Lines Matching refs:vie
285 vie_calc_bytereg(struct vie *vie, enum vm_reg_name *reg, int *lhbr) in vie_calc_bytereg() argument
288 *reg = gpr_map[vie->reg]; in vie_calc_bytereg()
302 if (!vie->rex_present) { in vie_calc_bytereg()
303 if (vie->reg & 0x4) { in vie_calc_bytereg()
305 *reg = gpr_map[vie->reg & 0x3]; in vie_calc_bytereg()
311 vie_read_bytereg(void *vm, int vcpuid, struct vie *vie, uint8_t *rval) in vie_read_bytereg() argument
317 vie_calc_bytereg(vie, ®, &lhbr); in vie_read_bytereg()
332 vie_write_bytereg(void *vm, int vcpuid, struct vie *vie, uint8_t byte) in vie_write_bytereg() argument
338 vie_calc_bytereg(vie, ®, &lhbr); in vie_write_bytereg()
494 emulate_mov(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_mov() argument
502 size = vie->opsize; in emulate_mov()
505 switch (vie->op.op_byte) { in emulate_mov()
513 error = vie_read_bytereg(vm, vcpuid, vie, &byte); in emulate_mov()
524 reg = gpr_map[vie->reg]; in emulate_mov()
540 error = vie_write_bytereg(vm, vcpuid, vie, val); in emulate_mov()
551 reg = gpr_map[vie->reg]; in emulate_mov()
588 error = memwrite(vm, vcpuid, gpa, vie->immediate, size, arg); in emulate_mov()
597 val = vie->immediate & size2mask[size]; in emulate_mov()
608 emulate_movx(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_movx() argument
616 size = vie->opsize; in emulate_movx()
619 switch (vie->op.op_byte) { in emulate_movx()
636 reg = gpr_map[vie->reg]; in emulate_movx()
656 reg = gpr_map[vie->reg]; in emulate_movx()
679 reg = gpr_map[vie->reg]; in emulate_movx()
697 get_gla(void *vm, int vcpuid, struct vie *vie, struct vm_guest_paging *paging, in get_gla() argument
750 emulate_movs(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_movs() argument
763 opsize = (vie->op.op_byte == 0xA4) ? 1 : vie->opsize; in emulate_movs()
774 repeat = vie->repz_present | vie->repnz_present; in emulate_movs()
784 if ((rcx & vie_size2mask(vie->addrsize)) == 0) { in emulate_movs()
806 seg = vie->segment_override ? vie->segment_register : VM_REG_GUEST_DS; in emulate_movs()
807 error = get_gla(vm, vcpuid, vie, paging, opsize, vie->addrsize, in emulate_movs()
832 error = get_gla(vm, vcpuid, vie, paging, opsize, vie->addrsize, in emulate_movs()
906 vie->addrsize); in emulate_movs()
910 vie->addrsize); in emulate_movs()
916 rcx, vie->addrsize); in emulate_movs()
922 if ((rcx & vie_size2mask(vie->addrsize)) != 0) in emulate_movs()
932 emulate_stos(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_stos() argument
940 opsize = (vie->op.op_byte == 0xAA) ? 1 : vie->opsize; in emulate_stos()
941 repeat = vie->repz_present | vie->repnz_present; in emulate_stos()
951 if ((rcx & vie_size2mask(vie->addrsize)) == 0) in emulate_stos()
974 vie->addrsize); in emulate_stos()
980 rcx, vie->addrsize); in emulate_stos()
986 if ((rcx & vie_size2mask(vie->addrsize)) != 0) in emulate_stos()
994 emulate_and(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_and() argument
1001 size = vie->opsize; in emulate_and()
1004 switch (vie->op.op_byte) { in emulate_and()
1016 reg = gpr_map[vie->reg]; in emulate_and()
1054 result = val1 & vie->immediate; in emulate_and()
1082 emulate_or(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_or() argument
1089 size = vie->opsize; in emulate_or()
1092 switch (vie->op.op_byte) { in emulate_or()
