smallsolar/u-boot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

lmb: add lmb_is_reserved_flags

Browse Source 
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 <patrick.delaunay@foss.st.com>
This commit is contained in:
Patrick Delaunay
2021-05-07 14:50:30 +02:00
committed by Tom Rini
parent 59c0ea5df3
commit e359a4a5c1
2 changed files with 16 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
lib/lmb.c
View File

@@ -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() */