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/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>
#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
            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 devno = device_assign_devno();
    /* keyboard controller */
    (void) i8042_init((i8042_t *) I8042_BASE, devno, 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 4344	Rev 4345
1	/*	1	/*
2	* Copyright (c) 2001-2004 Jakub Jermar	2	* Copyright (c) 2001-2004 Jakub Jermar
-		3	* Copyright (c) 2009 Jiri Svoboda
-		4	* Copyright (c) 2009 Martin Decky
3	* All rights reserved.	5	* All rights reserved.
4	*	6	*
5	* Redistribution and use in source and binary forms, with or without	7	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	8	* modification, are permitted provided that the following conditions
7	* are met:	9	* are met:
8	*	10	*
9	* - Redistributions of source code must retain the above copyright	11	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	12	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	13	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	14	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	15	* documentation and/or other materials provided with the distribution.
14	* - 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
15	* derived from this software without specific prior written permission.	17	* derived from this software without specific prior written permission.
16	*	18	*
17	* 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
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	20	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	21	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* 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,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	23	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* 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,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	25	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	26	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (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
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	28	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	29	*/
28		30
29	/** @addtogroup ia32	31	/** @addtogroup ia32
30	* @{	32	* @{
31	*/	33	*/
32	/** @file	34	/** @file
33	*/	35	*/
34		36
35	#include <arch.h>	37	#include <arch.h>
36		38
37	#include <arch/types.h>	39	#include <arch/types.h>
38		40
39	#include <arch/pm.h>	41	#include <arch/pm.h>
40		42
-		43	#include <genarch/multiboot/multiboot.h>
41	#include <genarch/drivers/legacy/ia32/io.h>	44	#include <genarch/drivers/legacy/ia32/io.h>
42	#include <genarch/drivers/ega/ega.h>	45	#include <genarch/drivers/ega/ega.h>
43	#include <arch/drivers/vesa.h>	46	#include <arch/drivers/vesa.h>
44	#include <genarch/kbd/i8042.h>	47	#include <genarch/kbd/i8042.h>
45	#include <arch/drivers/i8254.h>	48	#include <arch/drivers/i8254.h>
46	#include <arch/drivers/i8259.h>	49	#include <arch/drivers/i8259.h>
47		50
48	#include <arch/context.h>	51	#include <arch/context.h>
49		52
50	#include <config.h>	53	#include <config.h>
51		54
52	#include <arch/interrupt.h>	55	#include <arch/interrupt.h>
53	#include <arch/asm.h>	56	#include <arch/asm.h>
54	#include <genarch/acpi/acpi.h>	57	#include <genarch/acpi/acpi.h>
55		58
56	#include <arch/bios/bios.h>	59	#include <arch/bios/bios.h>
57		60
58	#include <interrupt.h>	61	#include <interrupt.h>
59	#include <ddi/irq.h>	62	#include <ddi/irq.h>
60	#include <arch/debugger.h>	63	#include <arch/debugger.h>
61	#include <proc/thread.h>	64	#include <proc/thread.h>
62	#include <syscall/syscall.h>	65	#include <syscall/syscall.h>
63	#include <console/console.h>	66	#include <console/console.h>
64	#include <ddi/device.h>	67	#include <ddi/device.h>
65	#include <sysinfo/sysinfo.h>	68	#include <sysinfo/sysinfo.h>
-		69	#include <arch/boot/boot.h>
66		70
67	#ifdef CONFIG_SMP	71	#ifdef CONFIG_SMP
68	#include <arch/smp/apic.h>	72	#include <arch/smp/apic.h>
69	#endif	73	#endif
70		74
-		75	/** Perform ia32-specific initialization before main_bsp() is called.
-		76	*
-		77	* @param signature Should contain the multiboot signature.
-		78	* @param mi Pointer to the multiboot information structure.
-		79	*/
-		80	void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
-		81	{
-		82	/* Parse multiboot information obtained from the bootloader. */
-		83	multiboot_info_parse(signature, mi);
-		84
-		85	#ifdef CONFIG_SMP
-		86	/* Copy AP bootstrap routines below 1 MB. */
-		87	memcpy((void ) AP_BOOT_OFFSET, (void ) BOOT_OFFSET,
-		88	(size_t) &_hardcoded_unmapped_size);
-		89	#endif
-		90	}
-		91
71	void arch_pre_mm_init(void)	92	void arch_pre_mm_init(void)
72	{	93	{
73	pm_init();	94	pm_init();
74		95
75	if (config.cpu_active == 1) {	96	if (config.cpu_active == 1) {
76	interrupt_init();	97	interrupt_init();
77	bios_init();	98	bios_init();
78		99
79	/* PIC */	100	/* PIC */
80	i8259_init();	101	i8259_init();
81	}	102	}
82	}	103	}
83		104
84	void arch_post_mm_init(void)	105	void arch_post_mm_init(void)
85	{	106	{
