Refs #579. Added CpuMemSet function to all ports and used it in XCP memory reads when the programming resource is locked.

git-svn-id: https://svn.code.sf.net/p/openblt/code/trunk@549 5dc33758-31d5-4daf-9ae8-b24bf3d40d73

Target/Source/ARM7_LPC2000/cpu.c

@@ -145,4 +145,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM0_STM32F0/cpu.c

@@ -156,4 +156,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM0_XMC1/cpu.c

@@ -136,4 +136,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM3_EFM32/cpu.c

@@ -145,4 +145,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM3_LM3S/cpu.c

@@ -145,4 +145,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM3_STM32F1/cpu.c

@@ -145,4 +145,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM3_STM32F2/cpu.c

@@ -141,4 +141,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM4_STM32F3/cpu.c

@@ -141,4 +141,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM4_STM32F4/cpu.c

@@ -145,4 +145,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM4_STM32L4/cpu.c

@@ -141,4 +141,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM4_TM4C/cpu.c

@@ -145,4 +145,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/ARMCM4_XMC4/cpu.c

@@ -145,4 +145,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/HCS12/cpu.c

@@ -133,4 +133,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/TRICORE_TC1798/cpu.c

@@ -129,4 +129,30 @@ void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len)
 } /*** end of CpuMemCopy ***/
 
 
+/************************************************************************************//**
+** \brief     Sets the bytes at the destination address to the specified value.
+** \param     dest Destination address for the data.
+** \param     value Value to write.
+** \param     len  Number of bytes to write.
+** \return    none.
+**
+****************************************************************************************/
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len)
+{
+  blt_int8u *to;
+
+  /* set casted pointer */
+  to = (blt_int8u *)dest;
+
+  /* set all bytes at the destination address to the specified value */
+  while (len-- > 0)
+  {
+    /* set byte value */
+    *to++ = value;
+    /* keep the watchdog happy */
+    CopService();
+  }
+} /*** end of CpuMemSet ***/
+
+
 /*********************************** end of cpu.c **************************************/

Target/Source/cpu.h

@@ -35,6 +35,7 @@
 void CpuInit(void);
 void CpuStartUserProgram(void);
 void CpuMemCopy(blt_addr dest, blt_addr src, blt_int16u len);
+void CpuMemSet(blt_addr dest, blt_int8u value, blt_int16u len);
 void CpuIrqDisable(void);
 void CpuIrqEnable(void);
 

Target/Source/xcp.c

@@ -707,16 +707,7 @@ static void XcpCmdUpload(blt_int8u *data)
     /* resource is locked so memory read access is denied. zero values are returned
      * instead.
      */
-    while (len > 0)
+    CpuMemSet((blt_addr)destPtr, 0, len);
-    {
-      /* write a zero value */
-      *destPtr = 0;
-      /* update write pointer and loop counter */
-      destPtr++;
-      len--;
-      /* keep the watchdog happy */
-      CopService();
-    }
   }
   else
   {
@@ -779,16 +770,7 @@ static void XcpCmdShortUpload(blt_int8u *data)
     /* resource is locked so memory read access is denied. zero values are returned
      * instead.
      */
-    while (len > 0)
+    CpuMemSet((blt_addr)destPtr, 0, len);
-    {
-      /* write a zero value */
-      *destPtr = 0;
-      /* update write pointer and loop counter */
-      destPtr++;
-      len--;
-      /* keep the watchdog happy */
-      CopService();
-    }
   }
   else
   {