WebSVN – HelenOS – Diff – /trunk/kernel/arch/ia32/src/ia32.c


/*
 * Copyright (c) 2001-2004 Jakub Jermar
 * Copyright (c) 2009 Jiri Svoboda
 * Copyright (c) 2009 Martin Decky
 * 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/multiboot/multiboot.h>
#include <genarch/drivers/legacy/ia32/io.h>
#include <genarch/drivers/ega/ega.h>
#include <arch/drivers/vesa.h>
#include <genarch/drivers/i8042/i8042.h>
#include <genarch/kbrd/kbrd.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>
#include <sysinfo/sysinfo.h>
#include <arch/boot/boot.h>
 
#ifdef CONFIG_SMP
#include <arch/smp/apic.h>
#endif
 
/** Perform ia32-specific initialization before main_bsp() is called.
 *
 * @param signature Should contain the multiboot signature.
 * @param mi        Pointer to the multiboot information structure.
 */
void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
{
    /* Parse multiboot information obtained from the bootloader. */
    multiboot_info_parse(signature, mi);   
   
#ifdef CONFIG_SMP
    /* Copy AP bootstrap routines below 1 MB. */
    memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET,
        (size_t) &_hardcoded_unmapped_size);
#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
#ifdef CONFIG_EGA
            ega_init(EGA_BASE, EGA_VIDEORAM);  /* video */
#else
            {}
#endif
       
        /* 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 devno = device_assign_devno();
 
    /*
     * Initialize the keyboard module and conect it to stdin. Then
     * initialize the i8042 controller and connect it to kbrdin. Enable
     * keyboard interrupts.
     */
    kbrd_init(stdin);
    (void) i8042_init((i8042_t *) I8042_BASE, devno, IRQ_KBD, &kbrdin);
    trap_virtual_enable_irqs(1 << IRQ_KBD);
 
    /*
     * This is the necessary evil until the userspace driver is entirely
     * self-sufficient.
     */
    sysinfo_set_item_val("kbd", NULL, true);
    sysinfo_set_item_val("kbd.devno", NULL, devno);
    sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
    sysinfo_set_item_val("kbd.address.physical", NULL,
        (uintptr_t) I8042_BASE);
    sysinfo_set_item_val("kbd.address.kernel", NULL,
        (uintptr_t) I8042_BASE);
}
 
