📄 kernel.h
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#ifndef _WAV_KERNEL_H_
#define _WAV_KERNEL_H_
#include <Time.h>
#define INTERRUPT_CLI asm cli
#define INTERRUPT_STI asm sti
#define MICRODELAY_TIME_1 298u
#define MICRODELAY_TIME_2 596u
#define MICRODELAY_TIME_3 894u
#define MICRODELAY_TIME_4 1193u
#define MICRODELAY_TIME_5 1491u
#define MICRODELAY_TIME_6 1789u
#define MICRODELAY_TIME_7 2088u
#define MICRODELAY_TIME_8 2386u
#define MICRODELAY_TIME_9 2684u
#define MICRODELAY_TIME_10 2982u
#define MICRODELAY_TIME_11 3281u
#define MICRODELAY_TIME_12 3579u
#define MICRODELAY_TIME_13 3877u
#define MICRODELAY_TIME_14 4176u
#define MICRODELAY_TIME_15 4474u
#define MICRODELAY_TIME_16 4772u
#define MICRODELAY_TIME_17 5071u
#define MICRODELAY_TIME_18 5369u
#define MICRODELAY_TIME_19 5667u
#define MICRODELAY_TIME_20 5965u
#define MICRODELAY_TIME_21 6264u
#define MICRODELAY_TIME_22 6562u
#define MICRODELAY_TIME_23 6860u
#define MICRODELAY_TIME_24 7159u
#define MICRODELAY_TIME_25 7457u
#define MICRODELAY_TIME_26 7755u
#define MICRODELAY_TIME_27 8053u
#define MICRODELAY_TIME_28 8352u
#define MICRODELAY_TIME_29 8650u
#define MICRODELAY_TIME_30 8948u
#define MICRODELAY_TIME_31 9247u
#define MICRODELAY_TIME_32 9545u
#define MICRODELAY_TIME_33 9843u
#define MICRODELAY_TIME_34 10142u
#define MICRODELAY_TIME_35 10440u
#define MICRODELAY_TIME_36 10738u
#define MICRODELAY_TIME_37 11036u
#define MICRODELAY_TIME_38 11335u
#define MICRODELAY_TIME_39 11633u
#define MICRODELAY_TIME_40 11931u
#define MICRODELAY_TIME_41 12230u
#define MICRODELAY_TIME_42 12528u
#define MICRODELAY_TIME_43 12826u
#define MICRODELAY_TIME_44 13124u
#define MICRODELAY_TIME_45 13423u
#define MICRODELAY_TIME_46 13721u
#define MICRODELAY_TIME_47 14019u
#define MICRODELAY_TIME_48 14318u
#define MICRODELAY_TIME_49 14616u
#define MICRODELAY_TIME_50 14914u
#define MICRODELAY_TIME_51 15213u
#define MICRODELAY_TIME_52 15511u
#define MICRODELAY_TIME_53 15809u
#define MICRODELAY_TIME_54 16107u
#define MICRODELAY_TIME_55 16406u
#define MICRODELAY_TIME_56 16704u
#define MICRODELAY_TIME_57 17002u
#define MICRODELAY_TIME_58 17301u
#define MICRODELAY_TIME_59 17599u
//This is the status of process
#define PROCESS_STATE_EMPTY 0
#define PROCESS_STATE_CREATE 1
#define PROCESS_STATE_READY 2
#define PROCESS_STATE_RUNNING 3
#define PROCESS_STATE_SWAP 4
#define PROCESS_STATE_SLEEP 5
#define PROCESS_STATE_EXIT 6
#define PROCESS_STATE_SUSPEND 7
#define PROCESS_STATE_WAITOBJECT 8
//This is the priority of Process
#define IDLE_PRIORITY_CLASS (29 - 1)
#define NORMAL_PRIORITY_CLASS (30 - 1)
#define HIGH_RIORITY_CLASS (31 - 1)
