From 64049be508671bbd98e2c69bbe32a2434bc17b9d Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Fri, 20 Apr 2018 10:37:51 +0200 Subject: lib/bootmem: Add method to walk OS POV memory tables Add method to walk memory tables from OS point of view. The tables don't change when modifiying bootmem entries and doesn't contain bootmem specific tags. Change-Id: Iee332a9821d12a7d9a684063b77b0502febd8d7d Signed-off-by: Patrick Rudolph Reviewed-on: https://review.coreboot.org/25747 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner Reviewed-by: Aaron Durbin --- src/include/bootmem.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'src/include/bootmem.h') diff --git a/src/include/bootmem.h b/src/include/bootmem.h index 161f482e13..7503306167 100644 --- a/src/include/bootmem.h +++ b/src/include/bootmem.h @@ -70,6 +70,17 @@ void bootmem_dump_ranges(void); typedef bool (*range_action_t)(const struct range_entry *r, void *arg); +/** + * Walk memory tables from OS point of view and call the provided function, + * for every region. The caller has to return false to break out of the loop any + * time, or return true to continue. + * + * @param action The function to call for each memory range. + * @param arg Pointer passed to function @action. Set to NULL if unused. + * @return true if the function 'action' returned false. + */ +bool bootmem_walk_os_mem(range_action_t action, void *arg); + /** * Walk memory tables and call the provided function, for every region. * The caller has to return false to break out of the loop any time, or -- cgit v1.2.3