Lines Matching refs:vie
293 vie_calc_bytereg(struct vie *vie, enum vm_reg_name *reg, int *lhbr) in vie_calc_bytereg() argument
296 *reg = gpr_map[vie->reg]; in vie_calc_bytereg()
310 if (!vie->rex_present) { in vie_calc_bytereg()
311 if (vie->reg & 0x4) { in vie_calc_bytereg()
313 *reg = gpr_map[vie->reg & 0x3]; in vie_calc_bytereg()
319 vie_read_bytereg(struct vcpu *vcpu, struct vie *vie, uint8_t *rval) in vie_read_bytereg() argument
325 vie_calc_bytereg(vie, ®, &lhbr); in vie_read_bytereg()
340 vie_write_bytereg(struct vcpu *vcpu, struct vie *vie, uint8_t byte) in vie_write_bytereg() argument
346 vie_calc_bytereg(vie, ®, &lhbr); in vie_write_bytereg()
502 emulate_mov(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_mov() argument
510 size = vie->opsize; in emulate_mov()
513 switch (vie->op.op_byte) { in emulate_mov()
521 error = vie_read_bytereg(vcpu, vie, &byte); in emulate_mov()
532 reg = gpr_map[vie->reg]; in emulate_mov()
548 error = vie_write_bytereg(vcpu, vie, val); in emulate_mov()
559 reg = gpr_map[vie->reg]; in emulate_mov()
596 error = memwrite(vcpu, gpa, vie->immediate, size, arg); in emulate_mov()
605 val = vie->immediate & size2mask[size]; in emulate_mov()
616 emulate_movx(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_movx() argument
623 size = vie->opsize; in emulate_movx()
626 switch (vie->op.op_byte) { in emulate_movx()
643 reg = gpr_map[vie->reg]; in emulate_movx()
663 reg = gpr_map[vie->reg]; in emulate_movx()
686 reg = gpr_map[vie->reg]; in emulate_movx()
704 get_gla(struct vcpu *vcpu, struct vie *vie __unused, in get_gla()
757 emulate_movs(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_movs() argument
770 opsize = (vie->op.op_byte == 0xA4) ? 1 : vie->opsize; in emulate_movs()
781 repeat = vie->repz_present | vie->repnz_present; in emulate_movs()
791 if ((rcx & vie_size2mask(vie->addrsize)) == 0) { in emulate_movs()
813 seg = vie->segment_override ? vie->segment_register : VM_REG_GUEST_DS; in emulate_movs()
814 error = get_gla(vcpu, vie, paging, opsize, vie->addrsize, in emulate_movs()
839 error = get_gla(vcpu, vie, paging, opsize, vie->addrsize, in emulate_movs()
913 vie->addrsize); in emulate_movs()
917 vie->addrsize); in emulate_movs()
923 rcx, vie->addrsize); in emulate_movs()
929 if ((rcx & vie_size2mask(vie->addrsize)) != 0) in emulate_movs()
939 emulate_stos(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_stos() argument
947 opsize = (vie->op.op_byte == 0xAA) ? 1 : vie->opsize; in emulate_stos()
948 repeat = vie->repz_present | vie->repnz_present; in emulate_stos()
958 if ((rcx & vie_size2mask(vie->addrsize)) == 0) in emulate_stos()
981 vie->addrsize); in emulate_stos()
987 rcx, vie->addrsize); in emulate_stos()
993 if ((rcx & vie_size2mask(vie->addrsize)) != 0) in emulate_stos()
1001 emulate_and(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_and() argument
1008 size = vie->opsize; in emulate_and()
1011 switch (vie->op.op_byte) { in emulate_and()
1023 reg = gpr_map[vie->reg]; in emulate_and()
1061 result = val1 & vie->immediate; in emulate_and()
