reset.cgs

来自「这个是LINUX下的GDB调度工具的源码」· CGS 代码 · 共 82 行

# frv testcase to generate reset interrupts
# mach: fr500 fr550 fr400
# sim: --memory-region 0xff000000,64

	.include "testutils.inc"

	start

	.global reset
reset:
	and_spr_immed	0xfffffffb,psr	; turn off PSR.S
	set_gr_immed	0xfeff0500,gr10	; address of reset register
	set_spr_immed	0x7fffffff,lcr
	set_bctrlr_0_0  gr0

; Can't recover from hardware interrupt with enough state intact to verify it
;	set_spr_addr	ok1,lr
;	set_mem_immed	0x3,gr10	; cause hardware reset
;	dcf		@(gr10,gr0)	; Wait for store to happen
;	fail
;
;ok1:	; reset should branch to reset address which should then branch here
;	test_mem_immed	0x00000200,gr10
;	set_spr_addr	ok2,lr
;	set_mem_immed	0x2,gr10	; cause hardware reset
;	dcf		@(gr10,gr0)	; Wait for store to happen
;	fail
;	
ok2:	; reset should branch to reset address which should then branch here
;	test_mem_immed	0x00000200,gr10
	set_spr_addr	ok3,lr
	set_mem_immed	0x1,gr10	; cause software reset
	dcf		@(gr10,gr0)	; Wait for store to happen
	fail
	
ok3:	; reset should branch to reset address which should then branch here
	test_mem_immed	0x00000100,gr10
	test_spr_bits	0x4,2,1,psr	; psr.s is set
	test_spr_bits	0x2,1,0,psr	; psr.ps not set
	set_spr_addr	bad,lr
	set_mem_immed	0x0,gr10	; no reset
	test_mem_immed	0x0,gr10

	; now retest with HSR0.SA set
	set_mem_immed	0,gr0
	set_gr_addr	0xff000000,gr11
	set_bctrlr_0_0  gr11
	or_spr_immed	0x00001000,hsr0	; set HSR0.SA

; Can't recover from hardware interrupt with enough state intact to verify it
;	set_spr_addr	ok4,lr
;	dcf		@(gr10,gr0)	; Wait for store to happen
;	set_mem_immed	0x3,gr10	; cause hardware reset
;	fail
;
;ok4:	; reset should branch to reset address which should then branch here
;	test_mem_immed	0x00000200,gr10
;	set_spr_addr	ok5,lr
;	set_mem_immed	0x2,gr10	; cause hardware reset
;	dcf		@(gr10,gr0)	; Wait for store to happen
;	fail
;	
ok5:	; reset should branch to reset address which should then branch here
;	test_mem_immed	0x00000200,gr10
	set_spr_addr	ok6,lr
	set_mem_immed	0x1,gr10	; cause software reset
	dcf		@(gr10,gr0)	; Wait for store to happen
	fail
	
ok6:	; reset should branch to reset address which should then branch here
	test_mem_immed	0x00000100,gr10
	test_spr_bits	0x4,2,1,psr	; psr.s is set
	test_spr_bits	0x2,1,1,psr	; psr.ps is set
	set_spr_addr	bad,lr
	set_mem_immed	0x0,gr10	; no reset
	test_mem_immed	0x0,gr10

	pass

bad:	; Should never get here
	fail