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Fix review issues.

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This commit is contained in:
Alessandro Gatti
2019-12-27 15:41:35 +01:00
parent 51d73bd395
commit 59bf667520
1 changed files with 92 additions and 133 deletions
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225
Ghidra/Processors/CP1600/data/languages/CP1600.slaspec
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@@ -4,11 +4,11 @@ define space ram type=ram_space wordsize=2 size=2 default;
define space register type=register_space size=2; define space register type=register_space size=2;
define register offset=0x00 size=2 [ R0 R1 R2 R3 R4 R5 R6 R7 ]; define register offset=0x00 size=2 [ R0 R1 R2 R3 R4 R5 R6 R7 ];
define register offset=0x10 size=1 [ I D C O Z S ]; # Status bits define register offset=0x10 size=1 [ I D C O Z S ];
define register offset=0x20 size=4 [ contextreg ]; define register offset=0x20 size=4 [ contextreg ];
define token opcode_word (16) define token opcode_word (16)
clear = (10, 15) target3_5 = (3, 5)
reg3_5 = (3, 5) reg3_5 = (3, 5)
reg0_2 = (0, 2) reg0_2 = (0, 2)
reg0_1 = (0, 1) reg0_1 = (0, 1)
@@ -27,7 +27,7 @@ define token opcode_word (16)
; ;
define token jump_token (32) define token jump_token (32)
unused_jump = (26, 31) target24_25 = (24, 25)
reg24_25 = (24, 25) reg24_25 = (24, 25)
address_hi = (18, 23) address_hi = (18, 23)
jump_type = (16, 17) jump_type = (16, 17)
@@ -35,9 +35,7 @@ define token jump_token (32)
; ;
define token double16 (32) define token double16 (32)
unused_lo = (17, 31)
value_lo = (16, 23) value_lo = (16, 23)
unused_hi = (8, 15)
value_hi = (0, 7) value_hi = (0, 7)
; ;
@@ -52,7 +50,7 @@ define context contextreg
attach variables [ reg0_1 ] [ R0 R1 R2 R3 ]; attach variables [ reg0_1 ] [ R0 R1 R2 R3 ];
attach variables [ reg0_2 reg3_5 ] [ R0 R1 R2 R3 R4 R5 R6 R7 ]; attach variables [ reg0_2 reg3_5 ] [ R0 R1 R2 R3 R4 R5 R6 R7 ];
attach variables [ reg24_25 ] [ R4 R5 R6 R7 ]; # R7 is not used. attach variables [ reg24_25 ] [ R4 R5 R6 R7 ];
################################################################ ################################################################
@@ -61,6 +59,45 @@ branchdest16: reloc is branch_sign=0 ; imm16 [ reloc = inst_start + 2 + imm16
branchdest16: reloc is branch_sign=1 ; imm16 [ reloc = inst_start + 2 - imm16; ] { export *:2 reloc; } branchdest16: reloc is branch_sign=1 ; imm16 [ reloc = inst_start + 2 - imm16; ] { export *:2 reloc; }
splitimm16: split is value_hi & value_lo [ split = (value_hi << 8) + value_lo; ] { local tmp:2 = split & 0xFFFF; export tmp; } splitimm16: split is value_hi & value_lo [ split = (value_hi << 8) + value_lo; ] { local tmp:2 = split & 0xFFFF; export tmp; }
impliedval16: reg3_5 is reg3_5 & (target3_5=0 | target3_5=1 | target3_5=2 | target3_5=3 | target3_5=7) & doublebyte=0 {
local tmp:2 = *:2 reg3_5;
export tmp;
}
impliedval16: reg3_5 is reg3_5 & (target3_5=4 | target3_5=5) & doublebyte=0 {
local tmp:2 = *:2 reg3_5;
reg3_5 = reg3_5 + 1;
export tmp;
}
impliedval16: reg3_5 is reg3_5 & target3_5=6 & doublebyte=0 {
reg3_5 = reg3_5 - 1;
local tmp:2 = *:2 reg3_5;
export tmp;
}
impliedval16: reg3_5 is reg3_5 & (target3_5=4 | target3_5=5) & doublebyte=1 {
local tmp:2 = zext(*:1 reg3_5);
reg3_5 = reg3_5 + 1;
tmp = tmp | (zext(*:1 reg3_5) << 8);
reg3_5 = reg3_5 + 1;
export tmp;
}
impliedval16: reg3_5 is reg3_5 & target3_5=6 & doublebyte=1 {
reg3_5 = reg3_5 - 1;
local tmp:2 = zext(*:1 reg3_5);
reg3_5 = reg3_5 - 1;
tmp = tmp | (zext(*:1 reg3_5) << 8);
export tmp;
}
impliedval16: reg3_5 is reg3_5 & (target3_5=0 | target3_5=1 | target3_5=2 | target3_5=3 | target3_5=7) & doublebyte=1 {
local tmp:2 = zext(*:1 reg3_5);
tmp = tmp | (zext(*:1 reg3_5) << 8);
export tmp;
}
################################################################ ################################################################
macro resultFlags(value) { macro resultFlags(value) {
@@ -77,26 +114,6 @@ macro addition(first, second) {
resultFlags(first); resultFlags(first);
} }
macro readHalfDoubleWord(reg, dest) {
