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Commit 0389701f authored by Roberto Hexsel's avatar Roberto Hexsel
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revised docs

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cMIPS/docs/cMIPS.pdf
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cMIPS/tests/break.s
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...@@ -30,6 +30,31 @@ _exit: nop # flush pipeline ...@@ -30,6 +30,31 @@ _exit: nop # flush pipeline
nop nop
.end _start .end _start
.org x_EXCEPTION_0000,0
_excp_0000:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x01
nop
.org x_EXCEPTION_0100,0
_excp_0100:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x02
nop
.org x_EXCEPTION_0180,0 # exception vector_180 .org x_EXCEPTION_0180,0 # exception vector_180
.global _excp_180, excp_180 .global _excp_180, excp_180
.ent _excp_180 .ent _excp_180
...@@ -67,7 +92,21 @@ _excp_200: ...@@ -67,7 +92,21 @@ _excp_200:
eret eret
.end _excp_200 .end _excp_200
.org x_EXCEPTION_BFC0,0
_excp_BFC0:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x04
nop
##
##=================================================================
##
.org x_ENTRY_POINT # normal code start .org x_ENTRY_POINT # normal code start
main: la $15,x_IO_BASE_ADDR main: la $15,x_IO_BASE_ADDR
li $7,4 li $7,4
......
cMIPS/tests/ll_sc.s
+ 50
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...@@ -28,6 +28,30 @@ _exit: nop # flush pipeline ...@@ -28,6 +28,30 @@ _exit: nop # flush pipeline
.end _start .end _start
.org x_EXCEPTION_0000,0
_excp_0000:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x01
nop
.org x_EXCEPTION_0100,0
_excp_0100:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x02
nop
.org x_EXCEPTION_0180,0 .org x_EXCEPTION_0180,0
.global excp_180 .global excp_180
.ent excp_180 .ent excp_180
...@@ -45,6 +69,31 @@ excp_180: ...@@ -45,6 +69,31 @@ excp_180:
.end excp_180 .end excp_180
_excp_0200:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x03
nop
.org x_EXCEPTION_BFC0,0
_excp_BFC0:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x04
nop
##
##=================================================================
##
.org x_ENTRY_POINT,0 .org x_ENTRY_POINT,0
.ent main .ent main
main: la $15,x_IO_BASE_ADDR # print $5=8 and count downwards main: la $15,x_IO_BASE_ADDR # print $5=8 and count downwards
......
cMIPS/tests/overflow.s
+ 50
− 1
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...@@ -31,6 +31,29 @@ _exit: nop # flush pipeline ...@@ -31,6 +31,29 @@ _exit: nop # flush pipeline
nop nop
.end _start .end _start
.org x_EXCEPTION_0000,0
_excp_0000:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x01
nop
.org x_EXCEPTION_0100,0
_excp_0100:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x02
nop
.org x_EXCEPTION_0180,0 # exception vector_180 .org x_EXCEPTION_0180,0 # exception vector_180
.global _excp_180 .global _excp_180
.ent _excp_180 .ent _excp_180
...@@ -73,7 +96,33 @@ return: mtc0 $k1, cop0_EPC ...@@ -73,7 +96,33 @@ return: mtc0 $k1, cop0_EPC
.end _excp_180 .end _excp_180
#-----------------------------------------------------------------
_excp_0200:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x03
nop
.org x_EXCEPTION_BFC0,0
_excp_BFC0:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x04
nop
##
##----------------------------------------------------------------
##
.org x_ENTRY_POINT,0 # user code starts here .org x_ENTRY_POINT,0 # user code starts here
main: la $15, x_IO_BASE_ADDR main: la $15, x_IO_BASE_ADDR
la $16, x_IO_BASE_ADDR+x_IO_ADDR_RANGE la $16, x_IO_BASE_ADDR+x_IO_ADDR_RANGE
......
cMIPS/tests/syscall.s
+ 48
− 0
View file @ 0389701f
...@@ -31,6 +31,29 @@ _exit: nop # flush pipeline ...@@ -31,6 +31,29 @@ _exit: nop # flush pipeline
nop nop
.end _start .end _start
.org x_EXCEPTION_0000,0
_excp_0000:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x01
nop
.org x_EXCEPTION_0100,0
_excp_0100:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x02
nop
.org x_EXCEPTION_0180,0 # exception vector_180 .org x_EXCEPTION_0180,0 # exception vector_180
.ent _excp_180 .ent _excp_180
_excp_180: _excp_180:
...@@ -46,6 +69,31 @@ _excp_180: ...@@ -46,6 +69,31 @@ _excp_180:
.end _excp_180 .end _excp_180
_excp_0200:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x03
nop
.org x_EXCEPTION_BFC0,0
_excp_BFC0:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x04
nop
##
##===============================================================
##
.org x_ENTRY_POINT,0 # normal code start .org x_ENTRY_POINT,0 # normal code start
main: la $15, x_IO_BASE_ADDR main: la $15, x_IO_BASE_ADDR
li $7, 4 li $7, 4
......
