Changeset 768 for soft/giet_vm/applications/shell/shell.py

Timestamp:

Jan 20, 2016, 10:15:22 AM (8 years ago)

Author:

alain

Message:

Use the giet_fat_mmap() syscall to implement the cat command.

File:

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

soft/giet_vm/applications/shell/shell.py

@@ -34 +34 @@
     heap_size  = 0x00001000     # 4 Kbytes 
 
+    mmap_base  = 0x70000000
+    mmap_size  = 0x10000000     # 256 Mbytes (unmapped)
+
     # create vspace
     vspace = mapping.addVspace( name = 'shell', startname = 'shell_data' , active = True )
@@ -57 +60 @@
     mapping.addVseg( vspace, 'shell_heap', heap_base, heap_size,
                      'C_WU', vtype = 'BUFFER', x = xmap , y = ymap , pseg = 'RAM',
+                     local = False )
+
+    # mmap vseg            
+    mapping.addVseg( vspace, 'shell_mmap', mmap_base, mmap_size,
+                     'C_WU', vtype = 'MMAP', x = xmap , y = ymap , pseg = 'RAM',
                      local = False )