X-Git-Url: http://git.linex4red.de/pub/USBaspLoader.git/blobdiff_plain/da254736cb7aaf5f1bc5fe79b1816e13f71ee264..8ce9055cc4df6de93528cf3e12a4b69d5fcc1a19:/updater/updater.c

diff --git a/updater/updater.c b/updater/updater.c
index 0fb4f35..b79c958 100644
--- a/updater/updater.c
+++ b/updater/updater.c
@@ -129,6 +129,25 @@ void temp_do_spm(const uint32_t flash_byteaddress, const uint8_t spmcrval, const
 typedef uint32_t mypgm_addr_t;
 typedef void (*mypgm_spminterface)(const uint32_t flash_byteaddress, const uint8_t spmcrval, const uint16_t dataword);
 
+#if FLASHEND > 65535
+#	define	FULLCORRECTFLASHADDRESS(addr)	(((mypgm_addr_t)(addr)) | (((mypgm_addr_t)FLASHADDRESS) & ((mypgm_addr_t)0xffff0000)))
+#	define	mymemcpy_PF mymemcpy_PF_far
+void *mymemcpy_PF_far (void *dest, mypgm_addr_t src, size_t n) {
+  uint8_t	*pagedata	= (void*)dest;
+  mypgm_addr_t	 pageaddr	= src;
+  size_t	i;
+
+  for (i=0;i<n;i+=1) {
+    pagedata[i]=pgm_read_byte_far(pageaddr);
+    pageaddr+=1;
+  }
+
+  return dest;
+}
+#else
+#	define	FULLCORRECTFLASHADDRESS(addr)	(addr)
+#	define	mymemcpy_PF memcpy_PF 
+#endif
 
 #if 0
 size_t mypgm_readpage(const mypgm_addr_t byteaddress,const void* buffer, const size_t bufferbytesize) {
@@ -139,7 +158,7 @@ size_t mypgm_readpage(const mypgm_addr_t byteaddress,const void* buffer, const s
   size_t	i;
   
   for (i=0;i<pagesize;i+=1) {
-    pagedata[i]=pgm_read_word(pageaddr);
+    pagedata[i]=pgm_read_word_far(pageaddr);
     pageaddr+=2;
   }
   
@@ -151,7 +170,7 @@ size_t mypgm_readpage(const mypgm_addr_t byteaddress,const void* buffer, const s
   size_t	result		= (bufferbytesize < SPM_PAGESIZE)?bufferbytesize:SPM_PAGESIZE;
   mypgm_addr_t	pageaddr	= byteaddress - (byteaddress % SPM_PAGESIZE);
   
-  memcpy_PF((void*)buffer, (uint_farptr_t)pageaddr, result);
+  mymemcpy_PF((void*)buffer, (uint_farptr_t)pageaddr, result);
   
   return result;
 }
@@ -171,7 +190,11 @@ size_t mypgm_WRITEpage(const mypgm_addr_t byteaddress,const void* buffer, const
   
   // just check, if page needs a rewrite or an erase...
   for (i=0;i<pagesize;i+=1) {
+#if (FLASHEND > 65535)
+    deeword=pgm_read_word_far(pageaddr);
+#else
     deeword=pgm_read_word(pageaddr);
+#endif
 
     if (deeword != pagedata[i]) changed=1;
 
@@ -260,8 +283,13 @@ int main(void)
     buffer[0]=0;
     for (i=0;i<SIZEOF_new_firmware;i+=2) {
       uint16_t a, b;
-      a=pgm_read_word((void*)&new_firmware[i]);
+#if (FLASHEND > 65535)
+      a=pgm_read_word_far(FULLCORRECTFLASHADDRESS(&new_firmware[i]));
+      b=pgm_read_word_far(NEW_BOOTLOADER_ADDRESS+i);
+#else
+      a=pgm_read_word(FULLCORRECTFLASHADDRESS(&new_firmware[i]));
       b=pgm_read_word(NEW_BOOTLOADER_ADDRESS+i);
+#endif
       if (a!=b) {
 	buffer[0]=1;
 	break;
@@ -273,7 +301,6 @@ int main(void)
     // need to change the firmware...
     if (buffer[0]) {
 
-
       // A
       // copy the current "bootloader__do_spm" to tempoary position via std. "bootloader__do_spm"
       for (i=0;i<TEMP_SPM_BLKSIZE;i+=SPM_PAGESIZE) {
@@ -287,7 +314,7 @@ int main(void)
 #ifdef CONFIG_UPDATER_CLEANMEMCLEAR
 	memset((void*)buffer, 0xff, sizeof(buffer));
 #endif
-	memcpy_PF((void*)buffer, (uint_farptr_t)((void*)&new_firmware[i]), ((SIZEOF_new_firmware-i)>sizeof(buffer))?sizeof(buffer):(SIZEOF_new_firmware-i));
+	mymemcpy_PF((void*)buffer, (uint_farptr_t)(FULLCORRECTFLASHADDRESS(&new_firmware[i])), ((SIZEOF_new_firmware-i)>sizeof(buffer))?sizeof(buffer):(SIZEOF_new_firmware-i));
 	
 	mypgm_WRITEpage(NEW_BOOTLOADER_ADDRESS+i, buffer, sizeof(buffer), temp_do_spm);
 	
@@ -300,7 +327,7 @@ int main(void)
 #ifdef CONFIG_UPDATER_CLEANMEMCLEAR
 	memset((void*)buffer, 0xff, sizeof(buffer));
 #endif
-	memcpy_PF((void*)buffer, (uint_farptr_t)((void*)&new_firmware[i]), ((SIZEOF_new_firmware-i)>sizeof(buffer))?sizeof(buffer):(SIZEOF_new_firmware-i));
+	mymemcpy_PF((void*)buffer, (uint_farptr_t)(FULLCORRECTFLASHADDRESS(&new_firmware[i])), ((SIZEOF_new_firmware-i)>sizeof(buffer))?sizeof(buffer):(SIZEOF_new_firmware-i));
 
 	mypgm_WRITEpage(NEW_BOOTLOADER_ADDRESS+i, buffer, sizeof(buffer), new_do_spm);
 	
@@ -310,4 +337,5 @@ int main(void)
 
     }
 
+    return 0;
 }