1
0
mirror of https://gitlab.os-k.eu/os-k-team/os-k.git synced 2023-08-25 14:03:10 +02:00
os-k/include/kernel.h

236 lines
7.4 KiB
C
Raw Normal View History

2019-01-21 15:00:04 +01:00
//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
2019-02-16 23:36:33 +01:00
// Desc: Kaleid kernel base include file //
2019-01-21 15:00:04 +01:00
// //
2019-02-16 23:36:33 +01:00
// //
// Copyright © 2018-2020 The OS/K Team //
2019-02-16 23:36:33 +01:00
// //
// This file is part of OS/K. //
// //
// OS/K is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// any later version. //
// //
// OS/K is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
2019-01-21 15:00:04 +01:00
//----------------------------------------------------------------------------//
2019-05-13 23:22:27 +02:00
#ifndef _LIBC_H
#include <libc.h>
2019-01-21 15:00:04 +01:00
#endif
2019-05-13 23:22:27 +02:00
#ifndef _KERNEL_H
#define _KERNEL_H
2019-01-21 15:00:04 +01:00
2019-05-01 14:17:16 +02:00
//----------------------------------------------------------------------------//
2019-01-21 15:00:04 +01:00
2019-05-13 23:22:27 +02:00
typedef volatile ulong Spinlock_t;
typedef Spinlock_t Lock_t;
//typedef struct Lock_t Lock_t;
2019-05-14 11:48:07 +02:00
typedef struct Time_t Time_t;
2019-11-15 00:09:20 +01:00
typedef struct Timer_t Timer_t;
2019-05-01 14:17:16 +02:00
typedef struct Buffer_t Buffer_t;
typedef struct ListHead_t ListHead_t;
typedef struct ListNode_t ListNode_t;
typedef struct Thread_t Thread_t;
typedef struct Process_t Process_t;
typedef struct BootInfo_t BootInfo_t;
2019-05-09 21:57:54 +02:00
typedef struct CpuCore_t CpuCore_t;
typedef struct CpuInfo_t CpuInfo_t;
2019-05-01 14:17:16 +02:00
typedef struct ISRFrame_t ISRFrame_t;
2019-05-09 21:57:54 +02:00
typedef enum ProcState_t ProcState_t;
2019-05-01 14:17:16 +02:00
typedef struct IdtDescriptor_t IdtDescriptor_t;
typedef struct IdtEntry_t IdtEntry_t;
typedef struct IdtPtr_t IdtPtr_t;
2019-05-06 22:04:22 +02:00
typedef struct ISRList_t ISRList_t;
2019-05-01 14:17:16 +02:00
typedef struct ISRFrame_t ISRFrame_t;
2020-02-09 16:52:41 +01:00
typedef struct RSDPDescriptor_t RSDPDescriptor_t;
typedef struct SDTHeader_t SDTHeader_t;
typedef struct FADT_t FADT_t;
2020-02-03 11:58:34 +01:00
2019-05-01 14:17:16 +02:00
typedef struct MemoryMap_t MemoryMap_t;
typedef struct MapEntry_t MapEntry_t;
typedef struct GdtEntry_t GdtEntry_t;
typedef struct GdtPtr_t GdtPtr_t;
2019-11-11 23:57:31 +01:00
typedef struct Tss_t Tss_t;
2019-05-13 18:07:45 +02:00
typedef struct TssDescriptor_t TssDescriptor_t;
2019-03-24 14:44:59 +01:00
2019-05-01 14:17:16 +02:00
//----------------------------------------------------------------------------//
2019-01-21 15:00:04 +01:00
//
// Holds all CPU-local variables
2019-01-21 15:00:04 +01:00
//
2019-05-09 21:57:54 +02:00
struct CpuCore_t
{
// CPU number, index in CPU list
int index;
2019-01-21 15:00:04 +01:00
2019-03-25 23:10:06 +01:00
// CPU APIC id
int apicId;
2019-04-05 10:20:10 +02:00
2019-05-09 21:57:54 +02:00
CpuInfo_t *infos;
2019-03-25 23:10:06 +01:00
// Number of ticks since boot time
2019-05-09 21:57:54 +02:00
ulong ticks; // XXX I/O APIC
2019-01-21 15:00:04 +01:00
// Current process & thread
Process_t *process;
Thread_t *thread;
// Need re-schedule?
