WebSVN – HelenOS – Diff – /trunk/kernel/arch/xen32/src/xen32.c


/*
 * Copyright (C) 2001-2004 Jakub Jermar
 * 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 xen32
 * @{
 */
/** @file
 */
 
#include <arch.h>
 
#include <arch/types.h>
#include <typedefs.h>
 
#include <arch/pm.h>
 
 
#include <arch/drivers/xconsole.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 <arch/boot/boot.h>
#include <arch/mm/memory_init.h>
#include <interrupt.h>
#include <arch/debugger.h>
#include <proc/thread.h>
#include <syscall/syscall.h>
#include <console/console.h>
 
start_info_t start_info;
 
void arch_pre_mm_init(void)
{
    pm_init();
 
    if (config.cpu_active == 1) {
//      bios_init();
 
 
       
//      exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
       
        #ifdef CONFIG_SMP
//      exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
//               (iroutine) tlb_shootdown_ipi);
        #endif /* CONFIG_SMP */
    }
}
 
void arch_post_mm_init(void)
{
    if (config.cpu_active == 1) {
 
 
        /* video */
        xen_console_init();
 
 
 
 
 
        /* Enable debugger */
        debugger_init();
        /* Merge all memory zones to 1 big zone */
        zone_merge_all();
    }
}
 
void arch_pre_smp_init(void)
{
    if (config.cpu_active == 1) {
        memory_print_map();
       
