*
* Copyright (c) 2003 Fabrice Bellard
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "exec-i386.h"
return x >> (-n);
}
-/* exception support */
-/* NOTE: not static to force relocation generation by GCC */
-void raise_exception(int exception_index)
-{
- env->exception_index = exception_index;
- longjmp(env->jmp_env, 1);
-}
-
/* we define the various pieces of code used by the JIT */
#define REG EAX
#undef REG
#undef REGNAME
-/* operations */
+/* operations with flags */
void OPPROTO op_addl_T0_T1_cc(void)
{
CC_DST = T0 - T1;
}
-void OPPROTO op_notl_T0(void)
-{
- T0 = ~T0;
-}
-
void OPPROTO op_negl_T0_cc(void)
{
CC_SRC = 0;
CC_DST = T0 & T1;
}
+/* operations without flags */
+
+void OPPROTO op_addl_T0_T1(void)
+{
+ T0 += T1;
+}
+
+void OPPROTO op_orl_T0_T1(void)
+{
+ T0 |= T1;
+}
+
+void OPPROTO op_andl_T0_T1(void)
+{
+ T0 &= T1;
+}
+
+void OPPROTO op_subl_T0_T1(void)
+{
+ T0 -= T1;
+}
+
+void OPPROTO op_xorl_T0_T1(void)
+{
+ T0 ^= T1;
+}
+
+void OPPROTO op_negl_T0(void)
+{
+ T0 = -T0;
+}
+
+void OPPROTO op_incl_T0(void)
+{
+ T0++;
+}
+
+void OPPROTO op_decl_T0(void)
+{
+ T0--;
+}
+
+void OPPROTO op_notl_T0(void)
+{
+ T0 = ~T0;
+}
+
void OPPROTO op_bswapl_T0(void)
{
T0 = bswap32(T0);
}
/* division, flags are undefined */
-/* XXX: add exceptions for overflow & div by zero */
+/* XXX: add exceptions for overflow */
void OPPROTO op_divb_AL_T0(void)
{
unsigned int num, den, q, r;
num = (EAX & 0xffff);
den = (T0 & 0xff);
+ if (den == 0)
+ raise_exception(EXCP00_DIVZ);
q = (num / den) & 0xff;
r = (num % den) & 0xff;
EAX = (EAX & 0xffff0000) | (r << 8) | q;
num = (int16_t)EAX;
den = (int8_t)T0;
+ if (den == 0)
+ raise_exception(EXCP00_DIVZ);
q = (num / den) & 0xff;
r = (num % den) & 0xff;
EAX = (EAX & 0xffff0000) | (r << 8) | q;
num = (EAX & 0xffff) | ((EDX & 0xffff) << 16);
den = (T0 & 0xffff);
+ if (den == 0)
+ raise_exception(EXCP00_DIVZ);
q = (num / den) & 0xffff;
r = (num % den) & 0xffff;
EAX = (EAX & 0xffff0000) | q;
num = (EAX & 0xffff) | ((EDX & 0xffff) << 16);
den = (int16_t)T0;
+ if (den == 0)
+ raise_exception(EXCP00_DIVZ);
q = (num / den) & 0xffff;
r = (num % den) & 0xffff;
EAX = (EAX & 0xffff0000) | q;
num = EAX | ((uint64_t)EDX << 32);
den = T0;
+ if (den == 0)
+ raise_exception(EXCP00_DIVZ);
q = (num / den);
r = (num % den);
EAX = q;
num = EAX | ((uint64_t)EDX << 32);
den = T0;
+ if (den == 0)
+ raise_exception(EXCP00_DIVZ);
q = (num / den);
r = (num % den);
EAX = q;
EDX = r;
}
-/* constant load */
+/* constant load & misc op */
void OPPROTO op_movl_T0_im(void)
{
T0 = PARAM1;
}
+void OPPROTO op_addl_T0_im(void)
+{
+ T0 += PARAM1;
+}
+
+void OPPROTO op_andl_T0_ffff(void)
