some reorganization
This commit is contained in:
Adrien Bourmault
parent
e739070ca5
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516a92973b
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//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: CPUID related functions //
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// //
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// //
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// Copyright © 2018-2019 The OS/K Team //
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// //
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// This file is part of OS/K. //
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// //
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// OS/K is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// any later version. //
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// //
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// OS/K is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY//without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
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//----------------------------------------------------------------------------//
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#ifndef _KALKERN_BASE_H
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#include <kernel/base.h>
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#endif
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#ifndef _KALKERN_CPUID_H
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#define _KALKERN_CPUID_H
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// -------------------------------------------------------------------------- //
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typedef struct Registers_t Registers_t;
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// -------------------------------------------------------------------------- //
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// CPU features masks
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enum {
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FEAT_ECX_SSE3 = 1 << 0,
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FEAT_ECX_PCLMUL = 1 << 1,
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FEAT_ECX_DTES64 = 1 << 2,
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FEAT_ECX_MONITOR = 1 << 3,
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FEAT_ECX_DS_CPL = 1 << 4,
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FEAT_ECX_VMX = 1 << 5,
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FEAT_ECX_SMX = 1 << 6,
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FEAT_ECX_EST = 1 << 7,
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FEAT_ECX_TM2 = 1 << 8,
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FEAT_ECX_SSSE3 = 1 << 9,
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FEAT_ECX_CID = 1 << 10,
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FEAT_ECX_FMA = 1 << 12,
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FEAT_ECX_CX16 = 1 << 13,
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FEAT_ECX_ETPRD = 1 << 14,
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FEAT_ECX_PDCM = 1 << 15,
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FEAT_ECX_PCIDE = 1 << 17,
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FEAT_ECX_DCA = 1 << 18,
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FEAT_ECX_SSE4_1 = 1 << 19,
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FEAT_ECX_SSE4_2 = 1 << 20,
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FEAT_ECX_x2APIC = 1 << 21,
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FEAT_ECX_MOVBE = 1 << 22,
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FEAT_ECX_POPCNT = 1 << 23,
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FEAT_ECX_AES = 1 << 25,
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FEAT_ECX_XSAVE = 1 << 26,
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FEAT_ECX_OSXSAVE = 1 << 27,
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FEAT_ECX_AVX = 1 << 28,
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FEAT_EDX_FPU = 1 << 0,
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FEAT_EDX_VME = 1 << 1,
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FEAT_EDX_DE = 1 << 2,
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FEAT_EDX_PSE = 1 << 3,
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FEAT_EDX_TSC = 1 << 4,
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FEAT_EDX_MSR = 1 << 5,
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FEAT_EDX_PAE = 1 << 6,
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FEAT_EDX_MCE = 1 << 7,
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FEAT_EDX_CX8 = 1 << 8,
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FEAT_EDX_APIC = 1 << 9,
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FEAT_EDX_SEP = 1 << 11,
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FEAT_EDX_MTRR = 1 << 12,
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FEAT_EDX_PGE = 1 << 13,
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FEAT_EDX_MCA = 1 << 14,
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FEAT_EDX_CMOV = 1 << 15,
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FEAT_EDX_PAT = 1 << 16,
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FEAT_EDX_PSE36 = 1 << 17,
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FEAT_EDX_PSN = 1 << 18,
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FEAT_EDX_CLF = 1 << 19,
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FEAT_EDX_DTES = 1 << 21,
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FEAT_EDX_ACPI = 1 << 22,
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FEAT_EDX_MMX = 1 << 23,
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FEAT_EDX_FXSR = 1 << 24,
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FEAT_EDX_SSE = 1 << 25,
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FEAT_EDX_SSE2 = 1 << 26,
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FEAT_EDX_SS = 1 << 27,
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FEAT_EDX_HTT = 1 << 28,
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FEAT_EDX_TM1 = 1 << 29,
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FEAT_EDX_IA64 = 1 << 30,
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FEAT_EDX_PBE = 1 << 31
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};
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// -------------------------------------------------------------------------- //
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struct Registers_t
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{
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ulong ds;
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ulong rdi, rsi, rbp, rsp, rbx, rdx, rcx, rax;
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ulong intNo, errCode;
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ulong rip, cs, eflags, useresp, ss;
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} __attribute__((packed));
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// -------------------------------------------------------------------------- //
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#endif
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@ -0,0 +1,132 @@
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#ifndef _KALKERN_BASE_H
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#include <kernel/base.h>
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#endif
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#ifndef _KALKERN_IDT_H
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#define _KALKERN_IDT_H
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typedef struct IdtDescriptor_t IdtDescriptor_t;
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typedef struct IdtEntry_t IdtEntry_t;
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typedef struct IdtPtr_t IdtPtr_t;
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typedef struct IRQList_t IRQList_t;
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// -------------------------------------------------------------------------- //
