base[0] is saved, but never restored.
Test case: Start u-boot in qemu, using vexpress-a9 emulation.
qemu places the fdt at the start of ram, as a service for the
guest. Trying to pick it up there by setting fdt_addr
accordingly fails because the fdt magic cookie is gone (zeroed
out) after calling get_ram_size.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
common/memsize.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/common/memsize.c b/common/memsize.c
index 589400d..ad79ff1 100644
--- a/common/memsize.c
+++ b/common/memsize.c
@@ -48,7 +48,9 @@ long get_ram_size(long *base, long maxsize)
*addr = 0;
sync ();
- if ((val = *addr) != 0) {
+ val = *addr;
+ *addr = save[i];
+ if (val != 0) {
/* Restore the original data before leaving the function.
*/
sync ();
--
1.8.3.1
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