if (reg != R6) goto <read>;
reg = reg - 1;
<read>
local __tmp__:2 = reg;
local __ptr__:2 = *__tmp__;
dest = (*:2 (__ptr__)) & 0x00FF;
if ((reg != R4) || (reg != R5)) goto <done>;
reg = reg + 1;
<done>
}
macro readDoubleWord(reg, dest) {
local __tmpl__:2 = 0;
readHalfDoubleWord(reg, __tmpl__);
local __tmph__:2 = 0;
readHalfDoubleWord(reg, __tmph__);
dest = (__tmph__ << 8) | __tmpl__;
}
macro comparison(first, second) { macro comparison(first, second) {
local __val__ = first - second; local __val__ = first - second;
O = sborrow(first, second); O = sborrow(first, second);
@@ -121,7 +138,11 @@ define pcodeop SoftwareInterrupt;
:ADD addr16, reg0_2 is opcode3_9=0x0058 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :ADD addr16, reg0_2 is opcode3_9=0x0058 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local ptr:2 = addr16; local ptr:2 = addr16;
addition(reg0_2, *(*:2 ptr)); addition(reg0_2, *:2 ptr);
}
:ADD@ impliedval16, reg0_2 is opcode6_9=0x000B & reg0_2 & impliedval16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
addition(reg0_2, impliedval16);
} }
:ADCR reg0_2 is opcode3_9=0x0005 & reg0_2 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :ADCR reg0_2 is opcode3_9=0x0005 & reg0_2 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
@@ -135,7 +156,12 @@ define pcodeop SoftwareInterrupt;
:AND addr16, reg0_2 is opcode3_9=0x0070 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :AND addr16, reg0_2 is opcode3_9=0x0070 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local ptr:2 = addr16; local ptr:2 = addr16;
reg0_2 = reg0_2 & *(*:2 ptr); reg0_2 = reg0_2 & *:2 ptr;
resultFlags(reg0_2);
}
:AND@ impliedval16, reg0_2 is opcode6_9=0x000E & reg0_2 & impliedval16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
reg0_2 = reg0_2 & impliedval16;
resultFlags(reg0_2); resultFlags(reg0_2);
} }
@@ -214,7 +240,11 @@ define pcodeop SoftwareInterrupt;
:CMP addr16, reg0_2 is opcode3_9=0x0068 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :CMP addr16, reg0_2 is opcode3_9=0x0068 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local ptr:2 = addr16; local ptr:2 = addr16;
comparison(reg0_2, *(*:2 ptr)); comparison(reg0_2, *:2 ptr);
}
:CMP@ impliedval16, reg0_2 is opcode6_9=0x000D & reg0_2 & impliedval16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
comparison(reg0_2, impliedval16);
} }
:CMPR reg3_5, reg0_2 is opcode6_9=0x0005 & reg3_5 & reg0_2 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :CMPR reg3_5, reg0_2 is opcode6_9=0x0005 & reg3_5 & reg0_2 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
@@ -253,16 +283,16 @@ define pcodeop SoftwareInterrupt;
resultFlags(reg0_2); resultFlags(reg0_2);
} }
:J jmpdest16 is opcode0_9=0x0004 ; jump_type=0 & reg24_25=R7 & jmpdest16 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :J jmpdest16 is opcode0_9=0x0004 ; jump_type=0 & target24_25=3 & jmpdest16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
goto jmpdest16; goto jmpdest16;
} }
:JD jmpdest16 is opcode0_9=0x0004 ; jump_type=2 & reg24_25=R7 & jmpdest16 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :JD jmpdest16 is opcode0_9=0x0004 ; jump_type=2 & target24_25=3 & jmpdest16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
I = 0; I = 0;
goto jmpdest16; goto jmpdest16;
} }
:JE jmpdest16 is opcode0_9=0x0004 ; jump_type=1 & reg24_25=R7 & jmpdest16 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :JE jmpdest16 is opcode0_9=0x0004 ; jump_type=1 & target24_25=3 & jmpdest16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
I = 1; I = 1;
goto jmpdest16; goto jmpdest16;
} }
@@ -294,15 +324,20 @@ define pcodeop SoftwareInterrupt;
reg0_2 = *(*:2 ptr); reg0_2 = *(*:2 ptr);
} }
:MVI@ impliedval16, reg0_2 is opcode6_9=0x000A & reg0_2 & impliedval16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
reg0_2 = impliedval16;
}
:MVO reg0_2, addr16 is opcode3_9=0x0048 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :MVO reg0_2, addr16 is opcode3_9=0x0048 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local ptr:2 = addr16; local ptr:2 = addr16;