1089 emulate_or(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_or() argument
1096 size = vie->opsize; in emulate_or()
1099 switch (vie->op.op_byte) { in emulate_or()
1111 reg = gpr_map[vie->reg]; in emulate_or()
1149 result = val1 | vie->immediate; in emulate_or()
1177 emulate_cmp(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_cmp() argument
1184 size = vie->opsize; in emulate_cmp()
1185 switch (vie->op.op_byte) { in emulate_cmp()
1204 reg = gpr_map[vie->reg]; in emulate_cmp()
1214 if (vie->op.op_byte == 0x3B) { in emulate_cmp()
1245 if (vie->op.op_byte == 0x80) in emulate_cmp()
1253 rflags2 = getcc(size, op1, vie->immediate); in emulate_cmp()
1269 emulate_test(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_test() argument
1275 size = vie->opsize; in emulate_test()
1278 switch (vie->op.op_byte) { in emulate_test()
1296 if ((vie->reg & 7) != 0) in emulate_test()
1303 rflags2 = getandflags(size, op1, vie->immediate); in emulate_test()
1324 emulate_bextr(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_bextr() argument
1332 size = vie->opsize; in emulate_bextr()
1355 error = vie_read_register(vcpu, gpr_map[vie->vex_reg], &src2); in emulate_bextr()
1384 error = vie_update_register(vcpu, gpr_map[vie->reg], dst, size); in emulate_bextr()
1401 emulate_add(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_add() argument
1408 size = vie->opsize; in emulate_add()
1411 switch (vie->op.op_byte) { in emulate_add()
1422 reg = gpr_map[vie->reg]; in emulate_add()
1457 emulate_sub(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_sub() argument
1464 size = vie->opsize; in emulate_sub()
1467 switch (vie->op.op_byte) { in emulate_sub()
1478 reg = gpr_map[vie->reg]; in emulate_sub()
1513 emulate_stack_op(struct vcpu *vcpu, uint64_t mmio_gpa, struct vie *vie, in emulate_stack_op() argument
1527 size = vie->opsize; in emulate_stack_op()
1528 pushop = (vie->op.op_type == VIE_OP_TYPE_PUSH) ? 1 : 0; in emulate_stack_op()
1544 size = vie->opsize_override ? 2 : 8; in emulate_stack_op()
1615 emulate_push(struct vcpu *vcpu, uint64_t mmio_gpa, struct vie *vie, in emulate_push() argument
1627 if ((vie->reg & 7) != 6) in emulate_push()
1630 error = emulate_stack_op(vcpu, mmio_gpa, vie, paging, memread, in emulate_push()
1636 emulate_pop(struct vcpu *vcpu, uint64_t mmio_gpa, struct vie *vie, in emulate_pop() argument
1648 if ((vie->reg & 7) != 0) in emulate_pop()
1651 error = emulate_stack_op(vcpu, mmio_gpa, vie, paging, memread, in emulate_pop()
1657 emulate_group1(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_group1() argument
1663 switch (vie->reg & 7) { in emulate_group1()
1665 error = emulate_or(vcpu, gpa, vie, in emulate_group1()
1669 error = emulate_and(vcpu, gpa, vie, in emulate_group1()
1673 error = emulate_cmp(vcpu, gpa, vie, in emulate_group1()
1685 emulate_bittest(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_bittest() argument
1698 if ((vie->reg & 7) != 4) in emulate_bittest()
1704 error = memread(vcpu, gpa, &val, vie->opsize, memarg); in emulate_bittest()
