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[Xen-devel] [PATCH RFC 1/9] xen: Emulate with no writes; compute current instruction length

From: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>

Date: Wed, 2 Jul 2014 16:33:53 +0300

Cc: tim@xxxxxxx, Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>

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Delivery-date: Wed, 02 Jul 2014 13:34:32 +0000

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List-id: Xen developer discussion <xen-devel.lists.xen.org>

Added support for emulating an instruction with no memory writes and for retrieving the length of the next instruction. Additionally, introduced hvm_emulate_one_full(bool_t nowrite), which acts upon all possible return values from the hvm_emulate_one() functions (RETRY, EXCEPTION, UNHANDLEABLE). Signed-off-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx> --- xen/arch/x86/Makefile | 2 + xen/arch/x86/hvm/emulate.c | 192 +++++++ xen/arch/x86/inat-tables.c | 1130 +++++++++++++++++++++++++++++++++++++ xen/arch/x86/inat.c | 96 ++++ xen/arch/x86/insn.c | 576 +++++++++++++++++++ xen/include/asm-x86/hvm/emulate.h | 5 + xen/include/asm-x86/inat.h | 221 ++++++++ xen/include/asm-x86/inat_types.h | 29 + xen/include/asm-x86/insn.h | 199 +++++++ 9 files changed, 2450 insertions(+) create mode 100644 xen/arch/x86/inat-tables.c create mode 100644 xen/arch/x86/inat.c create mode 100644 xen/arch/x86/insn.c create mode 100644 xen/include/asm-x86/inat.h create mode 100644 xen/include/asm-x86/inat_types.h create mode 100644 xen/include/asm-x86/insn.h diff --git a/xen/arch/x86/Makefile b/xen/arch/x86/Makefile index 6c90b1b..30829a0 100644 --- a/xen/arch/x86/Makefile +++ b/xen/arch/x86/Makefile @@ -59,6 +59,8 @@ obj-y += crash.o obj-y += tboot.o obj-y += hpet.o obj-y += xstate.o +obj-y += insn.o +obj-y += inat.o obj-$(crash_debug) += gdbstub.o diff --git a/xen/arch/x86/hvm/emulate.c b/xen/arch/x86/hvm/emulate.c index eac159f..1dc8c67 100644 --- a/xen/arch/x86/hvm/emulate.c +++ b/xen/arch/x86/hvm/emulate.c @@ -21,6 +21,7 @@ #include <asm/hvm/hvm.h> #include <asm/hvm/trace.h> #include <asm/hvm/support.h> +#include <asm/insn.h> static void hvmtrace_io_assist(int is_mmio, ioreq_t *p) { @@ -688,6 +689,17 @@ static int hvmemul_write( return X86EMUL_OKAY; } +static int hvmemul_write_dummy( + enum x86_segment __attribute__((unused)) seg, + unsigned long __attribute__((unused)) offset, + void __attribute__((unused)) *p_data, + unsigned int __attribute__((unused)) bytes, + struct x86_emulate_ctxt __attribute__((unused)) *ctxt) +{ + /* discarding the write */ + return X86EMUL_OKAY; +} + static int hvmemul_cmpxchg( enum x86_segment seg, unsigned long offset, @@ -1239,6 +1251,139 @@ int hvm_emulate_one( return X86EMUL_OKAY; } +int hvm_emulate_one_no_write( + struct hvm_emulate_ctxt *hvmemul_ctxt) +{ + struct cpu_user_regs *regs = hvmemul_ctxt->ctxt.regs; + struct vcpu *curr = current; + uint32_t new_intr_shadow, pfec = PFEC_page_present; + struct hvm_vcpu_io *vio = &curr->arch.hvm_vcpu.hvm_io; + struct x86_emulate_ops local_ops = hvm_emulate_ops; + unsigned long addr; + int rc; + + if ( hvm_long_mode_enabled(curr) && + hvmemul_ctxt->seg_reg[x86_seg_cs].attr.fields.l ) + { + hvmemul_ctxt->ctxt.addr_size = hvmemul_ctxt->ctxt.sp_size = 64; + } + else + { + hvmemul_ctxt->ctxt.addr_size = + hvmemul_ctxt->seg_reg[x86_seg_cs].attr.fields.db ? 32 : 16; + hvmemul_ctxt->ctxt.sp_size = + hvmemul_ctxt->seg_reg[x86_seg_ss].attr.fields.db ? 32 : 16; + } + + if ( hvmemul_ctxt->seg_reg[x86_seg_ss].attr.fields.dpl == 3 ) + pfec |= PFEC_user_mode; + + hvmemul_ctxt->insn_buf_eip = regs->eip; + if ( !vio->mmio_insn_bytes ) + { + hvmemul_ctxt->insn_buf_bytes = + hvm_get_insn_bytes(curr, hvmemul_ctxt->insn_buf) ?: + (hvm_virtual_to_linear_addr(x86_seg_cs, + &hvmemul_ctxt->seg_reg[x86_seg_cs], + regs->eip, + sizeof(hvmemul_ctxt->insn_buf), + hvm_access_insn_fetch, + hvmemul_ctxt->ctxt.addr_size, + &addr) && + hvm_fetch_from_guest_virt_nofault(hvmemul_ctxt->insn_buf, addr, + sizeof(hvmemul_ctxt->insn_buf), + pfec) == HVMCOPY_okay) ? + sizeof(hvmemul_ctxt->insn_buf) : 0; + } + else + { + hvmemul_ctxt->insn_buf_bytes = vio->mmio_insn_bytes; + memcpy(hvmemul_ctxt->insn_buf, vio->mmio_insn, vio->mmio_insn_bytes); + } + + hvmemul_ctxt->exn_pending = 0; + vio->mmio_retrying = vio->mmio_retry; + vio->mmio_retry = 0; + + local_ops.write = hvmemul_write_dummy; + rc = x86_emulate(&hvmemul_ctxt->ctxt, &local_ops); + + if ( rc == X86EMUL_OKAY && vio->mmio_retry ) + rc = X86EMUL_RETRY; + if ( rc != X86EMUL_RETRY ) + { + vio->mmio_large_read_bytes = vio->mmio_large_write_bytes = 0; + vio->mmio_insn_bytes = 0; + } + else + { + BUILD_BUG_ON(sizeof(vio->mmio_insn) < sizeof(hvmemul_ctxt->insn_buf)); + vio->mmio_insn_bytes = hvmemul_ctxt->insn_buf_bytes; + memcpy(vio->mmio_insn, hvmemul_ctxt->insn_buf, vio->mmio_insn_bytes); + } + + if ( rc != X86EMUL_OKAY ) + return rc; + + new_intr_shadow = hvmemul_ctxt->intr_shadow; + + /* MOV-SS instruction toggles MOV-SS shadow, else we just clear it. */ + if ( hvmemul_ctxt->ctxt.retire.flags.mov_ss ) + new_intr_shadow ^= HVM_INTR_SHADOW_MOV_SS; + else + new_intr_shadow &= ~HVM_INTR_SHADOW_MOV_SS; + + /* STI instruction toggles STI shadow, else we just clear it. */ + if ( hvmemul_ctxt->ctxt.retire.flags.sti ) + new_intr_shadow ^= HVM_INTR_SHADOW_STI; + else + new_intr_shadow &= ~HVM_INTR_SHADOW_STI; + + if ( hvmemul_ctxt->intr_shadow != new_intr_shadow ) + { + hvmemul_ctxt->intr_shadow = new_intr_shadow; + hvm_funcs.set_interrupt_shadow(curr, new_intr_shadow); + } + + if ( hvmemul_ctxt->ctxt.retire.flags.hlt && + !hvm_local_events_need_delivery(curr) ) + { + hvm_hlt(regs->eflags); + } + + return X86EMUL_OKAY; +} + +void hvm_emulate_one_full(bool_t nowrite) +{ + struct hvm_emulate_ctxt ctx[1] = {}; + int rc = X86EMUL_RETRY; + + hvm_emulate_prepare(ctx, guest_cpu_user_regs()); + + while ( rc == X86EMUL_RETRY ) + { + if ( nowrite ) + rc = hvm_emulate_one_no_write(ctx); + else + rc = hvm_emulate_one(ctx); + } + + switch ( rc ) + { + case X86EMUL_UNHANDLEABLE: + hvm_inject_hw_exception(TRAP_invalid_op, HVM_DELIVER_NO_ERROR_CODE); + break; + case X86EMUL_EXCEPTION: + if ( ctx->exn_pending ) + hvm_inject_hw_exception(ctx->exn_vector, ctx->exn_error_code); + /* fall through */ + default: + hvm_emulate_writeback(ctx); + break; + } +} + void hvm_emulate_prepare( struct hvm_emulate_ctxt *hvmemul_ctxt, struct cpu_user_regs *regs) @@ -1278,6 +1423,53 @@ struct segment_register *hvmemul_get_seg_reg( return &hvmemul_ctxt->seg_reg[seg]; } +int hvm_get_insn_length( + struct hvm_emulate_ctxt *hvmemul_ctxt) +{ + struct cpu_user_regs *regs = hvmemul_ctxt->ctxt.regs; + struct vcpu *curr = current; + uint32_t pfec = PFEC_page_present; + unsigned long addr; + struct x86_emulate_ops local_ops = hvm_emulate_ops; + struct insn insn; + + local_ops.write = hvmemul_write_dummy; + + if ( hvm_long_mode_enabled(curr) && + hvmemul_ctxt->seg_reg[x86_seg_cs].attr.fields.l ) + hvmemul_ctxt->ctxt.addr_size = hvmemul_ctxt->ctxt.sp_size = 64; + else + { + hvmemul_ctxt->ctxt.addr_size = + hvmemul_ctxt->seg_reg[x86_seg_cs].attr.fields.db ? 32 : 16; + hvmemul_ctxt->ctxt.sp_size = + hvmemul_ctxt->seg_reg[x86_seg_ss].attr.fields.db ? 