+ lea rsi, @F ; rsi <- The start address of transition code\r
+ mov rdi, [rsp + 28h] ; rdi <- New stack\r
+ sub rdi, 64 ; rdi <- use 64 byte in stack to hold transition code \r
+ mov r10, rdi ; r10 <- The start address of transicition code below 4G\r
+ lea rax, mTransitionEnd ; rax <- end of transition code\r
+ sub rax, rsi ; rax <- The size of transition piece code \r
+ push rcx ; save rcx to stack\r
+ mov rcx, rax ; rcx <- The size of transition piece code\r
+ rep movsb ; copy transition code to (new stack - 64byte) below 4G\r
+ pop rcx ; restore rcx\r
+ \r