Changeset 679 for soft/giet_vm/applications/raycast/raycast.py

Timestamp:

Jul 29, 2015, 5:52:18 PM (9 years ago)

Author:

guerin

Message:

raycast: dynamically allocate framebuffer

With a 512x512 fb, the generated .elf file was too large for the FAT32
driver to load. Now that we can allocate aligned memory blocks, the .elf
size is greatly reduced.

File:

• soft/giet_vm/applications/raycast/raycast.py (modified) (2 diffs)

soft/giet_vm/applications/raycast/raycast.py

@@ -30 +30 @@
 
     heap_base  = 0x60000000 
-    heap_size  = 0x00008000     # 32 Kbytes
+    heap_size  = 0x00400000     # 4 Mbytes
 
     # create vspace
@@ -52 +52 @@
                      local = False, big = True )
 
-    # heap vseg (unused)            
+    # heap vseg
     mapping.addVseg( vspace, 'raycast_heap', heap_base, heap_size,
                      'C_WU', vtype = 'BUFFER', x = 0 , y = 0 , pseg = 'RAM',