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 4042	Rev 4057
1	/*	1	/*
2	* Copyright (c) 2001-2004 Jakub Jermar	2	* Copyright (c) 2001-2004 Jakub Jermar
3	* Copyright (c) 2009 Jiri Svoboda	3	* Copyright (c) 2009 Jiri Svoboda
4	* Copyright (c) 2009 Martin Decky	4	* Copyright (c) 2009 Martin Decky
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without	7	* Redistribution and use in source and binary forms, with or without
8	* modification, are permitted provided that the following conditions	8	* modification, are permitted provided that the following conditions
9	* are met:	9	* are met:
10	*	10	*
11	* - Redistributions of source code must retain the above copyright	11	* - Redistributions of source code must retain the above copyright
12	* notice, this list of conditions and the following disclaimer.	12	* notice, this list of conditions and the following disclaimer.
13	* - Redistributions in binary form must reproduce the above copyright	13	* - Redistributions in binary form must reproduce the above copyright
14	* notice, this list of conditions and the following disclaimer in the	14	* notice, this list of conditions and the following disclaimer in the
15	* documentation and/or other materials provided with the distribution.	15	* documentation and/or other materials provided with the distribution.
16	* - The name of the author may not be used to endorse or promote products	16	* - The name of the author may not be used to endorse or promote products
17	* derived from this software without specific prior written permission.	17	* derived from this software without specific prior written permission.
18	*	18	*
19	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	19	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	20	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	21	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	22	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	23	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	24	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	25	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	26	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	27	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	28	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29	*/	29	*/
30		30
31	/** @addtogroup ia32	31	/** @addtogroup ia32
32	* @{	32	* @{
33	*/	33	*/
34	/** @file	34	/** @file
35	*/	35	*/
36		36
37	#include <arch.h>	37	#include <arch.h>
38		38
39	#include <arch/types.h>	39	#include <arch/types.h>
40		40
41	#include <arch/pm.h>	41	#include <arch/pm.h>
42		42
43	#include <genarch/multiboot/multiboot.h>	43	#include <genarch/multiboot/multiboot.h>
44	#include <genarch/drivers/legacy/ia32/io.h>	44	#include <genarch/drivers/legacy/ia32/io.h>
45	#include <genarch/drivers/ega/ega.h>	45	#include <genarch/drivers/ega/ega.h>
46	#include <arch/drivers/vesa.h>	46	#include <arch/drivers/vesa.h>
47	#include <genarch/drivers/i8042/i8042.h>	47	#include <genarch/drivers/i8042/i8042.h>
48	#include <genarch/kbrd/kbrd.h>	48	#include <genarch/kbrd/kbrd.h>
49	#include <arch/drivers/i8254.h>	49	#include <arch/drivers/i8254.h>
50	#include <arch/drivers/i8259.h>	50	#include <arch/drivers/i8259.h>
51		51
52	#include <arch/context.h>	52	#include <arch/context.h>
53		53
54	#include <config.h>	54	#include <config.h>
55		55
56	#include <arch/interrupt.h>	56	#include <arch/interrupt.h>
57	#include <arch/asm.h>	57	#include <arch/asm.h>
58	#include <genarch/acpi/acpi.h>	58	#include <genarch/acpi/acpi.h>
59		59
60	#include <arch/bios/bios.h>	60	#include <arch/bios/bios.h>
61		61
62	#include <interrupt.h>	62	#include <interrupt.h>
63	#include <ddi/irq.h>	63	#include <ddi/irq.h>
64	#include <arch/debugger.h>	64	#include <arch/debugger.h>
65	#include <proc/thread.h>	65	#include <proc/thread.h>
66	#include <syscall/syscall.h>	66	#include <syscall/syscall.h>
67	#include <console/console.h>	67	#include <console/console.h>
68	#include <ddi/device.h>	68	#include <ddi/device.h>
69	#include <sysinfo/sysinfo.h>	69	#include <sysinfo/sysinfo.h>
70	#include <arch/boot/boot.h>	70	#include <arch/boot/boot.h>
71		71
72	#ifdef CONFIG_SMP	72	#ifdef CONFIG_SMP
73	#include <arch/smp/apic.h>	73	#include <arch/smp/apic.h>
74	#endif	74	#endif
75		75
76	/** Perform ia32-specific initialization before main_bsp() is called.	76	/** Perform ia32-specific initialization before main_bsp() is called.
77	*	77	*
78	* @param signature Should contain the multiboot signature.	78	* @param signature Should contain the multiboot signature.
79	* @param mi Pointer to the multiboot information structure.	79	* @param mi Pointer to the multiboot information structure.
80	*/	80	*/
81	void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)	81	void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
82	{	82	{
83	/* Parse multiboot information obtained from the bootloader. */	83	/* Parse multiboot information obtained from the bootloader. */
84	multiboot_info_parse(signature, mi);	84	multiboot_info_parse(signature, mi);
85		85
86	#ifdef CONFIG_SMP	86	#ifdef CONFIG_SMP
87	/* Copy AP bootstrap routines below 1 MB. */	87	/* Copy AP bootstrap routines below 1 MB. */
88	memcpy((void ) AP_BOOT_OFFSET, (void ) BOOT_OFFSET,	88	memcpy((void ) AP_BOOT_OFFSET, (void ) BOOT_OFFSET,
89	(size_t) &_hardcoded_unmapped_size);	89	(size_t) &_hardcoded_unmapped_size);
90	#endif	90	#endif
91	}	91	}
92		92
93	void arch_pre_mm_init(void)	93	void arch_pre_mm_init(void)
94	{	94	{
95	pm_init();	95	pm_init();
96		96
97	if (config.cpu_active == 1) {	97	if (config.cpu_active == 1) {
98	interrupt_init();	98	interrupt_init();
99	bios_init();	99	bios_init();
100		100
101	/* PIC */	101	/* PIC */
102	i8259_init();	102	i8259_init();
103	}	103	}
104	}	104	}
105		105
106	void arch_post_mm_init(void)	106	void arch_post_mm_init(void)
107	{	107	{
