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TheRock/debug-tools/rocgdb/source/sim/testsuite/frv/interrupts/regalign.cgs
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2026-09-02 16:34:47 -07:00

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# frv testcase to generate interrupts for bad register alignment
# mach: frv
.include "testutils.inc"
start
.global align
align:
and_spr_immed -4081,tbr ; clear tbr.tt
set_gr_spr tbr,gr17
inc_gr_immed 0x080,gr17 ; address of exception handler
set_bctrlr_0_0 gr17
inc_gr_immed 0x050,gr17 ; address of exception handler
set_bctrlr_0_0 gr17
set_spr_immed 128,lcr
set_spr_addr ok1,lr
set_psr_et 1
; Make the the register number odd at bad[1-4], bad9 and bada.
; We can't simply code an odd register number because the assembler
; will catch the error.
set_gr_mem bad1,gr10
or_gr_immed 0x02000000,gr10
set_mem_gr gr10,bad1
set_gr_addr bad1,gr10
flush_data_cache gr10
set_gr_mem bad2,gr10
or_gr_immed 0x02000000,gr10
set_mem_gr gr10,bad2
set_gr_addr bad2,gr10
flush_data_cache gr10
set_gr_mem bad3,gr10
or_gr_immed 0x02000000,gr10
set_mem_gr gr10,bad3
set_gr_addr bad3,gr10
flush_data_cache gr10
set_gr_mem bad4,gr10
or_gr_immed 0x02000000,gr10
set_mem_gr gr10,bad4
set_gr_addr bad4,gr10
flush_data_cache gr10
set_gr_mem bad9,gr10
or_gr_immed 0x02000000,gr10
set_mem_gr gr10,bad9
set_gr_addr bad9,gr10
flush_data_cache gr10
set_gr_mem bada,gr10
or_gr_immed 0x02000000,gr10
set_mem_gr gr10,bada
set_gr_addr bada,gr10
flush_data_cache gr10
set_gr_immed 4,gr20 ; PC increment
set_gr_immed 0,gr15
inc_gr_immed -12,sp ; for memory alignment
set_gr_addr bad1,gr17
bad1: stdi gr0,@(sp,0) ; misaligned reg
test_gr_immed 1,gr15
set_gr_addr bad2,gr17
bad2: lddi @(sp,0),gr8 ; misaligned reg
test_gr_immed 2,gr15
set_gr_addr bad3,gr17
bad3: stdc cpr0,@(sp,gr0) ; misaligned reg
test_gr_immed 3,gr15
set_gr_addr bad4,gr17
bad4: lddc @(sp,gr0),cpr8 ; misaligned reg
test_gr_immed 4,gr15
set_gr_addr bad5,gr17
bad5: stqi gr2,@(sp,0) ; misaligned reg
test_gr_immed 5,gr15
set_gr_addr bad6,gr17
bad6: ldqi @(sp,0),gr10 ; misaligned reg
test_gr_immed 6,gr15
set_gr_addr bad7,gr17
bad7: stqc cpr2,@(sp,gr0) ; misaligned reg
test_gr_immed 7,gr15
set_gr_addr bad8,gr17
bad8: ldqc @(sp,gr0),cpr10 ; misaligned reg
test_gr_immed 8,gr15
set_gr_immed 0,gr20 ; PC increment
set_gr_addr bad9,gr17
bad9: stdfi fr0,@(sp,0) ; misaligned reg
test_gr_immed 9,gr15
set_gr_addr bada,gr17
bada: lddfi @(sp,0),fr8 ; misaligned reg
test_gr_immed 10,gr15
set_gr_addr badb,gr17
badb: stqfi fr2,@(sp,0) ; misaligned reg
test_gr_immed 11,gr15
set_gr_addr badc,gr17
badc: ldqfi @(sp,0),fr10 ; misaligned reg
test_gr_immed 12,gr15
pass
; exception handler
ok1:
cmpi gr20,0,icc0
beq icc0,0,float
; check register_exception
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,1,0xc,esr0 ; esr0.ec is set
test_spr_bits 0x00c0,6,0x1,esr0 ; esr0.rec is set
test_spr_bits 0x0800,11,0x0,esr0 ; esr0.eav is not set
movsg pcsr,gr60
add gr60,gr20,gr60
movgs gr60,pcsr
bra ret
float:
; check fp_exception
test_spr_immed 0,esfr1 ; no esr's active
ret:
inc_gr_immed 1,gr15
rett 0
fail