arm: mach-omap2: Align image address before cache operations
The image address passed to secure_boot_verify_image() may not be
cacheline aligned, round the address down to the nearest cacheline.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/mach-omap2/sec-common.c b/arch/arm/mach-omap2/sec-common.c
index 030b36f..2d54a31 100644
--- a/arch/arm/mach-omap2/sec-common.c
+++ b/arch/arm/mach-omap2/sec-common.c
@@ -112,8 +112,8 @@
/* Perform cache writeback on input buffer */
flush_dcache_range(
- (u32)*image,
- (u32)*image + roundup(*size, ARCH_DMA_MINALIGN));
+ rounddown((u32)*image, ARCH_DMA_MINALIGN),
+ roundup((u32)*image + *size, ARCH_DMA_MINALIGN));
cert_addr = (uint32_t)*image;
sig_addr = find_sig_start((char *)*image, *size);
@@ -151,8 +151,8 @@
/* Perform cache writeback on output buffer */
flush_dcache_range(
- (u32)*image,
- (u32)*image + roundup(*size, ARCH_DMA_MINALIGN));
+ rounddown((u32)*image, ARCH_DMA_MINALIGN),
+ roundup((u32)*image + *size, ARCH_DMA_MINALIGN));
auth_exit:
if (result != 0) {