+{
+ T0 = T0 & 0xffff;
+}
+
+void OPPROTO op_movl_T0_T1(void)
+{
+ T0 = T1;
+}
+
void OPPROTO op_movl_T1_im(void)
{
T1 = PARAM1;
}
+void OPPROTO op_addl_T1_im(void)
+{
+ T1 += PARAM1;
+}
+
+void OPPROTO op_movl_T1_A0(void)
+{
+ T1 = A0;
+}
+
void OPPROTO op_movl_A0_im(void)
{
A0 = PARAM1;
A0 += PARAM1;
}
+void OPPROTO op_addl_A0_AL(void)
+{
+ A0 += (EAX & 0xff);
+}
+
void OPPROTO op_andl_A0_ffff(void)
{
A0 = A0 & 0xffff;
void OPPROTO op_jmp_T0(void)
{
- PC = T0;
+ EIP = T0;
}
void OPPROTO op_jmp_im(void)
{
- PC = PARAM1;
+ EIP = PARAM1;
}
void OPPROTO op_int_im(void)
{
- PC = PARAM1;
+ EIP = PARAM1;
raise_exception(EXCP0D_GPF);
}
void OPPROTO op_int3(void)
{
- PC = PARAM1;
+ EIP = PARAM1;
raise_exception(EXCP03_INT3);
}
int eflags;
eflags = cc_table[CC_OP].compute_all();
if (eflags & CC_O) {
- PC = PARAM1;
raise_exception(EXCP04_INTO);
+ }
+}
+
+/* XXX: add IOPL/CPL tests */
+void OPPROTO op_cli(void)
+{
+ raise_exception(EXCP0D_GPF);
+}
+
+/* XXX: add IOPL/CPL tests */
+void OPPROTO op_sti(void)
+{
+ raise_exception(EXCP0D_GPF);
+}
+
+/* vm86plus instructions */
+
+void OPPROTO op_cli_vm(void)
+{
+ env->eflags &= ~VIF_MASK;
+}
+
+void OPPROTO op_sti_vm(void)
+{
+ env->eflags |= VIF_MASK;
+ if (env->eflags & VIP_MASK) {
+ EIP = PARAM1;
+ raise_exception(EXCP0D_GPF);
+ }
+ FORCE_RET();
+}
+
+void OPPROTO op_boundw(void)
+{
+ int low, high, v;
+ low = ldsw((uint8_t *)A0);
+ high = ldsw((uint8_t *)A0 + 2);
+ v = (int16_t)T0;
+ if (v < low || v > high)
+ raise_exception(EXCP05_BOUND);
+ FORCE_RET();
+}
+
+void OPPROTO op_boundl(void)
+{
+ int low, high, v;
+ low = ldl((uint8_t *)A0);
+ high = ldl((uint8_t *)A0 + 4);
+ v = T0;
+ if (v < low || v > high)
+ raise_exception(EXCP05_BOUND);
+ FORCE_RET();
+}
+
+void OPPROTO op_cmpxchg8b(void)
+{
+ uint64_t d;
+ int eflags;
+
+ eflags = cc_table[CC_OP].compute_all();
+ d = ldq((uint8_t *)A0);
+ if (d == (((uint64_t)EDX << 32) | EAX)) {
+ stq((uint8_t *)A0, ((uint64_t)ECX << 32) | EBX);
+ eflags |= CC_Z;
} else {
- PC = PARAM2;
+ EDX = d >> 32;
+ EAX = d;
+ eflags &= ~CC_Z;
}
+ CC_SRC = eflags;
+ FORCE_RET();
}
/* string ops */
}
/* push/pop */
-/* XXX: add 16 bit operand/16 bit seg variants */
void op_pushl_T0(void)
{
ESP = offset;
}
-void op_pushl_T1(void)
+void op_pushw_T0(void)
+{
+ uint32_t offset;
+ offset = ESP - 2;
+ stw((void *)offset, T0);
+ /* modify ESP after to handle exceptions correctly */
+ ESP = offset;
+}
+
+void op_pushl_ss32_T0(void)
{
uint32_t offset;
offset = ESP - 4;
- stl((void *)offset, T1);
+ stl(env->seg_cache[R_SS].base + offset, T0);
/* modify ESP after to handle exceptions correctly */
ESP = offset;
