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- added instructions RdDd(), DdRd(), RdTd(), TdRd() and Ms().

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See patch [ 583002 ] from Luiz Henrique Shigunov
This commit is contained in:
Christophe Bothamy 2002-08-12 14:39:40 +00:00
parent da3a147ce2
commit ebe47e8059
1 changed files with 72 additions and 8 deletions
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80
bochs/disasm/dis_groups.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: dis_groups.cc,v 1.3 2001-10-03 13:10:37 bdenney Exp $
// $Id: dis_groups.cc,v 1.4 2002-08-12 14:39:40 cbothamy Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -41,9 +41,34 @@ bx_disassemble_c::STi(void) {dis_sprintf("*** STi() unfinished ***");}
// Debug, Test, and Control Register stuff
void
bx_disassemble_c::RdDd(void) {dis_sprintf("*** RdDd() unfinished ***");}
bx_disassemble_c::RdDd(void)
{
Bit8u mod_rm_byte, mod, opcode, rm;
mod_rm_byte = fetch_byte();
BX_DECODE_MODRM(mod_rm_byte, mod, opcode, rm);
// only reg32 operand is valid
if (mod != 0x3) {
dis_sprintf("Invalid Opcode");
}
else {
dis_sprintf("%s, DR%u", general_32bit_reg_name[rm], opcode);
}
}
void
bx_disassemble_c::DdRd(void) {dis_sprintf("*** DdRd() unfinished ***");}
bx_disassemble_c::DdRd(void)
{
Bit8u mod_rm_byte, mod, opcode, rm;
mod_rm_byte = fetch_byte();
BX_DECODE_MODRM(mod_rm_byte, mod, opcode, rm);
// only reg32 operand is valid
if (mod != 0x3) {
dis_sprintf("Invalid Opcode");
}
else {
dis_sprintf("DR%u, %s", opcode, general_32bit_reg_name[rm]);
}
}
void
bx_disassemble_c::RdCd(void)
@ -78,15 +103,54 @@ bx_disassemble_c::CdRd(void)
}
void
bx_disassemble_c::RdTd(void) {dis_sprintf("*** RdTd() unfinished ***");}
void
bx_disassemble_c::TdRd(void) {dis_sprintf("*** TdRd() unfinished ***");}
bx_disassemble_c::RdTd(void)
{
Bit8u mod_rm_byte, mod, opcode, rm;
mod_rm_byte = fetch_byte();
BX_DECODE_MODRM(mod_rm_byte, mod, opcode, rm);
// only reg32 operand is valid and tr3 or above
if (mod != 0x3 || opcode < 3) {
dis_sprintf("Invalid Opcode");
}
else {
dis_sprintf("TR%u, %s", opcode, general_32bit_reg_name[rm]);
}
}
void
bx_disassemble_c::TdRd(void)
{
Bit8u mod_rm_byte, mod, opcode, rm;
mod_rm_byte = fetch_byte();
BX_DECODE_MODRM(mod_rm_byte, mod, opcode, rm);
// only reg32 operand is valid and tr3 or above
if (mod != 0x3 || opcode < 3) {
dis_sprintf("Invalid Opcode");
}
else {
dis_sprintf("%s, TR%u", general_32bit_reg_name[rm], opcode);
}
}
void
bx_disassemble_c::Ms(void)
{
Bit8u mod_rm_byte, mod, opcode, rm;
mod_rm_byte = peek_byte();
BX_DECODE_MODRM(mod_rm_byte, mod, opcode, rm);
// only memory operand is valid
if (mod == 0x3) {
dis_sprintf("Invalid Opcode");
fetch_byte();
}
else {
decode_exgx(BX_NO_REG_TYPE, BX_NO_REG_TYPE);
}
}
// Other un-implemented operand signatures
void
bx_disassemble_c::Ms(void) {dis_sprintf("*** Ms() unfinished ***");}
void
bx_disassemble_c::XBTS(void) {dis_sprintf("*** XBTS() unfinished ***");}
void
bx_disassemble_c::IBTS(void) {dis_sprintf("*** IBTS() unfinished ***");}