32 : 16; + } + + if ( hvmemul_ctxt->seg_reg[x86_seg_ss].attr.fields.dpl == 3 ) + pfec |= PFEC_user_mode; + + hvmemul_ctxt->insn_buf_eip = regs->eip; + hvmemul_ctxt->insn_buf_bytes = + hvm_get_insn_bytes(curr, hvmemul_ctxt->insn_buf) + ? : + (hvm_virtual_to_linear_addr( + x86_seg_cs, &hvmemul_ctxt->seg_reg[x86_seg_cs], + regs->eip, sizeof(hvmemul_ctxt->insn_buf), + hvm_access_insn_fetch, hvmemul_ctxt->ctxt.addr_size, &addr) && + !hvm_fetch_from_guest_virt_nofault( + hvmemul_ctxt->insn_buf, addr, + sizeof(hvmemul_ctxt->insn_buf), pfec)) + ? sizeof(hvmemul_ctxt->insn_buf) : 0; + + hvmemul_ctxt->exn_pending = 0; + + insn_init(&insn, hvmemul_ctxt->insn_buf, hvm_long_mode_enabled(curr)); + insn_get_length(&insn); + + return insn.length; +} + /* * Local variables: * mode: C diff --git a/xen/arch/x86/inat-tables.c b/xen/arch/x86/inat-tables.c new file mode 100644 index 0000000..39252c3 --- /dev/null +++ b/xen/arch/x86/inat-tables.c @@ -0,0 +1,1130 @@ +/* x86 opcode map generated from x86-opcode-map.txt */ +/* Do not change this code. */ + +/* Table: one byte opcode */ +const insn_attr_t inat_primary_table[INAT_OPCODE_TABLE_SIZE] = { + [0x00] = INAT_MODRM, + [0x01] = INAT_MODRM, + [0x02] = INAT_MODRM, + [0x03] = INAT_MODRM, + [0x04] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x05] = INAT_MAKE_IMM(INAT_IMM_VWORD32), + [0x08] = INAT_MODRM, + [0x09] = INAT_MODRM, + [0x0a] = INAT_MODRM, + [0x0b] = INAT_MODRM, + [0x0c] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x0d] = INAT_MAKE_IMM(INAT_IMM_VWORD32), + [0x0f] = INAT_MAKE_ESCAPE(1), + [0x10] = INAT_MODRM, + [0x11] = INAT_MODRM, + [0x12] = INAT_MODRM, + [0x13] = INAT_MODRM, + [0x14] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x15] = INAT_MAKE_IMM(INAT_IMM_VWORD32), + [0x18] = INAT_MODRM, + [0x19] = INAT_MODRM, + [0x1a] = INAT_MODRM, + [0x1b] = INAT_MODRM, + [0x1c] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x1d] = INAT_MAKE_IMM(INAT_IMM_VWORD32), + [0x20] = INAT_MODRM, + [0x21] = INAT_MODRM, + [0x22] = INAT_MODRM, + [0x23] = INAT_MODRM, + [0x24] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x25] = INAT_MAKE_IMM(INAT_IMM_VWORD32), + [0x26] = INAT_MAKE_PREFIX(INAT_PFX_ES), + [0x28] = INAT_MODRM, + [0x29] = INAT_MODRM, + [0x2a] = INAT_MODRM, + [0x2b] = INAT_MODRM, + [0x2c] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x2d] = INAT_MAKE_IMM(INAT_IMM_VWORD32), + [0x2e] = INAT_MAKE_PREFIX(INAT_PFX_CS), + [0x30] = INAT_MODRM, + [0x31] = INAT_MODRM, + [0x32] = INAT_MODRM, + [0x33] = INAT_MODRM, + [0x34] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x35] = INAT_MAKE_IMM(INAT_IMM_VWORD32), + [0x36] = INAT_MAKE_PREFIX(INAT_PFX_SS), + [0x38] = INAT_MODRM, + [0x39] = INAT_MODRM, + [0x3a] = INAT_MODRM, + [0x3b] = INAT_MODRM, + [0x3c] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x3d] = INAT_MAKE_IMM(INAT_IMM_VWORD32), + [0x3e] = INAT_MAKE_PREFIX(INAT_PFX_DS), + [0x40] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x41] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x42] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x43] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x44] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x45] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x46] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x47] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x48] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x49] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x4a] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x4b] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x4c] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x4d] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x4e] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x4f] = INAT_MAKE_PREFIX(INAT_PFX_REX), + [0x50] = INAT_FORCE64, + [0x51] = INAT_FORCE64, + [0x52] = INAT_FORCE64, + [0x53] = INAT_FORCE64, + [0x54] = INAT_FORCE64, + [0x55] = INAT_FORCE64, + [0x56] = INAT_FORCE64, + [0x57] = INAT_FORCE64, + [0x58] = INAT_FORCE64, + [0x59] = INAT_FORCE64, + [0x5a] = INAT_FORCE64, + [0x5b] = INAT_FORCE64, + [0x5c] = INAT_FORCE64, + [0x5d] = INAT_FORCE64, + [0x5e] = INAT_FORCE64, + [0x5f] = INAT_FORCE64, + [0x62] = INAT_MODRM, + [0x63] = INAT_MODRM | INAT_MODRM, + [0x64] = INAT_MAKE_PREFIX(INAT_PFX_FS), + [0x65] = INAT_MAKE_PREFIX(INAT_PFX_GS), + [0x66] = INAT_MAKE_PREFIX(INAT_PFX_OPNDSZ), + [0x67] = INAT_MAKE_PREFIX(INAT_PFX_ADDRSZ), + [0x68] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x69] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_MODRM, + [0x6a] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_FORCE64, + [0x6b] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM, + [0x70] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x71] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x72] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x73] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x74] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x75] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x76] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x77] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x78] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x79] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x7a] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x7b] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x7c] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x7d] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x7e] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x7f] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0x80] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_MAKE_GROUP(1), + [0x81] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_MODRM | INAT_MAKE_GROUP(1), + [0x82] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_MAKE_GROUP(1), + [0x83] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_MAKE_GROUP(1), + [0x84] = INAT_MODRM, + [0x85] = INAT_MODRM, + [0x86] = INAT_MODRM, + [0x87] = INAT_MODRM, + [0x88] = INAT_MODRM, + [0x89] = INAT_MODRM, + [0x8a] = INAT_MODRM, + [0x8b] = INAT_MODRM, + [0x8c] = INAT_MODRM, + [0x8d] = INAT_MODRM, + [0x8e] = INAT_MODRM, + [0x8f] = INAT_MAKE_GROUP(2) | INAT_MODRM | INAT_FORCE64, + [0x9a] = INAT_MAKE_IMM(INAT_IMM_PTR), + [0x9c] = INAT_FORCE64, + [0x9d] = INAT_FORCE64, + [0xa0] = INAT_MOFFSET, + [0xa1] = INAT_MOFFSET, + [0xa2] = INAT_MOFFSET, + [0xa3] = INAT_MOFFSET, + [0xa8] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xa9] = INAT_MAKE_IMM(INAT_IMM_VWORD32), + [0xb0] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xb1] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xb2] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xb3] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xb4] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xb5] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xb6] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xb7] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xb8] = INAT_MAKE_IMM(INAT_IMM_VWORD), + [0xb9] = INAT_MAKE_IMM(INAT_IMM_VWORD), + [0xba] = INAT_MAKE_IMM(INAT_IMM_VWORD), + [0xbb] = INAT_MAKE_IMM(INAT_IMM_VWORD), + [0xbc] = INAT_MAKE_IMM(INAT_IMM_VWORD), + [0xbd] = INAT_MAKE_IMM(INAT_IMM_VWORD), + [0xbe] = INAT_MAKE_IMM(INAT_IMM_VWORD), + [0xbf] = INAT_MAKE_IMM(INAT_IMM_VWORD), + [0xc0] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_MAKE_GROUP(3), + [0xc1] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_MAKE_GROUP(3), + [0xc2] = INAT_MAKE_IMM(INAT_IMM_WORD) | INAT_FORCE64, + [0xc4] = INAT_MODRM | INAT_MAKE_PREFIX(INAT_PFX_VEX3), + [0xc5] = INAT_MODRM | INAT_MAKE_PREFIX(INAT_PFX_VEX2), + [0xc6] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_MAKE_GROUP(4), + [0xc7] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_MODRM | INAT_MAKE_GROUP(4), + [0xc8] = INAT_MAKE_IMM(INAT_IMM_WORD) | INAT_SCNDIMM, + [0xc9] = INAT_FORCE64, + [0xca] = INAT_MAKE_IMM(INAT_IMM_WORD), + [0xcd] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xd0] = INAT_MODRM | INAT_MAKE_GROUP(3), + [0xd1] = INAT_MODRM | INAT_MAKE_GROUP(3), + [0xd2] = INAT_MODRM | INAT_MAKE_GROUP(3), + [0xd3] = INAT_MODRM | INAT_MAKE_GROUP(3), + [0xd4] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xd5] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xd8] = INAT_MODRM, + [0xd9] = INAT_MODRM, + [0xda] = INAT_MODRM, + [0xdb] = INAT_MODRM, + [0xdc] = INAT_MODRM, + [0xdd] = INAT_MODRM, + [0xde] = INAT_MODRM, + [0xdf] = INAT_MODRM, + [0xe0] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_FORCE64, + [0xe1] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_FORCE64, + [0xe2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_FORCE64, + [0xe3] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_FORCE64, + [0xe4] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xe5] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xe6] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xe7] = INAT_MAKE_IMM(INAT_IMM_BYTE), + [0xe8] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0xe9] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0xea] = INAT_MAKE_IMM(INAT_IMM_PTR), + [0xeb] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_FORCE64, + [0xf0] = INAT_MAKE_PREFIX(INAT_PFX_LOCK), + [0xf2] = INAT_MAKE_PREFIX(INAT_PFX_REPNE), + [0xf3] = INAT_MAKE_PREFIX(INAT_PFX_REPE), + [0xf6] = INAT_MODRM | INAT_MAKE_GROUP(5), + [0xf7] = INAT_MODRM | INAT_MAKE_GROUP(6), + [0xfe] = INAT_MAKE_GROUP(7), + [0xff] = INAT_MAKE_GROUP(8), +}; + +/* Table: 