On 06/20/2016 04:07 PM, Alexander Graf wrote:
Some systems may implemente TrustZone (EL3) in U-Boot. Those systems reserve some memory that U-Boot is aware of as secure.
For those systems, mask out that secure memory in the EFI memory map, as it's not usable from EL2 or EL1.
Signed-off-by: Alexander Graf agraf@suse.de
lib/efi_loader/efi_memory.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c index df2381e..6e2eeeb 100644 --- a/lib/efi_loader/efi_memory.c +++ b/lib/efi_loader/efi_memory.c @@ -398,5 +398,20 @@ int efi_memory_init(void) efi_bounce_buffer = (void*)(uintptr_t)efi_bounce_buffer_addr; #endif
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
- /* Declare secure ram as reserved */
if (gd->secure_ram & MEM_RESERVE_SECURE_SECURED) {
This variable has been moved to gd->arch.secure_ram in recent commit.
York