1104 reg = gpr_map[vie->reg]; in emulate_or()
1142 result = val1 | vie->immediate; in emulate_or()
1170 emulate_cmp(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_cmp() argument
1177 size = vie->opsize; in emulate_cmp()
1178 switch (vie->op.op_byte) { in emulate_cmp()
1197 reg = gpr_map[vie->reg]; in emulate_cmp()
1207 if (vie->op.op_byte == 0x3B) { in emulate_cmp()
1238 if (vie->op.op_byte == 0x80) in emulate_cmp()
1246 rflags2 = getcc(size, op1, vie->immediate); in emulate_cmp()
1262 emulate_test(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_test() argument
1268 size = vie->opsize; in emulate_test()
1271 switch (vie->op.op_byte) { in emulate_test()
1283 if ((vie->reg & 7) != 0) in emulate_test()
1290 rflags2 = getandflags(size, op1, vie->immediate); in emulate_test()
1311 emulate_add(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_add() argument
1318 size = vie->opsize; in emulate_add()
1321 switch (vie->op.op_byte) { in emulate_add()
1332 reg = gpr_map[vie->reg]; in emulate_add()
1367 emulate_sub(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_sub() argument
1374 size = vie->opsize; in emulate_sub()
1377 switch (vie->op.op_byte) { in emulate_sub()
1388 reg = gpr_map[vie->reg]; in emulate_sub()
1423 emulate_stack_op(void *vm, int vcpuid, uint64_t mmio_gpa, struct vie *vie, in emulate_stack_op() argument
1437 size = vie->opsize; in emulate_stack_op()
1438 pushop = (vie->op.op_type == VIE_OP_TYPE_PUSH) ? 1 : 0; in emulate_stack_op()
1454 size = vie->opsize_override ? 2 : 8; in emulate_stack_op()
1525 emulate_push(void *vm, int vcpuid, uint64_t mmio_gpa, struct vie *vie, in emulate_push() argument
1537 if ((vie->reg & 7) != 6) in emulate_push()
1540 error = emulate_stack_op(vm, vcpuid, mmio_gpa, vie, paging, memread, in emulate_push()
1546 emulate_pop(void *vm, int vcpuid, uint64_t mmio_gpa, struct vie *vie, in emulate_pop() argument
1558 if ((vie->reg & 7) != 0) in emulate_pop()
1561 error = emulate_stack_op(vm, vcpuid, mmio_gpa, vie, paging, memread, in emulate_pop()
1567 emulate_group1(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_group1() argument
1573 switch (vie->reg & 7) { in emulate_group1()
1575 error = emulate_or(vm, vcpuid, gpa, vie, in emulate_group1()
1579 error = emulate_and(vm, vcpuid, gpa, vie, in emulate_group1()
1583 error = emulate_cmp(vm, vcpuid, gpa, vie, in emulate_group1()
1595 emulate_bittest(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_bittest() argument
1607 if ((vie->reg & 7) != 4) in emulate_bittest()
1613 error = memread(vm, vcpuid, gpa, &val, vie->opsize, memarg); in emulate_bittest()
1621 bitmask = vie->opsize * 8 - 1; in emulate_bittest()
1622 bitoff = vie->immediate & bitmask; in emulate_bittest()
1637 emulate_twob_group15(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in emulate_twob_group15() argument
1643 switch (vie->reg & 7) { in emulate_twob_group15()
1645 if (vie->mod == 0x3) { in emulate_twob_group15()
1668 vmm_emulate_instruction(void *vm, int vcpuid, uint64_t gpa, struct vie *vie, in vmm_emulate_instruction() argument
1674 if (!vie->decoded) in vmm_emulate_instruction()
1677 switch (vie->op.op_type) { in vmm_emulate_instruction()
1679 error = emulate_group1(vm, vcpuid, gpa, vie, paging, memread, in vmm_emulate_instruction()
