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[/] [openrisc/] [tags/] [gnu-src/] [gdb-7.2/] [gdb-7.2-or32-1.0rc1/] [sim/] [testsuite/] [sim/] [frv/] [interrupts/] [badalign.cgs] - Rev 341
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# frv testcase to generate interrupt for st $GRk,@($GRi,$GRj)
# mach: fr500 frv
.include "testutils.inc"
start
.global align
align:
and_spr_immed -4081,tbr ; clear tbr.tt
set_gr_spr tbr,gr17
inc_gr_immed 0x100,gr17 ; address of exception handler
set_bctrlr_0_0 gr17
set_spr_immed 128,lcr
set_spr_addr ok1,lr
set_psr_et 1
set_gr_immed 0xdeadbeef,gr17
set_gr_immed 0,gr15
inc_gr_immed 2,sp ; out of alignment
test_spr_bits 1,0,1,isr ; mem_address_not_aligned is masked
sti gr17,@(sp,0) ; no exception
ldi @(sp,-2),gr18 ; stored at aligned address
test_gr_immed 0xdeadbeef,gr18
ldi @(sp,0),gr19 ; no exception
test_gr_immed 0xdeadbeef,gr19
and_spr_immed 0xfffffffe,isr ; turn off ISR.EMAM
set_gr_addr bad1,gr16
bad1: sti gr17,@(sp,0) ; misaligned write in slot I1
test_gr_immed 1,gr15
set_gr_addr bad3,gr16
set_gr_gr sp,gr20
set_gr_immed 1,gr21
set_gr_immed 0x10101010,gr10
bad2: nop.p
bad3: ldu @(sp,gr21),gr10 ; misaligned read in slot I2
test_gr_immed 2,gr15 ; handler was called
test_gr_immed 0x10101010,gr10 ; gr10 not updated
test_gr_immed 1,gr21 ; gr21 not updated
inc_gr_immed 1,gr20
test_gr_gr gr20,sp ; sp updated
pass
; exception handler
ok1:
cmpi gr15,0,icc0
bne icc0,0,load
; handle interrupt on store
test_spr_immed 0x100,esfr1 ; esr8 is active
test_spr_gr epcr8,gr16
test_spr_bits 0x0001,0,0x1,esr8 ; esr8 is valid
test_spr_bits 0x003e,1,0xb,esr8 ; esr8.ec is set
test_spr_bits 0x0800,11,0x1,esr8 ; esr8.eav is set
test_spr_gr ear8,sp
test_spr_bits 0x01000,12,0x1,esr8 ; esr8.edv is set
test_spr_bits 0x1e000,13,0x3,esr8 ; esr8.edn is 3
test_spr_gr edr3,gr17 ; edr3 is set
bra ret
load:
; handle interrupt on load
test_spr_immed 0x200,esfr1 ; esr9 is active
test_spr_gr epcr9,gr16
test_spr_bits 0x0001,0,0x1,esr9 ; esr9 is valid
test_spr_bits 0x003e,1,0xb,esr9 ; esr9.ec is set
test_spr_bits 0x0800,11,0x1,esr9 ; esr9.eav is set
test_spr_gr ear9,sp
test_spr_bits 0x1000,12,0x0,esr9 ; esr9.edv is not set
ret:
inc_gr_immed 1,gr15
rett 0
fail