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120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: Kaleid kernel base include file //
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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 _KALBASE_H
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#include <kalbase.h>
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#endif
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#ifdef __cplusplus
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#error "Kaleid's kernel won't compile in C++"
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#endif
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#ifndef _KALKERN_BASE_H
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#define _KALKERN_BASE_H
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//------------------------------------------//
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typedef struct Lock_t Lock_t;
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typedef struct Thread_t Thread_t;
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typedef struct Process_t Process_t;
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typedef struct Terminal_t Terminal_t;
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typedef struct ListHead_t ListHead_t;
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typedef struct ListNode_t ListNode_t;
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typedef struct Processor_t Processor_t;
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typedef enum ProcState_t ProcState_t;
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typedef enum TermColor_t TermColor_t;
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typedef enum KernelState_t KernelState_t;
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//------------------------------------------//
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// Multiprocessor misc. //
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//------------------------------------------//
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#ifndef NCPUS
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#define NCPUS 1
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#endif
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// Current CPU number
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// Will return a CPU-local variable later
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#define _GetCurCPU() 0
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// Get Process_t structure of current CPU
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#define GetCurCPU() (cpuTable[_GetCurCPU()])
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//------------------------------------------//
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//
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// Holds all CPU-local variables
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//
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struct Processor_t
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{
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// CPU number, index in CPU list
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int index;
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// Panic string
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char panicStr[1024];
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// Number of ticks since boot time
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ulong ticks;
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// Current process & thread
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Process_t *process;
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Thread_t *thread;
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// Need re-schedule?
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bool needReSched;
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// Is preemption ON? ("PREEMPT_ON" in sched.h)
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ulong preemptCount;
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// List heads for the four priority classes
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ListHead_t *idlePrioProcs;
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ListHead_t *reglPrioProcs;
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ListHead_t *servPrioProcs;
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ListHead_t *timeCritProcs;
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};
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//------------------------------------------//
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extern int cpuCount;
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extern Processor_t cpuTable[NCPUS];
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//------------------------------------------//
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#define DEC_PER_CPU(name, field, type) \
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static inline type Get##name() { return GetCurCPU().field; } \
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static inline void _Set##name(type __val) { GetCurCPU().field = __val; }
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//------------------------------------------//
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// Needed by basically everyone
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#ifndef _KALEXTRAS_LOCKS_H
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#include <extras/locks.h>
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#endif
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//------------------------------------------//
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#endif
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