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/vesa.h>
#include <genarch/i8042/i8042.h>
#include <arch/i8254.h>
#include <arch/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 1473	Rev 1474
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/vesa.h>
38	#include <genarch/i8042/i8042.h>	38	#include <genarch/i8042/i8042.h>
39	#include <arch/i8254.h>	39	#include <arch/i8254.h>
40	#include <arch/i8259.h>	40	#include <arch/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		58
58	void arch_pre_mm_init(void)	59	void arch_pre_mm_init(void)
59	{	60	{
60	pm_init();	61	pm_init();
61		62
62	if (config.cpu_active == 1) {	63	if (config.cpu_active == 1) {
63	bios_init();	64	bios_init();
64	i8259_init(); /* PIC */	65	i8259_init(); /* PIC */
65	i8254_init(); /* hard clock */	66	i8254_init(); /* hard clock */
66		67
67	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);	68	exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
68		69
69	#ifdef CONFIG_SMP	70	#ifdef CONFIG_SMP
70	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",	71	exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
71	(iroutine) tlb_shootdown_ipi);	72	(iroutine) tlb_shootdown_ipi);
72	#endif /* CONFIG_SMP */	73	#endif /* CONFIG_SMP */
73	}	74	}
74	}	75	}
75		76
76	void arch_post_mm_init(void)	77	void arch_post_mm_init(void)
77	{	78	{
78	if (config.cpu_active == 1) {	79	if (config.cpu_active == 1) {
79		80
80	#ifdef CONFIG_FB	81	#ifdef CONFIG_FB
81	if (vesa_present())	82	if (vesa_present())
82	vesa_init();	83	vesa_init();
83	else	84	else
84	#endif	85	#endif
85	ega_init(); /* video */	86	ega_init(); /* video */
86		87
87		88
88	/* Enable debugger */	89	/* Enable debugger */
89	debugger_init();	90	debugger_init();
90	/* Merge all memory zones to 1 big zone */	91	/* Merge all memory zones to 1 big zone */
91	zone_merge_all();	92	zone_merge_all();
92	}	93	}
93	}	94	}
94		95
95	void arch_pre_smp_init(void)	96	void arch_pre_smp_init(void)
96	{	97	{
97	if (config.cpu_active == 1) {	98	if (config.cpu_active == 1) {
98	memory_print_map();	99	memory_print_map();
99		100
100	#ifdef CONFIG_SMP	101	#ifdef CONFIG_SMP
101	acpi_init();	102	acpi_init();
102	#endif /* CONFIG_SMP */	103	#endif /* CONFIG_SMP */
103	}	104	}
104	}	105	}
105		106
106	void arch_post_smp_init(void)	107	void arch_post_smp_init(void)
107	{	108	{
108	i8042_init(); /* keyboard controller */	109	i8042_init(); /* keyboard controller */
109	}	110	}
110		111
111	void calibrate_delay_loop(void)	112	void calibrate_delay_loop(void)
112	{	113	{
113	i8254_calibrate_delay_loop();	114	i8254_calibrate_delay_loop();
114	if (config.cpu_active == 1) {	115	if (config.cpu_active == 1) {
115	/*	116	/*
116	* This has to be done only on UP.	117	* This has to be done only on UP.
117	* 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.
118	*/	119	*/
119	i8254_normal_operation();	120	i8254_normal_operation();
120	}	121	}
121	}	122	}
122		123
123	/** Set thread-local-storage pointer	124	/** Set thread-local-storage pointer
124	*	125	*
125	* 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
126	* selector, and the descriptor->base is the correct address.	127	* selector, and the descriptor->base is the correct address.
127	*/	128	*/
128	__native sys_tls_set(__native addr)	129	__native sys_tls_set(__native addr)
129	{	130	{
130	THREAD->arch.tls = addr;	131	THREAD->arch.tls = addr;
131	set_tls_desc(addr);	132	set_tls_desc(addr);
132		133
133	return 0;	134	return 0;
134	}	135	}
-		136
-		137	/** Acquire console back for kernel
-		138	*
-		139	*/
-		140	void arch_grab_console(void)
-		141	{
-		142	i8042_grab();
-		143	}
-		144	/** Return console to userspace
-		145	*
-		146	*/
-		147	void arch_release_console(void)
-		148	{
-		149	i8042_release();
-		150	}
135		151

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/ia32.c – Rev 1473 → 1474