ben-blinkenlights/avrdude/patches/skip-low-addr.patch

Index: avrdude/avrdude-5.10/avr.c
===================================================================
--- avrdude.orig/avrdude-5.10/avr.c	2011-03-08 23:46:53.000000000 -0300
+++ avrdude/avrdude-5.10/avr.c	2011-03-08 23:50:06.000000000 -0300
@@ -192,7 +192,8 @@
     }
   }
 
-  for (i=0; i<size; i++) {
+  i = mem->paged ? mem->low_addr : 0;
+  for (; i<size; i++) {
     rc = pgm->read_byte(pgm, p, mem, i, &rbyte);
     if (rc != 0) {
       fprintf(stderr, "avr_read(): error reading address 0x%04lx\n", i);
@@ -580,7 +581,8 @@
       pgm->write_setup(pgm, p, m);
   }
 
-  for (i=0; i<wsize; i++) {
+  i = m->paged ? m->low_addr-(m->low_addr % m->page_size) : 0;
+  for (; i<wsize; i++) {
     data = m->buf[i];
     report_progress(i, wsize, NULL);
 
Index: avrdude/avrdude-5.10/update.c
===================================================================
--- avrdude.orig/avrdude-5.10/update.c	2011-03-08 23:46:53.000000000 -0300
+++ avrdude/avrdude-5.10/update.c	2011-03-08 23:47:45.000000000 -0300
@@ -224,6 +224,7 @@
             progname, mem->desc);
 	  }
     report_progress(0,1,"Reading");
+    mem->low_addr = 0;	/* @@@ hackish */
     rc = avr_read(pgm, p, upd->memtype, 0, 1);
     if (rc < 0) {
       fprintf(stderr, "%s: failed to read all of %s memory, rc=%d\n",