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| Rev | Author | Line No. | Line |
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| 206 | palkovsky | 1 | /* |
| 2 | * Copyright (C) 2005 Ondrej Palkovsky |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #include <arch.h> |
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| 30 | |||
| 31 | #include <arch/types.h> |
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| 32 | |||
| 33 | #include <config.h> |
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| 34 | |||
| 35 | #include <arch/ega.h> |
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| 36 | #include <arch/i8042.h> |
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| 37 | #include <arch/i8254.h> |
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| 38 | #include <arch/i8259.h> |
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| 39 | |||
| 40 | #include <arch/bios/bios.h> |
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| 242 | palkovsky | 41 | #include <arch/mm/memory_init.h> |
| 251 | palkovsky | 42 | #include <arch/cpu.h> |
| 43 | #include <print.h> |
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| 44 | #include <arch/cpuid.h> |
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| 265 | palkovsky | 45 | #include <arch/acpi/acpi.h> |
| 282 | palkovsky | 46 | #include <panic.h> |
| 206 | palkovsky | 47 | |
| 48 | void arch_pre_mm_init(void) |
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| 49 | { |
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| 251 | palkovsky | 50 | struct cpu_info cpuid_s; |
| 51 | |||
| 52 | cpuid(AMD_CPUID_EXTENDED,&cpuid_s); |
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| 282 | palkovsky | 53 | if (! (cpuid_s.cpuid_edx & (1<<AMD_EXT_NOEXECUTE))) |
| 54 | panic("Processor does not support No-execute pages.\n"); |
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| 55 | |||
| 56 | cpuid(INTEL_CPUID_STANDARD,&cpuid_s); |
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| 57 | if (! (cpuid_s.cpuid_edx & (1<<INTEL_FXSAVE))) |
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| 58 | panic("Processor does not support FXSAVE/FXRESTORE.\n"); |
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| 59 | |||
| 60 | if (! (cpuid_s.cpuid_edx & (1<<INTEL_SSE2))) |
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| 61 | panic("Processor does not support SSE2 instructions.\n"); |
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| 62 | |||
| 63 | /* Enable No-execute pages */ |
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| 251 | palkovsky | 64 | set_efer_flag(AMD_NXE_FLAG); |
| 282 | palkovsky | 65 | /* Enable FPU */ |
| 66 | cpu_setup_fpu(); |
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| 251 | palkovsky | 67 | |
| 206 | palkovsky | 68 | pm_init(); |
| 69 | |||
| 70 | if (config.cpu_active == 1) { |
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| 71 | bios_init(); |
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| 72 | i8042_init(); /* a20 bit */ |
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| 73 | i8259_init(); /* PIC */ |
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| 74 | i8254_init(); /* hard clock */ |
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| 75 | |||
| 76 | trap_register(VECTOR_SYSCALL, syscall); |
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| 77 | |||
| 78 | #ifdef __SMP__ |
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| 79 | trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi); |
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| 80 | trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi); |
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| 81 | #endif /* __SMP__ */ |
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| 82 | } |
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| 83 | } |
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| 84 | |||
| 85 | void arch_post_mm_init(void) |
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| 86 | { |
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| 87 | if (config.cpu_active == 1) { |
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| 88 | ega_init(); /* video */ |
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| 89 | } |
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| 90 | } |
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| 242 | palkovsky | 91 | |
| 92 | void arch_late_init(void) |
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| 93 | { |
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| 94 | if (config.cpu_active == 1) { |
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| 95 | memory_print_map(); |
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| 96 | |||
| 97 | #ifdef __SMP__ |
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| 98 | acpi_init(); |
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| 99 | #endif /* __SMP__ */ |
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| 100 | } |
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| 101 | } |
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| 102 | |||
| 103 | void calibrate_delay_loop(void) |
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| 104 | { |
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| 105 | i8254_calibrate_delay_loop(); |
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| 106 | i8254_normal_operation(); |
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| 107 | } |