}
+void op_pushw_ss32_T0(void)
+{
+ uint32_t offset;
+ offset = ESP - 2;
+ stw(env->seg_cache[R_SS].base + offset, T0);
+ /* modify ESP after to handle exceptions correctly */
+ ESP = offset;
+}
+
+void op_pushl_ss16_T0(void)
+{
+ uint32_t offset;
+ offset = (ESP - 4) & 0xffff;
+ stl(env->seg_cache[R_SS].base + offset, T0);
+ /* modify ESP after to handle exceptions correctly */
+ ESP = (ESP & ~0xffff) | offset;
+}
+
+void op_pushw_ss16_T0(void)
+{
+ uint32_t offset;
+ offset = (ESP - 2) & 0xffff;
+ stw(env->seg_cache[R_SS].base + offset, T0);
+ /* modify ESP after to handle exceptions correctly */
+ ESP = (ESP & ~0xffff) | offset;
+}
+
+/* NOTE: ESP update is done after */
void op_popl_T0(void)
{
T0 = ldl((void *)ESP);
+}
+
+void op_popw_T0(void)
+{
+ T0 = lduw((void *)ESP);
+}
+
+void op_popl_ss32_T0(void)
+{
+ T0 = ldl(env->seg_cache[R_SS].base + ESP);
+}
+
+void op_popw_ss32_T0(void)
+{
+ T0 = lduw(env->seg_cache[R_SS].base + ESP);
+}
+
+void op_popl_ss16_T0(void)
+{
+ T0 = ldl(env->seg_cache[R_SS].base + (ESP & 0xffff));
+}
+
+void op_popw_ss16_T0(void)
+{
+ T0 = lduw(env->seg_cache[R_SS].base + (ESP & 0xffff));
+}
+
+void op_addl_ESP_4(void)
+{
ESP += 4;
}
+void op_addl_ESP_2(void)
+{
+ ESP += 2;
+}
+
+void op_addw_ESP_4(void)
+{
+ ESP = (ESP & ~0xffff) | ((ESP + 4) & 0xffff);
+}
+
+void op_addw_ESP_2(void)
+{
+ ESP = (ESP & ~0xffff) | ((ESP + 2) & 0xffff);
+}
+
void op_addl_ESP_im(void)
{
ESP += PARAM1;
}
-void op_pushal(void)
-{
- uint8_t *sp;
- sp = (void *)(ESP - 32);
- stl(sp, EDI);
- stl(sp + 4, ESI);
- stl(sp + 8, EBP);
- stl(sp + 12, ESP);
- stl(sp + 16, EBX);
- stl(sp + 20, EDX);
- stl(sp + 24, ECX);
- stl(sp + 28, EAX);
- ESP = (unsigned long)sp;
-}
-
-void op_pushaw(void)
-{
- uint8_t *sp;
- sp = (void *)(ESP - 16);
- stw(sp, EDI);
- stw(sp + 2, ESI);
- stw(sp + 4, EBP);
- stw(sp + 6, ESP);
- stw(sp + 8, EBX);
- stw(sp + 10, EDX);
- stw(sp + 12, ECX);
- stw(sp + 14, EAX);
- ESP = (unsigned long)sp;
-}
-
-void op_popal(void)
-{
- uint8_t *sp;
- sp = (void *)ESP;
- EDI = ldl(sp);
- ESI = ldl(sp + 4);
- EBP = ldl(sp + 8);
- EBX = ldl(sp + 16);
- EDX = ldl(sp + 20);
- ECX = ldl(sp + 24);
- EAX = ldl(sp + 28);
- ESP = (unsigned long)sp + 32;
-}
-
-void op_popaw(void)
-{
- uint8_t *sp;
- sp = (void *)ESP;
- EDI = ldl(sp);
- ESI = ldl(sp + 2);
- EBP = ldl(sp + 4);
- EBX = ldl(sp + 8);
- EDX = ldl(sp + 10);
- ECX = ldl(sp + 12);
- EAX = ldl(sp + 14);
- ESP = (unsigned long)sp + 16;
-}
-
-void op_enterl(void)
-{
- unsigned int bp, frame_temp, level;
- uint8_t *sp;
-
- sp = (void *)ESP;
- bp = EBP;
- sp -= 4;
- stl(sp, bp);
- frame_temp = (unsigned int)sp;
