English
- #include <linux/linkage.h>
- /*
- * Zero a page.
- * rdi page
- */
- ENTRY(clear_page)
- xorl %eax,%eax
- movl $4096/128,%ecx
- movl $128,%edx
- loop:
- #define PUT(x) movq %rax,x*8(%rdi)
- PUT(0)
- PUT(1)
- PUT(2)
- PUT(3)
- PUT(4)
- PUT(5)
- PUT(6)
- PUT(7)
- PUT(8)
- PUT(9)
- PUT(10)
- PUT(11)
- PUT(12)
- PUT(13)
- PUT(14)
- PUT(15)
- addq %rdx,%rdi
- decl %ecx
- jnz loop
- sfence
- ret
