浏览代码

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 <nstainton@asl-control.co.uk>
[trini: Manually apply, rework whitespace]
Signed-off-by: Tom Rini <trini@konsulko.com>
Neil Stainton 6 年之前
父节点
当前提交
18f201ea20
共有 1 个文件被更改,包括 4 次插入1 次删除
  1. 4 1
      cmd/elf.c

+ 4 - 1
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;