bool needReSched;
// Is preemption ON? ("PREEMPT_ON" in sched.h)
ulong preemptCount;
// List heads for the four priority classes
ListHead_t *idlePrioProcs;
ListHead_t *reglPrioProcs;
ListHead_t *servPrioProcs;
ListHead_t *timeCritProcs;
};
2019-05-09 21:57:54 +02:00
struct CpuInfo_t
{
// CPU Vendor String (always 12 characters)
char vendorStr[12];
// CPU Model code (enum in cpu.h)
int modelCode;
// CPU Features flag
uint featureFlag;
2019-11-15 00:09:20 +01:00
// CPU Frequency (Hz)
double frequency;
2019-05-09 21:57:54 +02:00
};
2019-04-27 00:04:27 +02:00
struct ISRFrame_t {
2019-05-18 20:31:02 +02:00
/* The registers */
ulong efer;
ulong cr0;
ulong cr2;
ulong cr3;
ulong cr4;
ulong cr8;
ulong r15;
ulong r14;
ulong r13;
ulong r12;
ulong r11;
ulong r10;
ulong r9;
ulong r8;
ulong rbp;
ulong rdi;
ulong rsi;
ulong rdx;
ulong rcx;
ulong rbx;
ulong rax;
2019-05-06 21:08:16 +02:00
/* The error code and interrupt id */
ulong intNo;
ulong ErrorCode;
/* These are pushed automatically by the CPU */
ulong rip;
ulong cs;
ulong rflags;
ulong rsp;
ulong ss;
2019-04-27 00:04:27 +02:00
} __attribute__((__packed__));
2019-05-01 14:17:16 +02:00
//----------------------------------------------------------------------------//
2019-03-24 14:44:59 +01:00
2019-04-06 07:53:58 +02:00
#ifndef NCPUS
#define NCPUS 1
#endif
2019-03-18 17:43:41 +01:00
2019-04-06 07:53:58 +02:00
// Current CPU number
#define _KeCurCPU 0
2019-05-09 21:57:54 +02:00
extern int KeCPUCount;
extern volatile CpuCore_t *KeCurCPU;
extern CpuCore_t _KeCPUTable[NCPUS];
2019-03-24 14:44:59 +01:00
2019-05-01 14:17:16 +02:00
//----------------------------------------------------------------------------//
2019-05-13 23:22:27 +02:00
#define KeCurProc (KeCurCPU->process)
#define KeCurThread (KeCurCPU->thread)
//----------------------------------------------------------------------------//
2019-05-29 14:34:37 +02:00
#ifndef _ASM_H
2019-05-13 23:22:27 +02:00
#include <asm.h>
2019-05-29 14:34:37 +02:00
#endif
2019-05-13 23:22:27 +02:00
//----------------------------------------------------------------------------//
2019-04-05 10:20:10 +02:00
#define DEC_PER_CPU(pref, name, field, type) \
static inline type pref##Get##name() { return KeGetCurCPU()->field; } \
static inline void _##pref##Set##name(type __val) \
{ KeGetCurCPU()->field = __val; }
2019-01-21 15:00:04 +01:00
2019-05-01 14:17:16 +02:00
//----------------------------------------------------------------------------//
2019-02-06 14:07:38 +01:00
2019-05-13 20:34:41 +02:00
#ifdef NDEBUG
#define DEBUG if(0)
#else
#define DEBUG if(1)
#endif
//----------------------------------------------------------------------------//
2019-04-06 07:53:58 +02:00
error_t KernLog(const char *, ...);
2019-05-27 20:45:05 +02:00
#ifndef NDEBUG
2019-04-06 07:53:58 +02:00
void DebugLog(const char *, ...);
#else
#define DebugLog(fmt, ...) ((void)0)
#endif
2019-05-01 14:17:16 +02:00
//----------------------------------------------------------------------------//
2019-04-06 07:53:58 +02:00
extern volatile bool KeIsPanicking;
noreturn void KeStartPanic(const char *, ...);
2019-01-21 15:00:04 +01:00
2019-05-01 14:17:16 +02:00
//----------------------------------------------------------------------------//
2019-01-21 15:00:04 +01:00
2019-04-23 11:32:45 +02:00
#define XBUG(c) do { \
volatile ushort *_vga \
=(volatile ushort*)0xB8000; \
2019-05-01 14:17:16 +02:00
while(_vga<(volatile ushort*)(0xB8000+(80*25*2))) \
2019-04-23 11:32:45 +02:00
*_vga++=(c|(0xf<<8)); \
asm volatile("cli\nhlt"); \
}while(1)
2019-04-23 11:32:45 +02:00
#define BUG() XBUG('B')
#define BUGON(x) if(x)BUG()
2019-05-01 14:17:16 +02:00
2019-05-07 23:16:56 +02:00
//----------------------------------------------------------------------------//
2019-05-07 22:32:17 +02:00
#define __GET_GETRIP() \
__attribute__((__noinline__)) \
static ulong __getrip() \
{ return (size_t)__builtin_return_address(0); }
#define __PRINT_RIP() \
DebugLog("%s.RIP=%p\n",__func__,__getrip())
2019-05-01 14:17:16 +02:00
//----------------------------------------------------------------------------//
2019-04-23 11:32:45 +02:00
2019-01-21 15:00:04 +01:00
#endif