WebSVN – HelenOS – Diff – /branches/dynload/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 <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)
{
#ifdef CONFIG_PC_KBD
 
 
    /*
     * Initialize the i8042 controller. Then initialize the keyboard
     * module and connect it to i8042. Enable keyboard interrupts.
     */
    indev_t *kbrdin = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD);
    if (kbrdin) {
        kbrd_init(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.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);
#endif
}
 
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
    if (vesa_present())
        vesa_redraw();
    else
#endif
#ifdef CONFIG_EGA
        ega_redraw();
#else
        {}
#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 4346	Rev 4347
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>	-
69	#include <sysinfo/sysinfo.h>	68	#include <sysinfo/sysinfo.h>
70	#include <arch/boot/boot.h>	69	#include <arch/boot/boot.h>
71		70
72	#ifdef CONFIG_SMP	71	#ifdef CONFIG_SMP
73	#include <arch/smp/apic.h>	72	#include <arch/smp/apic.h>
74	#endif	73	#endif
75		74
76	/** Perform ia32-specific initialization before main_bsp() is called.	75	/** Perform ia32-specific initialization before main_bsp() is called.
77	*	76	*
78	* @param signature Should contain the multiboot signature.	77	* @param signature Should contain the multiboot signature.
79	* @param mi Pointer to the multiboot information structure.	78	* @param mi Pointer to the multiboot information structure.
80	*/	79	*/
81	void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)	80	void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
82	{	81	{
83	/* Parse multiboot information obtained from the bootloader. */	82	/* Parse multiboot information obtained from the bootloader. */
84	multiboot_info_parse(signature, mi);	83	multiboot_info_parse(signature, mi);
85		84
86	#ifdef CONFIG_SMP	85	#ifdef CONFIG_SMP
87	/* Copy AP bootstrap routines below 1 MB. */	86	/* Copy AP bootstrap routines below 1 MB. */
88	memcpy((void ) AP_BOOT_OFFSET, (void ) BOOT_OFFSET,	87	memcpy((void ) AP_BOOT_OFFSET, (void ) BOOT_OFFSET,
89	(size_t) &_hardcoded_unmapped_size);	88	(size_t) &_hardcoded_unmapped_size);
90	#endif	89	#endif
91	}	90	}
92		91
93	void arch_pre_mm_init(void)	92	void arch_pre_mm_init(void)
94	{	93	{
95	pm_init();	94	pm_init();
96		95
97	if (config.cpu_active == 1) {	96	if (config.cpu_active == 1) {
98	interrupt_init();	97	interrupt_init();
99	bios_init();	98	bios_init();
100		99
101	/* PIC */	100	/* PIC */
102	i8259_init();	101	i8259_init();
103	}	102	}
104	}	103	}
105		104
106	void arch_post_mm_init(void)	105	void arch_post_mm_init(void)
107	{	106	{
108	if (config.cpu_active == 1) {	107	if (config.cpu_active == 1) {
109	/* Initialize IRQ routing */	108	/* Initialize IRQ routing */
110	irq_init(IRQ_COUNT, IRQ_COUNT);	109	irq_init(IRQ_COUNT, IRQ_COUNT);
111		110
112	/* hard clock */	111	/* hard clock */
113	i8254_init();	112	i8254_init();
114		113
115	#ifdef CONFIG_FB	114	#ifdef CONFIG_FB
116	if (vesa_present())	115	if (vesa_present())
117	vesa_init();	116	vesa_init();
118	else	117	else
119	#endif	118	#endif
120	#ifdef CONFIG_EGA	119	#ifdef CONFIG_EGA
121	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */	120	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */
122	#else	121	#else
123	{}	122	{}
124	#endif	123	#endif
125		124
126	/* Enable debugger */	125	/* Enable debugger */
127	debugger_init();	126	debugger_init();
128	/* Merge all memory zones to 1 big zone */	127	/* Merge all memory zones to 1 big zone */
129	zone_merge_all();	128	zone_merge_all();
130	}	129	}
131	}	130	}
132		131
133	void arch_post_cpu_init()	132	void arch_post_cpu_init()
134	{	133	{
135	#ifdef CONFIG_SMP	134	#ifdef CONFIG_SMP
136	if (config.cpu_active > 1) {	135	if (config.cpu_active > 1) {
137	l_apic_init();	136	l_apic_init();
138	l_apic_debug();	137	l_apic_debug();
139	}	138	}
140	#endif	139	#endif
141	}	140	}
142		141
143	void arch_pre_smp_init(void)	142	void arch_pre_smp_init(void)
144	{	143	{
145	if (config.cpu_active == 1) {	144	if (config.cpu_active == 1) {
146	#ifdef CONFIG_SMP	145	#ifdef CONFIG_SMP
147	acpi_init();	146	acpi_init();
148	#endif /* CONFIG_SMP */	147	#endif /* CONFIG_SMP */
149	}	148	}
150	}	149	}
151		150
152	void arch_post_smp_init(void)	151	void arch_post_smp_init(void)
