forked from Mirrors/opensbi

This patch extends our low-level trap handler in fw_base.S for handling M-mode to M-mode traps without overwritting stack. Signed-off-by: Anup Patel <anup.patel@wdc.com>
This patch extends our low-level trap handler in fw_base.S for handling M-mode to M-mode traps without overwritting stack. Signed-off-by: Anup Patel <anup.patel@wdc.com>