108	if (config.cpu_active == 1) {	108	if (config.cpu_active == 1) {
109	/* Initialize IRQ routing */	109	/* Initialize IRQ routing */
110	irq_init(IRQ_COUNT, IRQ_COUNT);	110	irq_init(IRQ_COUNT, IRQ_COUNT);
111		111
112	/* hard clock */	112	/* hard clock */
113	i8254_init();	113	i8254_init();
114		114
115	#ifdef CONFIG_FB	115	#ifdef CONFIG_FB
116	if (vesa_present())	116	if (vesa_present())
117	vesa_init();	117	vesa_init();
118	else	118	else
119	#endif	119	#endif
-		120	#ifdef CONFIG_EGA
120	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */	121	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */
-		122	#else
-		123	{}
-		124	#endif
121		125
122	/* Enable debugger */	126	/* Enable debugger */
123	debugger_init();	127	debugger_init();
124	/* Merge all memory zones to 1 big zone */	128	/* Merge all memory zones to 1 big zone */
125	zone_merge_all();	129	zone_merge_all();
126	}	130	}
127	}	131	}
128		132
129	void arch_post_cpu_init()	133	void arch_post_cpu_init()
130	{	134	{
131	#ifdef CONFIG_SMP	135	#ifdef CONFIG_SMP
132	if (config.cpu_active > 1) {	136	if (config.cpu_active > 1) {
133	l_apic_init();	137	l_apic_init();
134	l_apic_debug();	138	l_apic_debug();
135	}	139	}
136	#endif	140	#endif
137	}	141	}
138		142
139	void arch_pre_smp_init(void)	143	void arch_pre_smp_init(void)
140	{	144	{
141	if (config.cpu_active == 1) {	145	if (config.cpu_active == 1) {
142	#ifdef CONFIG_SMP	146	#ifdef CONFIG_SMP
143	acpi_init();	147	acpi_init();
144	#endif /* CONFIG_SMP */	148	#endif /* CONFIG_SMP */
145	}	149	}
146	}	150	}
147		151
148	void arch_post_smp_init(void)	152	void arch_post_smp_init(void)
149	{	153	{
150	devno_t devno = device_assign_devno();	154	devno_t devno = device_assign_devno();
151		155
152	/*	156	/*
153	* Initialize the keyboard module and conect it to stdin. Then	157	* Initialize the keyboard module and conect it to stdin. Then
154	* initialize the i8042 controller and connect it to kbrdin. Enable	158	* initialize the i8042 controller and connect it to kbrdin. Enable
155	* keyboard interrupts.	159	* keyboard interrupts.
156	*/	160	*/
157	kbrd_init(stdin);	161	kbrd_init(stdin);
158	(void) i8042_init((i8042_t *) I8042_BASE, devno, IRQ_KBD, &kbrdin);	162	(void) i8042_init((i8042_t *) I8042_BASE, devno, IRQ_KBD, &kbrdin);
159	trap_virtual_enable_irqs(1 << IRQ_KBD);	163	trap_virtual_enable_irqs(1 << IRQ_KBD);
160		164
161	/*	165	/*
162	* This is the necessary evil until the userspace driver is entirely	166	* This is the necessary evil until the userspace driver is entirely
163	* self-sufficient.	167	* self-sufficient.
164	*/	168	*/
165	sysinfo_set_item_val("kbd", NULL, true);	169	sysinfo_set_item_val("kbd", NULL, true);
166	sysinfo_set_item_val("kbd.devno", NULL, devno);	170	sysinfo_set_item_val("kbd.devno", NULL, devno);
167	sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);	171	sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
168	sysinfo_set_item_val("kbd.address.physical", NULL,	172	sysinfo_set_item_val("kbd.address.physical", NULL,
169	(uintptr_t) I8042_BASE);	173	(uintptr_t) I8042_BASE);
170	sysinfo_set_item_val("kbd.address.kernel", NULL,	174	sysinfo_set_item_val("kbd.address.kernel", NULL,
171	(uintptr_t) I8042_BASE);	175	(uintptr_t) I8042_BASE);
172	}	176	}
173		177
174	void calibrate_delay_loop(void)	178	void calibrate_delay_loop(void)
175	{	179	{
176	i8254_calibrate_delay_loop();	180	i8254_calibrate_delay_loop();
177	if (config.cpu_active == 1) {	181	if (config.cpu_active == 1) {
178	/*	182	/*
179	* This has to be done only on UP.	183	* This has to be done only on UP.
180	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	184	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
181	*/	185	*/
182	i8254_normal_operation();	186	i8254_normal_operation();
183	}	187	}
184	}	188	}
185		189
186	/** Set thread-local-storage pointer	190	/** Set thread-local-storage pointer
187	*	191	*
188	* TLS pointer is set in GS register. That means, the GS contains	192	* TLS pointer is set in GS register. That means, the GS contains
189	* selector, and the descriptor->base is the correct address.	193	* selector, and the descriptor->base is the correct address.
190	*/	194	*/
191	unative_t sys_tls_set(unative_t addr)	195	unative_t sys_tls_set(unative_t addr)
192	{	196	{
193	THREAD->arch.tls = addr;	197	THREAD->arch.tls = addr;
194	set_tls_desc(addr);	198	set_tls_desc(addr);
195		199
196	return 0;	200	return 0;
197	}	201	}
198		202
199	/** Acquire console back for kernel	203	/** Acquire console back for kernel
200	*	204	*
201	*/	205	*/
202	void arch_grab_console(void)	206	void arch_grab_console(void)
203	{	207	{
204	#ifdef CONFIG_FB	208	#ifdef CONFIG_FB
205	vesa_redraw();	209	vesa_redraw();
206	#else	210	#else
207	ega_redraw();	211	ega_redraw();
208	#endif	212	#endif
209	}	213	}
210		214
211	/** Return console to userspace	215	/** Return console to userspace
212	*	216	*
213	*/	217	*/
214	void arch_release_console(void)	218	void arch_release_console(void)
215	{	219	{
216	}	220	}
217		221
218	/** Construct function pointer	222	/** Construct function pointer
219	*	223	*
220	* @param fptr function pointer structure	224	* @param fptr function pointer structure
221	* @param addr function address	225	* @param addr function address
222	* @param caller calling function address	226	* @param caller calling function address
223	*	227	*
224	* @return address of the function pointer	228	* @return address of the function pointer
225	*	229	*
226	*/	230	*/
227	void arch_construct_function(fncptr_t fptr, void addr, void caller)	231	void arch_construct_function(fncptr_t fptr, void addr, void caller)
228	{	232	{
229	return addr;	233	return addr;
230	}	234	}
231		235
232	/** @}	236	/** @}
233	*/	237	*/
234		238

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ia32/src/ia32.c @ 4148 – Rev 4042 → 4057