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 <arch/pm.h>
 
#include <genarch/drivers/legacy/ia32/io.h>
#include <genarch/drivers/ega/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 <interrupt.h>
#include <ddi/irq.h>
#include <arch/debugger.h>
#include <proc/thread.h>
#include <syscall/syscall.h>
#include <console/console.h>
#include <ddi/device.h>
 
#ifdef CONFIG_SMP
#include <arch/smp/apic.h>
#endif
 
void arch_pre_mm_init(void)
{
    pm_init();
 
    if (config.cpu_active == 1) {
        interrupt_init();
        bios_init();
       
        /* PIC */
        i8259_init();
    }
}
 
void arch_post_mm_init(void)
{
    if (config.cpu_active == 1) {
        /* Initialize IRQ routing */
        irq_init(IRQ_COUNT, IRQ_COUNT);
       
        /* hard clock */
        i8254_init();
 
#ifdef CONFIG_FB
        if (vesa_present())
            vesa_init();
        else
#endif
            ega_init(EGA_BASE, EGA_VIDEORAM);   /* 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) {
#ifdef CONFIG_SMP
        acpi_init();
#endif /* CONFIG_SMP */
    }
}
 
void arch_post_smp_init(void)
{
    devno_t kbd = device_assign_devno();
    /* keyboard controller */
    (void) i8042_init((i8042_t *) I8042_BASE, kbd, IRQ_KBD);
}
 
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)
{
#ifdef CONFIG_FB
    vesa_redraw();
#else
    ega_redraw();
#endif
 
}
 
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
}
 
/** Construct function pointer
 *
 * @param fptr   function pointer structure
 * @param addr   function address
 * @param caller calling function address
 *
 * @return address of the function pointer
 *
 */
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
{
    return addr;
}
 
