static int opMOV_r_CRx_a16(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load from CRx\n"); x86gpf(NULL, 0); return 0; } fetch_ea_16(fetchdat); switch (reg) { case 0: regs[rm].l = cr0; if (is486) regs[rm].l |= 0x10; /*ET hardwired on 486*/ break; case 2: regs[rm].l = cr2; break; case 3: regs[rm].l = cr3; break; default: pclog("Bad read of CR%i %i\n",rmdat&7,reg); pc = oldpc; x86illegal(); break; } cycles -= 6; return 0; } static int opMOV_r_CRx_a32(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load from CRx\n"); x86gpf(NULL, 0); return 0; } fetch_ea_32(fetchdat); switch (reg) { case 0: regs[rm].l = cr0; if (is486) regs[rm].l |= 0x10; /*ET hardwired on 486*/ break; case 2: regs[rm].l = cr2; break; case 3: regs[rm].l = cr3; break; default: pclog("Bad read of CR%i %i\n",rmdat&7,reg); pc = oldpc; x86illegal(); break; } cycles -= 6; return 0; } static int opMOV_r_DRx_a16(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load from DRx\n"); x86gpf(NULL, 0); return 0; } fetch_ea_16(fetchdat); regs[rm].l = 0; cycles -= 6; return 0; } static int opMOV_r_DRx_a32(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load from DRx\n"); x86gpf(NULL, 0); return 0; } fetch_ea_32(fetchdat); regs[rm].l = 0; cycles -= 6; return 0; } static int opMOV_CRx_r_a16(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load CRx\n"); x86gpf(NULL,0); return 0; } fetch_ea_16(fetchdat); switch (reg) { case 0: if ((regs[rm].l ^ cr0) & 0x80000001) flushmmucache(); cr0 = regs[rm].l; if (cpu_16bitbus) cr0 |= 0x10; if (!(cr0 & 0x80000000)) mmu_perm=4; break; case 2: cr2 = regs[rm].l; break; case 3: cr3 = regs[rm].l; flushmmucache(); break; default: pclog("Bad load CR%i\n", reg); pc = oldpc; x86illegal(); break; } cycles -= 10; return 0; } static int opMOV_CRx_r_a32(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load CRx\n"); x86gpf(NULL,0); return 0; } fetch_ea_32(fetchdat); switch (reg) { case 0: if ((regs[rm].l ^ cr0) & 0x80000001) flushmmucache(); cr0 = regs[rm].l; if (cpu_16bitbus) cr0 |= 0x10; if (!(cr0 & 0x80000000)) mmu_perm=4; break; case 2: cr2 = regs[rm].l; break; case 3: cr3 = regs[rm].l; flushmmucache(); break; default: pclog("Bad load CR%i\n", reg); pc = oldpc; x86illegal(); break; } cycles -= 10; return 0; } static int opMOV_DRx_r_a16(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load DRx\n"); x86gpf(NULL, 0); return 0; } fetch_ea_16(fetchdat); cycles -= 6; return 0; } static int opMOV_DRx_r_a32(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load DRx\n"); x86gpf(NULL, 0); return 0; } fetch_ea_16(fetchdat); cycles -= 6; return 0; } static int opMOV_r_TRx_a16(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load from TRx\n"); x86gpf(NULL, 0); return 0; } fetch_ea_16(fetchdat); regs[rm].l = 0; cycles -= 6; return 0; } static int opMOV_r_TRx_a32(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load from TRx\n"); x86gpf(NULL, 0); return 0; } fetch_ea_32(fetchdat); regs[rm].l = 0; cycles -= 6; return 0; } static int opMOV_TRx_r_a16(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load TRx\n"); x86gpf(NULL, 0); return 0; } fetch_ea_16(fetchdat); cycles -= 6; return 0; } static int opMOV_TRx_r_a32(uint32_t fetchdat) { if ((CPL || (eflags&VM_FLAG)) && (cr0&1)) { pclog("Can't load TRx\n"); x86gpf(NULL, 0); return 0; } fetch_ea_16(fetchdat); cycles -= 6; return 0; }