1712 bitmask = vie->opsize * 8 - 1; in emulate_bittest()
1713 bitoff = vie->immediate & bitmask; in emulate_bittest()
1728 emulate_twob_group15(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in emulate_twob_group15() argument
1735 switch (vie->reg & 7) { in emulate_twob_group15()
1737 if (vie->mod == 0x3) { in emulate_twob_group15()
1760 vmm_emulate_instruction(struct vcpu *vcpu, uint64_t gpa, struct vie *vie, in vmm_emulate_instruction() argument
1766 if (!vie->decoded) in vmm_emulate_instruction()
1769 switch (vie->op.op_type) { in vmm_emulate_instruction()
1771 error = emulate_group1(vcpu, gpa, vie, paging, memread, in vmm_emulate_instruction()
1775 error = emulate_pop(vcpu, gpa, vie, paging, memread, in vmm_emulate_instruction()
1779 error = emulate_push(vcpu, gpa, vie, paging, memread, in vmm_emulate_instruction()
1783 error = emulate_cmp(vcpu, gpa, vie, in vmm_emulate_instruction()
1787 error = emulate_mov(vcpu, gpa, vie, in vmm_emulate_instruction()
1792 error = emulate_movx(vcpu, gpa, vie, in vmm_emulate_instruction()
1796 error = emulate_movs(vcpu, gpa, vie, paging, memread, in vmm_emulate_instruction()
1800 error = emulate_stos(vcpu, gpa, vie, paging, memread, in vmm_emulate_instruction()
1804 error = emulate_and(vcpu, gpa, vie, in vmm_emulate_instruction()
1808 error = emulate_or(vcpu, gpa, vie, in vmm_emulate_instruction()
1812 error = emulate_sub(vcpu, gpa, vie, in vmm_emulate_instruction()
1816 error = emulate_bittest(vcpu, gpa, vie, in vmm_emulate_instruction()
1820 error = emulate_twob_group15(vcpu, gpa, vie, in vmm_emulate_instruction()
1824 error = emulate_add(vcpu, gpa, vie, memread, in vmm_emulate_instruction()
1828 error = emulate_test(vcpu, gpa, vie, in vmm_emulate_instruction()
1832 error = emulate_bextr(vcpu, gpa, vie, paging, in vmm_emulate_instruction()
1997 vie_restart(struct vie *vie) in vie_restart() argument
2000 offsetof(struct vie, inst) < offsetof(struct vie, vie_startzero) && in vie_restart()
2001 offsetof(struct vie, num_valid) < offsetof(struct vie, vie_startzero), in vie_restart()
2004 memset((char *)vie + offsetof(struct vie, vie_startzero), 0, in vie_restart()
2005 sizeof(*vie) - offsetof(struct vie, vie_startzero)); in vie_restart()
2007 vie->base_register = VM_REG_LAST; in vie_restart()
2008 vie->index_register = VM_REG_LAST; in vie_restart()
2009 vie->segment_register = VM_REG_LAST; in vie_restart()
2013 vie_init(struct vie *vie, const char *inst_bytes, int inst_length) in vie_init() argument
2018 vie_restart(vie); in vie_init()
2019 memset(vie->inst, 0, sizeof(vie->inst)); in vie_init()
2021 memcpy(vie->inst, inst_bytes, inst_length); in vie_init()
2022 vie->num_valid = inst_length; in vie_init()
2285 uint64_t rip, int inst_length, struct vie *vie, int *faultptr) in vmm_fetch_instruction() argument
2299 vm_copyin(copyinfo, vie->inst, inst_length); in vmm_fetch_instruction()
2301 vie->num_valid = inst_length; in vmm_fetch_instruction()
2307 vie_peek(struct vie *vie, uint8_t *x) in vie_peek() argument
2310 if (vie->num_processed < vie->num_valid) { in vie_peek()
