diff --git a/Documentation/boards/mips/qemu-malta.rst b/Documentation/boards/mips/qemu-malta.rst index be89ae3..22da600 100644 --- a/Documentation/boards/mips/qemu-malta.rst +++ b/Documentation/boards/mips/qemu-malta.rst @@ -1,6 +1,9 @@ QEMU Malta ========== +Big-endian mode +--------------- + QEMU run string:: qemu-system-mips -nodefaults -M malta -m 256 \ @@ -11,6 +14,27 @@ gxemul -Q -x -e maltabe -M 256 0xbfc00000:barebox-flash-image + +Little-endian mode +------------------ + +Running little-endian Malta is a bit tricky. +In little-endian mode the 32bit words in the boot flash image are swapped, +a neat trick which allows bi-endian firmware. + +You have to swap words of ``zbarebox.bin`` image, e.g.:: + + echo arch/mips/pbl/zbarebox.bin \ + | cpio --create \ + | cpio --extract --swap --unconditional + +QEMU run string:: + + qemu-system-mipsel -nodefaults -M malta -m 256 \ + -nographic -serial stdio -monitor null \ + -bios barebox-flash-image + + Links -----