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test and fix store instruction (syntax was not for coding)

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This commit is contained in:
Torsten Ruger
2014-04-19 19:34:04 +03:00
parent 4bb74a0de2
commit bef1df8485
3 changed files with 56 additions and 58 deletions
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24
test/test_crystal.rb
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@ -37,6 +37,17 @@ class TestArmAsm < MiniTest::Test
code = @generator.and( [:reg , 'r1'] , [:reg , 'r2'] , [:reg , 'r3']).first
assert_code code , :and , [0x03,0x10,0x02,0xe0] #e0 01 10 03
end
def test_b
# the address is what an assembler calculates (a signed number for the amount of instructions),
# ie the relative (to pc) address -8 (pipeline) /4 so save space
# so the cpu adds the value*4 and starts loading that (load, decode, execute)
code = @generator.instance_eval { b -1 }.first #this jumps to the next instruction
assert_code code , :b , [0xff,0xff,0xff,0xea] #ea ff ff fe
end
def test_bl #see comment above. bx not implemented (as it means into thumb, and no thumb here)
code = @generator.instance_eval { bl -1 }.first #this jumps to the next instruction
assert_code code , :bl , [0xff,0xff,0xff,0xeb] #ea ff ff fe
end
def test_bic
code = @generator.instance_eval { bic r2 , r2 , r3 }.first
assert_code code , :bic , [0x03,0x20,0xc2,0xe1] #e3 c2 20 44
@ -69,18 +80,26 @@ class TestArmAsm < MiniTest::Test
code = @generator.instance_eval { sbc r3, r4 , r5 }.first
assert_code code , :sbc , [0x05,0x30,0xc4,0xe0]#e0 c4 30 05
end
def test_str
code = @generator.instance_eval { str r0, r0 }.first
assert_code code, :str , [0x00,0x00,0x80,0xe5] #e5 81 00 00
end
def test_sub
code = @generator.instance_eval { sub r2, r0, 1 }.first
assert_code code, :sub , [0x01,0x20,0x40,0xe2]
assert_code code, :sub , [0x01,0x20,0x40,0xe2] #e2 40 20 01
end
def test_swi
code = @generator.instance_eval { swi 0x05 }.first
assert_code code , :swi , [0x05,0x00,0x00,0xef]#ef 00 00 05
end
def test_teq
code = @generator.teq( [:reg , 'r1'] , [:reg , 'r2'] ).first
code = @generator.instance_eval{ teq r1 , r2}.first
assert_code code , :teq , [0x02,0x00,0x31,0xe1] #e1 31 00 02
end
def test_tst
code = @generator.instance_eval{ tst r1 , r2}.first
assert_code code , :tst , [0x02,0x00,0x11,0xe1] #e1 11 00 02
end
def test_mov
code = @generator.instance_eval { mov r0, 5 }.first
assert_code code , :mov , [0x05,0x00,0xa0,0xe3] #e3 a0 10 05
@ -89,7 +108,6 @@ class TestArmAsm < MiniTest::Test
code = @generator.instance_eval { mvn r1, 5 }.first
assert_code code , :mvn , [0x05,0x10,0xe0,0xe3] #e3 e0 10 05
end
# tst b bl bx strb
def saved_other
@generator.instance_eval do
mov r0, 5