Move userstack to 0x60000000.

kernel/src/arch/mipsel/consts.rs

@@ -6,8 +6,8 @@ pub const KERNEL_OFFSET: usize = 0x80100000;
 
 pub const MEMORY_OFFSET: usize = 0x8000_0000;
 
-pub const USER_STACK_OFFSET: usize = 0x80000000 - USER_STACK_SIZE;
+pub const USER_STACK_OFFSET: usize = 0x70000000 - USER_STACK_SIZE;
 pub const USER_STACK_SIZE: usize = 0x10000;
-pub const USER32_STACK_OFFSET: usize = 0x80000000 - USER_STACK_SIZE;
+pub const USER32_STACK_OFFSET: usize = 0x70000000 - USER_STACK_SIZE;
 
 pub const MAX_DTB_SIZE: usize = 0x2000;