From: Andrey Yurovsky yurovsky@gmail.com
bootm_load_os() uses flush_cache() on the region where the OS image is loaded however the OS image may be part of a FIT image and thereby may not be aligned with respect to the machine's cache lines. Give flush_cache() an aligned start of the region to avoid misalignment.
Signed-off-by: Andrey Yurovsky yurovsky@gmail.com --- common/bootm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/common/bootm.c b/common/bootm.c index adb12137c7..948807af25 100644 --- a/common/bootm.c +++ b/common/bootm.c @@ -447,7 +447,10 @@ static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); return err; } - flush_cache(load, ALIGN(*load_end - load, ARCH_DMA_MINALIGN)); + + ulong load_a = ALIGN(load, ARCH_DMA_MINALIGN); + + flush_cache(load_a, ALIGN(*load_end - load_a, ARCH_DMA_MINALIGN));
debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end); bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);