semx_bsp_data 0.1.4

板级数据定义
1
2
3
4
5
6
7
8
9
10
11
12
13


.global clear_page; .align 2; clear_page:
    mrs	x1, dczid_el0
    and	w1, w1, #0xf
    mov	x2, #4
    lsl	x1, x2, x1

1:	dc	zva, x0
    add	x0, x0, x1
    tst	x0, #(PAGE_SIZE - 1)
    b.ne	1b
    ret
.type clear_page, @function; .size clear_page, .-clear_page