1683 error = emulate_pop(vm, vcpuid, gpa, vie, paging, memread, in vmm_emulate_instruction()
1687 error = emulate_push(vm, vcpuid, gpa, vie, paging, memread, in vmm_emulate_instruction()
1691 error = emulate_cmp(vm, vcpuid, gpa, vie, in vmm_emulate_instruction()
1695 error = emulate_mov(vm, vcpuid, gpa, vie, in vmm_emulate_instruction()
1700 error = emulate_movx(vm, vcpuid, gpa, vie, in vmm_emulate_instruction()
1704 error = emulate_movs(vm, vcpuid, gpa, vie, paging, memread, in vmm_emulate_instruction()
1708 error = emulate_stos(vm, vcpuid, gpa, vie, paging, memread, in vmm_emulate_instruction()
1712 error = emulate_and(vm, vcpuid, gpa, vie, in vmm_emulate_instruction()
1716 error = emulate_or(vm, vcpuid, gpa, vie, in vmm_emulate_instruction()
1720 error = emulate_sub(vm, vcpuid, gpa, vie, in vmm_emulate_instruction()
1724 error = emulate_bittest(vm, vcpuid, gpa, vie, in vmm_emulate_instruction()
1728 error = emulate_twob_group15(vm, vcpuid, gpa, vie, in vmm_emulate_instruction()
1732 error = emulate_add(vm, vcpuid, gpa, vie, memread, in vmm_emulate_instruction()
1736 error = emulate_test(vm, vcpuid, gpa, vie, in vmm_emulate_instruction()
1899 vie_init(struct vie *vie, const char *inst_bytes, int inst_length) in vie_init() argument
1904 bzero(vie, sizeof(struct vie)); in vie_init()
1906 vie->base_register = VM_REG_LAST; in vie_init()
1907 vie->index_register = VM_REG_LAST; in vie_init()
1908 vie->segment_register = VM_REG_LAST; in vie_init()
1911 bcopy(inst_bytes, vie->inst, inst_length); in vie_init()
1912 vie->num_valid = inst_length; in vie_init()
2143 uint64_t rip, int inst_length, struct vie *vie, int *faultptr) in vmm_fetch_instruction() argument
2157 vm_copyin(vm, vcpuid, copyinfo, vie->inst, inst_length); in vmm_fetch_instruction()
2159 vie->num_valid = inst_length; in vmm_fetch_instruction()
2164 vie_peek(struct vie *vie, uint8_t *x) in vie_peek() argument
2167 if (vie->num_processed < vie->num_valid) { in vie_peek()
2168 *x = vie->inst[vie->num_processed]; in vie_peek()
2175 vie_advance(struct vie *vie) in vie_advance() argument
2178 vie->num_processed++; in vie_advance()
2211 decode_prefixes(struct vie *vie, enum vm_cpu_mode cpu_mode, int cs_d) in decode_prefixes() argument
2216 if (vie_peek(vie, &x)) in decode_prefixes()
2220 vie->opsize_override = 1; in decode_prefixes()
2222 vie->addrsize_override = 1; in decode_prefixes()
2224 vie->repz_present = 1; in decode_prefixes()
2226 vie->repnz_present = 1; in decode_prefixes()
2227 else if (segment_override(x, &vie->segment_register)) in decode_prefixes()
2228 vie->segment_override = 1; in decode_prefixes()
2232 vie_advance(vie); in decode_prefixes()
2244 vie->rex_present = 1; in decode_prefixes()
2245 vie->rex_w = x & 0x8 ? 1 : 0; in decode_prefixes()
2246 vie->rex_r = x & 0x4 ? 1 : 0; in decode_prefixes()
2247 vie->rex_x = x & 0x2 ? 1 : 0; in decode_prefixes()
2248 vie->rex_b = x & 0x1 ? 1 : 0; in decode_prefixes()
2249 vie_advance(vie); in decode_prefixes()
2260 vie->addrsize = vie->addrsize_override ? 4 : 8; in decode_prefixes()
2261 if (vie->rex_w) in decode_prefixes()
2262 vie->opsize = 8; in decode_prefixes()
2263 else if (vie->opsize_override) in decode_prefixes()
2264 vie->opsize = 2; in decode_prefixes()
2266 vie->opsize = 4; in decode_prefixes()