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#define interrupt(n) asm volatile ("int %0" : : "N" (n) : "cc", "memory") \
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// -------------------------------------------------------------------------- //
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struct IdtDescriptor_t {
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ushort limit;
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ulong base;
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} __attribute__((packed)) ;
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struct IdtEntry_t
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{
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ushort baseLow;
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ushort selector;
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uchar reservedIst;
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uchar flags;
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ushort baseMid;
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uint baseHigh;
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uint reserved;
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} __attribute__((packed));
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struct IdtPtr_t
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{
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ushort limit;
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void *base;
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} __attribute__((packed));
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struct IRQList_t
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{
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uchar n; //number of entries in the list
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struct entry {
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void (*isr)(void);
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uchar irq;
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ulong base;
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ushort selector;
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uchar flags;
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} entry[225];
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};
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static char *IsrExceptions[32] = {
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"Divide Error Fault",
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"Debug Exception Trap",
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"Non-maskable Interrupt",
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"Breakpoint Trap",
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"Overflow Trap",
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"Bound Range Exceeded Fault",
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"Invalid Opcode Fault",
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"Device Not Available or No Math Coprocessor Fault",
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"Double Fault Abort",
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"Coprocessor Segment Overrun Fault",
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"Invalid TSS Fault",
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"Segment Not Present Fault",
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"Stack Segment fault",
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"General Protection Fault",
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"Page Fault",
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"Intel Reserved",
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"x87 FPU Floating Point or Math Fault",
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"Alignment Check Fault",
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"Machine Check Abort",
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"SIMD Floating Point Fault",
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"Virtualization Exception Fault",
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"Intel Reserved",
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"Intel Reserved",
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"Intel Reserved",
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"Intel Reserved",
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"Intel Reserved",
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"Intel Reserved",
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"Intel Reserved",
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"Intel Reserved",
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"Intel Reserved",
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"Intel Reserved",
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"Intel Reserved"
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};
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// -------------------------------------------------------------------------- //
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void IdtRegisterIrq(void (*isr)(void), uchar irq, uchar flags);
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void IdtSetup(void);
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void IdtSetGate(uchar rank, ulong base, ushort selector, uchar flags);
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void IdtHandler(ulong intNo);
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static void DisablePIC(void);
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static void SendEOItoPIC(uchar isr);
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extern void CpuIdtInit();
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extern void isr0();
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extern void isr1();
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extern void isr2();
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extern void isr3();
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extern void isr4();
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extern void isr5();
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extern void isr6();
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extern void isr7();
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extern void isr8();
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extern void isr9();
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extern void isr10();
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extern void isr11();
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extern void isr12();
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extern void isr13();
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extern void isr14();
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extern void isr15();
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extern void isr16();
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extern void isr17();
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extern void isr18();
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extern void isr19();
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extern void isr20();
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extern void isr21();
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extern void isr22();
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extern void isr23();
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extern void isr24();
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extern void isr25();
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extern void isr26();
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extern void isr27();
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extern void isr28();
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extern void isr29();
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extern void isr30();
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extern void isr31();
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#endif
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