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 <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)
{
#ifdef CONFIG_PC_KBD
    devno_t devno = device_assign_devno();
   
    /*
     * 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, devno, 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.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);
#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 4345	Rev 4346
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/kbd/i8042.h>	48	#include <genarch/kbrd/kbrd.h>
48	#include <arch/drivers/i8254.h>	49	#include <arch/drivers/i8254.h>
49	#include <arch/drivers/i8259.h>	50	#include <arch/drivers/i8259.h>
50		51
51	#include <arch/context.h>	52	#include <arch/context.h>
52		53
53	#include <config.h>	54	#include <config.h>
54		55
55	#include <arch/interrupt.h>	56	#include <arch/interrupt.h>
56	#include <arch/asm.h>	57	#include <arch/asm.h>
57	#include <genarch/acpi/acpi.h>	58	#include <genarch/acpi/acpi.h>
58		59
59	#include <arch/bios/bios.h>	60	#include <arch/bios/bios.h>
60		61
61	#include <interrupt.h>	62	#include <interrupt.h>
62	#include <ddi/irq.h>	63	#include <ddi/irq.h>
63	#include <arch/debugger.h>	64	#include <arch/debugger.h>
64	#include <proc/thread.h>	65	#include <proc/thread.h>
65	#include <syscall/syscall.h>	66	#include <syscall/syscall.h>
66	#include <console/console.h>	67	#include <console/console.h>
67	#include <ddi/device.h>	68	#include <ddi/device.h>
68	#include <sysinfo/sysinfo.h>	69	#include <sysinfo/sysinfo.h>
69	#include <arch/boot/boot.h>	70	#include <arch/boot/boot.h>
70		71
71	#ifdef CONFIG_SMP	72	#ifdef CONFIG_SMP
72	#include <arch/smp/apic.h>	73	#include <arch/smp/apic.h>
73	#endif	74	#endif
74		75
75	/** Perform ia32-specific initialization before main_bsp() is called.	76	/** Perform ia32-specific initialization before main_bsp() is called.
76	*	77	*
77	* @param signature Should contain the multiboot signature.	78	* @param signature Should contain the multiboot signature.
78	* @param mi Pointer to the multiboot information structure.	79	* @param mi Pointer to the multiboot information structure.
79	*/	80	*/
80	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)
81	{	82	{
82	/* Parse multiboot information obtained from the bootloader. */	83	/* Parse multiboot information obtained from the bootloader. */
83	multiboot_info_parse(signature, mi);	84	multiboot_info_parse(signature, mi);
84		85
85	#ifdef CONFIG_SMP	86	#ifdef CONFIG_SMP
86	/* Copy AP bootstrap routines below 1 MB. */	87	/* Copy AP bootstrap routines below 1 MB. */
87	memcpy((void ) AP_BOOT_OFFSET, (void ) BOOT_OFFSET,	88	memcpy((void ) AP_BOOT_OFFSET, (void ) BOOT_OFFSET,
88	(size_t) &_hardcoded_unmapped_size);	89	(size_t) &_hardcoded_unmapped_size);
89	#endif	90	#endif
90	}	91	}
91		92
92	void arch_pre_mm_init(void)	93	void arch_pre_mm_init(void)
93	{	94	{
94	pm_init();	95	pm_init();
95		96
96	if (config.cpu_active == 1) {	97	if (config.cpu_active == 1) {
97	interrupt_init();	98	interrupt_init();
98	bios_init();	99	bios_init();
99		100
100	/* PIC */	101	/* PIC */
101	i8259_init();	102	i8259_init();
102	}	103	}
103	}	104	}
104		105
105	void arch_post_mm_init(void)	106	void arch_post_mm_init(void)
106	{	107	{
107	if (config.cpu_active == 1) {	108	if (config.cpu_active == 1) {
108	/* Initialize IRQ routing */	109	/* Initialize IRQ routing */
109	irq_init(IRQ_COUNT, IRQ_COUNT);	110	irq_init(IRQ_COUNT, IRQ_COUNT);
110		111
111	/* hard clock */	112	/* hard clock */
112	i8254_init();	113	i8254_init();
113		114
114	#ifdef CONFIG_FB	115	#ifdef CONFIG_FB
115	if (vesa_present())	116	if (vesa_present())
116	vesa_init();	117	vesa_init();
117	else	118	else
118	#endif	119	#endif
-		120	#ifdef CONFIG_EGA
119	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */	121	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */
-		122	#else
-		123	{}
-		124	#endif
120		125
121	/* Enable debugger */	126	/* Enable debugger */
122	debugger_init();	127	debugger_init();
123	/* Merge all memory zones to 1 big zone */	128	/* Merge all memory zones to 1 big zone */
124	zone_merge_all();	129	zone_merge_all();
125	}	130	}
126	}	131	}
127		132
128	void arch_post_cpu_init()	133	void arch_post_cpu_init()
129	{	134	{
130	#ifdef CONFIG_SMP	135	#ifdef CONFIG_SMP
131	if (config.cpu_active > 1) {	136	if (config.cpu_active > 1) {
132	l_apic_init();	137	l_apic_init();
133	l_apic_debug();	138	l_apic_debug();
134	}	139	}
135	#endif	140	#endif
136	}	141	}
137		142
138	void arch_pre_smp_init(void)	143	void arch_pre_smp_init(void)
139	{	144	{
140	if (config.cpu_active == 1) {	145	if (config.cpu_active == 1) {
141	#ifdef CONFIG_SMP	146	#ifdef CONFIG_SMP
142	acpi_init();	147	acpi_init();
143	#endif /* CONFIG_SMP */	148	#endif /* CONFIG_SMP */
144	}	149	}
145	}	150	}
146		151
147	void arch_post_smp_init(void)	152	void arch_post_smp_init(void)
148	{	153	{
-		154	#ifdef CONFIG_PC_KBD
149	devno_t devno = device_assign_devno();	155	devno_t devno = device_assign_devno();
-		156
-		157	/*
150	/* keyboard controller */	158	* Initialize the i8042 controller. Then initialize the keyboard
-		159	* module and connect it to i8042. Enable keyboard interrupts.