2311 *x = vie->inst[vie->num_processed]; in vie_peek()
2318 vie_advance(struct vie *vie) in vie_advance() argument
2321 vie->num_processed++; in vie_advance()
2354 decode_prefixes(struct vie *vie, enum vm_cpu_mode cpu_mode, int cs_d) in decode_prefixes() argument
2359 if (vie_peek(vie, &x)) in decode_prefixes()
2363 vie->opsize_override = 1; in decode_prefixes()
2365 vie->addrsize_override = 1; in decode_prefixes()
2367 vie->repz_present = 1; in decode_prefixes()
2369 vie->repnz_present = 1; in decode_prefixes()
2370 else if (segment_override(x, &vie->segment_register)) in decode_prefixes()
2371 vie->segment_override = 1; in decode_prefixes()
2375 vie_advance(vie); in decode_prefixes()
2387 vie->rex_present = 1; in decode_prefixes()
2388 vie->rex_w = x & 0x8 ? 1 : 0; in decode_prefixes()
2389 vie->rex_r = x & 0x4 ? 1 : 0; in decode_prefixes()
2390 vie->rex_x = x & 0x2 ? 1 : 0; in decode_prefixes()
2391 vie->rex_b = x & 0x1 ? 1 : 0; in decode_prefixes()
2392 vie_advance(vie); in decode_prefixes()
2403 vie->vex_present = 1; in decode_prefixes()
2405 vie_advance(vie); in decode_prefixes()
2406 if (vie_peek(vie, &x)) in decode_prefixes()
2413 vie->rex_r = x & 0x80 ? 0 : 1; in decode_prefixes()
2414 vie->rex_x = x & 0x40 ? 0 : 1; in decode_prefixes()
2415 vie->rex_b = x & 0x20 ? 0 : 1; in decode_prefixes()
2433 vie_advance(vie); in decode_prefixes()
2434 if (vie_peek(vie, &x)) in decode_prefixes()
2438 vie->rex_w = x & 0x80 ? 1 : 0; in decode_prefixes()
2440 vie->vex_reg = ((~(unsigned)x & 0x78u) >> 3); in decode_prefixes()
2441 vie->vex_l = !!(x & 0x4); in decode_prefixes()
2442 vie->vex_pp = (x & 0x3); in decode_prefixes()
2445 switch (vie->vex_pp) { in decode_prefixes()
2447 vie->opsize_override = 1; in decode_prefixes()
2450 vie->repz_present = 1; in decode_prefixes()
2453 vie->repnz_present = 1; in decode_prefixes()
2457 vie_advance(vie); in decode_prefixes()
2460 if (vie_peek(vie, &x)) in decode_prefixes()
2463 vie->op = optab[x]; in decode_prefixes()
2464 if (vie->op.op_type == VIE_OP_TYPE_NONE) in decode_prefixes()
2467 vie_advance(vie); in decode_prefixes()
2478 vie->addrsize = vie->addrsize_override ? 4 : 8; in decode_prefixes()
2479 if (vie->rex_w) in decode_prefixes()
2480 vie->opsize = 8; in decode_prefixes()
2481 else if (vie->opsize_override) in decode_prefixes()
2482 vie->opsize = 2; in decode_prefixes()
2484 vie->opsize = 4; in decode_prefixes()
2487 vie->addrsize = vie->addrsize_override ? 2 : 4; in decode_prefixes()
2488 vie->opsize = vie->opsize_override ? 2 : 4; in decode_prefixes()
2491 vie->addrsize = vie->addrsize_override ? 4 : 2; in decode_prefixes()
2492 vie->opsize = vie->opsize_override ? 4 : 2; in decode_prefixes()
2498 decode_two_byte_opcode(struct vie *vie) in decode_two_byte_opcode() argument
2502 if (vie_peek(vie, &x)) in decode_two_byte_opcode()
2505 vie->op = two_byte_opcodes[x]; in decode_two_byte_opcode()
2507 if (vie->op.op_type == VIE_OP_TYPE_NONE) in decode_two_byte_opcode()
2510 vie_advance(vie); in decode_two_byte_opcode()