153	{	152	{
154	#ifdef CONFIG_PC_KBD	153	#ifdef CONFIG_PC_KBD
155	devno_t devno = device_assign_devno();	-
156		-
157	/*	154	/*
158	* Initialize the i8042 controller. Then initialize the keyboard	155	* Initialize the i8042 controller. Then initialize the keyboard
159	* module and connect it to i8042. Enable keyboard interrupts.	156	* module and connect it to i8042. Enable keyboard interrupts.
160	*/	157	*/
161	indev_t kbrdin = i8042_init((i8042_t ) I8042_BASE, devno, IRQ_KBD);	158	indev_t kbrdin = i8042_init((i8042_t ) I8042_BASE, IRQ_KBD);
162	if (kbrdin) {	159	if (kbrdin) {
163	kbrd_init(kbrdin);	160	kbrd_init(kbrdin);
164	trap_virtual_enable_irqs(1 << IRQ_KBD);	161	trap_virtual_enable_irqs(1 << IRQ_KBD);
165	}	162	}
166		163
167	/*	164	/*
168	* This is the necessary evil until the userspace driver is entirely	165	* This is the necessary evil until the userspace driver is entirely
169	* self-sufficient.	166	* self-sufficient.
170	*/	167	*/
171	sysinfo_set_item_val("kbd", NULL, true);	168	sysinfo_set_item_val("kbd", NULL, true);
172	sysinfo_set_item_val("kbd.devno", NULL, devno);	-
173	sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);	169	sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
174	sysinfo_set_item_val("kbd.address.physical", NULL,	170	sysinfo_set_item_val("kbd.address.physical", NULL,
175	(uintptr_t) I8042_BASE);	171	(uintptr_t) I8042_BASE);
176	sysinfo_set_item_val("kbd.address.kernel", NULL,	172	sysinfo_set_item_val("kbd.address.kernel", NULL,
177	(uintptr_t) I8042_BASE);	173	(uintptr_t) I8042_BASE);
178	#endif	174	#endif
179	}	175	}
180		176
181	void calibrate_delay_loop(void)	177	void calibrate_delay_loop(void)
182	{	178	{
183	i8254_calibrate_delay_loop();	179	i8254_calibrate_delay_loop();
184	if (config.cpu_active == 1) {	180	if (config.cpu_active == 1) {
185	/*	181	/*
186	* This has to be done only on UP.	182	* This has to be done only on UP.
187	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	183	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
188	*/	184	*/
189	i8254_normal_operation();	185	i8254_normal_operation();
190	}	186	}
191	}	187	}
192		188
193	/** Set thread-local-storage pointer	189	/** Set thread-local-storage pointer
194	*	190	*
195	* TLS pointer is set in GS register. That means, the GS contains	191	* TLS pointer is set in GS register. That means, the GS contains
196	* selector, and the descriptor->base is the correct address.	192	* selector, and the descriptor->base is the correct address.
197	*/	193	*/
198	unative_t sys_tls_set(unative_t addr)	194	unative_t sys_tls_set(unative_t addr)
199	{	195	{
200	THREAD->arch.tls = addr;	196	THREAD->arch.tls = addr;
201	set_tls_desc(addr);	197	set_tls_desc(addr);
202		198
203	return 0;	199	return 0;
204	}	200	}
205		201
206	/** Acquire console back for kernel	202	/** Acquire console back for kernel
207	*	203	*
208	*/	204	*/
209	void arch_grab_console(void)	205	void arch_grab_console(void)
210	{	206	{
211	#ifdef CONFIG_FB	207	#ifdef CONFIG_FB
212	if (vesa_present())	208	if (vesa_present())
213	vesa_redraw();	209	vesa_redraw();
214	else	210	else
215	#endif	211	#endif
216	#ifdef CONFIG_EGA	212	#ifdef CONFIG_EGA
217	ega_redraw();	213	ega_redraw();
218	#else	214	#else
219	{}	215	{}
220	#endif	216	#endif
221	}	217	}
222		218
223	/** Return console to userspace	219	/** Return console to userspace
224	*	220	*
225	*/	221	*/
226	void arch_release_console(void)	222	void arch_release_console(void)
227	{	223	{
228	}	224	}
229		225
230	/** Construct function pointer	226	/** Construct function pointer
231	*	227	*
232	* @param fptr function pointer structure	228	* @param fptr function pointer structure
233	* @param addr function address	229	* @param addr function address
234	* @param caller calling function address	230	* @param caller calling function address
235	*	231	*
236	* @return address of the function pointer	232	* @return address of the function pointer
237	*	233	*
238	*/	234	*/
239	void arch_construct_function(fncptr_t fptr, void addr, void caller)	235	void arch_construct_function(fncptr_t fptr, void addr, void caller)
240	{	236	{
241	return addr;	237	return addr;
242	}	238	}
243		239
244	/** @}	240	/** @}
245	*/	241	*/
246		242

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(root)/branches/dynload/kernel/arch/ia32/src/ia32.c – Rev 4346 → 4347