From 18f201ea207a28aa79d7a485a2dc7b643ec36a31 Mon Sep 17 00:00:00 2001 From: Neil Stainton Date: Wed, 19 Sep 2018 10:38:07 +0100 Subject: [PATCH] u-boot: align cache flushes in load_elf_image_shdr to line boundaries Prevent cache warning messages when using the 'bootelf' command on an Arm target. Round down each section start address and round up the respective section end to the nearest cache line. Signed-off-by: Neil Stainton [trini: Manually apply, rework whitespace] Signed-off-by: Tom Rini --- cmd/elf.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/cmd/elf.c b/cmd/elf.c index c8e6e74..7bad1f8 100644 --- a/cmd/elf.c +++ b/cmd/elf.c @@ -219,7 +219,10 @@ static unsigned long load_elf_image_shdr(unsigned long addr) memcpy((void *)(uintptr_t)shdr->sh_addr, (const void *)image, shdr->sh_size); } - flush_cache(shdr->sh_addr, shdr->sh_size); + flush_cache(rounddown(shdr->sh_addr, ARCH_DMA_MINALIGN), + roundup((shdr->sh_addr + shdr->sh_size), + ARCH_DMA_MINALIGN) - + rounddown(shdr->sh_addr, ARCH_DMA_MINALIGN)); } return ehdr->e_entry;