2515 decode_opcode(struct vie *vie) in decode_opcode() argument
2519 if (vie_peek(vie, &x)) in decode_opcode()
2523 if (vie->op.op_type != VIE_OP_TYPE_NONE) in decode_opcode()
2526 vie->op = one_byte_opcodes[x]; in decode_opcode()
2528 if (vie->op.op_type == VIE_OP_TYPE_NONE) in decode_opcode()
2531 vie_advance(vie); in decode_opcode()
2533 if (vie->op.op_type == VIE_OP_TYPE_TWO_BYTE) in decode_opcode()
2534 return (decode_two_byte_opcode(vie)); in decode_opcode()
2540 decode_modrm(struct vie *vie, enum vm_cpu_mode cpu_mode) in decode_modrm() argument
2544 if (vie->op.op_flags & VIE_OP_F_NO_MODRM) in decode_modrm()
2550 if (vie_peek(vie, &x)) in decode_modrm()
2553 vie->mod = (x >> 6) & 0x3; in decode_modrm()
2554 vie->rm = (x >> 0) & 0x7; in decode_modrm()
2555 vie->reg = (x >> 3) & 0x7; in decode_modrm()
2562 if (vie->mod == VIE_MOD_DIRECT) in decode_modrm()
2565 if ((vie->mod == VIE_MOD_INDIRECT && vie->rm == VIE_RM_DISP32) || in decode_modrm()
2566 (vie->mod != VIE_MOD_DIRECT && vie->rm == VIE_RM_SIB)) { in decode_modrm()
2580 vie->rm |= (vie->rex_b << 3); in decode_modrm()
2583 vie->reg |= (vie->rex_r << 3); in decode_modrm()
2586 if (vie->mod != VIE_MOD_DIRECT && vie->rm == VIE_RM_SIB) in decode_modrm()
2589 vie->base_register = gpr_map[vie->rm]; in decode_modrm()
2591 switch (vie->mod) { in decode_modrm()
2593 vie->disp_bytes = 1; in decode_modrm()
2596 vie->disp_bytes = 4; in decode_modrm()
2599 if (vie->rm == VIE_RM_DISP32) { in decode_modrm()
2600 vie->disp_bytes = 4; in decode_modrm()
2609 vie->base_register = VM_REG_GUEST_RIP; in decode_modrm()
2611 vie->base_register = VM_REG_LAST; in decode_modrm()
2617 vie_advance(vie); in decode_modrm()
2623 decode_sib(struct vie *vie) in decode_sib() argument
2628 if (vie->mod == VIE_MOD_DIRECT || vie->rm != VIE_RM_SIB) in decode_sib()
2631 if (vie_peek(vie, &x)) in decode_sib()
2635 vie->ss = (x >> 6) & 0x3; in decode_sib()
2636 vie->index = (x >> 3) & 0x7; in decode_sib()
2637 vie->base = (x >> 0) & 0x7; in decode_sib()
2640 vie->index |= vie->rex_x << 3; in decode_sib()
2641 vie->base |= vie->rex_b << 3; in decode_sib()
2643 switch (vie->mod) { in decode_sib()
2645 vie->disp_bytes = 1; in decode_sib()
2648 vie->disp_bytes = 4; in decode_sib()
2652 if (vie->mod == VIE_MOD_INDIRECT && in decode_sib()
2653 (vie->base == 5 || vie->base == 13)) { in decode_sib()
2662 vie->disp_bytes = 4; in decode_sib()
2664 vie->base_register = gpr_map[vie->base]; in decode_sib()
2674 if (vie->index != 4) in decode_sib()
2675 vie->index_register = gpr_map[vie->index]; in decode_sib()
2678 if (vie->index_register < VM_REG_LAST) in decode_sib()
2679 vie->scale = 1 << vie->ss; in decode_sib()
2681 vie_advance(vie); in decode_sib()
2687 decode_displacement(struct vie *vie) in decode_displacement() argument
2698 if ((n = vie->disp_bytes) == 0) in decode_displacement()
2705 if (vie_peek(vie, &x)) in decode_displacement()
2709 vie_advance(vie); in decode_displacement()
2713 vie->displacement = u.signed8; /* sign-extended */ in decode_displacement()
2715 vie->displacement = u.signed32; /* sign-extended */ in decode_displacement()