2269 vie->addrsize = vie->addrsize_override ? 2 : 4; in decode_prefixes()
2270 vie->opsize = vie->opsize_override ? 2 : 4; in decode_prefixes()
2273 vie->addrsize = vie->addrsize_override ? 4 : 2; in decode_prefixes()
2274 vie->opsize = vie->opsize_override ? 4 : 2; in decode_prefixes()
2280 decode_two_byte_opcode(struct vie *vie) in decode_two_byte_opcode() argument
2284 if (vie_peek(vie, &x)) in decode_two_byte_opcode()
2287 vie->op = two_byte_opcodes[x]; in decode_two_byte_opcode()
2289 if (vie->op.op_type == VIE_OP_TYPE_NONE) in decode_two_byte_opcode()
2292 vie_advance(vie); in decode_two_byte_opcode()
2297 decode_opcode(struct vie *vie) in decode_opcode() argument
2301 if (vie_peek(vie, &x)) in decode_opcode()
2304 vie->op = one_byte_opcodes[x]; in decode_opcode()
2306 if (vie->op.op_type == VIE_OP_TYPE_NONE) in decode_opcode()
2309 vie_advance(vie); in decode_opcode()
2311 if (vie->op.op_type == VIE_OP_TYPE_TWO_BYTE) in decode_opcode()
2312 return (decode_two_byte_opcode(vie)); in decode_opcode()
2318 decode_modrm(struct vie *vie, enum vm_cpu_mode cpu_mode) in decode_modrm() argument
2322 if (vie->op.op_flags & VIE_OP_F_NO_MODRM) in decode_modrm()
2328 if (vie_peek(vie, &x)) in decode_modrm()
2331 vie->mod = (x >> 6) & 0x3; in decode_modrm()
2332 vie->rm = (x >> 0) & 0x7; in decode_modrm()
2333 vie->reg = (x >> 3) & 0x7; in decode_modrm()
2340 if (vie->mod == VIE_MOD_DIRECT) in decode_modrm()
2343 if ((vie->mod == VIE_MOD_INDIRECT && vie->rm == VIE_RM_DISP32) || in decode_modrm()
2344 (vie->mod != VIE_MOD_DIRECT && vie->rm == VIE_RM_SIB)) { in decode_modrm()
2358 vie->rm |= (vie->rex_b << 3); in decode_modrm()
2361 vie->reg |= (vie->rex_r << 3); in decode_modrm()
2364 if (vie->mod != VIE_MOD_DIRECT && vie->rm == VIE_RM_SIB) in decode_modrm()
2367 vie->base_register = gpr_map[vie->rm]; in decode_modrm()
2369 switch (vie->mod) { in decode_modrm()
2371 vie->disp_bytes = 1; in decode_modrm()
2374 vie->disp_bytes = 4; in decode_modrm()
2377 if (vie->rm == VIE_RM_DISP32) { in decode_modrm()
2378 vie->disp_bytes = 4; in decode_modrm()
2387 vie->base_register = VM_REG_GUEST_RIP; in decode_modrm()
2389 vie->base_register = VM_REG_LAST; in decode_modrm()
2395 vie_advance(vie); in decode_modrm()
2401 decode_sib(struct vie *vie) in decode_sib() argument
2406 if (vie->mod == VIE_MOD_DIRECT || vie->rm != VIE_RM_SIB) in decode_sib()
2409 if (vie_peek(vie, &x)) in decode_sib()
2413 vie->ss = (x >> 6) & 0x3; in decode_sib()
2414 vie->index = (x >> 3) & 0x7; in decode_sib()
2415 vie->base = (x >> 0) & 0x7; in decode_sib()
2418 vie->index |= vie->rex_x << 3; in decode_sib()
2419 vie->base |= vie->rex_b << 3; in decode_sib()
2421 switch (vie->mod) { in decode_sib()
2423 vie->disp_bytes = 1; in decode_sib()
2426 vie->disp_bytes = 4; in decode_sib()
2430 if (vie->mod == VIE_MOD_INDIRECT && in decode_sib()
2431 (vie->base == 5 || vie->base == 13)) { in decode_sib()
2440 vie->disp_bytes = 4; in decode_sib()
2442 vie->base_register = gpr_map[vie->base]; in decode_sib()
2452 if (vie->index != 4) in decode_sib()
2453 vie->index_register = gpr_map[vie->index]; in decode_sib()
2456 if (vie->index_register < VM_REG_LAST) in decode_sib()
2457 vie->scale = 1 << vie->ss; in decode_sib()
2459 vie_advance(vie); in decode_sib()
2465 decode_displacement(struct vie *vie) in decode_displacement() argument
