Changeset e037cf37 in mainline for kernel/generic/include/ddi/ddi.h

Timestamp:

2020-12-29T22:17:21Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

11e394f, d70dc1c4

Parents:

1483981

Message:

Show kernel console again when its physical area is unmapped

It's good to be able to see the stack trace if e.g. display server
crashes.

File:

• kernel/generic/include/ddi/ddi.h (modified) (3 diffs)

kernel/generic/include/ddi/ddi.h

@@ -42 +42 @@
 
 /** Structure representing contiguous physical memory area. */
-typedef struct {
+typedef struct parea {
         /** Link to @c pareas ordered dictionary */
         odlink_t lpareas;
@@ -54 +54 @@
         /** Indicate whether the area is actually mapped. */
         bool mapped;
+        /** Called when @c mapped field has changed */
+        void (*mapped_changed)(void *);
+        /** Callback argument */
+        void *arg;
 } parea_t;
 
@@ -59 +63 @@
 extern void ddi_parea_init(parea_t *);
 extern void ddi_parea_register(parea_t *);
+extern void ddi_parea_unmap_notify(parea_t *);
 
 extern void *pio_map(void *, size_t);