From ef3fc42ded96403284e5e9bf37b63d332aedd7b4 Mon Sep 17 00:00:00 2001 From: "Andrew F. Davis" Date: Wed, 26 Jul 2017 14:53:19 -0500 Subject: 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 Reviewed-by: Lokesh Vutla 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 @@ int secure_boot_verify_image(void **image, size_t *size) /* 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 @@ int secure_boot_verify_image(void **image, size_t *size) /* 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) { -- cgit v0.10.2