mm_init(void)	77	void arch_post_mm_init(void)
78	{	78	{
79	if (config.cpu_active == 1) {	79	if (config.cpu_active == 1) {
80		80
81	#ifdef CONFIG_FB	81	#ifdef CONFIG_FB
82	if (vesa_present())	82	if (vesa_present())
83	vesa_init();	83	vesa_init();
84	else	84	else
85	#endif	85	#endif
86	ega_init(); /* video */	86	ega_init(); /* video */
87		87
88		88
89	/* Enable debugger */	89	/* Enable debugger */
90	debugger_init();	90	debugger_init();
91	/* Merge all memory zones to 1 big zone */	91	/* Merge all memory zones to 1 big zone */
92	zone_merge_all();	92	zone_merge_all();
93	}	93	}
94	}	94	}
95		95
96	void arch_pre_smp_init(void)	96	void arch_pre_smp_init(void)
97	{	97	{
98	if (config.cpu_active == 1) {	98	if (config.cpu_active == 1) {
99	memory_print_map();	99	memory_print_map();
100		100
101	#ifdef CONFIG_SMP	101	#ifdef CONFIG_SMP
102	acpi_init();	102	acpi_init();
103	#endif /* CONFIG_SMP */	103	#endif /* CONFIG_SMP */
104	}	104	}
105	}	105	}
106		106
107	void arch_post_smp_init(void)	107	void arch_post_smp_init(void)
108	{	108	{
109	i8042_init(); /* keyboard controller */	109	i8042_init(); /* keyboard controller */
110	}	110	}
111		111
112	void calibrate_delay_loop(void)	112	void calibrate_delay_loop(void)
113	{	113	{
114	i8254_calibrate_delay_loop();	114	i8254_calibrate_delay_loop();
115	if (config.cpu_active == 1) {	115	if (config.cpu_active == 1) {
116	/*	116	/*
117	* This has to be done only on UP.	117	* This has to be done only on UP.
118	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	118	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
119	*/	119	*/
120	i8254_normal_operation();	120	i8254_normal_operation();
121	}	121	}
122	}	122	}
123		123
124	/** Set thread-local-storage pointer	124	/** Set thread-local-storage pointer
125	*	125	*
126	* TLS pointer is set in GS register. That means, the GS contains	126	* TLS pointer is set in GS register. That means, the GS contains
127	* selector, and the descriptor->base is the correct address.	127	* selector, and the descriptor->base is the correct address.
128	*/	128	*/
129	__native sys_tls_set(__native addr)	129	__native sys_tls_set(__native addr)
130	{	130	{
131	THREAD->arch.tls = addr;	131	THREAD->arch.tls = addr;
132	set_tls_desc(addr);	132	set_tls_desc(addr);
133		133
134	return 0;	134	return 0;
135	}	135	}
136		136
137	/** Acquire console back for kernel	137	/** Acquire console back for kernel
138	*	138	*
139	*/	139	*/
140	void arch_grab_console(void)	140	void arch_grab_console(void)
141	{	141	{
142	i8042_grab();	142	i8042_grab();
143	}	143	}
144	/** Return console to userspace	144	/** Return console to userspace
145	*	145	*
146	*/	146	*/
147	void arch_release_console(void)	147	void arch_release_console(void)
148	{	148	{
149	i8042_release();	149	i8042_release();
150	}	150	}
151		151

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/ia32.c @ 1702 – Rev 1474 → 1477