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/*--------------------------------------------------------------------

 * TITLE: OS stubs

 * AUTHOR: Steve Rhoads (rhoadss@yahoo.com)

 * DATE CREATED: 2/18/08

 * FILENAME: os_stubs.c

 * PROJECT: Plasma CPU core

 * COPYRIGHT: Software placed into the public domain by the author.

 *    Software 'as is' without warranty.  Author liable for nothing.

 * DESCRIPTION:

 *--------------------------------------------------------------------*/

#include <stdlib.h>

#include "plasma.h"

#include "rtos.h"

unsigned char *flash;

int beenInit;

void FlashRead(uint16 *dst, uint32 byteOffset, int bytes)

{

   if(beenInit == 0)

   {

      beenInit = 1;

      flash = (unsigned char*)malloc(1024*1024*16);

      memset(flash, 0xff, sizeof(flash));

   }

   memcpy(dst, flash+byteOffset, bytes);

}

void FlashWrite(uint16 *src, uint32 byteOffset, int bytes)

{

   memcpy(flash+byteOffset, src, bytes);

}

void FlashErase(uint32 byteOffset)

{

   memset(flash+byteOffset, 0xff, 1024*128);

}

//Stub out RTOS functions

void UartPrintfCritical(const char *format, ...) {(void)format;}

uint32 OS_AsmInterruptEnable(uint32 state)   {(void)state; return 0;}

void OS_Assert(void)                         {}

OS_Thread_t *OS_ThreadSelf(void)             {return NULL;}

void OS_ThreadSleep(int ticks)               {(void)ticks;}

uint32 OS_ThreadTime(void)                   {return 0;}

OS_Mutex_t *OS_MutexCreate(const char *name) {(void)name; return NULL; }

void OS_MutexDelete(OS_Mutex_t *semaphore)   {(void)semaphore;}

void OS_MutexPend(OS_Mutex_t *semaphore)     {(void)semaphore;}

void OS_MutexPost(OS_Mutex_t *semaphore)     {(void)semaphore;}

OS_MQueue_t *OS_MQueueCreate(const char *name,

                             int messageCount,

                             int messageBytes)

{(void)name;(void)messageCount;(void)messageBytes; return NULL;}

void OS_MQueueDelete(OS_MQueue_t *mQueue)    {(void)mQueue;}

int OS_MQueueSend(OS_MQueue_t *mQueue, void *message)

{(void)mQueue;(void)message; return 0;}

int OS_MQueueGet(OS_MQueue_t *mQueue, void *message, int ticks)

{(void)mQueue;(void)message;(void)ticks; return 0;}

void OS_Job(void (*funcPtr)(), void *arg0, void *arg1, void *arg2)

{funcPtr(arg0, arg1, arg2);}