compound-fr550.cgs

gdb-6.8 Linux下的调试程序 最新版本

# frv testcase to generate compound exception
# mach: fr550
	.include "testutils.inc"

	start

	.global align
align:
	and_spr_immed	-4081,tbr		; clear tbr.tt
	set_gr_spr	tbr,gr17
	inc_gr_immed	0x200,gr17		; address of exception handler
	set_bctrlr_0_0  gr17
	set_spr_immed	128,lcr
	set_spr_addr	ok1,lr
	or_spr_immed	0x04000000,fsr0		; enabled div/0 fp_exception
	set_psr_et	1

	set_gr_immed	0,gr15
	set_fr_iimmed	0x7f7f,0xffff,fr0
	set_fr_iimmed	0x0000,0x0000,fr1

	and_spr_immed	0xfffffffe,isr		; enable mem_address_not_aligned
	set_gr_addr	dividef,gr16
	set_gr_addr	dividei,gr17
	set_gr_immed	0xdeadbeef,gr8
	inc_gr_immed	2,sp			; misalign
store:	sti.p		gr8,@(sp,0)		; misaligned - no exception
dividef:fdivs.p		fr0,fr1,fr2		; fp_exception
dividei:sdiv		gr1,gr0,gr1		; division exception
	test_gr_immed	1,gr15

	pass

; exception handler
ok1:
	; check fp_exception
	test_spr_immed	0x5,esfr1		; esr2 and esr0 are active
	test_spr_gr	epcr2,gr16
	test_spr_bits	0x0001,0,0x1,esr2	; esr2 is valid
	test_spr_bits	0x003e,1,0xd,esr2	; esr2.ec is set
	test_spr_bits	0x0800,11,0x0,esr2	; esr2.eav is clear

	; check on fp_exception
	test_spr_bits	0x100000,20,0x0,fsr0	; fsr0.qne is clear
	test_spr_bits	0xe0000,17,0x1,fsr0	; fsr0.ftt is set
	test_spr_bits	0xfc00,10,0x0,fsr0	; fsr0.aexc is clear

	; check interrupt on dividei
	test_spr_bits	0x0001,0,0x1,esr0	; esr0 is valid
	test_spr_bits	0x003e,1,0x13,esr0	; esr0.ec is set

	inc_gr_immed	1,gr15
	rett		0
	fail