Source file: /~heha/hsn/esptool.zip/util64.asm

public __chkstk
.code
__chkstk:
	push	rax
	push	rcx
	mov	rcx,rsp
@@:	push	0
	sub	rax,8
	jnc	@b
	mov	rsp,rcx
	pop	rcx
	pop	rax
	ret
end