Subversion Repositories HelenOS

Rev

Rev 503 | Rev 512 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
206 palkovsky 1
/*
2
 * Copyright (C) 2005 Ondrej Palkovsky
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
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
15
 *   derived from this software without specific prior written permission.
16
 *
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
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
#include <arch.h>
30
 
31
#include <arch/types.h>
32
 
33
#include <config.h>
34
 
35
#include <arch/ega.h>
36
#include <arch/i8042.h>
37
#include <arch/i8254.h>
38
#include <arch/i8259.h>
39
 
40
#include <arch/bios/bios.h>
242 palkovsky 41
#include <arch/mm/memory_init.h>
251 palkovsky 42
#include <arch/cpu.h>
43
#include <print.h>
44
#include <arch/cpuid.h>
452 decky 45
#include <genarch/acpi/acpi.h>
282 palkovsky 46
#include <panic.h>
206 palkovsky 47
 
48
void arch_pre_mm_init(void)
49
{
251 palkovsky 50
    struct cpu_info cpuid_s;
51
 
52
    cpuid(AMD_CPUID_EXTENDED,&cpuid_s);
282 palkovsky 53
    if (! (cpuid_s.cpuid_edx & (1<<AMD_EXT_NOEXECUTE)))
54
        panic("Processor does not support No-execute pages.\n");
55
 
56
    cpuid(INTEL_CPUID_STANDARD,&cpuid_s);
57
    if (! (cpuid_s.cpuid_edx & (1<<INTEL_FXSAVE)))
58
        panic("Processor does not support FXSAVE/FXRESTORE.\n");
59
 
60
    if (! (cpuid_s.cpuid_edx & (1<<INTEL_SSE2)))
61
        panic("Processor does not support SSE2 instructions.\n");
62
 
63
    /* Enable No-execute pages */
251 palkovsky 64
    set_efer_flag(AMD_NXE_FLAG);
282 palkovsky 65
    /* Enable FPU */
66
    cpu_setup_fpu();
251 palkovsky 67
 
206 palkovsky 68
    pm_init();
69
 
70
    if (config.cpu_active == 1) {
71
        bios_init();
72
        i8042_init();   /* a20 bit */
73
        i8259_init();   /* PIC */
74
        i8254_init();   /* hard clock */
75
 
76
        trap_register(VECTOR_SYSCALL, syscall);
77
 
458 decky 78
        #ifdef CONFIG_SMP
206 palkovsky 79
        trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi);
80
        trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi);
458 decky 81
        #endif /* CONFIG_SMP */
206 palkovsky 82
    }
83
}
84
 
85
void arch_post_mm_init(void)
86
{
87
    if (config.cpu_active == 1) {
88
        ega_init(); /* video */
89
    }
90
}
242 palkovsky 91
 
503 jermar 92
void arch_pre_smp_init(void)
242 palkovsky 93
{
94
    if (config.cpu_active == 1) {
95
        memory_print_map();
96
 
458 decky 97
        #ifdef CONFIG_SMP
242 palkovsky 98
        acpi_init();
458 decky 99
        #endif /* CONFIG_SMP */
242 palkovsky 100
    }
101
}
102
 
503 jermar 103
void arch_post_smp_init(void)
104
{
511 jermar 105
        trap_virtual_enable_irqs(1<<IRQ_KBD);
503 jermar 106
}
107
 
242 palkovsky 108
void calibrate_delay_loop(void)
109
{
110
    i8254_calibrate_delay_loop();
111
    i8254_normal_operation();
112
}