2-byte opcode (0x0f) */ +const insn_attr_t inat_escape_table_1[INAT_OPCODE_TABLE_SIZE] = { + [0x00] = INAT_MAKE_GROUP(9), + [0x01] = INAT_MAKE_GROUP(10), + [0x02] = INAT_MODRM, + [0x03] = INAT_MODRM, + [0x0d] = INAT_MODRM | INAT_MAKE_GROUP(11), + [0x0f] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM, + [0x10] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x11] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x12] = INAT_MODRM | INAT_VEXOK | INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x13] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x14] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x15] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x16] = INAT_MODRM | INAT_VEXOK | INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x17] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x18] = INAT_MAKE_GROUP(12), + [0x1f] = INAT_MODRM, + [0x20] = INAT_MODRM, + [0x21] = INAT_MODRM, + [0x22] = INAT_MODRM, + [0x23] = INAT_MODRM, + [0x28] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x29] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x2a] = INAT_MODRM | INAT_VARIANT, + [0x2b] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x2c] = INAT_MODRM | INAT_VARIANT, + [0x2d] = INAT_MODRM | INAT_VARIANT, + [0x2e] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x2f] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x38] = INAT_MAKE_ESCAPE(2), + [0x3a] = INAT_MAKE_ESCAPE(3), + [0x40] = INAT_MODRM, + [0x41] = INAT_MODRM, + [0x42] = INAT_MODRM, + [0x43] = INAT_MODRM, + [0x44] = INAT_MODRM, + [0x45] = INAT_MODRM, + [0x46] = INAT_MODRM, + [0x47] = INAT_MODRM, + [0x48] = INAT_MODRM, + [0x49] = INAT_MODRM, + [0x4a] = INAT_MODRM, + [0x4b] = INAT_MODRM, + [0x4c] = INAT_MODRM, + [0x4d] = INAT_MODRM, + [0x4e] = INAT_MODRM, + [0x4f] = INAT_MODRM, + [0x50] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x51] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x52] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x53] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x54] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x55] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x56] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x57] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x58] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x59] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x5a] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x5b] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x5c] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x5d] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x5e] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x5f] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x60] = INAT_MODRM | INAT_VARIANT, + [0x61] = INAT_MODRM | INAT_VARIANT, + [0x62] = INAT_MODRM | INAT_VARIANT, + [0x63] = INAT_MODRM | INAT_VARIANT, + [0x64] = INAT_MODRM | INAT_VARIANT, + [0x65] = INAT_MODRM | INAT_VARIANT, + [0x66] = INAT_MODRM | INAT_VARIANT, + [0x67] = INAT_MODRM | INAT_VARIANT, + [0x68] = INAT_MODRM | INAT_VARIANT, + [0x69] = INAT_MODRM | INAT_VARIANT, + [0x6a] = INAT_MODRM | INAT_VARIANT, + [0x6b] = INAT_MODRM | INAT_VARIANT, + [0x6c] = INAT_VARIANT, + [0x6d] = INAT_VARIANT, + [0x6e] = INAT_MODRM | INAT_VARIANT, + [0x6f] = INAT_MODRM | INAT_VARIANT, + [0x70] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, + [0x71] = INAT_MAKE_GROUP(13), + [0x72] = INAT_MAKE_GROUP(14), + [0x73] = INAT_MAKE_GROUP(15), + [0x74] = INAT_MODRM | INAT_VARIANT, + [0x75] = INAT_MODRM | INAT_VARIANT, + [0x76] = INAT_MODRM | INAT_VARIANT, + [0x77] = INAT_VEXOK | INAT_VEXOK, + [0x78] = INAT_MODRM, + [0x79] = INAT_MODRM, + [0x7c] = INAT_VARIANT, + [0x7d] = INAT_VARIANT, + [0x7e] = INAT_MODRM | INAT_VARIANT, + [0x7f] = INAT_MODRM | INAT_VARIANT, + [0x80] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x81] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x82] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x83] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x84] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x85] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x86] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x87] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x88] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x89] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x8a] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x8b] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x8c] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x8d] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x8e] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x8f] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_FORCE64, + [0x90] = INAT_MODRM, + [0x91] = INAT_MODRM, + [0x92] = INAT_MODRM, + [0x93] = INAT_MODRM, + [0x94] = INAT_MODRM, + [0x95] = INAT_MODRM, + [0x96] = INAT_MODRM, + [0x97] = INAT_MODRM, + [0x98] = INAT_MODRM, + [0x99] = INAT_MODRM, + [0x9a] = INAT_MODRM, + [0x9b] = INAT_MODRM, + [0x9c] = INAT_MODRM, + [0x9d] = INAT_MODRM, + [0x9e] = INAT_MODRM, + [0x9f] = INAT_MODRM, + [0xa0] = INAT_FORCE64, + [0xa1] = INAT_FORCE64, + [0xa3] = INAT_MODRM, + [0xa4] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM, + [0xa5] = INAT_MODRM, + [0xa6] = INAT_MAKE_GROUP(16), + [0xa7] = INAT_MAKE_GROUP(17), + [0xa8] = INAT_FORCE64, + [0xa9] = INAT_FORCE64, + [0xab] = INAT_MODRM, + [0xac] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM, + [0xad] = INAT_MODRM, + [0xae] = INAT_MAKE_GROUP(18), + [0xaf] = INAT_MODRM, + [0xb0] = INAT_MODRM, + [0xb1] = INAT_MODRM, + [0xb2] = INAT_MODRM, + [0xb3] = INAT_MODRM, + [0xb4] = INAT_MODRM, + [0xb5] = INAT_MODRM, + [0xb6] = INAT_MODRM, + [0xb7] = INAT_MODRM, + [0xb8] = INAT_VARIANT, + [0xb9] = INAT_MAKE_GROUP(19), + [0xba] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_MAKE_GROUP(20), + [0xbb] = INAT_MODRM, + [0xbc] = INAT_MODRM | INAT_VARIANT, + [0xbd] = INAT_MODRM | INAT_VARIANT, + [0xbe] = INAT_MODRM, + [0xbf] = INAT_MODRM, + [0xc0] = INAT_MODRM, + [0xc1] = INAT_MODRM, + [0xc2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0xc3] = INAT_MODRM, + [0xc4] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, + [0xc5] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, + [0xc6] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0xc7] = INAT_MAKE_GROUP(21), + [0xd0] = INAT_VARIANT, + [0xd1] = INAT_MODRM | INAT_VARIANT, + [0xd2] = INAT_MODRM | INAT_VARIANT, + [0xd3] = INAT_MODRM | INAT_VARIANT, + [0xd4] = INAT_MODRM | INAT_VARIANT, + [0xd5] = INAT_MODRM | INAT_VARIANT, + [0xd6] = INAT_VARIANT, + [0xd7] = INAT_MODRM | INAT_VARIANT, + [0xd8] = INAT_MODRM | INAT_VARIANT, + [0xd9] = INAT_MODRM | INAT_VARIANT, + [0xda] = INAT_MODRM | INAT_VARIANT, + [0xdb] = INAT_MODRM | INAT_VARIANT, + [0xdc] = INAT_MODRM | INAT_VARIANT, + [0xdd] = INAT_MODRM | INAT_VARIANT, + [0xde] = INAT_MODRM | INAT_VARIANT, + [0xdf] = INAT_MODRM | INAT_VARIANT, + [0xe0] = INAT_MODRM | INAT_VARIANT, + [0xe1] = INAT_MODRM | INAT_VARIANT, + [0xe2] = INAT_MODRM | INAT_VARIANT, + [0xe3] = INAT_MODRM | INAT_VARIANT, + [0xe4] = INAT_MODRM | INAT_VARIANT, + [0xe5] = INAT_MODRM | INAT_VARIANT, + [0xe6] = INAT_VARIANT, + [0xe7] = INAT_MODRM | INAT_VARIANT, + [0xe8] = INAT_MODRM | INAT_VARIANT, + [0xe9] = INAT_MODRM | INAT_VARIANT, + [0xea] = INAT_MODRM | INAT_VARIANT, + [0xeb] = INAT_MODRM | INAT_VARIANT, + [0xec] = INAT_MODRM | INAT_VARIANT, + [0xed] = INAT_MODRM | INAT_VARIANT, + [0xee] = INAT_MODRM | INAT_VARIANT, + [0xef] = INAT_MODRM | INAT_VARIANT, + [0xf0] = INAT_VARIANT, + [0xf1] = INAT_MODRM | INAT_VARIANT, + [0xf2] = INAT_MODRM | INAT_VARIANT, + [0xf3] = INAT_MODRM | INAT_VARIANT, + [0xf4] = INAT_MODRM | INAT_VARIANT, + [0xf5] = INAT_MODRM | INAT_VARIANT, + [0xf6] = INAT_MODRM | INAT_VARIANT, + [0xf7] = INAT_MODRM | INAT_VARIANT, + [0xf8] = INAT_MODRM | INAT_VARIANT, + [0xf9] = INAT_MODRM | INAT_VARIANT, + [0xfa] = INAT_MODRM | INAT_VARIANT, + [0xfb] = INAT_MODRM | INAT_VARIANT, + [0xfc] = INAT_MODRM | INAT_VARIANT, + [0xfd] = INAT_MODRM | INAT_VARIANT, + [0xfe] = INAT_MODRM | INAT_VARIANT, +}; +const insn_attr_t inat_escape_table_1_1[INAT_OPCODE_TABLE_SIZE] = { + [0x10] = INAT_MODRM | INAT_VEXOK, + [0x11] = INAT_MODRM | INAT_VEXOK, + [0x12] = INAT_MODRM | INAT_VEXOK, + [0x13] = INAT_MODRM | INAT_VEXOK, + [0x14] = INAT_MODRM | INAT_VEXOK, + [0x15] = INAT_MODRM | INAT_VEXOK, + [0x16] = INAT_MODRM | INAT_VEXOK, + [0x17] = INAT_MODRM | INAT_VEXOK, + [0x28] = INAT_MODRM | INAT_VEXOK, + [0x29] = INAT_MODRM | INAT_VEXOK, + [0x2a] = INAT_MODRM, + [0x2b] = INAT_MODRM | INAT_VEXOK, + [0x2c] = INAT_MODRM, + [0x2d] = INAT_MODRM, + [0x2e] = INAT_MODRM | INAT_VEXOK, + [0x2f] = INAT_MODRM | INAT_VEXOK, + [0x50] = INAT_MODRM | INAT_VEXOK, + [0x51] = INAT_MODRM | INAT_VEXOK, + [0x54] = INAT_MODRM | INAT_VEXOK, + [0x55] = INAT_MODRM | INAT_VEXOK, + [0x56] = INAT_MODRM | INAT_VEXOK, + [0x57] = INAT_MODRM | INAT_VEXOK, + [0x58] = INAT_MODRM | INAT_VEXOK, + [0x59] = INAT_MODRM | INAT_VEXOK, + [0x5a] = INAT_MODRM | INAT_VEXOK, + [0x5b] = INAT_MODRM | INAT_VEXOK, + [0x5c] = INAT_MODRM | INAT_VEXOK, + [0x5d] = INAT_MODRM | INAT_VEXOK, + [0x5e] = INAT_MODRM | INAT_VEXOK, + [0x5f] = INAT_MODRM | INAT_VEXOK, + [0x60] = INAT_MODRM | INAT_VEXOK, + [0x61] = INAT_MODRM | INAT_VEXOK, + [0x62] = INAT_MODRM | INAT_VEXOK, + [0x63] = INAT_MODRM | INAT_VEXOK, + [0x64] = INAT_MODRM | INAT_VEXOK, + [0x65] = INAT_MODRM | INAT_VEXOK, + [0x66] = INAT_MODRM | INAT_VEXOK, + [0x67] = INAT_MODRM | INAT_VEXOK, + [0x68] = INAT_MODRM | INAT_VEXOK, + [0x69] = INAT_MODRM | INAT_VEXOK, + [0x6a] = INAT_MODRM | INAT_VEXOK, + [0x6b] = INAT_MODRM | INAT_VEXOK, + [0x6c] = INAT_MODRM | INAT_VEXOK, + [0x6d] = INAT_MODRM | INAT_VEXOK, + [0x6e] = INAT_MODRM | INAT_VEXOK, + [0x6f] = INAT_MODRM | INAT_VEXOK, + [0x70] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x74] = INAT_MODRM | INAT_VEXOK, + [0x75] = INAT_MODRM | INAT_VEXOK, + [0x76] = INAT_MODRM | INAT_VEXOK, + [0x7c] = INAT_MODRM | INAT_VEXOK, + [0x7d] = INAT_MODRM | INAT_VEXOK, + [0x7e] = INAT_MODRM | INAT_VEXOK, + [0x7f] = INAT_MODRM | INAT_VEXOK, + [0xbc] = INAT_MODRM, + [0xbd] = INAT_MODRM, + [0xc2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0xc4] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0xc5] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0xc6] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0xd0] = INAT_MODRM | INAT_VEXOK, + [0xd1] = INAT_MODRM | INAT_VEXOK, + [0xd2] = INAT_MODRM | INAT_VEXOK, + [0xd3] = INAT_MODRM | INAT_VEXOK, + [0xd4] = INAT_MODRM | INAT_VEXOK, + [0xd5] = INAT_MODRM | INAT_VEXOK, + [0xd6] = INAT_MODRM | INAT_VEXOK, + [0xd7] = INAT_MODRM | INAT_VEXOK, + [0xd8] = INAT_MODRM | INAT_VEXOK, + [0xd9] = INAT_MODRM | INAT_VEXOK, + [0xda] = INAT_MODRM | INAT_VEXOK, + [0xdb] = INAT_MODRM | INAT_VEXOK, + [0xdc] = INAT_MODRM | INAT_VEXOK, + [0xdd] = INAT_MODRM | INAT_VEXOK, + [0xde] = INAT_MODRM | INAT_VEXOK, + [0xdf] = INAT_MODRM | INAT_VEXOK, + [0xe0] = INAT_MODRM | INAT_VEXOK, + [0xe1] = INAT_MODRM | INAT_VEXOK, + [0xe2] = INAT_MODRM | INAT_VEXOK, + [0xe3] = INAT_MODRM | INAT_VEXOK, + [0xe4] = INAT_MODRM | INAT_VEXOK, + [0xe5] = INAT_MODRM | INAT_VEXOK, + [0xe6] = INAT_MODRM | INAT_VEXOK, + [0xe7] = INAT_MODRM | INAT_VEXOK, + [0xe8] = INAT_MODRM | INAT_VEXOK, + [0xe9] = INAT_MODRM | INAT_VEXOK, + [0xea] = INAT_MODRM | INAT_VEXOK, + [0xeb] = INAT_MODRM | INAT_VEXOK, + [0xec] = INAT_MODRM | INAT_VEXOK, + [0xed] = INAT_MODRM | INAT_VEXOK, + [0xee] = INAT_MODRM | INAT_VEXOK, + [0xef] = INAT_MODRM | INAT_VEXOK, + [0xf1] = INAT_MODRM | INAT_VEXOK, + [0xf2] = INAT_MODRM | INAT_VEXOK, + [0xf3] = INAT_MODRM | INAT_VEXOK, + [0xf4] = INAT_MODRM | INAT_VEXOK, + [0xf5] = INAT_MODRM | INAT_VEXOK, + [0xf6] = INAT_MODRM | INAT_VEXOK, + [0xf7] = INAT_MODRM | INAT_VEXOK, + [0xf8] = INAT_MODRM | INAT_VEXOK, + [0xf9] = INAT_MODRM | INAT_VEXOK, + [0xfa] = INAT_MODRM | INAT_VEXOK, + [0xfb] = INAT_MODRM | INAT_VEXOK, + [0xfc] = INAT_MODRM | INAT_VEXOK, + [0xfd] = INAT_MODRM | INAT_VEXOK, + [0xfe] = INAT_MODRM | INAT_VEXOK, +}; +const insn_attr_t inat_escape_table_1_2[INAT_OPCODE_TABLE_SIZE] = { + [0x10] = INAT_MODRM | INAT_VEXOK, + [0x11] = INAT_MODRM | INAT_VEXOK, + [0x12] = INAT_MODRM | INAT_VEXOK, + [0x16] = INAT_MODRM | INAT_VEXOK, + [0x2a] = INAT_MODRM | INAT_VEXOK, + [0x2c] = INAT_MODRM | INAT_VEXOK, + [0x2d] = INAT_MODRM | INAT_VEXOK, + [0x51] = INAT_MODRM | INAT_VEXOK, + [0x52] = INAT_MODRM | INAT_VEXOK, + [0x53] = INAT_MODRM | INAT_VEXOK, + [0x58] = INAT_MODRM | INAT_VEXOK, + [0x59] = INAT_MODRM | INAT_VEXOK, + [0x5a] = INAT_MODRM | INAT_VEXOK, + [0x5b] = INAT_MODRM | INAT_VEXOK, + [0x5c] = INAT_MODRM | INAT_VEXOK, + [0x5d] = INAT_MODRM | INAT_VEXOK, + [0x5e] = INAT_MODRM | INAT_VEXOK, + [0x5f] = INAT_MODRM | INAT_VEXOK, + [0x6f] = INAT_MODRM | INAT_VEXOK, + [0x70] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x7e] = INAT_MODRM | INAT_VEXOK, + [0x7f] = INAT_MODRM | INAT_VEXOK, + [0xb8] = INAT_MODRM, + [0xbc] = INAT_MODRM, + [0xbd] = INAT_MODRM, + [0xc2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0xd6] = INAT_MODRM, + [0xe6] = INAT_MODRM | INAT_VEXOK, +}; +const insn_attr_t inat_escape_table_1_3[INAT_OPCODE_TABLE_SIZE] = { + [0x10] = INAT_MODRM | INAT_VEXOK, + [0x11] = INAT_MODRM | INAT_VEXOK, + [0x12] = INAT_MODRM | INAT_VEXOK, + [0x2a] = INAT_MODRM | INAT_VEXOK, + [0x2c] = INAT_MODRM | INAT_VEXOK, + [0x2d] = INAT_MODRM | INAT_VEXOK, + [0x51] = INAT_MODRM | INAT_VEXOK, + [0x58] = INAT_MODRM | INAT_VEXOK, + [0x59] = INAT_MODRM | INAT_VEXOK, + [0x5a] = INAT_MODRM | INAT_VEXOK, + [0x5c] = INAT_MODRM | INAT_VEXOK, + [0x5d] = INAT_MODRM | INAT_VEXOK, + [0x5e] = INAT_MODRM | INAT_VEXOK, + [0x5f] = INAT_MODRM | INAT_VEXOK, + [0x70] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x7c] = INAT_MODRM | INAT_VEXOK, + [0x7d] = INAT_MODRM | INAT_VEXOK, + [0xbc] = INAT_MODRM, + [0xbd] = INAT_MODRM, + [0xc2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0xd0] = INAT_MODRM | INAT_VEXOK, + [0xd6] = INAT_MODRM, + [0xe6] = INAT_MODRM | INAT_VEXOK, + [0xf0] = INAT_MODRM | INAT_VEXOK, +}; + +/* Table: 3-byte opcode 1 (0x0f 0x38) */ +const insn_attr_t inat_escape_table_2[INAT_OPCODE_TABLE_SIZE] = { + [0x00] = INAT_MODRM | INAT_VARIANT, + [0x01] = INAT_MODRM | INAT_VARIANT, + [0x02] = INAT_MODRM | INAT_VARIANT, + [0x03] = INAT_MODRM | INAT_VARIANT, + [0x04] = INAT_MODRM | INAT_VARIANT, + [0x05] = INAT_MODRM | INAT_VARIANT, + [0x06] = INAT_MODRM | INAT_VARIANT, + [0x07] = INAT_MODRM | INAT_VARIANT, + [0x08] = INAT_MODRM | INAT_VARIANT, + [0x09] = INAT_MODRM | INAT_VARIANT, + [0x0a] = INAT_MODRM | INAT_VARIANT, + [0x0b] = INAT_MODRM | INAT_VARIANT, + [0x0c] = INAT_VARIANT, + [0x0d] = INAT_VARIANT, + [0x0e] = INAT_VARIANT, + [0x0f] = INAT_VARIANT, + [0x10] = INAT_VARIANT, + [0x13] = INAT_VARIANT, + [0x14] = INAT_VARIANT, + [0x15] = INAT_VARIANT, + [0x16] = INAT_VARIANT, + [0x17] = INAT_VARIANT, + [0x18] = INAT_VARIANT, + [0x19] = INAT_VARIANT, + [0x1a] = INAT_VARIANT, + [0x1c] = INAT_MODRM | INAT_VARIANT, + [0x1d] = INAT_MODRM | INAT_VARIANT, + [0x1e] = INAT_MODRM | INAT_VARIANT, + [0x20] = INAT_VARIANT, + [0x21] = INAT_VARIANT, + [0x22] = INAT_VARIANT, + [0x23] = INAT_VARIANT, + [0x24] = INAT_VARIANT, + [0x25] = INAT_VARIANT, + [0x28] = INAT_VARIANT, + [0x29] = INAT_VARIANT, + [0x2a] = INAT_VARIANT, + [0x2b] = INAT_VARIANT, + [0x2c] = INAT_VARIANT, + [0x2d] = INAT_VARIANT, + [0x2e] = INAT_VARIANT, + [0x2f] = INAT_VARIANT, + [0x30] = INAT_VARIANT, + [0x31] = INAT_VARIANT, + [0x32] = INAT_VARIANT, + [0x33] = INAT_VARIANT, + [0x34] = INAT_VARIANT, + [0x35] = INAT_VARIANT, + [0x36] = INAT_VARIANT, + [0x37] = INAT_VARIANT, + [0x38] = INAT_VARIANT, + [0x39] = INAT_VARIANT, + [0x3a] = INAT_VARIANT, + [0x3b] = INAT_VARIANT, + [0x3c] = INAT_VARIANT, + [0x3d] = INAT_VARIANT, + [0x3e] = INAT_VARIANT, + [0x3f] = INAT_VARIANT, + [0x40] = INAT_VARIANT, + [0x41] = INAT_VARIANT, + [0x45] = INAT_VARIANT, + [0x46] = INAT_VARIANT, + [0x47] = INAT_VARIANT, + [0x58] = INAT_VARIANT, + [0x59] = INAT_VARIANT, + [0x5a] = INAT_VARIANT, + [0x78] = INAT_VARIANT, + [0x79] = INAT_VARIANT, + [0x80] = INAT_VARIANT, + [0x81] = INAT_VARIANT, + [0x82] = INAT_VARIANT, + [0x8c] = INAT_VARIANT, + [0x8e] = INAT_VARIANT, + [0x90] = INAT_VARIANT, + [0x91] = INAT_VARIANT, + [0x92] = INAT_VARIANT, + [0x93] = INAT_VARIANT, + [0x96] = INAT_VARIANT, + [0x97] = INAT_VARIANT, + [0x98] = INAT_VARIANT, + [0x99] = INAT_VARIANT, + [0x9a] = INAT_VARIANT, + [0x9b] = INAT_VARIANT, + [0x9c] = INAT_VARIANT, + [0x9d] = INAT_VARIANT, + [0x9e] = INAT_VARIANT, + [0x9f] = INAT_VARIANT, + [0xa6] = INAT_VARIANT, + [0xa7] = INAT_VARIANT, + [0xa8] = INAT_VARIANT, + [0xa9] = INAT_VARIANT, + [0xaa] = INAT_VARIANT, + [0xab] = INAT_VARIANT, + [0xac] = INAT_VARIANT, + [0xad] = INAT_VARIANT, + [0xae] = INAT_VARIANT, + [0xaf] = INAT_VARIANT, + [0xb6] = INAT_VARIANT, + [0xb7] = INAT_VARIANT, + [0xb8] = INAT_VARIANT, + [0xb9] = INAT_VARIANT, + [0xba] = INAT_VARIANT, + [0xbb] = INAT_VARIANT, + [0xbc] = INAT_VARIANT, + [0xbd] = INAT_VARIANT, + [0xbe] = INAT_VARIANT, + [0xbf] = INAT_VARIANT, + [0xdb] = INAT_VARIANT, + [0xdc] = INAT_VARIANT, + [0xdd] = INAT_VARIANT, + [0xde] = INAT_VARIANT, + [0xdf] = INAT_VARIANT, + [0xf0] = INAT_MODRM | INAT_VARIANT, + [0xf1] = INAT_MODRM | INAT_VARIANT, + [0xf2] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xf3] = INAT_MAKE_GROUP(22), + [0xf5] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY | INAT_VARIANT, + [0xf6] = INAT_VARIANT, + [0xf7] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY | INAT_VARIANT, +}; +const insn_attr_t inat_escape_table_2_1[INAT_OPCODE_TABLE_SIZE] = { + [0x00] = INAT_MODRM | INAT_VEXOK, + [0x01] = INAT_MODRM | INAT_VEXOK, + [0x02] = INAT_MODRM | INAT_VEXOK, + [0x03] = INAT_MODRM | INAT_VEXOK, + [0x04] = INAT_MODRM | INAT_VEXOK, + [0x05] = INAT_MODRM | INAT_VEXOK, + [0x06] = INAT_MODRM | INAT_VEXOK, + [0x07] = INAT_MODRM | INAT_VEXOK, + [0x08] = INAT_MODRM | INAT_VEXOK, + [0x09] = INAT_MODRM | INAT_VEXOK, + [0x0a] = INAT_MODRM | INAT_VEXOK, + [0x0b] = INAT_MODRM | INAT_VEXOK, + [0x0c] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x0d] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x0e] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x0f] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x10] = INAT_MODRM, + [0x13] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x14] = INAT_MODRM, + [0x15] = INAT_MODRM, + [0x16] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x17] = INAT_MODRM | INAT_VEXOK, + [0x18] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x19] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x1a] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x1c] = INAT_MODRM | INAT_VEXOK, + [0x1d] = INAT_MODRM | INAT_VEXOK, + [0x1e] = INAT_MODRM | INAT_VEXOK, + [0x20] = INAT_MODRM | INAT_VEXOK, + [0x21] = INAT_MODRM | INAT_VEXOK, + [0x22] = INAT_MODRM | INAT_VEXOK, + [0x23] = INAT_MODRM | INAT_VEXOK, + [0x24] = INAT_MODRM | INAT_VEXOK, + [0x25] = INAT_MODRM | INAT_VEXOK, + [0x28] = INAT_MODRM | INAT_VEXOK, + [0x29] = INAT_MODRM | INAT_VEXOK, + [0x2a] = INAT_MODRM | INAT_VEXOK, + [0x2b] = INAT_MODRM | INAT_VEXOK, + [0x2c] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x2d] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x2e] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x2f] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x30] = INAT_MODRM | INAT_VEXOK, + [0x31] = INAT_MODRM | INAT_VEXOK, + [0x32] = INAT_MODRM | INAT_VEXOK, + [0x33] = INAT_MODRM | INAT_VEXOK, + [0x34] = INAT_MODRM | INAT_VEXOK, + [0x35] = INAT_MODRM | INAT_VEXOK, + [0x36] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x37] = INAT_MODRM | INAT_VEXOK, + [0x38] = INAT_MODRM | INAT_VEXOK, + [0x39] = INAT_MODRM | INAT_VEXOK, + [0x3a] = INAT_MODRM | INAT_VEXOK, + [0x3b] = INAT_MODRM | INAT_VEXOK, + [0x3c] = INAT_MODRM | INAT_VEXOK, + [0x3d] = INAT_MODRM | INAT_VEXOK, + [0x3e] = INAT_MODRM | INAT_VEXOK, + [0x3f] = INAT_MODRM | INAT_VEXOK, + [0x40] = INAT_MODRM | INAT_VEXOK, + [0x41] = INAT_MODRM | INAT_VEXOK, + [0x45] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x46] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x47] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x58] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x59] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x5a] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x78] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x79] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x80] = INAT_MODRM, + [0x81] = INAT_MODRM, + [0x82] = INAT_MODRM, + [0x8c] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x8e] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x90] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x91] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x92] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x93] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x96] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x97] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x98] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x99] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x9a] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x9b] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x9c] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x9d] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x9e] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x9f] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xa6] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xa7] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xa8] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xa9] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xaa] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xab] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xac] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xad] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xae] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xaf] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xb6] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xb7] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xb8] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xb9] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xba] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xbb] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xbc] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xbd] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xbe] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xbf] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xdb] = INAT_MODRM | INAT_VEXOK, + [0xdc] = INAT_MODRM | INAT_VEXOK, + [0xdd] = INAT_MODRM | INAT_VEXOK, + [0xde] = INAT_MODRM | INAT_VEXOK, + [0xdf] = INAT_MODRM | INAT_VEXOK, + [0xf0] = INAT_MODRM, + [0xf1] = INAT_MODRM, + [0xf7] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, +}; +const insn_attr_t inat_escape_table_2_2[INAT_OPCODE_TABLE_SIZE] = { + [0xf5] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xf7] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, +}; +const insn_attr_t inat_escape_table_2_3[INAT_OPCODE_TABLE_SIZE] = { + [0xf0] = INAT_MODRM, + [0xf1] = INAT_MODRM, + [0xf5] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xf6] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0xf7] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, +}; + +/* Table: 3-byte opcode 2 (0x0f 0x3a) */ +const insn_attr_t inat_escape_table_3[INAT_OPCODE_TABLE_SIZE] = { + [0x00] = INAT_VARIANT, + [0x01] = INAT_VARIANT, + [0x02] = INAT_VARIANT, + [0x04] = INAT_VARIANT, + [0x05] = INAT_VARIANT, + [0x06] = INAT_VARIANT, + [0x08] = INAT_VARIANT, + [0x09] = INAT_VARIANT, + [0x0a] = INAT_VARIANT, + [0x0b] = INAT_VARIANT, + [0x0c] = INAT_VARIANT, + [0x0d] = INAT_VARIANT, + [0x0e] = INAT_VARIANT, + [0x0f] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, + [0x14] = INAT_VARIANT, + [0x15] = INAT_VARIANT, + [0x16] = INAT_VARIANT, + [0x17] = INAT_VARIANT, + [0x18] = INAT_VARIANT, + [0x19] = INAT_VARIANT, + [0x1d] = INAT_VARIANT, + [0x20] = INAT_VARIANT, + [0x21] = INAT_VARIANT, + [0x22] = INAT_VARIANT, + [0x38] = INAT_VARIANT, + [0x39] = INAT_VARIANT, + [0x40] = INAT_VARIANT, + [0x41] = INAT_VARIANT, + [0x42] = INAT_VARIANT, + [0x44] = INAT_VARIANT, + [0x46] = INAT_VARIANT, + [0x4a] = INAT_VARIANT, + [0x4b] = INAT_VARIANT, + [0x4c] = INAT_VARIANT, + [0x60] = INAT_VARIANT, + [0x61] = INAT_VARIANT, + [0x62] = INAT_VARIANT, + [0x63] = INAT_VARIANT, + [0xdf] = INAT_VARIANT, + [0xf0] = INAT_VARIANT, +}; +const insn_attr_t