privileged_instruction.cgs

gdb-6.8 Linux下的调试程序 最新版本

# frv testcase to generate privileged_instruction interrupt
# mach: frv

	.include "testutils.inc"

	start

	.global dsr
dsr:
	and_spr_immed	-4081,tbr		; clear tbr.tt
	set_gr_spr	tbr,gr17
	inc_gr_immed	0x060,gr17		; address of exception handler
	set_bctrlr_0_0  gr17
	set_spr_immed	128,lcr
	set_psr_et	1
	and_spr_immed	0xfffffffb,psr		; clear psr.s

	set_spr_addr	handler,lr
	set_gr_immed	0,gr16

 	set_gr_addr	bad1,gr17
bad1:	rett		0		; cause interrupt
	test_gr_immed	1,gr16
 	set_gr_addr	bad2,gr17
bad2:	rei		0		; cause interrupt
	test_gr_immed	2,gr16
 	set_gr_addr	bad3,gr17
bad3:	witlb		gr0,@(gr0,gr0)	; cause interrupt
	test_gr_immed	3,gr16
 	set_gr_addr	bad4,gr17
bad4:	wdtlb		gr0,@(gr0,gr0)	; cause interrupt
	test_gr_immed	4,gr16
 	set_gr_addr	bad5,gr17
bad5:	itlbi		@(gr0,gr0)	; cause interrupt
	test_gr_immed	5,gr16
 	set_gr_addr	bad6,gr17
bad6:	dtlbi		@(gr0,gr0)	; cause interrupt
	test_gr_immed	6,gr16

	pass
handler:
	; check interrupts
	test_spr_immed	0x1,esfr1		; esr0 is active
	test_spr_gr	epcr0,gr17
	test_spr_bits	0x0001,0,0x1,esr0	; esr0 is valid
	test_spr_bits	0x003e,1,0x4,esr0	; esr0.ec is set
	test_spr_bits	0x0800,11,0x0,esr0	; esr0.eav is not set

	addi		gr16,1,gr16
	movsg		pcsr,gr8
	addi		gr8,4,gr8
	movgs		gr8,pcsr
	rett		0
	fail