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[06/11] scripts/coccinelle/memory-region-init-ram.cocci: New script

Message ID 1499438577-7674-7-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell July 7, 2017, 2:42 p.m. UTC 
Add a coccinelle script that can be used to automatically convert
manual sequences of
 memory_region_init_ram_nomigrate()
 vmstate_register_ram{,_global}()
to use the new
 memory_region_init_ram()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 scripts/coccinelle/memory-region-init-ram.cocci | 38 +++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 scripts/coccinelle/memory-region-init-ram.cocci
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Patch

diff --git a/scripts/coccinelle/memory-region-init-ram.cocci b/scripts/coccinelle/memory-region-init-ram.cocci
new file mode 100644
index 0000000..d290150
--- /dev/null
+++ b/scripts/coccinelle/memory-region-init-ram.cocci
@@ -0,0 +1,38 @@ 
+// 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.
+// We don't try to replace sequences with a non-NULL owner, because
+// there are none in the tree that can be automatically converted
+// (and only a handful that can be manually converted).
+@@
+expression MR;
+expression NAME;
+expression SIZE;
+expression ERRP;
+@@
+-memory_region_init_ram_nomigrate(MR, NULL, NAME, SIZE, ERRP);
++memory_region_init_ram(MR, NULL, NAME, SIZE, ERRP);
+ ...
+-vmstate_register_ram_global(MR);
+@@
+expression MR;
+expression NAME;
+expression SIZE;
+expression ERRP;
+@@
+-memory_region_init_rom_nomigrate(MR, NULL, NAME, SIZE, ERRP);
++memory_region_init_rom(MR, NULL, NAME, SIZE, ERRP);
+ ...
+-vmstate_register_ram_global(MR);
+@@
+expression MR;
+expression OPS;
+expression OPAQUE;
+expression NAME;
+expression SIZE;
+expression ERRP;
+@@
+-memory_region_init_rom_device_nomigrate(MR, NULL, OPS, OPAQUE, NAME, SIZE, ERRP);
++memory_region_init_rom_device(MR, NULL, OPS, OPAQUE, NAME, SIZE, ERRP);
+ ...
+-vmstate_register_ram_global(MR);