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scripts/cocci: Patch to detect potential use of memory_region_init_rom

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Add a semantic patch to detect potential replacement of
memory_region_init_ram(readonly) by memory_region_init_rom().

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-02-24 19:52:31 +01:00 committed by Paolo Bonzini
parent ec7b217510
commit cf949cbb70
1 changed files with 19 additions and 0 deletions
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19
scripts/coccinelle/memory-region-housekeeping.cocci
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@ -29,6 +29,25 @@ symbol true;
)
@possible_memory_region_init_rom@
expression E1, E2, E3, E4, E5;
position p;
@@
(
memory_region_init_ram@p(E1, E2, E3, E4, E5);
...
memory_region_set_readonly(E1, true);
|
memory_region_init_ram_nomigrate@p(E1, E2, E3, E4, E5);
...
memory_region_set_readonly(E1, true);
)
@script:python@
p << possible_memory_region_init_rom.p;
@@
cocci.print_main("potential use of memory_region_init_rom*() in ", p)
// Replace by-hand memory_region_init_ram_nomigrate/vmstate_register_ram
// code sequences with use of the new memory_region_init_ram function.
// Similarly for the _rom and _rom_device functions.