        #ifdef CONFIG_SMP
        acpi_init();
        #endif /* CONFIG_SMP */
    }
}
 
void arch_post_smp_init(void)
{
 
}
 
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)
{
 
}
 
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
 
}
 
/** @}
 */
 

Rev 1813	Rev 1816
1	/*	1	/*
2	* Copyright (C) 2001-2004 Jakub Jermar	2	* Copyright (C) 2001-2004 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (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.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup xen32	29	/** @addtogroup xen32
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch.h>	35	#include <arch.h>
36		36
37	#include <arch/types.h>	37	#include <arch/types.h>
38	#include <typedefs.h>	38	#include <typedefs.h>
39		39
40	#include <arch/pm.h>	40	#include <arch/pm.h>
41		41
42	#include <arch/drivers/ega.h>	-
43	#include <arch/drivers/vesa.h>	42	#include <arch/drivers/xconsole.h>
44	#include <genarch/i8042/i8042.h>	-
45	#include <arch/drivers/i8254.h>	-
46	#include <arch/drivers/i8259.h>	-
47		43
48	#include <arch/context.h>	44	#include <arch/context.h>
49		45
50	#include <config.h>	46	#include <config.h>
51		47
52	#include <arch/interrupt.h>	48	#include <arch/interrupt.h>
53	#include <arch/asm.h>	49	#include <arch/asm.h>
54	#include <genarch/acpi/acpi.h>	50	#include <genarch/acpi/acpi.h>
55		51
56	#include <arch/bios/bios.h>	52	#include <arch/bios/bios.h>
57		53
58	#include <arch/boot/boot.h>	54	#include <arch/boot/boot.h>
59	#include <arch/mm/memory_init.h>	55	#include <arch/mm/memory_init.h>
60	#include <interrupt.h>	56	#include <interrupt.h>
61	#include <arch/debugger.h>	57	#include <arch/debugger.h>
62	#include <proc/thread.h>	58	#include <proc/thread.h>
63	#include <syscall/syscall.h>	59	#include <syscall/syscall.h>
64	#include <console/console.h>	60	#include <console/console.h>
65		61
66	start_info_t start_info;	62	start_info_t start_info;
67		63
68	void arch_pre_mm_init(void)	64	void arch_pre_mm_init(void)
69	{	65	{
70	// pm_init();	66	pm_init();
71		67
72	if (config.cpu_active == 1) {	68	if (config.cpu_active == 1) {
73	// bios_init();	69	// bios_init();
74	// i8259_init(); /* PIC */	-
75	// i8254_init(); /* hard clock */	-
76		70
77	// exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);	71	// exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
78		72
79	#ifdef CONFIG_SMP	73	#ifdef CONFIG_SMP
80	// exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",	74	// exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
81	// (iroutine) tlb_shootdown_ipi);	75	// (iroutine) tlb_shootdown_ipi);
82	#endif /* CONFIG_SMP */	76	#endif /* CONFIG_SMP */
83	}	77	}
84	}	78	}
85		79
86	void arch_post_mm_init(void)	80	void arch_post_mm_init(void)
87	{	81	{
88	if (config.cpu_active == 1) {	82	if (config.cpu_active == 1) {
89		-
90	#ifdef CONFIG_FB	-
91	if (vesa_present())	83	/* video */
92	vesa_init();	84	xen_console_init();
93	else	-
94	#endif	-
95	ega_init(); /* video */	-
96		-
97		-
98	/* Enable debugger */	85	/* Enable debugger */
99	debugger_init();	86	debugger_init();
100	/* Merge all memory zones to 1 big zone */	87	/* Merge all memory zones to 1 big zone */
101	zone_merge_all();	88	zone_merge_all();
102	}	89	}
103	}	90	}
104		91
105	void arch_pre_smp_init(void)	92	void arch_pre_smp_init(void)
106	{	93	{
107	if (config.cpu_active == 1) {	94	if (config.cpu_active == 1) {
108	memory_print_map();	95	memory_print_map();
109		96
110	#ifdef CONFIG_SMP	97	#ifdef CONFIG_SMP
111	acpi_init();	98	acpi_init();
112	#endif /* CONFIG_SMP */	99	#endif /* CONFIG_SMP */
113	}	100	}
114	}	101	}
115		102
116	void arch_post_smp_init(void)	103	void arch_post_smp_init(void)
117	{	104	{
118	i8042_init(); /* keyboard controller */	-
119	}	105	}
120		106
121	void calibrate_delay_loop(void)	107	void calibrate_delay_loop(void)
122	{	108	{
123	i8254_calibrate_delay_loop();	109	// i8254_calibrate_delay_loop();
124	if (config.cpu_active == 1) {	110	if (config.cpu_active == 1) {
125	/*	111	/*
126	* This has to be done only on UP.	112	* This has to be done only on UP.
127	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.	113	* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
128	*/	114	*/
129	i8254_normal_operation();	115	// i8254_normal_operation();
130	}	116	}
131	}	117	}
132		118
133	/** Set thread-local-storage pointer	119	/** Set thread-local-storage pointer
134	*	120	*
135	* TLS pointer is set in GS register. That means, the GS contains	121	* TLS pointer is set in GS register. That means, the GS contains
136	* selector, and the descriptor->base is the correct address.	122	* selector, and the descriptor->base is the correct address.
137	*/	123	*/
138	unative_t sys_tls_set(unative_t addr)	124	unative_t sys_tls_set(unative_t addr)
139	{	125	{
140	THREAD->arch.tls = addr;	126	THREAD->arch.tls = addr;
141	set_tls_desc(addr);	127	set_tls_desc(addr);
142		128
143	return 0;	129	return 0;
144	}	130	}
145		131
146	/** Acquire console back for kernel	132	/** Acquire console back for kernel
147	*	133	*
148	*/	134	*/
149	void arch_grab_console(void)	135	void arch_grab_console(void)
150	{	136	{
151	i8042_grab();	-
152	}	137	}
-		138
153	/** Return console to userspace	139	/** Return console to userspace
154	*	140	*
155	*/	141	*/
156	void arch_release_console(void)	142	void arch_release_console(void)
157	{	143	{
158	i8042_release();	-
159	}	144	}
160		145
161	/** @}	146	/** @}
162	*/	147	*/
163		148

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/xen32/src/xen32.c @ 1824 – Rev 1813 → 1816