From e359a4a5c1f01add83b8f39f5da0c61ce51e918a Mon Sep 17 00:00:00 2001 From: Patrick Delaunay Date: Fri, 7 May 2021 14:50:30 +0200 Subject: lmb: add lmb_is_reserved_flags Add a new function lmb_is_reserved_flags to check if an address is reserved with a specific flags. This function can be used to check if an address was reserved with no-map flags with: lmb_is_reserved_flags(lmb, addr, LMB_NOMAP); Signed-off-by: Patrick Delaunay --- lib/lmb.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'lib/lmb.c') diff --git a/lib/lmb.c b/lib/lmb.c index 69700bf9baf..a0fb8c7e88d 100644 --- a/lib/lmb.c +++ b/lib/lmb.c @@ -443,7 +443,7 @@ phys_size_t lmb_get_free_size(struct lmb *lmb, phys_addr_t addr) return 0; } -int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr) +int lmb_is_reserved_flags(struct lmb *lmb, phys_addr_t addr, int flags) { int i; @@ -451,11 +451,16 @@ int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr) phys_addr_t upper = lmb->reserved.region[i].base + lmb->reserved.region[i].size - 1; if ((addr >= lmb->reserved.region[i].base) && (addr <= upper)) - return 1; + return (lmb->reserved.region[i].flags & flags) == flags; } return 0; } +int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr) +{ + return lmb_is_reserved_flags(lmb, addr, LMB_NONE); +} + __weak void board_lmb_reserve(struct lmb *lmb) { /* please define platform specific board_lmb_reserve() */ -- cgit v1.2.3