scripts/coccinelle/memory-region-housekeeping.cocci

   1 /*
   2   Usage:
   3
   4     spatch \
   5         --macro-file scripts/cocci-macro-file.h \
   6         --sp-file scripts/coccinelle/memory-region-housekeeping.cocci \
   7         --keep-comments \
   8         --in-place \
   9         --dir .
  10
  11 */
  12
  13
  14 // Replace memory_region_init_ram(readonly) by memory_region_init_rom()
  15 @@
  16 expression E1, E2, E3, E4, E5;
  17 symbol true;
  18 @@
  19 (
  20 - memory_region_init_ram(E1, E2, E3, E4, E5);
  21 + memory_region_init_rom(E1, E2, E3, E4, E5);
  22   ... WHEN != E1
  23 - memory_region_set_readonly(E1, true);
  24 |
  25 - memory_region_init_ram_nomigrate(E1, E2, E3, E4, E5);
  26 + memory_region_init_rom_nomigrate(E1, E2, E3, E4, E5);
  27   ... WHEN != E1
  28 - memory_region_set_readonly(E1, true);
  29 )
  30
  31
  32 // Replace by-hand memory_region_init_ram_nomigrate/vmstate_register_ram
  33 // code sequences with use of the new memory_region_init_ram function.
  34 // Similarly for the _rom and _rom_device functions.
  35 // We don't try to replace sequences with a non-NULL owner, because
  36 // there are none in the tree that can be automatically converted
  37 // (and only a handful that can be manually converted).
  38 @@
  39 expression MR;
  40 expression NAME;
  41 expression SIZE;
  42 expression ERRP;
  43 @@
  44 -memory_region_init_ram_nomigrate(MR, NULL, NAME, SIZE, ERRP);
  45 +memory_region_init_ram(MR, NULL, NAME, SIZE, ERRP);
  46  ...
  47 -vmstate_register_ram_global(MR);
  48 @@
  49 expression MR;
  50 expression NAME;
  51 expression SIZE;
  52 expression ERRP;
  53 @@
  54 -memory_region_init_rom_nomigrate(MR, NULL, NAME, SIZE, ERRP);
  55 +memory_region_init_rom(MR, NULL, NAME, SIZE, ERRP);
  56  ...
  57 -vmstate_register_ram_global(MR);
  58 @@
  59 expression MR;
  60 expression OPS;
  61 expression OPAQUE;
  62 expression NAME;
  63 expression SIZE;
  64 expression ERRP;
  65 @@
  66 -memory_region_init_rom_device_nomigrate(MR, NULL, OPS, OPAQUE, NAME, SIZE, ERRP);
  67 +memory_region_init_rom_device(MR, NULL, OPS, OPAQUE, NAME, SIZE, ERRP);
  68  ...
  69 -vmstate_register_ram_global(MR);