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.
     */
    i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD);
    if (i8042_instance) {
        kbrd_instance_t *kbrd_instance = kbrd_init();
        if (kbrd_instance) {
            indev_t *sink = stdin_wire();
            indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
            i8042_wire(i8042_instance, kbrd);
            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;
}
 
void arch_reboot(void)
{
#ifdef CONFIG_PC_KBD
    i8042_cpu_reset((i8042_t *) I8042_BASE);
#endif
}
 
/** @}
 */
 

Rev 4347	Rev 4348
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 <sysinfo/sysinfo.h>	68	#include <sysinfo/sysinfo.h>
69	#include <arch/boot/boot.h>	69	#include <arch/boot/boot.h>
70		70
71	#ifdef CONFIG_SMP	71	#ifdef CONFIG_SMP
72	#include <arch/smp/apic.h>	72	#include <arch/smp/apic.h>
73	#endif	73	#endif
74		74
75	/** Perform ia32-specific initialization before main_bsp() is called.	75	/** Perform ia32-specific initialization before main_bsp() is called.
76	*	76	*
77	* @param signature Should contain the multiboot signature.	77	* @param signature Should contain the multiboot signature.
78	* @param mi Pointer to the multiboot information structure.	78	* @param mi Pointer to the multiboot information structure.
79	*/	79	*/
80	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)
81	{	81	{
82	/* Parse multiboot information obtained from the bootloader. */	82	/* Parse multiboot information obtained from the bootloader. */
83	multiboot_info_parse(signature, mi);	83	multiboot_info_parse(signature, mi);
84		84
85	#ifdef CONFIG_SMP	85	#ifdef CONFIG_SMP
86	/* Copy AP bootstrap routines below 1 MB. */	86	/* Copy AP bootstrap routines below 1 MB. */
87	memcpy((void ) AP_BOOT_OFFSET, (void ) BOOT_OFFSET,	87	memcpy((void ) AP_BOOT_OFFSET, (void ) BOOT_OFFSET,
88	(size_t) &_hardcoded_unmapped_size);	88	(size_t) &_hardcoded_unmapped_size);
89	#endif	89	#endif
90	}	90	}
91		91
92	void arch_pre_mm_init(void)	92	void arch_pre_mm_init(void)
93	{	93	{
94	pm_init();	94	pm_init();
95		95
96	if (config.cpu_active == 1) {	96	if (config.cpu_active == 1) {
97	interrupt_init();	97	interrupt_init();
98	bios_init();	98	bios_init();
99		99
100	/* PIC */	100	/* PIC */
101	i8259_init();	101	i8259_init();
102	}	102	}
103	}	103	}
104		104
105	void arch_post_mm_init(void)	105	void arch_post_mm_init(void)
106	{	106	{
107	if (config.cpu_active == 1) {	107	if (config.cpu_active == 1) {
108	/* Initialize IRQ routing */	108	/* Initialize IRQ routing */
109	irq_init(IRQ_COUNT, IRQ_COUNT);	109	irq_init(IRQ_COUNT, IRQ_COUNT);
110		110
111	/* hard clock */	111	/* hard clock */
112	i8254_init();	112	i8254_init();
113		113
114	#ifdef CONFIG_FB	114	#ifdef CONFIG_FB
115	if (vesa_present())	115	if (vesa_present())
116	vesa_init();	116	vesa_init();
117	else	117	else
118	#endif	118	#endif
119	#ifdef CONFIG_EGA	119	#ifdef CONFIG_EGA
120	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */	120	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */
121	#else	121	#else
122	{}	122	{}
123	#endif	123	#endif
124		124
125	/* Enable debugger */	125	/* Enable debugger */
126	debugger_init();	126	debugger_init();
127	/* Merge all memory zones to 1 big zone */	127	/* Merge all memory zones to 1 big zone */
128	zone_merge_all();	128	zone_merge_all();
129	}	129	}
130	}	130	}
131		131
132	void arch_post_cpu_init()	132	void arch_post_cpu_init()
133	{	133	{
134	#ifdef CONFIG_SMP	134	#ifdef CONFIG_SMP
135	if (config.cpu_active > 1) {	135	if (config.cpu_active > 1) {
136	l_apic_init();	136	l_apic_init();
137	l_apic_debug();	137	l_apic_debug();
138	}	138	}
139	#endif	139	#endif
140	}	140	}
141		141
142	void arch_pre_smp_init(void)	142	void arch_pre_smp_init(void)
143	{	143	{
144	if (config.cpu_active == 1) {	144	if (config.cpu_active == 1) {
145	#ifdef CONFIG_SMP	145	#ifdef CONFIG_SMP
146	acpi_init();	146	acpi_init();
147	#endif /* CONFIG_SMP */	147	#endif /* CONFIG_SMP */
148	}	148	}
149	}	149	}
150		150
151	void arch_post_smp_init(void)	151	void arch_post_smp_init(void)
152	{	152	{
153	#ifdef CONFIG_PC_KBD	153	#ifdef CONFIG_PC_KBD
154	/*	154	/*
155	* Initialize the i8042 controller. Then initialize the keyboard	155	* Initialize the i8042 controller. Then initialize the keyboard
