From 5923c843ba0e06a90e0c0c5cc6894ac8641377e1 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Fri, 22 Jul 2016 09:22:45 -0600 Subject: sandbox: Add instructions about building on 32-bit machines Sandbox is built with 64-bit ints by default. This doesn't work properly on 32-bit machines. Signed-off-by: Simon Glass Reviewed-by: Tom Rini --- board/sandbox/README.sandbox | 3 +++ 1 file changed, 3 insertions(+) (limited to 'board/sandbox') diff --git a/board/sandbox/README.sandbox b/board/sandbox/README.sandbox index 9fe3bf1..ed820d3 100644 --- a/board/sandbox/README.sandbox +++ b/board/sandbox/README.sandbox @@ -44,6 +44,9 @@ Note: make sandbox_defconfig all NO_SDL=1 ./u-boot + If you are building on a 32-bit machine you may get errors from __ffs.h + about shifting more than the machine word size. Edit the config file + include/configs/sandbox.h and change CONFIG_SANDBOX_BITS_PER_LONG to 32. U-Boot will start on your computer, showing a sandbox emulation of the serial console: -- cgit v1.1