*ptr = reg0_2; *ptr = reg0_2;
} }
:MVO@ reg0_2, reg3_5 is opcode6_9=0x0009 & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :MVO@ reg0_2, reg3_5 is opcode6_9=0x0009 & reg0_2 & reg3_5 & target3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local ptr:2 = reg3_5; local ptr:2 = reg3_5;
*ptr = reg0_2; *ptr = reg0_2;
if ((reg3_5 != R4) && (reg3_5 != R5) && (reg3_5 != R6)) goto inst_next; local target:2 = target3_5;
if ((target != 4) && (target != 5) && (target != 6)) goto inst_next;
reg3_5 = reg3_5 + 1; reg3_5 = reg3_5 + 1;
} }
@@ -348,7 +383,11 @@ define pcodeop SoftwareInterrupt;
:SUB addr16, reg0_2 is opcode3_9=0x0060 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :SUB addr16, reg0_2 is opcode3_9=0x0060 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local ptr:2 = addr16; local ptr:2 = addr16;
subtraction(reg0_2, *(*:2 ptr)); subtraction(reg0_2, *:2 ptr);
}
:SUB@ impliedval16, reg0_2 is opcode6_9=0x000C & reg0_2 & impliedval16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
subtraction(reg0_2, impliedval16);
} }
:SUBR reg3_5, reg0_2 is opcode6_9=0x0004 & reg3_5 & reg0_2 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :SUBR reg3_5, reg0_2 is opcode6_9=0x0004 & reg3_5 & reg0_2 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
@@ -361,7 +400,12 @@ define pcodeop SoftwareInterrupt;
:XOR addr16, reg0_2 is opcode3_9=0x0078 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :XOR addr16, reg0_2 is opcode3_9=0x0078 & reg0_2 ; addr16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local ptr:2 = addr16; local ptr:2 = addr16;
reg0_2 = reg0_2 ^ *(*:2 ptr); reg0_2 = reg0_2 ^ *:2 ptr;
resultFlags(reg0_2);
}
:XOR@ impliedval16, reg0_2 is opcode6_9=0x000F & reg0_2 & impliedval16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
reg0_2 = reg0_2 ^ impliedval16;
resultFlags(reg0_2); resultFlags(reg0_2);
} }
@@ -370,8 +414,6 @@ define pcodeop SoftwareInterrupt;
resultFlags(reg0_2); resultFlags(reg0_2);
} }
with : operation_size=0 {
:RLC reg0_2, 1 is opcode3_9=0x000A & reg0_2 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :RLC reg0_2, 1 is opcode3_9=0x000A & reg0_2 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local tmpC = (reg0_2 & 0x8000) != 0; local tmpC = (reg0_2 & 0x8000) != 0;
local tmpS = (reg0_2 & 0x4000) != 0; local tmpS = (reg0_2 & 0x4000) != 0;
@@ -436,8 +478,6 @@ with : operation_size=0 {
S = tmpS; S = tmpS;
} }
}
with : operation_size=1 { with : operation_size=1 {
:RLC reg0_2, 2 is opcode3_9=0x000A & reg0_2 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :RLC reg0_2, 2 is opcode3_9=0x000A & reg0_2 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
@@ -513,139 +553,58 @@ with : operation_size=1 {
} }
with : doublebyte=0 { :ADDI imm16, reg0_2 is opcode3_9=0x005F & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
:ADD@ reg3_5, reg0_2 is opcode6_9=0x000B & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local val:2 = 0;
readHalfDoubleWord(reg3_5, val);
addition(reg0_2, val);
}
:ADDI #imm16, reg0_2 is opcode3_9=0x005F & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
addition(reg0_2, imm16); addition(reg0_2, imm16);
} }
:AND@ reg3_5, reg0_2 is opcode6_9=0x000E & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :ANDI imm16, reg0_2 is opcode3_9=0x0077 & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local val:2 = 0;
readHalfDoubleWord(reg3_5, val);
reg0_2 = reg0_2 & val;
resultFlags(reg0_2);
}
:ANDI #imm16, reg0_2 is opcode3_9=0x0077 & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
reg0_2 = reg0_2 & imm16; reg0_2 = reg0_2 & imm16;
resultFlags(reg0_2); resultFlags(reg0_2);
} }
:CMP@ reg3_5, reg0_2 is opcode6_9=0x000D & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :CMPI imm16, reg0_2 is opcode3_9=0x006F & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local tmp:2 = 0;
readHalfDoubleWord(reg3_5, tmp);
comparison(reg0_2, tmp);
}
:CMPI #imm16, reg0_2 is opcode3_9=0x006F & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
comparison(reg0_2, imm16); comparison(reg0_2, imm16);
} }