2476 if ((n = vie->disp_bytes) == 0) in decode_displacement()
2483 if (vie_peek(vie, &x)) in decode_displacement()
2487 vie_advance(vie); in decode_displacement()
2491 vie->displacement = u.signed8; /* sign-extended */ in decode_displacement()
2493 vie->displacement = u.signed32; /* sign-extended */ in decode_displacement()
2499 decode_immediate(struct vie *vie) in decode_immediate() argument
2511 if (vie->op.op_flags & VIE_OP_F_IMM) { in decode_immediate()
2519 if (vie->opsize == 4 || vie->opsize == 8) in decode_immediate()
2520 vie->imm_bytes = 4; in decode_immediate()
2522 vie->imm_bytes = 2; in decode_immediate()
2523 } else if (vie->op.op_flags & VIE_OP_F_IMM8) { in decode_immediate()
2524 vie->imm_bytes = 1; in decode_immediate()
2527 if ((n = vie->imm_bytes) == 0) in decode_immediate()
2534 if (vie_peek(vie, &x)) in decode_immediate()
2538 vie_advance(vie); in decode_immediate()
2543 vie->immediate = u.signed8; in decode_immediate()
2545 vie->immediate = u.signed16; in decode_immediate()
2547 vie->immediate = u.signed32; in decode_immediate()
2553 decode_moffset(struct vie *vie) in decode_moffset() argument
2562 if ((vie->op.op_flags & VIE_OP_F_MOFFSET) == 0) in decode_moffset()
2569 n = vie->addrsize; in decode_moffset()
2574 if (vie_peek(vie, &x)) in decode_moffset()
2578 vie_advance(vie); in decode_moffset()
2580 vie->displacement = u.u64; in decode_moffset()
2589 verify_gla(struct vm *vm, int cpuid, uint64_t gla, struct vie *vie, in verify_gla() argument
2602 if (vie->base_register != VM_REG_LAST) { in verify_gla()
2603 error = vm_get_register(vm, cpuid, vie->base_register, &base); in verify_gla()
2606 error, vie->base_register); in verify_gla()
2614 if (vie->base_register == VM_REG_GUEST_RIP) in verify_gla()
2615 base += vie->num_processed; in verify_gla()
2619 if (vie->index_register != VM_REG_LAST) { in verify_gla()
2620 error = vm_get_register(vm, cpuid, vie->index_register, &idx); in verify_gla()
2623 error, vie->index_register); in verify_gla()
2641 if (vie->segment_override) in verify_gla()
2642 seg = vie->segment_register; in verify_gla()
2643 else if (vie->base_register == VM_REG_GUEST_RSP || in verify_gla()
2644 vie->base_register == VM_REG_GUEST_RBP) in verify_gla()
2656 vie->segment_register); in verify_gla()
2662 gla2 = segbase + base + vie->scale * idx + vie->displacement; in verify_gla()
2663 gla2 &= size2mask[vie->addrsize]; in verify_gla()
2668 segbase, base, vie->scale, idx, vie->displacement, in verify_gla()
2678 enum vm_cpu_mode cpu_mode, int cs_d, struct vie *vie) in vmm_decode_instruction() argument
2681 if (decode_prefixes(vie, cpu_mode, cs_d)) in vmm_decode_instruction()
2684 if (decode_opcode(vie)) in vmm_decode_instruction()
2687 if (decode_modrm(vie, cpu_mode)) in vmm_decode_instruction()
2690 if (decode_sib(vie)) in vmm_decode_instruction()
2693 if (decode_displacement(vie)) in vmm_decode_instruction()
2696 if (decode_immediate(vie)) in vmm_decode_instruction()
2699 if (decode_moffset(vie)) in vmm_decode_instruction()
2702 if ((vie->op.op_flags & VIE_OP_F_NO_GLA_VERIFICATION) == 0) { in vmm_decode_instruction()
2703 if (verify_gla(vm, cpuid, gla, vie, cpu_mode)) in vmm_decode_instruction()
2707 vie->decoded = 1; /* success */ in vmm_decode_instruction()