#define REALTIME_PRIORITY_CLASS (32 - 1)
//This is the priority of Thread
#define THREAD_PRIORITY_CRITICAL (1 - 1)
#define THREAD_PRIORITY_HIGHEST (2 - 1)
#define THREAD_PRIORITY_ABOVE_NORMAL (3 - 1)
#define THREAD_PRIORITY_NORMAL (4 - 1)
#define THREAD_PRIORITY_BELOW_NORMAL (5 - 1)
#define THREAD_PRIORITY_LOWEST (27 - 1)
#define THREAD_PRIORITY_IDLE (28 - 1)
#define SYNOBJECT_NULL 0
#define SYNOBJECT_CRI 1 //临界
#define SYNOBJECT_SEM 2 //信号量
#define SYNOBJECT_MUTEX 3 //互斥
#define SYNOBJECT_EVENT 4 //事件
#define SYNOBJECT_MAILBOX 5 //邮箱
#define SYNOBJECT_PIPE 6 //管道
#define MAX_SYNOBJECT_COUNT 10
#define MAX_PROCESS_COUNT 10
#define DEFAULT_STACK_SIZE (4u*1024u)
//安全属性
typedef struct _SECURITY_ATTRIBUTES { // sa
DWORD nLength;
LPVOID lpSecurityDescriptor;
BOOL bInheritHandle;
} SECURITY_ATTRIBUTES, *LPSECURITY_ATTRIBUTES;
#define CRITICAL_SECTION ULONG
typedef CRITICAL_SECTION* LPCRITICAL_SECTION;
//同步对象属性
struct SYNOBJECT
{
//类型
WORD wStyle;
//安全属性
SECURITY_ATTRIBUTES mSecurityAttrib;
union
{
BOOL bCriticalSection; //临界
BOOL bMutex; //互斥
WORD wSemCount; //信号量
BOOL bEvent; //事件
void* pMailBox; //邮箱
void* pPipe; //管道
}object;
union
{
BOOL bManualReset; //事件
long lMaximumCount;//信号量
DWORD dwSpinCount; //临界
}attrib;
//线程占用信息
DWORD dwTask;
DWORD dwUserCount;
//用户信息
void* pUser;
};
//任务时钟属性
struct TIME_KERNEL
{
int nHour;
int nMin;
int nSec;
int nHun;
DWORD dwDate;
};
//PCB控制块
struct WAVE_PROCESS_TCB
{
//任务统计
DWORD dwCounter;
//任务存在标志
BOOL bExist;
//CPU寄存器
WORD wBp;
WORD wDi;
WORD wSi;
WORD wDs;
WORD wEs;
WORD wDx;
WORD wCx;
WORD wBx;
WORD wAx;
WORD wIp;
WORD wCs;
WORD wFlags;
WORD wSs;
WORD wSp;
//FPU的寄存器
BYTE by80x87[94];
//推栈指针
void* pStack;
//推栈尺寸
WORD wStackSize;
//回调函数
int (*pFc)(DWORD);
//回调函数参数
DWORD dwParam;
//任务状态
DWORD dwState;
//任务时间
TIME_KERNEL mTimeKernel;
//任务优先级
DWORD dwPriority;
//占用的同步对象
DWORD dwTask;
};
//初始化多任务管理器
BOOL KernelInitProcess();
//退同多任务管理器
BOOL KernelCloseProcess();
//void KernelOpenLoop_Hardware();
//void KernelCloseLoop_Hardware();
//void KernelSaveLoop_Hardware();
//WORD KernelSaveLoop();
//void KernelRestoreLoop(WORD wKernel);
//WORD KernelSaveAndCloseLoop();
//调度器加锁（软件）
void AfxKernelLock_Software();
//调度器解锁（软件）
void AfxKernelUnlock_Software();
//调度器加锁（硬件）
void AfxKernelLock_Hardware();
//调度器解锁（硬件）
void AfxKernelUnlock_Hardware();
//启动一个进程
int AfxBeginProcess(int (*pFc)(DWORD) , DWORD dwParam,
WORD wStackSize= DEFAULT_STACK_SIZE);
//结束一个进程
int AfxEndProcess(int hProcess);
//获得当前进程的进程号
int AfxGetTaskNo();
//挂起指定进程
int AfxSuspendTask(int nProcess);
//恢复指定进程
int AfxResumeTask(int nProcess);
//强置进程时间片用完
void AfxSwapProcess();