156	* module and connect it to i8042. Enable keyboard interrupts.	156	* module and connect it to i8042. Enable keyboard interrupts.
157	*/	157	*/
158	indev_t kbrdin = i8042_init((i8042_t ) I8042_BASE, IRQ_KBD);	158	i8042_instance_t i8042_instance = i8042_init((i8042_t ) I8042_BASE, IRQ_KBD);
-		159	if (i8042_instance) {
-		160	kbrd_instance_t *kbrd_instance = kbrd_init();
159	if (kbrdin) {	161	if (kbrd_instance) {
160	kbrd_init(kbrdin);	162	indev_t *sink = stdin_wire();
-		163	indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
-		164	i8042_wire(i8042_instance, kbrd);
161	trap_virtual_enable_irqs(1 << IRQ_KBD);	165	trap_virtual_enable_irqs(1 << IRQ_KBD);
-		166	}
162	}	167	}
163		168
164	/*	169	/*
165	* This is the necessary evil until the userspace driver is entirely	170	* This is the necessary evil until the userspace driver is entirely
166	* self-sufficient.	171	* self-sufficient.
167	*/	172	*/
168	sysinfo_set_item_val("kbd", NULL, true);	173	sysinfo_set_item_val("kbd", NULL, true);
169	sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);	174	sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
170	sysinfo_set_item_val("kbd.address.physical", NULL,	175	sysinfo_set_item_val("kbd.address.physical", NULL,
171	(uintptr_t) I8042_BASE);	176	(uintptr_t) I8042_BASE);
172	sysinfo_set_item_val("kbd.address.kernel", NULL,	177	sysinfo_set_item_val("kbd.address.kernel", NULL,
173	(uintptr_t) I8042_BASE);	178	(uintptr_t) I8042_BASE);
174	#endif	179	#endif
175	}	180	}
176		181
177	void calibrate_delay_loop(void)	182	void calibrate_delay_loop(void)
178	{	183	{
179	i8254_calibrate_delay_loop();	184	i8254_calibrate_delay_loop();
180	if (config.cpu_active == 1) {	185	if (config.cpu_active == 1) {
181	/*	186	/*
182	* This has to be done only on UP.	187	* This has to be done only on UP.
183	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	188	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
184	*/	189	*/
185	i8254_normal_operation();	190	i8254_normal_operation();
186	}	191	}
187	}	192	}
188		193
189	/** Set thread-local-storage pointer	194	/** Set thread-local-storage pointer
190	*	195	*
191	* TLS pointer is set in GS register. That means, the GS contains	196	* TLS pointer is set in GS register. That means, the GS contains
192	* selector, and the descriptor->base is the correct address.	197	* selector, and the descriptor->base is the correct address.
193	*/	198	*/
194	unative_t sys_tls_set(unative_t addr)	199	unative_t sys_tls_set(unative_t addr)
195	{	200	{
196	THREAD->arch.tls = addr;	201	THREAD->arch.tls = addr;
197	set_tls_desc(addr);	202	set_tls_desc(addr);
198		203
199	return 0;	204	return 0;
200	}	205	}
201		206
202	/** Acquire console back for kernel	207	/** Acquire console back for kernel
203	*	208	*
204	*/	209	*/
205	void arch_grab_console(void)	210	void arch_grab_console(void)
206	{	211	{
207	#ifdef CONFIG_FB	212	#ifdef CONFIG_FB
208	if (vesa_present())	213	if (vesa_present())
209	vesa_redraw();	214	vesa_redraw();
210	else	215	else
211	#endif	216	#endif
212	#ifdef CONFIG_EGA	217	#ifdef CONFIG_EGA
213	ega_redraw();	218	ega_redraw();
214	#else	219	#else
215	{}	220	{}
216	#endif	221	#endif
217	}	222	}
218		223
219	/** Return console to userspace	224	/** Return console to userspace
220	*	225	*
221	*/	226	*/
222	void arch_release_console(void)	227	void arch_release_console(void)
223	{	228	{
224	}	229	}
225		230
226	/** Construct function pointer	231	/** Construct function pointer
227	*	232	*
228	* @param fptr function pointer structure	233	* @param fptr function pointer structure
229	* @param addr function address	234	* @param addr function address
230	* @param caller calling function address	235	* @param caller calling function address
231	*	236	*
232	* @return address of the function pointer	237	* @return address of the function pointer
233	*	238	*
234	*/	239	*/
235	void arch_construct_function(fncptr_t fptr, void addr, void caller)	240	void arch_construct_function(fncptr_t fptr, void addr, void caller)
236	{	241	{
237	return addr;	242	return addr;
238	}	243	}
-		244
-		245	void arch_reboot(void)
-		246	{
-		247	#ifdef CONFIG_PC_KBD
-		248	i8042_cpu_reset((i8042_t *) I8042_BASE);
-		249	#endif
-		250	}
239		251
240	/** @}	252	/** @}
241	*/	253	*/
242		254

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(root)/branches/dynload/kernel/arch/ia32/src/ia32.c – Rev 4347 → 4348