Add an event which would be used for notifying changes in the LMB modules' memory map. This is to be used for having a synchronous view of the memory that is currently in use, and that is available for allocations.
Signed-off-by: Sughosh Ganu sughosh.ganu@linaro.org --- Changes since V1: * Remove the event for EFI notifications.
common/event.c | 2 ++ include/event.h | 14 ++++++++++++++ 2 files changed, 16 insertions(+)
diff --git a/common/event.c b/common/event.c index dda569d447..fc8002603c 100644 --- a/common/event.c +++ b/common/event.c @@ -48,6 +48,8 @@ const char *const type_name[] = {
/* main loop events */ "main_loop", + + "lmb_map_update", };
_Static_assert(ARRAY_SIZE(type_name) == EVT_COUNT, "event type_name size"); diff --git a/include/event.h b/include/event.h index fb353ad623..fce7e96170 100644 --- a/include/event.h +++ b/include/event.h @@ -153,6 +153,14 @@ enum event_t { */ EVT_MAIN_LOOP,
+ /** + * @EVT_LMB_MAP_UPDATE: + * This event is triggered on an update to the LMB reserved memory + * region. This can be used to notify about any LMB memory allocation + * or freeing of memory having occurred. + */ + EVT_LMB_MAP_UPDATE, + /** * @EVT_COUNT: * This constants holds the maximum event number + 1 and is used when @@ -203,6 +211,12 @@ union event_data { oftree tree; struct bootm_headers *images; } ft_fixup; + + struct event_lmb_map_update { + u64 base; + u64 size; + u8 op; + } lmb_map; };
/**