//uS级的Delay函数，入口参数是计数值,采用8253的"1"号定时器
void AfxMicroDelay(WORD wCounter);
//获得时间（多任务版本）
void far GetTime(struct time* pTime);
//获得日期（多任务版本）
void far GetDate(struct date* pDate);
//判断是否有键盘消息（多任务版本）
BOOL far AfxKbhit();
//Delay函数（多任务版本），只有55mS精确度
void KernelDelay(WORD wMilliSeconds);
void __MultiTaskDelay(WORD wMilliSeconds);
//获得系统计数值
DWORD AfxGetSystemCounter();
//获得BIOS计数值
DWORD AfxGetBiosCounter();
//==============================================
//建立互斥
HANDLE AfxCreateMutex(LPSECURITY_ATTRIBUTES lpMutexAttributes,
BOOL bInitialOwner, LPCTSTR lpName);
//释放互斥
BOOL AfxReleaseMutex(int hMutex);
//打开命名互斥名柄
HANDLE AfxOpenMutex(DWORD dwDesiredAccess,
BOOL bInheritHandle, LPCTSTR lpName);
//==============================================
//建立事件
HANDLE AfxCreateEvent(LPSECURITY_ATTRIBUTES lpEventAttributes,
BOOL bManualReset, BOOL bInitialState, LPCTSTR lpName);
//打开命名事件名柄
HANDLE AfxOpenEvent(DWORD dwDesiredAccess,
BOOL bInheritHandle, LPCTSTR lpName);
//事件复位(非信号态)
BOOL AfxResetEvent(HANDLE hEvent);
//事件置位(信号态)
BOOL AfxSetEvent(HANDLE hEvent);
//触发相应次数的事件
BOOL AfxPulseEvent(HANDLE hEvent);
//=====================================
//作用建立信号量
HANDLE CreateSemaphore(LPSECURITY_ATTRIBUTES lpSemaphoreAttributes,
LONG lInitialCount, LONG lMaximumCount, LPCTSTR lpName);
//释放信号量资源
BOOL ReleaseSemaphore(HANDLE hSemaphore,
LONG lReleaseCount, LPLONG lpPreviousCount);
//打开命名信号量名柄
HANDLE OpenSemaphore(DWORD dwDesiredAccess,
BOOL bInheritHandle, LPCTSTR lpName);
//=====================================
//初始化临界
VOID InitializeCriticalSection(
LPCRITICAL_SECTION lpCriticalSection // address of critical
// section object
);
//删除临界
VOID DeleteCriticalSection(
LPCRITICAL_SECTION lpCriticalSection // pointer to critical
// section object
);
//初始化临界并且
BOOL InitializeCriticalSectionAndSpinCount(
LPCRITICAL_SECTION lpCriticalSection,
// pointer to critical section
DWORD dwSpinCount // spin count for critical section
);
//偿试进入临界
BOOL TryEnterCriticalSection(
LPCRITICAL_SECTION lpCriticalSection // pointer to critical
// section object
);
//进入临界状态
VOID EnterCriticalSection(
LPCRITICAL_SECTION lpCriticalSection // pointer to critical section object
);
//离开临界状态
VOID LeaveCriticalSection(
LPCRITICAL_SECTION lpCriticalSection // address of critical
// section object
);
//设置临界扇出计数器
DWORD SetCriticalSectionSpinCount(
LPCRITICAL_SECTION lpCriticalSection, DWORD dwSpinCount);
//=====================================
//关闭同步对象
BOOL AfxCloseSynobject(HANDLE hObject);
//给同步对象加锁
BOOL AfxSynObjectLock(HANDLE hObject);
//给同步对象解锁
BOOL AfxSynObjectUnlock(HANDLE hObect);
#endif
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