- level = PARAM2;
- if (level) {
- while (level--) {
- bp -= 4;
- sp -= 4;
- stl(sp, bp);
- }
- sp -= 4;
- stl(sp, frame_temp);
- }
- EBP = frame_temp;
- sp -= PARAM1;
- ESP = (int)sp;
+void op_addw_ESP_im(void)
+{
+ ESP = (ESP & ~0xffff) | ((ESP + PARAM1) & 0xffff);
}
/* rdtsc */
#ifndef __i386__
uint64_t emu_time;
#endif
-void op_rdtsc(void)
+
+void OPPROTO op_rdtsc(void)
{
uint64_t val;
#ifdef __i386__
EDX = val >> 32;
}
+/* We simulate a pre-MMX pentium as in valgrind */
+#define CPUID_FP87 (1 << 0)
+#define CPUID_VME (1 << 1)
+#define CPUID_DE (1 << 2)
+#define CPUID_PSE (1 << 3)
+#define CPUID_TSC (1 << 4)
+#define CPUID_MSR (1 << 5)
+#define CPUID_PAE (1 << 6)
+#define CPUID_MCE (1 << 7)
+#define CPUID_CX8 (1 << 8)
+#define CPUID_APIC (1 << 9)
+#define CPUID_SEP (1 << 11) /* sysenter/sysexit */
+#define CPUID_MTRR (1 << 12)
+#define CPUID_PGE (1 << 13)
+#define CPUID_MCA (1 << 14)
+#define CPUID_CMOV (1 << 15)
+/* ... */
+#define CPUID_MMX (1 << 23)
+#define CPUID_FXSR (1 << 24)
+#define CPUID_SSE (1 << 25)
+#define CPUID_SSE2 (1 << 26)
+
+void helper_cpuid(void)
+{
+ if (EAX == 0) {
+ EAX = 1; /* max EAX index supported */
+ EBX = 0x756e6547;
+ ECX = 0x6c65746e;
+ EDX = 0x49656e69;
+ } else {
+ /* EAX = 1 info */
+ EAX = 0x52b;
+ EBX = 0;
+ ECX = 0;
+ EDX = CPUID_FP87 | CPUID_VME | CPUID_DE | CPUID_PSE |
+ CPUID_TSC | CPUID_MSR | CPUID_MCE |
+ CPUID_CX8;
+ }
+}
+
+void OPPROTO op_cpuid(void)
+{
+ helper_cpuid();
+}
+
/* bcd */
/* XXX: exception */
/* segment handling */
+/* XXX: use static VM86 information */
void load_seg(int seg_reg, int selector)
{
SegmentCache *sc;
env->segs[seg_reg] = selector;
sc = &env->seg_cache[seg_reg];
- if (env->vm86) {
+ if (env->eflags & VM_MASK) {
sc->base = (void *)(selector << 4);
sc->limit = 0xffff;
sc->seg_32bit = 0;
T0 = env->segs[PARAM1];
}
+void OPPROTO op_movl_A0_seg(void)
+{
+ A0 = *(unsigned long *)((char *)env + PARAM1);
+}
+
void OPPROTO op_addl_A0_seg(void)
{
A0 += *(unsigned long *)((char *)env + PARAM1);
int eflags;
eflags = cc_table[CC_OP].compute_all();
if (eflags & CC_O)
- PC = PARAM1;
+ EIP = PARAM1;
else
- PC = PARAM2;
+ EIP = PARAM2;
FORCE_RET();
}
void OPPROTO op_jb_cc(void)
{
if (cc_table[CC_OP].compute_c())
- PC = PARAM1;
+ EIP = PARAM1;
else
- PC = PARAM2;
+ EIP = PARAM2;
FORCE_RET();
}
int eflags;
eflags = cc_table[CC_OP].compute_all();
if (eflags & CC_Z)
- PC = PARAM1;
+ EIP = PARAM1;
else
- PC = PARAM2;
+ EIP = PARAM2;
FORCE_RET();
}
int eflags;
eflags = cc_table[CC_OP].compute_all();
if (eflags & (CC_Z | CC_C))
- PC = PARAM1;
+ EIP = PARAM1;
else
- PC = PARAM2;
+ EIP = PARAM2;
FORCE_RET();
}
int eflags;
