dcf.cgs

来自「gdb-6.8 Linux下的调试程序 最新版本」· CGS 代码 · 共 40 行

# FRV testcase for dcf @(GRi,GRj)
# mach: all

	.include "testutils.inc"

	start

	.global dcf
dcf:
	and_spr_immed	0x7fffffff,hsr0	; data cache only: copy-back mode
	set_gr_addr	doit,gr10
	set_gr_immed	0,gr11
	set_gr_immed	1,gr12
	set_gr_immed	2,gr13

	set_spr_addr	ok1,lr
	bra		doit
ok1:	test_gr_immed	1,gr11

	set_mem_immed	0x9600b00d,gr10	; change to add gr11,gr13,gr11 in cache
	set_spr_addr	ok2,lr
	bra		doit
ok2:	test_gr_immed	2,gr11		; still only added 1

	set_gr_addr	doit1,gr10
	set_mem_immed	0x9600b00d,gr10	; change to add gr11,gr13,gr11 in cache
	dcf		@(gr10,gr0)	; flush data cache
	set_spr_addr	ok3,lr
	bra		doit1
ok3:	test_gr_immed	4,gr11		; added 2 this time

	pass

doit:	add		gr11,gr12,gr11
	bralr

doit1:	add		gr11,gr12,gr11
	bralr