86	if (config.cpu_active == 1) {	107	if (config.cpu_active == 1) {
87	/* Initialize IRQ routing */	108	/* Initialize IRQ routing */
88	irq_init(IRQ_COUNT, IRQ_COUNT);	109	irq_init(IRQ_COUNT, IRQ_COUNT);
89		110
90	/* hard clock */	111	/* hard clock */
91	i8254_init();	112	i8254_init();
92		113
93	#ifdef CONFIG_FB	114	#ifdef CONFIG_FB
94	if (vesa_present())	115	if (vesa_present())
95	vesa_init();	116	vesa_init();
96	else	117	else
97	#endif	118	#endif
98	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */	119	ega_init(EGA_BASE, EGA_VIDEORAM); /* video */
99		120
100	/* Enable debugger */	121	/* Enable debugger */
101	debugger_init();	122	debugger_init();
102	/* Merge all memory zones to 1 big zone */	123	/* Merge all memory zones to 1 big zone */
103	zone_merge_all();	124	zone_merge_all();
104	}	125	}
105	}	126	}
106		127
107	void arch_post_cpu_init()	128	void arch_post_cpu_init()
108	{	129	{
109	#ifdef CONFIG_SMP	130	#ifdef CONFIG_SMP
110	if (config.cpu_active > 1) {	131	if (config.cpu_active > 1) {
111	l_apic_init();	132	l_apic_init();
112	l_apic_debug();	133	l_apic_debug();
113	}	134	}
114	#endif	135	#endif
115	}	136	}
116		137
117	void arch_pre_smp_init(void)	138	void arch_pre_smp_init(void)
118	{	139	{
119	if (config.cpu_active == 1) {	140	if (config.cpu_active == 1) {
120	#ifdef CONFIG_SMP	141	#ifdef CONFIG_SMP
121	acpi_init();	142	acpi_init();
122	#endif /* CONFIG_SMP */	143	#endif /* CONFIG_SMP */
123	}	144	}
124	}	145	}
125		146
126	void arch_post_smp_init(void)	147	void arch_post_smp_init(void)
127	{	148	{
128	devno_t devno = device_assign_devno();	149	devno_t devno = device_assign_devno();
129	/* keyboard controller */	150	/* keyboard controller */
130	(void) i8042_init((i8042_t *) I8042_BASE, devno, IRQ_KBD);	151	(void) i8042_init((i8042_t *) I8042_BASE, devno, IRQ_KBD);
131		152
132	/*	153	/*
133	* This is the necessary evil until the userspace driver is entirely	154	* This is the necessary evil until the userspace driver is entirely
134	* self-sufficient.	155	* self-sufficient.
135	*/	156	*/
136	sysinfo_set_item_val("kbd", NULL, true);	157	sysinfo_set_item_val("kbd", NULL, true);
137	sysinfo_set_item_val("kbd.devno", NULL, devno);	158	sysinfo_set_item_val("kbd.devno", NULL, devno);
138	sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);	159	sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
-		160	sysinfo_set_item_val("kbd.address.physical", NULL,
-		161	(uintptr_t) I8042_BASE);
-		162	sysinfo_set_item_val("kbd.address.kernel", NULL,
-		163	(uintptr_t) I8042_BASE);
139	}	164	}
140		165
141	void calibrate_delay_loop(void)	166	void calibrate_delay_loop(void)
142	{	167	{
143	i8254_calibrate_delay_loop();	168	i8254_calibrate_delay_loop();
144	if (config.cpu_active == 1) {	169	if (config.cpu_active == 1) {
145	/*	170	/*
146	* This has to be done only on UP.	171	* This has to be done only on UP.
147	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	172	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
148	*/	173	*/
149	i8254_normal_operation();	174	i8254_normal_operation();
150	}	175	}
151	}	176	}
152		177
153	/** Set thread-local-storage pointer	178	/** Set thread-local-storage pointer
154	*	179	*
155	* TLS pointer is set in GS register. That means, the GS contains	180	* TLS pointer is set in GS register. That means, the GS contains
156	* selector, and the descriptor->base is the correct address.	181	* selector, and the descriptor->base is the correct address.
157	*/	182	*/
158	unative_t sys_tls_set(unative_t addr)	183	unative_t sys_tls_set(unative_t addr)
159	{	184	{
160	THREAD->arch.tls = addr;	185	THREAD->arch.tls = addr;
161	set_tls_desc(addr);	186	set_tls_desc(addr);
162		187
163	return 0;	188	return 0;
164	}	189	}
165		190
166	/** Acquire console back for kernel	191	/** Acquire console back for kernel
167	*	192	*
168	*/	193	*/
169	void arch_grab_console(void)	194	void arch_grab_console(void)
170	{	195	{
171	#ifdef CONFIG_FB	196	#ifdef CONFIG_FB
172	vesa_redraw();	197	vesa_redraw();
173	#else	198	#else
174	ega_redraw();	199	ega_redraw();
175	#endif	200	#endif
176	}	201	}
177		202
178	/** Return console to userspace	203	/** Return console to userspace
179	*	204	*
180	*/	205	*/
181	void arch_release_console(void)	206	void arch_release_console(void)
182	{	207	{
183	}	208	}
184		209
185	/** Construct function pointer	210	/** Construct function pointer
186	*	211	*
187	* @param fptr function pointer structure	212	* @param fptr function pointer structure
188	* @param addr function address	213	* @param addr function address
189	* @param caller calling function address	214	* @param caller calling function address
190	*	215	*
191	* @return address of the function pointer	216	* @return address of the function pointer
192	*	217	*
193	*/	218	*/
194	void arch_construct_function(fncptr_t fptr, void addr, void caller)	219	void arch_construct_function(fncptr_t fptr, void addr, void caller)
195	{	220	{
196	return addr;	221	return addr;
197	}	222	}
198		223
199	/** @}	224	/** @}
200	*/	225	*/
201		226

Subversion Repositories HelenOS

(root)/branches/dynload/kernel/arch/ia32/src/ia32.c – Rev 4344 → 4345