Disabled 'Boot to flash' option in Nvm devices

This change is a small part of the commit dbdd088

Author: LumitoLuma

src/BossaThread.cpp

@@ -133,9 +133,12 @@ WriteThread::Entry()
 
         flasher.write(_filename.mb_str(), _offset);
 
-        flash->setBootFlash(_bootFlash);
-        flash->setBod(_bod);
-        flash->setBor(_bor);
+        if (flash->canBootFlash())
+            flash->setBootFlash(_bootFlash);
+        if (flash->canBod())
+            flash->setBod(_bod);
+        if (flash->canBor())
+            flash->setBor(_bor);
         if (_lock)
             flash->lockAll();
         if (_security)

src/NvmFlash.cpp

@@ -287,7 +287,8 @@ NvmFlash::getBootFlash()
 void
 NvmFlash::setBootFlash(bool enable)
 {
-    printf("Ignoring set boot from flash flag.\n");
+    if (!enable)
+        throw BootFlashError();
 }
 
 void

src/NvmFlash.h

@@ -72,7 +72,7 @@ class NvmFlash : public Flash
 
     bool getBootFlash();
     void setBootFlash(bool enable);
-    bool canBootFlash() { return true; }
+    bool canBootFlash() { return false; }
 
     void writePage(uint32_t page);
     void readPage(uint32_t page, uint8_t* data);

src/Samba.cpp

@@ -664,7 +664,7 @@ Samba::checksumBuffer(uint32_t start_addr, uint32_t size)
     errno = 0;
     uint32_t res = strtol((char*) &cmd[1], NULL, 16);
     if (errno != 0)
-	throw SambaError();
+	    throw SambaError();
     if (_debug)
         printf("%x\n", res);
     return res;