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Revert "[MIGRATED] [PATCH 12/81] more"

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This reverts commit 01cb3ecd0a.
This commit is contained in:
aybe
2020-10-17 02:08:47 +02:00
parent e8807539c5
commit d1c9a4410e
1 changed files with 0 additions and 111 deletions
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111
docs/doc-collection/opcodes/x86/8086.dop
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@@ -3,12 +3,6 @@ arch "x86";
description "Machine-parsable list of opcodes"; description "Machine-parsable list of opcodes";
charset_encoding "UTF-8"; /* default */ charset_encoding "UTF-8"; /* default */
define segment reference "segref" {
description "data segment reference, or segment referenced by override";
type segment reference;
on start of instruction set to null;
}
define modeflag "mode64" { define modeflag "mode64" {
description "64-bit long mode"; description "64-bit long mode";
type boolean; type boolean;
@@ -274,16 +268,6 @@ define register map "genregb" {
index 7 register "BH"; index 7 register "BH";
} }
define register map "genreg" {
input param "w" type boolean;
if w == true {
return register map "genregw";
}
else {
return register map "genregb";
}
}
define register map "sreg" { define register map "sreg" {
index 0 register "ES"; index 0 register "ES";
index 1 register "CS"; index 1 register "CS";
@@ -311,98 +295,3 @@ define encoding "sib" {
subset "base" bit range(2:0); subset "base" bit range(2:0);
} }
define function "mrm_dataseg" {
return type segment reference;
if segref != null {
return segref;
}
return segment reference "DS";
}
define function "mrm16_eaofs" {
return type uint16_t;
input "x" encoding "mrm";
if x.rm == 0 {
return (register "BX" + register "SI");
}
if x.rm == 1 {
return (register "BX" + register "DI");
}
if x.rm == 2 {
return (register "BP" + register "SI");
}
if x.rm == 3 {
return (register "BP" + register "DI");
}
if x.rm == 4 {
return register "SI";
}
if x.rm == 5 {
return register "DI";
}
if x.rm == 6 {
return register "BP";
}
if x.rm == 7 {
return register "BX";
}
return null;
}
define function "mrm16_eadisp" {
return type memory reference;
input "x" encoding "mrm";
input "disp" type int16_t;
require !(x.mod == 0 && x.rm == 6); /* make sure it's not [offset] */
require x.mod != 3; /* mod == 3 means r/m is register */
define var "ofs" description "offset" type uint16_t;
define var "seg" description "segment" type segment reference;
if segref != null {
seg = segref;
}
else if x.rm == 2 || x.rm == 3 || x.rm == 6 {
/* anything involving BP refers by default to the stack segment */
seg = segment reference "SS";
}
else {
seg = segment reference "DS";
}
ofs = mrm16_eaofs(x) + disp;
return memory reference segment seg offset ofs;
}
define effective address "mrm16" {
input "x" encoding "mrm";
if x.mod == 3 {
return register map "genreg" with param "w" = x.rm;
}
else if x.mod == 0 && x.rm == 6 {
define var "disp" description "offset" type uint16_t;
disp = cpu instruction fetch uint16_t;
return memory reference segment mrm_dataseg() offset disp;
}
else {
define var "disp" description "displacement" type int16_t; /* signed two's complement */
if x.mod == 1 {
disp = cpu instruction fetch int8_t;
}
else if x.mod == 2 {
disp = cpu instruction fetch int16_t;
}
else {
disp = 0;
}
return mrm16_eadisp(x,disp);
}
}