2721 decode_immediate(struct vie *vie) in decode_immediate() argument
2733 if (vie->op.op_flags & VIE_OP_F_IMM) { in decode_immediate()
2741 if (vie->opsize == 4 || vie->opsize == 8) in decode_immediate()
2742 vie->imm_bytes = 4; in decode_immediate()
2744 vie->imm_bytes = 2; in decode_immediate()
2745 } else if (vie->op.op_flags & VIE_OP_F_IMM8) { in decode_immediate()
2746 vie->imm_bytes = 1; in decode_immediate()
2749 if ((n = vie->imm_bytes) == 0) in decode_immediate()
2756 if (vie_peek(vie, &x)) in decode_immediate()
2760 vie_advance(vie); in decode_immediate()
2765 vie->immediate = u.signed8; in decode_immediate()
2767 vie->immediate = u.signed16; in decode_immediate()
2769 vie->immediate = u.signed32; in decode_immediate()
2775 decode_moffset(struct vie *vie) in decode_moffset() argument
2784 if ((vie->op.op_flags & VIE_OP_F_MOFFSET) == 0) in decode_moffset()
2791 n = vie->addrsize; in decode_moffset()
2796 if (vie_peek(vie, &x)) in decode_moffset()
2800 vie_advance(vie); in decode_moffset()
2802 vie->displacement = u.u64; in decode_moffset()
2812 verify_gla(struct vcpu *vcpu, uint64_t gla, struct vie *vie, in verify_gla() argument
2825 if (vie->base_register != VM_REG_LAST) { in verify_gla()
2826 error = vm_get_register(vcpu, vie->base_register, &base); in verify_gla()
2829 error, vie->base_register); in verify_gla()
2837 if (vie->base_register == VM_REG_GUEST_RIP) in verify_gla()
2838 base += vie->num_processed; in verify_gla()
2842 if (vie->index_register != VM_REG_LAST) { in verify_gla()
2843 error = vm_get_register(vcpu, vie->index_register, &idx); in verify_gla()
2846 error, vie->index_register); in verify_gla()
2864 if (vie->segment_override) in verify_gla()
2865 seg = vie->segment_register; in verify_gla()
2866 else if (vie->base_register == VM_REG_GUEST_RSP || in verify_gla()
2867 vie->base_register == VM_REG_GUEST_RBP) in verify_gla()
2879 vie->segment_register); in verify_gla()
2885 gla2 = segbase + base + vie->scale * idx + vie->displacement; in verify_gla()
2886 gla2 &= size2mask[vie->addrsize]; in verify_gla()
2891 segbase, base, vie->scale, idx, vie->displacement, in verify_gla()
2903 enum vm_cpu_mode cpu_mode, int cs_d, struct vie *vie) in vmm_decode_instruction() argument
2905 vmm_decode_instruction(enum vm_cpu_mode cpu_mode, int cs_d, struct vie *vie) in vmm_decode_instruction()
2909 if (decode_prefixes(vie, cpu_mode, cs_d)) in vmm_decode_instruction()
2912 if (decode_opcode(vie)) in vmm_decode_instruction()
2915 if (decode_modrm(vie, cpu_mode)) in vmm_decode_instruction()
2918 if (decode_sib(vie)) in vmm_decode_instruction()
2921 if (decode_displacement(vie)) in vmm_decode_instruction()
2924 if (decode_immediate(vie)) in vmm_decode_instruction()
2927 if (decode_moffset(vie)) in vmm_decode_instruction()
2931 if ((vie->op.op_flags & VIE_OP_F_NO_GLA_VERIFICATION) == 0) { in vmm_decode_instruction()
2932 if (verify_gla(vcpu, gla, vie, cpu_mode)) in vmm_decode_instruction()
2937 vie->decoded = 1; /* success */ in vmm_decode_instruction()