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| author | Ard Biesheuvel <ardb@kernel.org> | 2023-03-10 12:55:41 +0100 |
|---|---|---|
| committer | Ard Biesheuvel <ardb@kernel.org> | 2023-03-10 14:11:39 +0100 |
| commit | 3c60f67b4bd1bc01fa9194e9dc925ac6cb56156c (patch) | |
| tree | 377a57993b5f637faf3819fd24411ec5d78d42fb /drivers/firmware | |
| parent | efi/libstub: zboot: Mark zboot EFI application as NX compatible (diff) | |
| download | linux-3c60f67b4bd1bc01fa9194e9dc925ac6cb56156c.tar.xz linux-3c60f67b4bd1bc01fa9194e9dc925ac6cb56156c.zip | |
efi/libstub: arm64: Remap relocated image with strict permissions
After relocating the executable image, use the EFI memory attributes
protocol to remap the code and data regions with the appropriate
permissions.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/efi/libstub/arm64-stub.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/firmware/efi/libstub/arm64-stub.c b/drivers/firmware/efi/libstub/arm64-stub.c index d4a6b12a8741..b996553cdb4c 100644 --- a/drivers/firmware/efi/libstub/arm64-stub.c +++ b/drivers/firmware/efi/libstub/arm64-stub.c @@ -139,6 +139,7 @@ efi_status_t handle_kernel_image(unsigned long *image_addr, *image_addr = *reserve_addr; memcpy((void *)*image_addr, _text, kernel_size); caches_clean_inval_pou(*image_addr, *image_addr + kernel_codesize); + efi_remap_image(*image_addr, *reserve_size, kernel_codesize); return EFI_SUCCESS; } |