cMIPS/tests/teq_jal.s
+ 38
− 1
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...@@ -32,6 +32,28 @@ _exit: nop # flush pipeline ...@@ -32,6 +32,28 @@ _exit: nop # flush pipeline
.end _start .end _start
.org x_EXCEPTION_0000,0
_excp_0000:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x01
nop
.org x_EXCEPTION_0100,0
_excp_0100:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x02
nop
.org x_EXCEPTION_0180,0 # exception vector_180 .org x_EXCEPTION_0180,0 # exception vector_180
.ent _excp_180 .ent _excp_180
excp_180: excp_180:
...@@ -89,6 +111,21 @@ _excp_200: ...@@ -89,6 +111,21 @@ _excp_200:
.end _excp_200 .end _excp_200
.org x_EXCEPTION_BFC0,0
_excp_BFC0:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x04
nop
##
##================================================================
##
.org x_ENTRY_POINT,0 .org x_ENTRY_POINT,0
main: la $15, x_IO_BASE_ADDR # print out address (simulator's stdout) main: la $15, x_IO_BASE_ADDR # print out address (simulator's stdout)
## ##
......
cMIPS/tests/teq_tne.s
+ 37
− 0
View file @ 0389701f
...@@ -31,6 +31,30 @@ _exit: nop # flush pipeline ...@@ -31,6 +31,30 @@ _exit: nop # flush pipeline
.end _start .end _start
.org x_EXCEPTION_0000,0
_excp_0000:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x01
nop
.org x_EXCEPTION_0100,0
_excp_0100:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x02
nop
.org x_EXCEPTION_0180,0 # exception vector_180 .org x_EXCEPTION_0180,0 # exception vector_180
.ent _excp_180 .ent _excp_180
_excp_180: _excp_180:
...@@ -91,6 +115,19 @@ _excp_200: ...@@ -91,6 +115,19 @@ _excp_200:
.end _excp_200 .end _excp_200
.org x_EXCEPTION_BFC0,0
_excp_BFC0:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x04
nop
.org x_ENTRY_POINT,0 .org x_ENTRY_POINT,0
main: la $15, x_IO_BASE_ADDR # print out address (simulator's stdout) main: la $15, x_IO_BASE_ADDR # print out address (simulator's stdout)
li $7, 3 li $7, 3
......
cMIPS/tests/tlt_tlti.s
+ 36
− 1
View file @ 0389701f
...@@ -36,6 +36,28 @@ _exit: nop # flush pipeline ...@@ -36,6 +36,28 @@ _exit: nop # flush pipeline
.end _start .end _start
.org x_EXCEPTION_0000,0
_excp_0000:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x01
nop
.org x_EXCEPTION_0100,0
_excp_0100:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x02
nop
## ##
## print CAUSE, decrement iteration control ## print CAUSE, decrement iteration control
## ##
...@@ -90,8 +112,21 @@ _excp_200: ...@@ -90,8 +112,21 @@ _excp_200:
.end _excp_200 .end _excp_200
.org x_EXCEPTION_BFC0,0
_excp_BFC0:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x04
nop
##
##=======================================================
##
.org x_ENTRY_POINT,0 # normal code start .org x_ENTRY_POINT,0 # normal code start
main: la $15, x_IO_BASE_ADDR # simulator's stdout main: la $15, x_IO_BASE_ADDR # simulator's stdout
li $7, 4 # do loop 4 times li $7, 4 # do loop 4 times
......
cMIPS/tests/tltu_tgeu.s
+ 37
− 1
View file @ 0389701f
...@@ -36,6 +36,29 @@ _exit: nop # flush pipeline ...@@ -36,6 +36,29 @@ _exit: nop # flush pipeline
nop nop
.end _start .end _start
.org x_EXCEPTION_0000,0
_excp_0000:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x01
nop
.org x_EXCEPTION_0100,0
_excp_0100:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x02
nop
.org x_EXCEPTION_0180,0 # exception vector_180 .org x_EXCEPTION_0180,0 # exception vector_180
.ent _excp_180 .ent _excp_180
## ##
...@@ -87,7 +110,20 @@ _excp_200: ...@@ -87,7 +110,20 @@ _excp_200:
.end _excp_200 .end _excp_200
.org x_EXCEPTION_BFC0,0
_excp_BFC0:
la $k0, x_IO_BASE_ADDR
mfc0 $k1, cop0_CAUSE
sw $k1, 0($k0) # print CAUSE, flush pipe and stop simulation
nop
nop
nop
wait 0x04
nop
##
##=======================================================
##
.org x_ENTRY_POINT,0 # normal code .org x_ENTRY_POINT,0 # normal code
main: la $15,x_IO_BASE_ADDR # simulator's stdout main: la $15,x_IO_BASE_ADDR # simulator's stdout
......
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