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Added 66 64 8B opcode

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This commit is contained in:
ptitSeb 2021-03-09 19:51:47 +01:00
parent 5edc83c556
commit 7309be6339
5 changed files with 66 additions and 0 deletions
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1
CMakeLists.txt
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@ -113,6 +113,7 @@ set(ELFLOADER_SRC
"${BOX64_ROOT}/src/emu/x64run64.c"
"${BOX64_ROOT}/src/emu/x64run66.c"
"${BOX64_ROOT}/src/emu/x64run660f.c"
"${BOX64_ROOT}/src/emu/x64run6664.c"
"${BOX64_ROOT}/src/emu/x64rund8.c"
"${BOX64_ROOT}/src/emu/x64rund9.c"
"${BOX64_ROOT}/src/emu/x64rundb.c"

1
src/emu/modrm.h
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@ -20,6 +20,7 @@
#define GETEB_OFFS(D, O) oped=GetEbO(emu, rex, nextop, D, O)
#define GETGB opgd=GetGb(emu, rex, nextop)
#define GETEW(D) oped=GetEw(emu, rex, nextop, D)
#define GETEW_OFFS(D, O) oped=GetEdO(emu, rex, nextop, D, O)
#define GETGW opgd=GetGw(emu, rex, nextop)
#define GETEX(D) opex=GetEx(emu, rex, nextop, D)
#define GETGX opgx=GetGx(emu, rex, nextop)

3
src/emu/x64run66.c
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@ -100,6 +100,9 @@ int Run66(x64emu_t *emu, rex_t rex)
case 0x0F: /* more opcdes */
return Run660F(emu, rex);
case 0x64: /* FS: */
return Run6664(emu, rex);
case 0x81: /* GRP3 Ew,Iw */
case 0x83: /* GRP3 Ew,Ib */
nextop = F8;

60
src/emu/x64run6664.c Normal file
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@ -0,0 +1,60 @@
#define _GNU_SOURCE
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <unistd.h>
#include "debug.h"
#include "box64stack.h"
#include "x64emu.h"
#include "x64run.h"
#include "x64emu_private.h"
#include "x64run_private.h"
#include "x64primop.h"
#include "x64trace.h"
#include "x87emu_private.h"
#include "box64context.h"
#include "bridge.h"
//#include "signals.h"
#ifdef DYNAREC
#include "../dynarec/arm_lock_helper.h"
#endif
#include "modrm.h"
int Run6664(x64emu_t *emu, rex_t rex)
{
uint8_t opcode;
uint8_t nextop;
reg64_t *oped, *opgd;
uintptr_t tlsdata = GetFSBaseEmu(emu);
opcode = F8;
// REX prefix before the F0 are ignored
rex.rex = 0;
while(opcode>=0x40 && opcode<=0x4f) {
rex.rex = opcode;
opcode = F8;
}
switch(opcode) {
case 0x8B: /* MOV Gd,Ed */
nextop = F8;
GETEW_OFFS(0, tlsdata);
GETGW;
if(rex.w)
GW->q[0] = EW->q[0];
else
GW->word[0] = EW->word[0];
break;
default:
return 1;
}
return 0;
}

1
src/emu/x64run_private.h
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@ -99,6 +99,7 @@ int Run0F(x64emu_t *emu, rex_t rex);
int Run64(x64emu_t *emu, rex_t rex);
int Run66(x64emu_t *emu, rex_t rex);
int Run660F(x64emu_t *emu, rex_t rex);
int Run6664(x64emu_t *emu, rex_t rex);
//int Run67(x64emu_t *emu, rex_t rex);
int RunD8(x64emu_t *emu, rex_t rex);
int RunD9(x64emu_t *emu, rex_t rex);