-		160	*/
151	(void) i8042_init((i8042_t *) I8042_BASE, devno, IRQ_KBD);	161	indev_t kbrdin = i8042_init((i8042_t ) I8042_BASE, devno, IRQ_KBD);
-		162	if (kbrdin) {
-		163	kbrd_init(kbrdin);
-		164	trap_virtual_enable_irqs(1 << IRQ_KBD);
-		165	}
152		166
153	/*	167	/*
154	* This is the necessary evil until the userspace driver is entirely	168	* This is the necessary evil until the userspace driver is entirely
155	* self-sufficient.	169	* self-sufficient.
156	*/	170	*/
157	sysinfo_set_item_val("kbd", NULL, true);	171	sysinfo_set_item_val("kbd", NULL, true);
158	sysinfo_set_item_val("kbd.devno", NULL, devno);	172	sysinfo_set_item_val("kbd.devno", NULL, devno);
159	sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);	173	sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
160	sysinfo_set_item_val("kbd.address.physical", NULL,	174	sysinfo_set_item_val("kbd.address.physical", NULL,
161	(uintptr_t) I8042_BASE);	175	(uintptr_t) I8042_BASE);
162	sysinfo_set_item_val("kbd.address.kernel", NULL,	176	sysinfo_set_item_val("kbd.address.kernel", NULL,
163	(uintptr_t) I8042_BASE);	177	(uintptr_t) I8042_BASE);
-		178	#endif
164	}	179	}
165		180
166	void calibrate_delay_loop(void)	181	void calibrate_delay_loop(void)
167	{	182	{
168	i8254_calibrate_delay_loop();	183	i8254_calibrate_delay_loop();
169	if (config.cpu_active == 1) {	184	if (config.cpu_active == 1) {
170	/*	185	/*
171	* This has to be done only on UP.	186	* This has to be done only on UP.
172	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	187	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
173	*/	188	*/
174	i8254_normal_operation();	189	i8254_normal_operation();
175	}	190	}
176	}	191	}
177		192
178	/** Set thread-local-storage pointer	193	/** Set thread-local-storage pointer
179	*	194	*
180	* TLS pointer is set in GS register. That means, the GS contains	195	* TLS pointer is set in GS register. That means, the GS contains
181	* selector, and the descriptor->base is the correct address.	196	* selector, and the descriptor->base is the correct address.
182	*/	197	*/
183	unative_t sys_tls_set(unative_t addr)	198	unative_t sys_tls_set(unative_t addr)
184	{	199	{
185	THREAD->arch.tls = addr;	200	THREAD->arch.tls = addr;
186	set_tls_desc(addr);	201	set_tls_desc(addr);
187		202
188	return 0;	203	return 0;
189	}	204	}
190		205
191	/** Acquire console back for kernel	206	/** Acquire console back for kernel
192	*	207	*
193	*/	208	*/
194	void arch_grab_console(void)	209	void arch_grab_console(void)
195	{	210	{
196	#ifdef CONFIG_FB	211	#ifdef CONFIG_FB
-		212	if (vesa_present())
197	vesa_redraw();	213	vesa_redraw();
-		214	else
-		215	#endif
-		216	#ifdef CONFIG_EGA
-		217	ega_redraw();
198	#else	218	#else
199	ega_redraw();	219	{}
200	#endif	220	#endif
201	}	221	}
202		222
203	/** Return console to userspace	223	/** Return console to userspace
204	*	224	*
205	*/	225	*/
206	void arch_release_console(void)	226	void arch_release_console(void)
207	{	227	{
208	}	228	}
209		229
210	/** Construct function pointer	230	/** Construct function pointer
211	*	231	*
212	* @param fptr function pointer structure	232	* @param fptr function pointer structure
213	* @param addr function address	233	* @param addr function address
214	* @param caller calling function address	234	* @param caller calling function address
215	*	235	*
216	* @return address of the function pointer	236	* @return address of the function pointer
217	*	237	*
218	*/	238	*/
219	void arch_construct_function(fncptr_t fptr, void addr, void caller)	239	void arch_construct_function(fncptr_t fptr, void addr, void caller)
220	{	240	{
221	return addr;	241	return addr;
222	}	242	}
223		243
224	/** @}	244	/** @}
225	*/	245	*/
226		246

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(root)/branches/dynload/kernel/arch/ia32/src/ia32.c – Rev 4345 → 4346