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authorHeinrich Schuchardt <heinrich.schuchardt@canonical.com>2023-08-14 07:50:53 +0200
committerHeinrich Schuchardt <heinrich.schuchardt@canonical.com>2023-08-15 18:21:17 +0200
commitb571b3acdaa43b90de3bc7540f13c02b1ee86b8e (patch)
treecc0c27a41867d636556f910980b942a1e9a5b46a
parent6072703dc9ac52c644fd6d1a80ee16f91bbd0313 (diff)
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efi_loader: fix efi_add_known_memory()
In efi_add_known_memory() we currently call board_get_usable_ram_top() with an incorrect value 0 of parameter total_size. This leads to an incorrect value for ram_top depending on the code in board_get_usable_ram_top(). Use the value of gd->ram_top instead which is set before relocation by calling board_get_usable_ram_top(). Fixes: 7b78d6438a2b ("efi_loader: Reserve unaccessible memory") Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
-rw-r--r--lib/efi_loader/efi_memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c
index ebf4a2d..f752703 100644
--- a/lib/efi_loader/efi_memory.c
+++ b/lib/efi_loader/efi_memory.c
@@ -877,7 +877,7 @@ efi_status_t efi_add_conventional_memory_map(u64 ram_start, u64 ram_end,
*/
__weak void efi_add_known_memory(void)
{
- u64 ram_top = board_get_usable_ram_top(0) & ~EFI_PAGE_MASK;
+ u64 ram_top = gd->ram_top & ~EFI_PAGE_MASK;
int i;
/*