#ifndef _X86_OPS_MOV_CTRL_H_ #define _X86_OPS_MOV_CTRL_H_ static int opMOV_r_CRx_a16(uint32_t fetchdat) { if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load from CRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_16(fetchdat); switch (cpu_reg) { case 0: cpu_state.regs[cpu_rm].l = cr0; if (is486) cpu_state.regs[cpu_rm].l |= 0x10; /*ET hardwired on 486*/ break; case 2: cpu_state.regs[cpu_rm].l = cr2; break; case 3: cpu_state.regs[cpu_rm].l = cr3; break; case 4: if (cpu_has_feature(CPU_FEATURE_CR4)) { cpu_state.regs[cpu_rm].l = cr4; break; } default: pclog("Bad read of CR%i %i\n", rmdat & 7, cpu_reg); cpu_state.pc = cpu_state.oldpc; x86illegal(); break; } CLOCK_CYCLES(6); PREFETCH_RUN(6, 2, rmdat, 0, 0, 0, 0, 0); return 0; } static int opMOV_r_CRx_a32(uint32_t fetchdat) { if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load from CRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_32(fetchdat); switch (cpu_reg) { case 0: cpu_state.regs[cpu_rm].l = cr0; if (is486) cpu_state.regs[cpu_rm].l |= 0x10; /*ET hardwired on 486*/ break; case 2: cpu_state.regs[cpu_rm].l = cr2; break; case 3: cpu_state.regs[cpu_rm].l = cr3; break; case 4: if (cpu_has_feature(CPU_FEATURE_CR4)) { cpu_state.regs[cpu_rm].l = cr4; break; } default: pclog("Bad read of CR%i %i\n", rmdat & 7, cpu_reg); cpu_state.pc = cpu_state.oldpc; x86illegal(); break; } CLOCK_CYCLES(6); PREFETCH_RUN(6, 2, rmdat, 0, 0, 0, 0, 1); return 0; } static int opMOV_r_DRx_a16(uint32_t fetchdat) { if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load from DRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_16(fetchdat); cpu_state.regs[cpu_rm].l = dr[cpu_reg]; CLOCK_CYCLES(6); PREFETCH_RUN(6, 2, rmdat, 0, 0, 0, 0, 0); return 0; } static int opMOV_r_DRx_a32(uint32_t fetchdat) { if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load from DRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_32(fetchdat); cpu_state.regs[cpu_rm].l = dr[cpu_reg]; CLOCK_CYCLES(6); PREFETCH_RUN(6, 2, rmdat, 0, 0, 0, 0, 1); return 0; } static int opMOV_CRx_r_a16(uint32_t fetchdat) { uint32_t old_cr0 = cr0; if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load CRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_16(fetchdat); switch (cpu_reg) { case 0: if ((cpu_state.regs[cpu_rm].l ^ cr0) & 0x80000001) flushmmucache(); cr0 = cpu_state.regs[cpu_rm].l; if (cpu_16bitbus) cr0 |= 0x10; if (!(cr0 & 0x80000000)) mmu_perm = 4; if (is486 && !(cr0 & (1 << 30))) cpu_cache_int_enabled = 1; else cpu_cache_int_enabled = 0; if (is486 && ((cr0 ^ old_cr0) & (1 << 30))) cpu_update_waitstates(); if (cr0 & 1) cpu_cur_status |= CPU_STATUS_PMODE; else cpu_cur_status &= ~CPU_STATUS_PMODE; break; case 2: cr2 = cpu_state.regs[cpu_rm].l; break; case 3: cr3 = cpu_state.regs[cpu_rm].l; flushmmucache(); break; case 4: if (cpu_has_feature(CPU_FEATURE_CR4)) { cr4 = cpu_state.regs[cpu_rm].l & cpu_CR4_mask; break; } default: pclog("Bad load CR%i\n", cpu_reg); cpu_state.pc = cpu_state.oldpc; x86illegal(); break; } CLOCK_CYCLES(10); PREFETCH_RUN(10, 2, rmdat, 0, 0, 0, 0, 0); return 0; } static int opMOV_CRx_r_a32(uint32_t fetchdat) { uint32_t old_cr0 = cr0; if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load CRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_32(fetchdat); switch (cpu_reg) { case 0: if ((cpu_state.regs[cpu_rm].l ^ cr0) & 0x80000001) flushmmucache(); cr0 = cpu_state.regs[cpu_rm].l; if (cpu_16bitbus) cr0 |= 0x10; if (!(cr0 & 0x80000000)) mmu_perm = 4; if (is486 && !(cr0 & (1 << 30))) cpu_cache_int_enabled = 1; else cpu_cache_int_enabled = 0; if (is486 && ((cr0 ^ old_cr0) & (1 << 30))) cpu_update_waitstates(); if (cr0 & 1) cpu_cur_status |= CPU_STATUS_PMODE; else cpu_cur_status &= ~CPU_STATUS_PMODE; break; case 2: cr2 = cpu_state.regs[cpu_rm].l; break; case 3: cr3 = cpu_state.regs[cpu_rm].l; flushmmucache(); break; case 4: if (cpu_has_feature(CPU_FEATURE_CR4)) { cr4 = cpu_state.regs[cpu_rm].l & cpu_CR4_mask; break; } default: pclog("Bad load CR%i\n", cpu_reg); cpu_state.pc = cpu_state.oldpc; x86illegal(); break; } CLOCK_CYCLES(10); PREFETCH_RUN(10, 2, rmdat, 0, 0, 0, 0, 1); return 0; } static int opMOV_DRx_r_a16(uint32_t fetchdat) { if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load DRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_16(fetchdat); dr[cpu_reg] = cpu_state.regs[cpu_rm].l; CLOCK_CYCLES(6); PREFETCH_RUN(6, 2, rmdat, 0, 0, 0, 0, 0); return 0; } static int opMOV_DRx_r_a32(uint32_t fetchdat) { if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load DRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_16(fetchdat); dr[cpu_reg] = cpu_state.regs[cpu_rm].l; CLOCK_CYCLES(6); PREFETCH_RUN(6, 2, rmdat, 0, 0, 0, 0, 1); return 0; } static int opMOV_r_TRx_a16(uint32_t fetchdat) { if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load from TRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_16(fetchdat); cpu_state.regs[cpu_rm].l = 0; CLOCK_CYCLES(6); PREFETCH_RUN(6, 2, rmdat, 0, 0, 0, 0, 0); return 0; } static int opMOV_r_TRx_a32(uint32_t fetchdat) { if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load from TRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_32(fetchdat); cpu_state.regs[cpu_rm].l = 0; CLOCK_CYCLES(6); PREFETCH_RUN(6, 2, rmdat, 0, 0, 0, 0, 1); return 0; } static int opMOV_TRx_r_a16(uint32_t fetchdat) { if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load TRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_16(fetchdat); CLOCK_CYCLES(6); PREFETCH_RUN(6, 2, rmdat, 0, 0, 0, 0, 0); return 0; } static int opMOV_TRx_r_a32(uint32_t fetchdat) { if ((CPL || (cpu_state.eflags & VM_FLAG)) && (cr0 & 1)) { pclog("Can't load TRx\n"); x86gpf(NULL, 0); return 1; } fetch_ea_16(fetchdat); CLOCK_CYCLES(6); PREFETCH_RUN(6, 2, rmdat, 0, 0, 0, 0, 1); return 0; } #endif /* _X86_OPS_MOV_CTRL_H_ */