| 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 | - memory_region_init_ram(E1, E2, E3, E4, E5); |
| 20 | + memory_region_init_rom(E1, E2, E3, E4, E5); |
| 21 | ... WHEN != E1 |
| 22 | - memory_region_set_readonly(E1, true); |
| 23 | |
| 24 | |
| 25 | @possible_memory_region_init_rom@ |
| 26 | expression E1, E2, E3, E4, E5; |
| 27 | position p; |
| 28 | @@ |
| 29 | memory_region_init_ram@p(E1, E2, E3, E4, E5); |
| 30 | ... |
| 31 | memory_region_set_readonly(E1, true); |
| 32 | @script:python@ |
| 33 | p << possible_memory_region_init_rom.p; |
| 34 | @@ |
| 35 | cocci.print_main("potential use of memory_region_init_rom*() in ", p) |
| 36 | |
| 37 | |
| 38 | // Do not call memory_region_set_readonly() on ROM alias |
| 39 | @@ |
| 40 | expression ROM, E1, E2, E3, E4; |
| 41 | expression ALIAS, E5, E6, E7, E8; |
| 42 | @@ |
| 43 | memory_region_init_rom(ROM, E1, E2, E3, E4); |
| 44 | ... |
| 45 | memory_region_init_alias(ALIAS, E5, E6, ROM, E7, E8); |
| 46 | - memory_region_set_readonly(ALIAS, true); |
| 47 | |
| 48 | |
| 49 | // We don't try to replace sequences with a non-NULL owner, because |
| 50 | // there are none in the tree that can be automatically converted |
| 51 | // (and only a handful that can be manually converted). |
| 52 | @@ |
| 53 | typedef DeviceState; |
| 54 | identifier device_fn, dev, obj; |
| 55 | expression E1, E2, E3, E4, E5; |
| 56 | @@ |
| 57 | static void device_fn(DeviceState *dev, ...) |
| 58 | { |
| 59 | ... |
| 60 | Object *obj = OBJECT(dev); |
| 61 | <+... |
| 62 | ( |
| 63 | - memory_region_init(E1, NULL, E2, E3); |
| 64 | + memory_region_init(E1, obj, E2, E3); |
| 65 | | |
| 66 | - memory_region_init_io(E1, NULL, E2, E3, E4, E5); |
| 67 | + memory_region_init_io(E1, obj, E2, E3, E4, E5); |
| 68 | | |
| 69 | - memory_region_init_alias(E1, NULL, E2, E3, E4, E5); |
| 70 | + memory_region_init_alias(E1, obj, E2, E3, E4, E5); |
| 71 | | |
| 72 | - memory_region_init_rom(E1, NULL, E2, E3, E4); |
| 73 | + memory_region_init_rom(E1, obj, E2, E3, E4); |
| 74 | | |
| 75 | - memory_region_init_ram_flags_nomigrate(E1, NULL, E2, E3, E4, E5); |
| 76 | + memory_region_init_ram_flags_nomigrate(E1, obj, E2, E3, E4, E5); |
| 77 | ) |
| 78 | ...+> |
| 79 | } |
| 80 | @@ |
| 81 | identifier device_fn, dev; |
| 82 | expression E1, E2, E3, E4, E5; |
| 83 | @@ |
| 84 | static void device_fn(DeviceState *dev, ...) |
| 85 | { |
| 86 | <+... |
| 87 | ( |
| 88 | - memory_region_init(E1, NULL, E2, E3); |
| 89 | + memory_region_init(E1, OBJECT(dev), E2, E3); |
| 90 | | |
| 91 | - memory_region_init_io(E1, NULL, E2, E3, E4, E5); |
| 92 | + memory_region_init_io(E1, OBJECT(dev), E2, E3, E4, E5); |
| 93 | | |
| 94 | - memory_region_init_alias(E1, NULL, E2, E3, E4, E5); |
| 95 | + memory_region_init_alias(E1, OBJECT(dev), E2, E3, E4, E5); |
| 96 | | |
| 97 | - memory_region_init_rom(E1, NULL, E2, E3, E4); |
| 98 | + memory_region_init_rom(E1, OBJECT(dev), E2, E3, E4); |
| 99 | | |
| 100 | - memory_region_init_ram_flags_nomigrate(E1, NULL, E2, E3, E4, E5); |
| 101 | + memory_region_init_ram_flags_nomigrate(E1, OBJECT(dev), E2, E3, E4, E5); |
| 102 | ) |
| 103 | ...+> |
| 104 | } |