/** @}
 */
 

Rev 3963	Rev 3964
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		38
39	#include <arch/pm.h>	39	#include <arch/pm.h>
40		40
41	#include <genarch/drivers/legacy/ia32/io.h>	41	#include <genarch/drivers/legacy/ia32/io.h>
42	#include <genarch/drivers/ega/ega.h>	42	#include <genarch/drivers/ega/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 <interrupt.h>	58	#include <interrupt.h>
59	#include <ddi/irq.h>	59	#include <ddi/irq.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	#include <ddi/device.h>	64	#include <ddi/device.h>
65		65
66	#ifdef CONFIG_SMP	66	#ifdef CONFIG_SMP
67	#include <arch/smp/apic.h>	67	#include <arch/smp/apic.h>
68	#endif	68	#endif
69		69
70	void arch_pre_mm_init(void)	70	void arch_pre_mm_init(void)
71	{	71	{
72	pm_init();	72	pm_init();
73		73
74	if (config.cpu_active == 1) {	74	if (config.cpu_active == 1) {
75	interrupt_init();	75	interrupt_init();
76	bios_init();	76	bios_init();
77		77
78	/* PIC */	78	/* PIC */
79	i8259_init();	79	i8259_init();
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	/* Initialize IRQ routing */	86	/* Initialize IRQ routing */
87	irq_init(IRQ_COUNT, IRQ_COUNT);	87	irq_init(IRQ_COUNT, IRQ_COUNT);
88		88
89	/* hard clock */	89	/* hard clock */
90	i8254_init();	90	i8254_init();
91		91
92	#ifdef CONFIG_FB	92	#ifdef CONFIG_FB
93	if (vesa_present())	93	if (vesa_present())
94	vesa_init();	94	vesa_init();
95	else	95	else
96	#endif	96	#endif
97	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */	97	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */
98		98
99	/* Enable debugger */	99	/* Enable debugger */
100	debugger_init();	100	debugger_init();
101	/* Merge all memory zones to 1 big zone */	101	/* Merge all memory zones to 1 big zone */
102	zone_merge_all();	102	zone_merge_all();
103	}	103	}
104	}	104	}
105		105
106	void arch_post_cpu_init()	106	void arch_post_cpu_init()
107	{	107	{
108	#ifdef CONFIG_SMP	108	#ifdef CONFIG_SMP
109	if (config.cpu_active > 1) {	109	if (config.cpu_active > 1) {
110	l_apic_init();	110	l_apic_init();
111	l_apic_debug();	111	l_apic_debug();
112	}	112	}
113	#endif	113	#endif
114	}	114	}
115		115
116	void arch_pre_smp_init(void)	116	void arch_pre_smp_init(void)
117	{	117	{
118	if (config.cpu_active == 1) {	118	if (config.cpu_active == 1) {
119	#ifdef CONFIG_SMP	119	#ifdef CONFIG_SMP
120	acpi_init();	120	acpi_init();
121	#endif /* CONFIG_SMP */	121	#endif /* CONFIG_SMP */
122	}	122	}
123	}	123	}
124		124
125	void arch_post_smp_init(void)	125	void arch_post_smp_init(void)
126	{	126	{
127	devno_t kbd = device_assign_devno();	127	devno_t kbd = device_assign_devno();
128	/* keyboard controller */	128	/* keyboard controller */
129	(void) i8042_init((i8042_t *) I8042_BASE, kbd, IRQ_KBD);	129	(void) i8042_init((i8042_t *) I8042_BASE, kbd, IRQ_KBD);
130	}	130	}
131		131
132	void calibrate_delay_loop(void)	132	void calibrate_delay_loop(void)
133	{	133	{
134	i8254_calibrate_delay_loop();	134	i8254_calibrate_delay_loop();
135	if (config.cpu_active == 1) {	135	if (config.cpu_active == 1) {
136	/*	136	/*
137	* This has to be done only on UP.	137	* This has to be done only on UP.
138	* 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.
139	*/	139	*/
140	i8254_normal_operation();	140	i8254_normal_operation();
141	}	141	}
142	}	142	}
143		143
144	/** Set thread-local-storage pointer	144	/** Set thread-local-storage pointer
145	*	145	*
146	* 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
147	* selector, and the descriptor->base is the correct address.	147	* selector, and the descriptor->base is the correct address.
148	*/	148	*/
149	unative_t sys_tls_set(unative_t addr)	149	unative_t sys_tls_set(unative_t addr)
150	{	150	{
151	THREAD->arch.tls = addr;	151	THREAD->arch.tls = addr;
152	set_tls_desc(addr);	152	set_tls_desc(addr);
153		153
154	return 0;	154	return 0;
155	}	155	}
156		156
157	/** Acquire console back for kernel	157	/** Acquire console back for kernel
158	*	158	*
159	*/	159	*/
160	void arch_grab_console(void)	160	void arch_grab_console(void)
161	{	161	{
162	#ifdef CONFIG_FB	162	#ifdef CONFIG_FB
163	vesa_redraw();	163	vesa_redraw();
164	#else	164	#else
165	ega_redraw();	165	ega_redraw();
166	#endif	166	#endif
167		-
168	}	167	}
169		168
170	/** Return console to userspace	169	/** Return console to userspace
171	*	170	*
172	*/	171	*/
173	void arch_release_console(void)	172	void arch_release_console(void)
174	{	173	{
175	}	174	}
176		175
177	/** Construct function pointer	176	/** Construct function pointer
178	*	177	*
179	* @param fptr function pointer structure	178	* @param fptr function pointer structure
180	* @param addr function address	179	* @param addr function address
181	* @param caller calling function address	180	* @param caller calling function address
182	*	181	*
183	* @return address of the function pointer	182	* @return address of the function pointer
184	*	183	*
185	*/	184	*/
186	void arch_construct_function(fncptr_t fptr, void addr, void caller)	185	void arch_construct_function(fncptr_t fptr, void addr, void caller)
187	{	186	{
188	return addr;	187	return addr;
189	}	188	}
190		189
191	/** @}	190	/** @}
192	*/	191	*/
193		192

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ia32/src/ia32.c @ 2572 – Rev 3963 → 3964