eflags = cc_table[CC_OP].compute_all();
if (eflags & CC_S)
- PC = PARAM1;
+ EIP = PARAM1;
else
- PC = PARAM2;
+ EIP = PARAM2;
FORCE_RET();
}
int eflags;
eflags = cc_table[CC_OP].compute_all();
if (eflags & CC_P)
- PC = PARAM1;
+ EIP = PARAM1;
else
- PC = PARAM2;
+ EIP = PARAM2;
FORCE_RET();
}
int eflags;
eflags = cc_table[CC_OP].compute_all();
if ((eflags ^ (eflags >> 4)) & 0x80)
- PC = PARAM1;
+ EIP = PARAM1;
else
- PC = PARAM2;
+ EIP = PARAM2;
FORCE_RET();
}
int eflags;
eflags = cc_table[CC_OP].compute_all();
if (((eflags ^ (eflags >> 4)) & 0x80) || (eflags & CC_Z))
- PC = PARAM1;
+ EIP = PARAM1;
else
- PC = PARAM2;
+ EIP = PARAM2;
FORCE_RET();
}
CC_OP = PARAM1;
}
+#define FL_UPDATE_MASK32 (TF_MASK | AC_MASK | ID_MASK)
+#define FL_UPDATE_MASK16 (TF_MASK)
+
void OPPROTO op_movl_eflags_T0(void)
{
- CC_SRC = T0;
- DF = 1 - (2 * ((T0 >> 10) & 1));
+ int eflags;
+ eflags = T0;
+ CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
+ DF = 1 - (2 * ((eflags >> 10) & 1));
+ /* we also update some system flags as in user mode */
+ env->eflags = (env->eflags & ~FL_UPDATE_MASK32) | (eflags & FL_UPDATE_MASK32);
+}
+
+void OPPROTO op_movw_eflags_T0(void)
+{
+ int eflags;
+ eflags = T0;
+ CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
+ DF = 1 - (2 * ((eflags >> 10) & 1));
+ /* we also update some system flags as in user mode */
+ env->eflags = (env->eflags & ~FL_UPDATE_MASK16) | (eflags & FL_UPDATE_MASK16);
+}
+
+/* vm86 version */
+void OPPROTO op_movw_eflags_T0_vm(void)
+{
+ int eflags;
+ eflags = T0;
+ CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
+ DF = 1 - (2 * ((eflags >> 10) & 1));
+ /* we also update some system flags as in user mode */
+ env->eflags = (env->eflags & ~(FL_UPDATE_MASK16 | VIF_MASK)) |
+ (eflags & FL_UPDATE_MASK16);
+ if (eflags & IF_MASK) {
+ env->eflags |= VIF_MASK;
+ if (env->eflags & VIP_MASK) {
+ EIP = PARAM1;
+ raise_exception(EXCP0D_GPF);
+ }
+ }
+ FORCE_RET();
+}
+
+void OPPROTO op_movl_eflags_T0_vm(void)
+{
+ int eflags;
+ eflags = T0;
+ CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
+ DF = 1 - (2 * ((eflags >> 10) & 1));
+ /* we also update some system flags as in user mode */
+ env->eflags = (env->eflags & ~(FL_UPDATE_MASK32 | VIF_MASK)) |
+ (eflags & FL_UPDATE_MASK32);
+ if (eflags & IF_MASK) {
+ env->eflags |= VIF_MASK;
+ if (env->eflags & VIP_MASK) {
+ EIP = PARAM1;
+ raise_exception(EXCP0D_GPF);
+ }
+ }
+ FORCE_RET();
}
/* XXX: compute only O flag */
{
int of;
of = cc_table[CC_OP].compute_all() & CC_O;
- CC_SRC = T0 | of;
+ CC_SRC = (T0 & (CC_S | CC_Z | CC_A | CC_P | CC_C)) | of;
}
void OPPROTO op_movl_T0_eflags(void)
{
