root/kstructs.h

INCLUDED FROM

#ifndef CKSTRUCTS_H
#define CKSTRUCTS_H

struct Task
{
   struct Task   *nexttask;
   unsigned char waiting;
   long          rax;
   long          rbx;
   long          rcx;
   long          rdx;
   long          rbp;
   long          rsi;
   long          rdi;
   long          rsp;
   long          r8;
   long          r9;
   long          r10;
   long          r11;
   long          r12;
   long          r13;
   long          r14;
   long          r15;
   long          rflags;
   short int     ds;
   short int     es;
   short int     fs;
   short int     gs;
   short int     ss;
   long          cr3;
   long          firstdata;
   long          firstfreemem;
   long          nextpage;
   long          pid;
   long          timer;
   char          *environment;
        struct MessagePort * parentPort;
};

struct Message
{
   struct Message *nextMessage;
   unsigned char  byte;
   long           quad;
   long           quad2;
   long           quad3;
   long           tempPort;
   long           pid;
};

struct MessagePort
{
   struct Task    *waitingProc;
   struct Message *msgQueue;
};

struct MemStruct
{
   struct MemStruct *next;
   long             size;
   long             pid;
};

struct clusterListEntry
{
   struct clusterListEntry *next;
   unsigned short          cluster;
};

struct FCB
{
   struct DirEntry *directory;
   unsigned int    length;
   unsigned long   startSector;
   unsigned long   nextSector;
   unsigned long   sectorInCluster;
   unsigned short  currentCluster;
   unsigned short  startCluster;
   unsigned long   fileCursor;
   unsigned short  bufCursor;
   unsigned char   bufIsDirty;          // 0 = clean, 1 = dirty
   unsigned char   *filebuf;
   long            pid;
};

#define SWTASKS      asm ("int $20")
#define SWTASKS15    asm ("mov %rdi, %r15"); asm ("int $22")

#endif