diff options
Diffstat (limited to 'target-i386/op.c')
| -rw-r--r-- | target-i386/op.c | 442 |
1 files changed, 11 insertions, 431 deletions
diff --git a/target-i386/op.c b/target-i386/op.c index e184a8d..69f3aae 100644 --- a/target-i386/op.c +++ b/target-i386/op.c @@ -290,90 +290,6 @@ void OPPROTO op_imulq_T0_T1(void) } #endif -/* division, flags are undefined */ - -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); - if (q > 0xff) - raise_exception(EXCP00_DIVZ); - q &= 0xff; - r = (num % den) & 0xff; - EAX = (EAX & ~0xffff) | (r << 8) | q; -} - -void OPPROTO op_idivb_AL_T0(void) -{ - int num, den, q, r; - - num = (int16_t)EAX; - den = (int8_t)T0; - if (den == 0) { - raise_exception(EXCP00_DIVZ); - } - q = (num / den); - if (q != (int8_t)q) - raise_exception(EXCP00_DIVZ); - q &= 0xff; - r = (num % den) & 0xff; - EAX = (EAX & ~0xffff) | (r << 8) | q; -} - -void OPPROTO op_divw_AX_T0(void) -{ - unsigned int num, den, q, r; - - num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); - den = (T0 & 0xffff); - if (den == 0) { - raise_exception(EXCP00_DIVZ); - } - q = (num / den); - if (q > 0xffff) - raise_exception(EXCP00_DIVZ); - q &= 0xffff; - r = (num % den) & 0xffff; - EAX = (EAX & ~0xffff) | q; - EDX = (EDX & ~0xffff) | r; -} - -void OPPROTO op_idivw_AX_T0(void) -{ - int num, den, q, r; - - num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); - den = (int16_t)T0; - if (den == 0) { - raise_exception(EXCP00_DIVZ); - } - q = (num / den); - if (q != (int16_t)q) - raise_exception(EXCP00_DIVZ); - q &= 0xffff; - r = (num % den) & 0xffff; - EAX = (EAX & ~0xffff) | q; - EDX = (EDX & ~0xffff) | r; -} - -#ifdef TARGET_X86_64 -void OPPROTO op_divq_EAX_T0(void) -{ - helper_divq_EAX_T0(); -} - -void OPPROTO op_idivq_EAX_T0(void) -{ - helper_idivq_EAX_T0(); -} -#endif - /* constant load & misc op */ /* XXX: consistent names */ @@ -423,42 +339,6 @@ void OPPROTO op_addq_A0_AL(void) #endif -void OPPROTO op_hlt(void) -{ - helper_hlt(); -} - -void OPPROTO op_monitor(void) -{ - helper_monitor(); -} - -void OPPROTO op_mwait(void) -{ - helper_mwait(); -} - -void OPPROTO op_debug(void) -{ - env->exception_index = EXCP_DEBUG; - cpu_loop_exit(); -} - -void OPPROTO op_raise_interrupt(void) -{ - int intno, next_eip_addend; - intno = PARAM1; - next_eip_addend = PARAM2; - raise_interrupt(intno, 1, 0, next_eip_addend); -} - -void OPPROTO op_raise_exception(void) -{ - int exception_index; - exception_index = PARAM1; - raise_exception(exception_index); -} - void OPPROTO op_into(void) { int eflags; @@ -469,83 +349,11 @@ void OPPROTO op_into(void) FORCE_RET(); } -void OPPROTO op_cli(void) -{ - env->eflags &= ~IF_MASK; -} - -void OPPROTO op_sti(void) -{ - env->eflags |= IF_MASK; -} - -void OPPROTO op_set_inhibit_irq(void) -{ - env->hflags |= HF_INHIBIT_IRQ_MASK; -} - -void OPPROTO op_reset_inhibit_irq(void) -{ - env->hflags &= ~HF_INHIBIT_IRQ_MASK; -} - -void OPPROTO op_rsm(void) -{ - helper_rsm(); -} - -#if 0 -/* 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(); -} -#endif - -void OPPROTO op_boundw(void) -{ - int low, high, v; - low = ldsw(A0); - high = ldsw(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(A0); - high = ldl(A0 + 4); - v = T0; - if (v < low || v > high) { - raise_exception(EXCP05_BOUND); - } - FORCE_RET(); -} - void OPPROTO op_cmpxchg8b(void) { helper_cmpxchg8b(); } -void OPPROTO op_single_step(void) -{ - helper_single_step(); -} - /* multiple size ops */ #define ldul ldl @@ -680,197 +488,36 @@ void OPPROTO op_decq_ECX(void) } #endif -void OPPROTO op_rdtsc(void) -{ - helper_rdtsc(); -} - -void OPPROTO op_rdpmc(void) -{ - helper_rdpmc(); -} - -void OPPROTO op_cpuid(void) -{ - helper_cpuid(); -} - -void OPPROTO op_enter_level(void) -{ - helper_enter_level(PARAM1, PARAM2); -} - -#ifdef TARGET_X86_64 -void OPPROTO op_enter64_level(void) -{ - helper_enter64_level(PARAM1, PARAM2); -} -#endif - -void OPPROTO op_sysenter(void) -{ - helper_sysenter(); -} - -void OPPROTO op_sysexit(void) -{ - helper_sysexit(); -} - -#ifdef TARGET_X86_64 -void OPPROTO op_syscall(void) -{ - helper_syscall(PARAM1); -} - -void OPPROTO op_sysret(void) -{ - helper_sysret(PARAM1); -} -#endif - -void OPPROTO op_rdmsr(void) -{ - helper_rdmsr(); -} - -void OPPROTO op_wrmsr(void) -{ - helper_wrmsr(); -} - /* bcd */ -/* XXX: exception */ void OPPROTO op_aam(void) { - int base = PARAM1; - int al, ah; - al = EAX & 0xff; - ah = al / base; - al = al % base; - EAX = (EAX & ~0xffff) | al | (ah << 8); - CC_DST = al; + helper_aam(PARAM1); } void OPPROTO op_aad(void) { - int base = PARAM1; - int al, ah; - al = EAX & 0xff; - ah = (EAX >> 8) & 0xff; - al = ((ah * base) + al) & 0xff; - EAX = (EAX & ~0xffff) | al; - CC_DST = al; + helper_aad(PARAM1); } void OPPROTO op_aaa(void) { - int icarry; - int al, ah, af; - int eflags; - - eflags = cc_table[CC_OP].compute_all(); - af = eflags & CC_A; - al = EAX & 0xff; - ah = (EAX >> 8) & 0xff; - - icarry = (al > 0xf9); - if (((al & 0x0f) > 9 ) || af) { - al = (al + 6) & 0x0f; - ah = (ah + 1 + icarry) & 0xff; - eflags |= CC_C | CC_A; - } else { - eflags &= ~(CC_C | CC_A); - al &= 0x0f; - } - EAX = (EAX & ~0xffff) | al | (ah << 8); - CC_SRC = eflags; - FORCE_RET(); + helper_aaa(); } void OPPROTO op_aas(void) { - int icarry; - int al, ah, af; - int eflags; - - eflags = cc_table[CC_OP].compute_all(); - af = eflags & CC_A; - al = EAX & 0xff; - ah = (EAX >> 8) & 0xff; - - icarry = (al < 6); - if (((al & 0x0f) > 9 ) || af) { - al = (al - 6) & 0x0f; - ah = (ah - 1 - icarry) & 0xff; - eflags |= CC_C | CC_A; - } else { - eflags &= ~(CC_C | CC_A); - al &= 0x0f; - } - EAX = (EAX & ~0xffff) | al | (ah << 8); - CC_SRC = eflags; - FORCE_RET(); + helper_aas(); } void OPPROTO op_daa(void) { - int al, af, cf; - int eflags; - - eflags = cc_table[CC_OP].compute_all(); - cf = eflags & CC_C; - af = eflags & CC_A; - al = EAX & 0xff; - - eflags = 0; - if (((al & 0x0f) > 9 ) || af) { - al = (al + 6) & 0xff; - eflags |= CC_A; - } - if ((al > 0x9f) || cf) { - al = (al + 0x60) & 0xff; - eflags |= CC_C; - } - EAX = (EAX & ~0xff) | al; - /* well, speed is not an issue here, so we compute the flags by hand */ - eflags |= (al == 0) << 6; /* zf */ - eflags |= parity_table[al]; /* pf */ - eflags |= (al & 0x80); /* sf */ - CC_SRC = eflags; - FORCE_RET(); + helper_daa(); } void OPPROTO op_das(void) { - int al, al1, af, cf; - int eflags; - - eflags = cc_table[CC_OP].compute_all(); - cf = eflags & CC_C; - af = eflags & CC_A; - al = EAX & 0xff; - - eflags = 0; - al1 = al; - if (((al & 0x0f) > 9 ) || af) { - eflags |= CC_A; - if (al < 6 || cf) - eflags |= CC_C; - al = (al - 6) & 0xff; - } - if ((al1 > 0x99) || cf) { - al = (al - 0x60) & 0xff; - eflags |= CC_C; - } - EAX = (EAX & ~0xff) | al; - /* well, speed is not an issue here, so we compute the flags by hand */ - eflags |= (al == 0) << 6; /* zf */ - eflags |= parity_table[al]; /* pf */ - eflags |= (al & 0x80); /* sf */ - CC_SRC = eflags; - FORCE_RET(); + helper_das(); } /* segment handling */ @@ -878,7 +525,7 @@ void OPPROTO op_das(void) /* never use it with R_CS */ void OPPROTO op_movl_seg_T0(void) { - load_seg(PARAM1, T0); + helper_load_seg(PARAM1, T0); } /* faster VM86 version */ @@ -901,22 +548,22 @@ void OPPROTO op_movl_T0_seg(void) void OPPROTO op_lsl(void) { - helper_lsl(); + helper_lsl(T0); } void OPPROTO op_lar(void) { - helper_lar(); + helper_lar(T0); } void OPPROTO op_verr(void) { - helper_verr(); + helper_verr(T0); } void OPPROTO op_verw(void) { - helper_verw(); + helper_verw(T0); } void OPPROTO op_arpl(void) @@ -969,16 +616,6 @@ void OPPROTO op_lret_protected(void) helper_lret_protected(PARAM1, PARAM2); } -void OPPROTO op_lldt_T0(void) -{ - helper_lldt_T0(); -} - -void OPPROTO op_ltr_T0(void) -{ - helper_ltr_T0(); -} - /* CR registers access. */ void OPPROTO op_movl_crN_T0(void) { @@ -1046,11 +683,6 @@ void OPPROTO op_lmsw_T0(void) helper_movl_crN_T0(0); } -void OPPROTO op_invlpg_A0(void) -{ - helper_invlpg(A0); -} - void OPPROTO op_movl_T0_env(void) { T0 = *(uint32_t *)((char *)env + PARAM1); @@ -1282,16 +914,6 @@ void OPPROTO op_movl_T0_eflags_vm(void) } #endif -void OPPROTO op_cld(void) -{ - DF = 1; -} - -void OPPROTO op_std(void) -{ - DF = -1; -} - void OPPROTO op_clc(void) { int eflags; @@ -1422,45 +1044,3 @@ void OPPROTO op_com_dummy(void) { T0 = 0; } - -/* Secure Virtual Machine ops */ - -void OPPROTO op_vmrun(void) -{ - helper_vmrun(EAX); -} - -void OPPROTO op_vmmcall(void) -{ - helper_vmmcall(); -} - -void OPPROTO op_vmload(void) -{ - helper_vmload(EAX); -} - -void OPPROTO op_vmsave(void) -{ - helper_vmsave(EAX); -} - -void OPPROTO op_stgi(void) -{ - helper_stgi(); -} - -void OPPROTO op_clgi(void) -{ - helper_clgi(); -} - -void OPPROTO op_skinit(void) -{ - helper_skinit(); -} - -void OPPROTO op_invlpga(void) -{ - helper_invlpga(); -} |