- T0 = cc_table[CC_OP].compute_all();
- T0 |= (DF & DIRECTION_FLAG);
+ int eflags;
+ eflags = cc_table[CC_OP].compute_all();
+ eflags |= (DF & DF_MASK);
+ eflags |= env->eflags & ~(VM_MASK | RF_MASK);
+ T0 = eflags;
+}
+
+/* vm86 version */
+void OPPROTO op_movl_T0_eflags_vm(void)
+{
+ int eflags;
+ eflags = cc_table[CC_OP].compute_all();
+ eflags |= (DF & DF_MASK);
+ eflags |= env->eflags & ~(VM_MASK | RF_MASK | IF_MASK);
+ if (env->eflags & VIF_MASK)
+ eflags |= IF_MASK;
+ T0 = eflags;
}
void OPPROTO op_cld(void)
[CC_OP_SARL] = { compute_all_sarl, compute_c_shll },
};
-/* floating point support */
+/* floating point support. Some of the code for complicated x87
+ functions comes from the LGPL'ed x86 emulator found in the Willows
+ TWIN windows emulator. */
#ifdef USE_X86LDOUBLE
/* use long double functions */
FT0 = ldfq((void *)A0);
}
+/* helpers are needed to avoid static constant reference. XXX: find a better way */
+#ifdef USE_INT_TO_FLOAT_HELPERS
+
+void helper_fild_FT0_A0(void)
+{
+ FT0 = (CPU86_LDouble)ldsw((void *)A0);
+}
+
+void helper_fildl_FT0_A0(void)
+{
+ FT0 = (CPU86_LDouble)((int32_t)ldl((void *)A0));
+}
+
+void helper_fildll_FT0_A0(void)
+{
+ FT0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
+}
+
+void OPPROTO op_fild_FT0_A0(void)
+{
+ helper_fild_FT0_A0();
+}
+
+void OPPROTO op_fildl_FT0_A0(void)
+{
+ helper_fildl_FT0_A0();
+}
+
+void OPPROTO op_fildll_FT0_A0(void)
+{
+ helper_fildll_FT0_A0();
+}
+
+#else
+
void OPPROTO op_fild_FT0_A0(void)
{
FT0 = (CPU86_LDouble)ldsw((void *)A0);
{
FT0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
}
+#endif
/* fp load ST0 */
}
#endif
+/* helpers are needed to avoid static constant reference. XXX: find a better way */
+#ifdef USE_INT_TO_FLOAT_HELPERS
+
+void helper_fild_ST0_A0(void)
+{
+ ST0 = (CPU86_LDouble)ldsw((void *)A0);
+}
+
+void helper_fildl_ST0_A0(void)
+{
+ ST0 = (CPU86_LDouble)((int32_t)ldl((void *)A0));
+}
+
+void helper_fildll_ST0_A0(void)
+{
+ ST0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
+}
+
+void OPPROTO op_fild_ST0_A0(void)
+{
+ helper_fild_ST0_A0();
+}
+
+void OPPROTO op_fildl_ST0_A0(void)
+{
+ helper_fildl_ST0_A0();
+}
+
+void OPPROTO op_fildll_ST0_A0(void)
+{
+ helper_fildll_ST0_A0();
+}
+
+#else
+
void OPPROTO op_fild_ST0_A0(void)
{
ST0 = (CPU86_LDouble)ldsw((void *)A0);
ST0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
}
+#endif
+
/* fp store */
void OPPROTO op_fsts_ST0_A0(void)
env->fptags[6] = 1;
env->fptags[7] = 1;
}
+
+/* threading support */
+void OPPROTO op_lock(void)
+{
+ cpu_lock();
+}
+
+void OPPROTO op_unlock(void)
+{
+ cpu_unlock();
+}
projects / qemu / blobdiff