URL
https://opencores.org/ocsvn/eco32/eco32/trunk
Subversion Repositories eco32
Compare Revisions
- This comparison shows the changes necessary to convert path
/eco32/tags/eco32-0.25/hwtests/sregtest
- from Rev 245 to Rev 248
- ↔ Reverse comparison
Rev 245 → Rev 248
/Makefile
0,0 → 1,26
# |
# Makefile for sregtest ROM |
# |
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BUILD = ../../build |
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.PHONY: all install run clean |
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all: sregtest.exo |
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install: sregtest.exo |
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sregtest.exo: sregtest.bin |
$(BUILD)/bin/bin2exo -S2 0 sregtest.bin sregtest.exo |
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sregtest.bin: sregtest.o |
$(BUILD)/bin/ld -h -rc 0xE0000000 -o sregtest.bin sregtest.o |
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sregtest.o: sregtest.s |
$(BUILD)/bin/as -o sregtest.o sregtest.s |
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run: sregtest.bin |
$(BUILD)/bin/sim -i -s 1 -t 0 -r sregtest.bin |
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clean: |
rm -f *~ sregtest.o sregtest.bin sregtest.exo |
/sregtest.s
0,0 → 1,57
; |
; sregtest.s -- test special register transfer instructions |
; |
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.set io_base,0xF0300000 |
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add $7,$0,'.' |
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add $11,$0,0x1E67C536 |
mvts $11,1 |
add $12,$0,0xB45FCC78 |
mvts $12,2 |
add $13,$0,0x1FCB0BC5 |
mvts $13,3 |
add $14,$0,0x3AE82DD4 |
mvts $14,4 |
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mvfs $8,1 |
xor $9,$8,$11 |
and $9,$9,0x0000001F |
beq $9,$0,lbl1 |
add $7,$0,'?' |
lbl1: |
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mvfs $8,2 |
xor $9,$8,$12 |
and $9,$9,0xFFFFF000 |
beq $9,$0,lbl2 |
add $7,$0,'?' |
lbl2: |
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mvfs $8,3 |
xor $9,$8,$13 |
and $9,$9,0x3FFFF003 |
beq $9,$0,lbl3 |
add $7,$0,'?' |
lbl3: |
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mvfs $8,4 |
xor $9,$8,$14 |
and $9,$9,0xFFFFFFFF |
beq $9,$0,lbl4 |
add $7,$0,'?' |
lbl4: |
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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 |
/README
0,0 → 1,3
This is a test for data transfers to and from the special registers. |
A dot ('.') is sent on serial line 0 to indicate success, a question |
mark ('?') for failure. |