URL
https://opencores.org/ocsvn/eco32/eco32/trunk
Subversion Repositories eco32
Compare Revisions
- This comparison shows the changes necessary to convert path
/eco32/tags/eco32-0.24/hwtests/ldtest
- from Rev 137 to Rev 211
- ↔ Reverse comparison
Rev 137 → Rev 211
/README
0,0 → 1,2
This is a test for load instructions. A dot ('.') is sent on serial |
line 0 to indicate success, a question mark ('?') for failure. |
/Makefile
0,0 → 1,26
# |
# Makefile for ldtest ROM |
# |
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BUILD = ../../build |
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.PHONY: all install run clean |
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all: ldtest.exo |
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install: ldtest.exo |
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ldtest.exo: ldtest.bin |
$(BUILD)/bin/bin2exo -S2 0 ldtest.bin ldtest.exo |
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ldtest.bin: ldtest.o |
$(BUILD)/bin/ld -h -rc 0xE0000000 -o ldtest.bin ldtest.o |
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ldtest.o: ldtest.s |
$(BUILD)/bin/as -o ldtest.o ldtest.s |
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run: ldtest.bin |
$(BUILD)/bin/sim -i -t 1 -r ldtest.bin |
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clean: |
rm -f *~ ldtest.o ldtest.bin ldtest.exo |
/ldtest.s
0,0 → 1,86
; |
; ld.s -- test load instructions |
; |
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.set io_base,0xF0300000 |
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add $7,$0,'.' |
add $3,$0,w1 |
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t0: |
ldw $2,$3,0 |
add $4,$0,0x68795E3C |
beq $2,$4,t1 |
add $7,$0,'?' |
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t1: |
ldw $2,$3,4 |
add $4,$0,0x6879DEBC |
beq $2,$4,t2 |
add $7,$0,'?' |
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t2: |
ldh $2,$3,2 |
add $4,$0,0x00005E3C |
beq $2,$4,t3 |
add $7,$0,'?' |
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t3: |
ldh $2,$3,6 |
add $4,$0,0xFFFFDEBC |
beq $2,$4,t4 |
add $7,$0,'?' |
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t4: |
ldhu $2,$3,2 |
add $4,$0,0x00005E3C |
beq $2,$4,t5 |
add $7,$0,'?' |
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t5: |
ldhu $2,$3,6 |
add $4,$0,0x0000DEBC |
beq $2,$4,t6 |
add $7,$0,'?' |
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t6: |
ldb $2,$3,3 |
add $4,$0,0x0000003C |
beq $2,$4,t7 |
add $7,$0,'?' |
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t7: |
ldb $2,$3,7 |
add $4,$0,0xFFFFFFBC |
beq $2,$4,t8 |
add $7,$0,'?' |
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t8: |
ldbu $2,$3,3 |
add $4,$0,0x0000003C |
beq $2,$4,t9 |
add $7,$0,'?' |
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t9: |
ldbu $2,$3,7 |
add $4,$0,0x000000BC |
beq $2,$4,tx |
add $7,$0,'?' |
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tx: |
jal out |
halt: |
j halt |
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out: |
add $8,$0,io_base |
out1: |
ldw $9,$8,8 |
and $9,$9,1 |
beq $9,$0,out1 |
stw $7,$8,12 |
jr $31 |
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.align 4 |
w1: .word 0x68795E3C |
w2: .word 0x6879DEBC |