:MVI@ reg3_5, reg0_2 is opcode6_9=0x000A & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :MVII imm16, reg0_2 is opcode3_9=0x0057 & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local val:2 = 0;
readHalfDoubleWord(reg3_5, val);
reg0_2 = val;
}
:MVII #imm16, reg0_2 is opcode3_9=0x0057 & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
reg0_2 = imm16; reg0_2 = imm16;
} }
:SUB@ reg3_5, reg0_2 is opcode6_9=0x000C & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :SUBI imm16, reg0_2 is opcode3_9=0x0067 & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local val:2 = 0;
readHalfDoubleWord(reg3_5, val);
subtraction(reg0_2, val);
}
:SUBI #imm16, reg0_2 is opcode3_9=0x0067 & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
subtraction(reg0_2, imm16); subtraction(reg0_2, imm16);
} }
:XOR@ reg3_5, reg0_2 is opcode6_9=0x000F & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :XORI imm16, reg0_2 is opcode3_9=0x007F & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local val:2 = 0;
readHalfDoubleWord(reg3_5, val);
reg0_2 = reg0_2 ^ val;
resultFlags(reg0_2);
}
:XORI #imm16, reg0_2 is opcode3_9=0x007F & reg0_2 ; imm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
reg0_2 = reg0_2 ^ imm16; reg0_2 = reg0_2 ^ imm16;
resultFlags(reg0_2); resultFlags(reg0_2);
} }
}
with : doublebyte=1 { with : doublebyte=1 {
:ADD@ reg3_5, reg0_2 is opcode6_9=0x000B & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :ADDI splitimm16, reg0_2 is opcode3_9=0x005F & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local val:2 = 0;
readDoubleWord(reg3_5, val);
addition(reg0_2, val);
}
:ADDI #splitimm16, reg0_2 is opcode3_9=0x005F & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
addition(reg0_2, splitimm16); addition(reg0_2, splitimm16);
} }
:AND@ reg3_5, reg0_2 is opcode6_9=0x000E & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :ANDI splitimm16, reg0_2 is opcode3_9=0x0077 & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local val:2 = 0;
readDoubleWord(reg3_5, val);
reg0_2 = reg0_2 & val;
resultFlags(reg0_2);
}
:ANDI #splitimm16, reg0_2 is opcode3_9=0x0077 & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
reg0_2 = reg0_2 & splitimm16; reg0_2 = reg0_2 & splitimm16;
resultFlags(reg0_2); resultFlags(reg0_2);
} }
:CMP@ reg3_5, reg0_2 is opcode6_9=0x000D & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :CMPI splitimm16, reg0_2 is opcode3_9=0x006F & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local tmp:2 = 0;
readDoubleWord(reg3_5, tmp);
comparison(reg0_2, tmp);
}
:CMPI #splitimm16, reg0_2 is opcode3_9=0x006F & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
comparison(reg0_2, splitimm16); comparison(reg0_2, splitimm16);
} }
:MVI@ reg3_5, reg0_2 is opcode6_9=0x000A & reg0_2 & reg3_5 [ globalset(inst_next, doublebyte); ] { :MVII splitimm16, reg0_2 is opcode3_9=0x0057 & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local val:2 = 0;
readDoubleWord(reg3_5, val);
reg0_2 = val;
}
:MVII #splitimm16, reg0_2 is opcode3_9=0x0057 & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
reg0_2 = splitimm16; reg0_2 = splitimm16;
} }
:SUB@ reg3_5, reg0_2 is opcode6_9=0x000C & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :SUBI splitimm16, reg0_2 is opcode3_9=0x0067 & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local val:2 = 0;
readDoubleWord(reg3_5, val);
subtraction(reg0_2, val);
}
:SUBI #splitimm16, reg0_2 is opcode3_9=0x0067 & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
subtraction(reg0_2, splitimm16); subtraction(reg0_2, splitimm16);
} }
:XOR@ reg3_5, reg0_2 is opcode6_9=0x000F & reg0_2 & reg3_5 [ doublebyte=0; globalset(inst_next, doublebyte); ] { :XORI splitimm16, reg0_2 is opcode3_9=0x007F & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
local val:2 = 0;
readDoubleWord(reg3_5, val);
reg0_2 = reg0_2 ^ val;
resultFlags(reg0_2);
}
:XORI #splitimm16, reg0_2 is opcode3_9=0x007F & reg0_2 ; splitimm16 [ doublebyte=0; globalset(inst_next, doublebyte); ] {
reg0_2 = reg0_2 ^ splitimm16; reg0_2 = reg0_2 ^ splitimm16;
resultFlags(reg0_2); resultFlags(reg0_2);
} }
} }