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[tpg/acess2.git] / Kernel / arch / archdoc.h

diff --git a/Kernel/arch/archdoc.h b/Kernel/arch/archdoc.h
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--- a/Kernel/arch/archdoc.h
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-/**
- * \file archdoc.h
- * \brief Documentation Definitions for the Acess 2 Architecture Interface
- * \author John Hodge (thePowersGang)
- * 
- * Acess 2 allows different architecture builds to be made off almost
- * the same source tree. The difference between the trees is the inclusion
- * of a different directory from the "Kernel/arch/" directory that
- * contains the architecture specific intialisation and management code.
- * Each achitecture tree must provide all the definitions from this
- * document in some form or another (usually in the most efficient way
- * avaliable)
- * The values and types used in this documentation are a guide only and
- * will most probably be incorrect for most architectures.
- */
-#ifndef _ARCHDOC_H_
-#define _ARCHDOC_H_
-
-/**
- * \brief Maximum number of CPUs supported by this architecture driver
- *        (in the current build)
- */
-#define        MAX_CPUS        1
-/**
- * \brief Number of bits in a machine word (Uint)
- */
-#define        BITS    32
-/**
- * \brief Number of valid bits in a \a tPAddr
- */
-#define        PHYS_BITS       32
-
-/**
- * \name Syncronisation Primitives
- * \{
- */
-/**
- * \brief Spinlock type
- */
-typedef volatile int   tSpinlock;
-/**
- * \brief Acquire a spinlock
- */
-#define LOCK(lockptr)  do{while(*(tSpinlock*)lockptr)Threads_Yield();*(tSpinlock*)lockptr=1;}while(0)
-/**
- * \brief Release a held spinlock
- */
-#define RELEASE(lockptr)       do{*(tSpinlock*)lockptr=0;}while(0)
-/**
- * \}
- */
-//#define      HALT()  __asm__ __volatile__ ("hlt")
-
-
-/**
- * \name Atomic Types
- * \{
- */
-typedef unsigned int   Uint;   //!< Unsigned machine native integer
-typedef unsigned char  Uint8;  //!< Unsigned 8-bit integer
-typedef unsigned short Uint16; //!< Unsigned 16-bit integer
-typedef unsigned long  Uint32; //!< Unsigned 32-bit integer
-typedef unsigned long long     Uint64; //!< Unsigned 64-bit integer
-typedef signed int             Sint;   //!< Signed Machine Native integer
-typedef signed char            Sint8;  //!< Signed 8-bit integer
-typedef signed short   Sint16; //!< Signed 16-bit integer
-typedef signed long            Sint32; //!< Signed 32-bit integer
-typedef signed long long       Sint64; //!< Signed 16-bit integer
-/**
- * \}
- */
-
-typedef Uint   size_t; //!< Counter/Byte count type
-typedef Uint32 tVAddr; //!< Virtual address type
-typedef Uint32 tPAddr; //!< Physical Address type
-
-/**
- * \brief Register state passed to the syscall handler
- * 
- * The \a tSyscallRegs structure allows the system call handler to read
- * the user state to get the arguments for the call. It also allows the
- * handler to alter specific parts of the user state to reflect the
- * result of the call.
- * \note The fields shown here are need only be present in the actual
- *       structure, in any order. The implementation may also add more
- *       fields for padding purposes.
- */
-typedef struct {
-       Uint    Arg4;   //!< Fourth argument
-       Uint    Arg3;   //!< Third argument
-       Uint    Arg2;   //!< Second argument
-       union {
-               Uint    Arg1;   //!< First arugment
-               Uint    RetHi;  //!< High part of the return
-       };
-       union {
-               Uint    Num;    //!< Call Number
-               Uint    Return; //!< Low return value
-       };
-       
-       Uint    StackPointer;   //!< User stack pointer
-}      tSyscallRegs;
-
-/**
- * \brief Opaque structure definining the MMU state for a task
- */
-typedef struct sMemoryState    tMemoryState;
-
-/**
- * \brief Opque structure defining the CPU state for a task
- */
-typedef struct sTaskState      tTaskState;
-
-
-/**
- * \name Memory Management
- * \{
- */
-/**
- * \}
- */
-
-
-#endif