inat_escape_table_3_1[INAT_OPCODE_TABLE_SIZE] = { + [0x00] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x01] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x02] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x04] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x05] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x06] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x08] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x09] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x0a] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x0b] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x0c] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x0d] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x0e] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x0f] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x14] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x15] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x16] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x17] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x18] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x19] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x1d] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x20] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x21] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x22] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x38] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x39] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x40] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x41] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x42] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x44] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x46] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x4a] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x4b] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x4c] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x60] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x61] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x62] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x63] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0xdf] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, +}; +const insn_attr_t inat_escape_table_3_3[INAT_OPCODE_TABLE_SIZE] = { + [0xf0] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, +}; + +/* GrpTable: Grp1 */ + +/* GrpTable: Grp1A */ + +/* GrpTable: Grp2 */ + +/* GrpTable: Grp3_1 */ +const insn_attr_t inat_group_table_5[INAT_GROUP_TABLE_SIZE] = { + [0x0] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM, + [0x2] = INAT_MODRM, + [0x3] = INAT_MODRM, + [0x4] = INAT_MODRM, + [0x5] = INAT_MODRM, + [0x6] = INAT_MODRM, + [0x7] = INAT_MODRM, +}; + +/* GrpTable: Grp3_2 */ +const insn_attr_t inat_group_table_6[INAT_GROUP_TABLE_SIZE] = { + [0x0] = INAT_MAKE_IMM(INAT_IMM_VWORD32) | INAT_MODRM, + [0x2] = INAT_MODRM, + [0x3] = INAT_MODRM, + [0x4] = INAT_MODRM, + [0x5] = INAT_MODRM, + [0x6] = INAT_MODRM, + [0x7] = INAT_MODRM, +}; + +/* GrpTable: Grp4 */ +const insn_attr_t inat_group_table_7[INAT_GROUP_TABLE_SIZE] = { + [0x0] = INAT_MODRM, + [0x1] = INAT_MODRM, +}; + +/* GrpTable: Grp5 */ +const insn_attr_t inat_group_table_8[INAT_GROUP_TABLE_SIZE] = { + [0x0] = INAT_MODRM, + [0x1] = INAT_MODRM, + [0x2] = INAT_MODRM | INAT_FORCE64, + [0x3] = INAT_MODRM, + [0x4] = INAT_MODRM | INAT_FORCE64, + [0x5] = INAT_MODRM, + [0x6] = INAT_MODRM | INAT_FORCE64, +}; + +/* GrpTable: Grp6 */ +const insn_attr_t inat_group_table_9[INAT_GROUP_TABLE_SIZE] = { + [0x0] = INAT_MODRM, + [0x1] = INAT_MODRM, + [0x2] = INAT_MODRM, + [0x3] = INAT_MODRM, + [0x4] = INAT_MODRM, + [0x5] = INAT_MODRM, +}; + +/* GrpTable: Grp7 */ +const insn_attr_t inat_group_table_10[INAT_GROUP_TABLE_SIZE] = { + [0x0] = INAT_MODRM, + [0x1] = INAT_MODRM, + [0x2] = INAT_MODRM, + [0x3] = INAT_MODRM, + [0x4] = INAT_MODRM, + [0x6] = INAT_MODRM, + [0x7] = INAT_MODRM, +}; + +/* GrpTable: Grp8 */ + +/* GrpTable: Grp9 */ +const insn_attr_t inat_group_table_21[INAT_GROUP_TABLE_SIZE] = { + [0x1] = INAT_MODRM, + [0x6] = INAT_MODRM | INAT_MODRM | INAT_VARIANT, + [0x7] = INAT_MODRM | INAT_VARIANT, +}; +const insn_attr_t inat_group_table_21_1[INAT_GROUP_TABLE_SIZE] = { + [0x6] = INAT_MODRM, +}; +const insn_attr_t inat_group_table_21_2[INAT_GROUP_TABLE_SIZE] = { + [0x6] = INAT_MODRM, + [0x7] = INAT_MODRM, +}; + +/* GrpTable: Grp10 */ + +/* GrpTable: Grp11 */ + +/* GrpTable: Grp12 */ +const insn_attr_t inat_group_table_13[INAT_GROUP_TABLE_SIZE] = { + [0x2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, + [0x4] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, + [0x6] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, +}; +const insn_attr_t inat_group_table_13_1[INAT_GROUP_TABLE_SIZE] = { + [0x2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x4] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x6] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, +}; + +/* GrpTable: Grp13 */ +const insn_attr_t inat_group_table_14[INAT_GROUP_TABLE_SIZE] = { + [0x2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, + [0x4] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, + [0x6] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, +}; +const insn_attr_t inat_group_table_14_1[INAT_GROUP_TABLE_SIZE] = { + [0x2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x4] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x6] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, +}; + +/* GrpTable: Grp14 */ +const insn_attr_t inat_group_table_15[INAT_GROUP_TABLE_SIZE] = { + [0x2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, + [0x3] = INAT_VARIANT, + [0x6] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VARIANT, + [0x7] = INAT_VARIANT, +}; +const insn_attr_t inat_group_table_15_1[INAT_GROUP_TABLE_SIZE] = { + [0x2] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x3] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x6] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, + [0x7] = INAT_MAKE_IMM(INAT_IMM_BYTE) | INAT_MODRM | INAT_VEXOK, +}; + +/* GrpTable: Grp15 */ +const insn_attr_t inat_group_table_18[INAT_GROUP_TABLE_SIZE] = { + [0x0] = INAT_VARIANT, + [0x1] = INAT_VARIANT, + [0x2] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, + [0x3] = INAT_MODRM | INAT_VEXOK | INAT_VARIANT, +}; +const insn_attr_t inat_group_table_18_2[INAT_GROUP_TABLE_SIZE] = { + [0x0] = INAT_MODRM, + [0x1] = INAT_MODRM, + [0x2] = INAT_MODRM, + [0x3] = INAT_MODRM, +}; + +/* GrpTable: Grp16 */ +const insn_attr_t inat_group_table_12[INAT_GROUP_TABLE_SIZE] = { + [0x0] = INAT_MODRM, + [0x1] = INAT_MODRM, + [0x2] = INAT_MODRM, + [0x3] = INAT_MODRM, +}; + +/* GrpTable: Grp17 */ +const insn_attr_t inat_group_table_22[INAT_GROUP_TABLE_SIZE] = { + [0x1] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x2] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, + [0x3] = INAT_MODRM | INAT_VEXOK | INAT_VEXONLY, +}; + +/* GrpTable: GrpP */ + +/* GrpTable: GrpPDLK */ + +/* GrpTable: GrpRNG */ + +/* Escape opcode map array */ +const insn_attr_t * const inat_escape_tables[INAT_ESC_MAX + 1][INAT_LSTPFX_MAX + 1] = { + [1][0] = inat_escape_table_1, + [1][1] = inat_escape_table_1_1, + [1][2] = inat_escape_table_1_2, + [1][3] = inat_escape_table_1_3, + [2][0] = inat_escape_table_2, + [2][1] = inat_escape_table_2_1, + [2][2] = inat_escape_table_2_2, + [2][3] = inat_escape_table_2_3, + [3][0] = inat_escape_table_3, + [3][1] = inat_escape_table_3_1, + [3][3] = inat_escape_table_3_3, +}; + +/* Group opcode map array */ +const insn_attr_t * const inat_group_tables[INAT_GRP_MAX + 1][INAT_LSTPFX_MAX + 1] = { + [5][0] = inat_group_table_5, + [6][0] = inat_group_table_6, + [7][0] = inat_group_table_7, + [8][0] = inat_group_table_8, + [9][0] = inat_group_table_9, + [10][0] = inat_group_table_10, + [12][0] = inat_group_table_12, + [13][0] = inat_group_table_13, + [13][1] = inat_group_table_13_1, + [14][0] = inat_group_table_14, + [14][1] = inat_group_table_14_1, + [15][0] = inat_group_table_15, + [15][1] = inat_group_table_15_1, + [18][0] = inat_group_table_18, + [18][2] = inat_group_table_18_2, + [21][0] = inat_group_table_21, + [21][1] = inat_group_table_21_1, + [21][2] = inat_group_table_21_2, + [22][0] = inat_group_table_22, +}; + +/* AVX opcode map array */ +const insn_attr_t * const inat_avx_tables[X86_VEX_M_MAX + 1][INAT_LSTPFX_MAX + 1] = { + [1][0] = inat_escape_table_1, + [1][1] = inat_escape_table_1_1, + [1][2] = inat_escape_table_1_2, + [1][3] = inat_escape_table_1_3, + [2][0] = inat_escape_table_2, + [2][1] = inat_escape_table_2_1, + [2][2] = inat_escape_table_2_2, + [2][3] = inat_escape_table_2_3, + [3][0] = inat_escape_table_3, + [3][1] = inat_escape_table_3_1, + [3][3] = inat_escape_table_3_3, +}; diff --git a/xen/arch/x86/inat.c b/xen/arch/x86/inat.c new file mode 100644 index 0000000..feeaa50 --- /dev/null +++ b/xen/arch/x86/inat.c @@ -0,0 +1,96 @@ +/* + * x86 instruction attribute tables + * + * Written by Masami Hiramatsu <mhiramat@xxxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ +#include <asm/insn.h> + +/* Attribute tables are generated from opcode map */ +#include "inat-tables.c" + +/* Attribute search APIs */ +insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode) +{ + return inat_primary_table[opcode]; +} + +int inat_get_last_prefix_id(insn_byte_t last_pfx) +{ + insn_attr_t lpfx_attr; + + lpfx_attr = inat_get_opcode_attribute(last_pfx); + return inat_last_prefix_id(lpfx_attr); +} + +insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, int lpfx_id, + insn_attr_t esc_attr) +{ + const insn_attr_t *table; + int n; + + n = inat_escape_id(esc_attr); + + table = inat_escape_tables[n][0]; + if (!table) + return 0; + if (inat_has_variant(table[opcode]) && lpfx_id) { + table = inat_escape_tables[n][lpfx_id]; + if (!table) + return 0; + } + return table[opcode]; +} + +insn_attr_t inat_get_group_attribute(insn_byte_t modrm, int lpfx_id, + insn_attr_t grp_attr) +{ + const insn_attr_t *table; + int n; + + n = inat_group_id(grp_attr); + + table = inat_group_tables[n][0]; + if (!table) + return inat_group_common_attribute(grp_attr); + if (inat_has_variant(table[X86_MODRM_REG(modrm)]) && lpfx_id) { + table = inat_group_tables[n][lpfx_id]; + if (!table) + return inat_group_common_attribute(grp_attr); + } + return table[X86_MODRM_REG(modrm)] | + inat_group_common_attribute(grp_attr); +} + +insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, insn_byte_t vex_m, + insn_byte_t vex_p) +{ + const insn_attr_t *table; + if (vex_m > X86_VEX_M_MAX || vex_p > INAT_LSTPFX_MAX) + return 0; + /* At first, this checks the master table */ + table = inat_avx_tables[vex_m][0]; + if (!table) + return 0; + if (!inat_is_group(table[opcode]) && vex_p) { + /* If this is not a group, get attribute directly */ + table = inat_avx_tables[vex_m][vex_p]; + if (!table) + return 0; + } + return table[opcode]; +} diff --git a/xen/arch/x86/insn.c b/xen/arch/x86/insn.c new file mode 100644 index 0000000..5aea2c7 --- /dev/null +++ b/xen/arch/x86/insn.c @@ -0,0 +1,576 @@ +/* + * x86 instruction analysis + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) IBM Corporation, 2002, 2004, 2009 + */ + +#include <xen/string.h> +#include <asm/inat.h> +#include <asm/insn.h> + +/* Verify next sizeof(t) bytes can be on the same instruction */ +#define validate_next(t, insn, n) \ + ((insn)->next_byte + sizeof(t) + n - (insn)->kaddr <= MAX_INSN_SIZE) + +#define __get_next(t, insn) \ + ({ t r = *(t*)insn->next_byte; insn->next_byte += sizeof(t); r; }) + +#define __peek_nbyte_next(t, insn, n) \ + ({ t r = *(t*)((insn)->next_byte + n); r; }) + +#define get_next(t, insn) \ + ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) + +#define peek_nbyte_next(t, insn, n) \ + ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); }) + +#define peek_next(t, insn) peek_nbyte_next(t, insn, 0) + +/** + * insn_init() - initialize struct insn + * @insn: &struct insn to be initialized + * @kaddr: address (in kernel memory) of instruction (or copy thereof) + * @x86_64: !0 for 64-bit kernel or 64-bit app + */ +void insn_init(struct insn *insn, const void *kaddr, int x86_64) +{ + memset(insn, 0, sizeof(*insn)); + insn->kaddr = kaddr; + insn->next_byte = kaddr; + insn->x86_64 = x86_64 ? 1 : 0; + insn->opnd_bytes = 4; + if (x86_64) + insn->addr_bytes = 8; + else + insn->addr_bytes = 4; +} + +/** + * insn_get_prefixes - scan x86 instruction prefix bytes + * @insn: &struct insn containing instruction + * + * Populates the @insn->prefixes bitmap, and updates @insn->next_byte + * to point to the (first) opcode. No effect if @insn->prefixes.got + * is already set. + */ +void insn_get_prefixes(struct insn *insn) +{ + struct insn_field *prefixes = &insn->prefixes; + insn_attr_t attr; + insn_byte_t b, lb; + int i, nb; + + if (prefixes->got) + return; + + nb = 0; + lb = 0; + b = peek_next(insn_byte_t, insn); + attr = inat_get_opcode_attribute(b); + while (inat_is_legacy_prefix(attr)) { + /* Skip if same prefix */ + for (i = 0; i < nb; i++) + if (prefixes->bytes[i] == b) + goto found; + if (nb == 4) + /* Invalid instruction */ + break; + prefixes->bytes[nb++] = b; + if (inat_is_address_size_prefix(attr)) { + /* address size switches 2/4 or 4/8 */ + if (insn->x86_64) + insn->addr_bytes ^= 12; + else + insn->addr_bytes ^= 6; + } else if (inat_is_operand_size_prefix(attr)) { + /* oprand size switches 2/4 */ + insn->opnd_bytes ^= 6; + } +found: + prefixes->nbytes++; + insn->next_byte++; + lb = b; + b = peek_next(insn_byte_t, insn); + attr = inat_get_opcode_attribute(b); + } + /* Set the last prefix */ + if (lb && lb != insn->prefixes.bytes[3]) { + if (unlikely(insn->prefixes.bytes[3])) { + /* Swap the last prefix */ + b = insn->prefixes.bytes[3]; + for (i = 0; i < nb; i++) + if (prefixes->bytes[i] == lb) + prefixes->bytes[i] = b; + } + insn->prefixes.bytes[3] = lb; + } + + /* Decode REX prefix */ + if (insn->x86_64) { + b = peek_next(insn_byte_t, insn); + attr = inat_get_opcode_attribute(b); + if (inat_is_rex_prefix(attr)) { + insn->rex_prefix.value = b; + insn->rex_prefix.nbytes = 1; + insn->next_byte++; + if (X86_REX_W(b)) + /* REX.W overrides opnd_size */ + insn->opnd_bytes = 8; + } + } + insn->rex_prefix.got = 1; + + /* Decode VEX prefix */ + b = peek_next(insn_byte_t, insn); + attr = inat_get_opcode_attribute(b); + if (inat_is_vex_prefix(attr)) { + insn_byte_t b2 = peek_nbyte_next(insn_byte_t, insn, 1); + if (!insn->x86_64) { + /* + * In 32-bits mode, if the [7:6] bits (mod bits of + * ModRM) on the second byte are not 11b, it is + * LDS or LES. + */ + if (X86_MODRM_MOD(b2) != 3) + goto vex_end; + } + insn->vex_prefix.bytes[0] = b; + insn->vex_prefix.bytes[1] = b2; + if (inat_is_vex3_prefix(attr)) { + b2 = peek_nbyte_next(insn_byte_t, insn, 2); + insn->vex_prefix.bytes[2] = b2; + insn->vex_prefix.nbytes = 3; + insn->next_byte += 3; + if (insn->x86_64 && X86_VEX_W(b2)) + /* VEX.W overrides opnd_size */ + insn->opnd_bytes = 8; + } else { + insn->vex_prefix.nbytes = 2; + insn->next_byte += 2; + } + } +vex_end: + insn->vex_prefix.got = 1; + + prefixes->got = 1; + +err_out: + return; +} + +/** + * insn_get_opcode - collect opcode(s) + * @insn: &struct insn containing instruction + * + * Populates @insn->opcode, updates @insn->next_byte to point past the + * opcode byte(s), and set @insn->attr (except for groups). + * If necessary, first collects any preceding (prefix) bytes. + * Sets @insn->opcode.value = opcode1. No effect if @insn->opcode.got + * is already 1. + */ +void insn_get_opcode(struct insn *insn) +{ + struct insn_field *opcode = &insn->opcode; + insn_byte_t op; + int pfx_id; + if (opcode->got) + return; + if (!insn->prefixes.got) + insn_get_prefixes(insn); + + /* Get first opcode */ + op = get_next(insn_byte_t, insn); + opcode->bytes[0] = op; + opcode->nbytes = 1; + + /* Check if there is VEX prefix or not */ + if (insn_is_avx(insn)) { + insn_byte_t m, p; + m = insn_vex_m_bits(insn); + p = insn_vex_p_bits(insn); + insn->attr = inat_get_avx_attribute(op, m, p); + if (!inat_accept_vex(insn->attr) && !inat_is_group(insn->attr)) + insn->attr = 0; /* This instruction is bad */ + goto end; /* VEX has only 1 byte for opcode */ + } + + insn->attr = inat_get_opcode_attribute(op); + while (inat_is_escape(insn->attr)) { + /* Get escaped opcode */ + op = get_next(insn_byte_t, insn); + opcode->bytes[opcode->nbytes++] = op; + pfx_id = insn_last_prefix_id(insn); + insn->attr = inat_get_escape_attribute(op, pfx_id, insn->attr); + } + if (inat_must_vex(insn->attr)) + insn->attr = 0; /* This instruction is bad */ +end: + opcode->got = 1; + +err_out: + return; +} + +/** + * insn_get_modrm - collect ModRM byte, if any + * @insn: &struct insn containing instruction + * + * Populates @insn->modrm and updates @insn->next_byte to point past the + * ModRM byte, if any. If necessary, first collects the preceding bytes + * (prefixes and opcode(s)). No effect if @insn->modrm.got is already 1. + */ +void insn_get_modrm(struct insn *insn) +{ + struct insn_field *modrm = &insn->modrm; + insn_byte_t pfx_id, mod; + if (modrm->got) + return; + if (!insn->opcode.got) + insn_get_opcode(insn); + + if (inat_has_modrm(insn->attr)) { + mod = get_next(insn_byte_t, insn); + modrm->value = mod; + modrm->nbytes = 1; + if (inat_is_group(insn->attr)) { + pfx_id = insn_last_prefix_id(insn); + insn->attr = inat_get_group_attribute(mod, pfx_id, + insn->attr); + if (insn_is_avx(insn) && !inat_accept_vex(insn->attr)) + insn->attr = 0; /* This is bad */ + } + } + + if (insn->x86_64 && inat_is_force64(insn->attr)) + insn->opnd_bytes = 8; + modrm->got = 1; + +err_out: + return; +} + + +/** + * insn_rip_relative() - Does instruction use RIP-relative addressing mode? + * @insn: &struct insn containing instruction + * + * If necessary, first collects the instruction up to and including the + * ModRM byte. No effect if @insn->x86_64 is 0. + */ +int insn_rip_relative(struct insn *insn) +{ + struct insn_field *modrm = &insn->modrm; + + if (!insn->x86_64) + return 0; + if (!modrm->got) + insn_get_modrm(insn); + /* + * For rip-relative instructions, the mod field (top 2 bits) + * is zero and the r/m field (bottom 3 bits) is 0x5. + */ + return (modrm->nbytes && (modrm->value & 0xc7) == 0x5); +} + +/** + * insn_get_sib() - Get the SIB byte of instruction + * @insn: &struct insn containing instruction + * + * If necessary, first collects the instruction up to and including the + * ModRM byte. + */ +void insn_get_sib(struct insn *insn) +{ + insn_byte_t modrm; + + if (insn->sib.got) + return; + if (!insn->modrm.got) + insn_get_modrm(insn); + if (insn->modrm.nbytes) { + modrm = (insn_byte_t)insn->modrm.value; + if (insn->addr_bytes != 2 && + X86_MODRM_MOD(modrm) != 3 && X86_MODRM_RM(modrm) == 4) { + insn->sib.value = get_next(insn_byte_t, insn); + insn->sib.nbytes = 1; + } + } + insn->sib.got = 1; + +err_out: + return; +} + + +/** + * insn_get_displacement() - Get the displacement of instruction + * @insn: &struct insn containing instruction + * + * If necessary, first collects the instruction up to and including the + * SIB byte. + * Displacement value is sign-expanded. + */ +void insn_get_displacement(struct insn *insn) +{ + insn_byte_t mod, rm, base; + + if (insn->displacement.got) + return; + if (!insn->sib.got) + insn_get_sib(insn); + if (insn->modrm.nbytes) { + /* + * Interpreting the modrm byte: + * mod = 00 - no displacement fields (exceptions below) + * mod = 01 - 1-byte displacement field + * mod = 10 - displacement field is 4 bytes, or 2 bytes if + * address size = 2 (0x67 prefix in 32-bit mode) + * mod = 11 - no memory operand + * + * If address size = 2... + * mod = 00, r/m = 110 - displacement field is 2 bytes + * + * If address size != 2... + * mod != 11, r/m = 100 - SIB byte exists + * mod = 00, SIB base = 101 - displacement field is 4 bytes + * mod = 00, r/m = 101 - rip-relative addressing, displacement + * field is 4 bytes + */ + mod = X86_MODRM_MOD(insn->modrm.value); + rm = X86_MODRM_RM(insn->modrm.value); + base = X86_SIB_BASE(insn->sib.value); + if (mod == 3) + goto out; + if (mod == 1) { + insn->displacement.value = get_next(char, insn); + insn->displacement.nbytes = 1; + } else if (insn->addr_bytes == 2) { + if ((mod == 0 && rm == 6) || mod == 2) { + insn->displacement.value = + get_next(short, insn); + insn->displacement.nbytes = 2; + } + } else { + if ((mod == 0 && rm == 5) || mod == 2 || + (mod == 0 && base == 5)) { + insn->displacement.value = get_next(int, insn); + insn->displacement.nbytes = 4; + } + } + } +out: + insn->displacement.got = 1; + +err_out: + return; +} + +/* Decode moffset16/32/64. Return 0 if failed */ +static int __get_moffset(struct insn *insn) +{ + switch (insn->addr_bytes) { + case 2: + insn->moffset1.value = get_next(short, insn); + insn->moffset1.nbytes = 2; + break; + case 4: + insn->moffset1.value = get_next(int, insn); + insn->moffset1.nbytes = 4; + break; + case 8: + insn->moffset1.value = get_next(int, insn); + insn->moffset1.nbytes = 4; + insn->moffset2.value = get_next(int, insn); + insn->moffset2.nbytes = 4; + break; + default: /* opnd_bytes must be modified manually */ + goto err_out; + } + insn->moffset1.got = insn->moffset2.got = 1; + + return 1; + +err_out: + return 0; +} + +/* Decode imm v32(Iz). Return 0 if failed */ +static int __get_immv32(struct insn *insn) +{ + switch (insn->opnd_bytes) { + case 2: + insn->immediate.value = get_next(short, insn); + insn->immediate.nbytes = 2; + break; + case 4: + case 8: + insn->immediate.value = get_next(int, insn); + insn->immediate.nbytes = 4; + break; + default: /* opnd_bytes must be modified manually */ + goto err_out; + } + + return 1; + +err_out: + return 0; +} + +/* Decode imm v64(Iv/Ov), Return 0 if failed */ +static int __get_immv(struct insn *insn) +{ + switch (insn->opnd_bytes) { + case 2: + insn->immediate1.value = get_next(short, insn); + insn->immediate1.nbytes = 2; + break; + case 4: + insn->immediate1.value = get_next(int, insn); + insn->immediate1.nbytes = 4; + break; + case 8: + insn->immediate1.value = get_next(int, insn); + insn->immediate1.nbytes = 4; + insn->immediate2.value = get_next(int, insn); + insn->immediate2.nbytes = 4; + break; + default: /* opnd_bytes must be modified manually */ + goto err_out; + } + insn->immediate1.got = insn->immediate2.got = 1; + + return 1; +err_out: + return 0; +} + +/* Decode ptr16:16/32(Ap) */ +static int __get_immptr(struct insn *insn) +{ + switch (insn->opnd_bytes) { + case 2: + insn->immediate1.value = get_next(short, insn); + insn->immediate1.nbytes = 2; + break; + case 4: + insn->immediate1.value = get_next(int, insn); + insn->immediate1.nbytes = 4; + break; + case 8: + /* ptr16:64 is not exist (no segment) */ + return 0; + default: /* opnd_bytes must be modified manually */ + goto err_out; + } + insn->immediate2.value = get_next(unsigned short, insn); + insn->immediate2.nbytes = 2; + insn->immediate1.got = insn->immediate2.got = 1; + + return 1; +err_out: + return 0; +} + +/** + * insn_get_immediate() - Get the immediates of instruction + * @insn: &struct insn containing instruction + * + * If necessary, first collects the instruction up to and including the + * displacement bytes. + * Basically, most of immediates are sign-expanded. Unsigned-value can be + * get by bit masking with ((1 << (nbytes * 8)) - 1) + */ +void insn_get_immediate(struct insn *insn) +{ + if (insn->immediate.got) + return; + if (!insn->displacement.got) + insn_get_displacement(insn); + + if (inat_has_moffset(insn->attr)) { + if (!__get_moffset(insn)) + goto err_out; + goto done; + } + + if (!inat_has_immediate(insn->attr)) + /* no immediates */ + goto done; + + switch (inat_immediate_size(insn->attr)) { + case INAT_IMM_BYTE: + insn->immediate.value = get_next(char, insn); + insn->immediate.nbytes = 1; + break; + case INAT_IMM_WORD: + insn->immediate.value = get_next(short, insn); + insn->immediate.nbytes = 2; + break; + case INAT_IMM_DWORD: + insn->immediate.value = get_next(int, insn); + insn->immediate.nbytes = 4; + break; + case INAT_IMM_QWORD: + insn->immediate1.value = get_next(int, insn); + insn->immediate1.nbytes = 4; + insn->immediate2.value = get_next(int, insn); + insn->immediate2.nbytes = 4; + break; + case INAT_IMM_PTR: + if (!__get_immptr(insn)) + goto err_out; + break; + case INAT_IMM_VWORD32: + if (!__get_immv32(insn)) + goto err_out; + break; + case INAT_IMM_VWORD: + if (!__get_immv(insn)) + goto err_out; + break; + default: + /* Here, insn must have an immediate, but failed */ + goto err_out; + } + if (inat_has_second_immediate(insn->attr)) { + insn->immediate2.value = get_next(char, insn); + insn->immediate2.nbytes = 1; + } +done: + insn->immediate.got = 1; + +err_out: + return; +} + +/** + * insn_get_length() - Get the length of instruction + * @insn: &struct insn containing instruction + * + * If necessary, first collects the instruction up to and including the + * immediates bytes. + */ +void insn_get_length(struct insn *insn) +{ + if (insn->length) + return; + if (!insn->immediate.got) + insn_get_immediate(insn); + insn->length = (unsigned char)((unsigned long)insn->next_byte + - (unsigned long)insn->kaddr); +} diff --git a/xen/include/asm-x86/hvm/emulate.h b/xen/include/asm-x86/hvm/emulate.h index 00a06cc..db89184 100644 --- a/xen/include/asm-x86/hvm/emulate.h +++ b/xen/include/asm-x86/hvm/emulate.h @@ -37,6 +37,9 @@ struct hvm_emulate_ctxt { int hvm_emulate_one( struct hvm_emulate_ctxt *hvmemul_ctxt); +int hvm_emulate_one_no_write( + struct hvm_emulate_ctxt *hvmemul_ctxt); +void hvm_emulate_one_full(bool_t nowrite); void hvm_emulate_prepare( struct hvm_emulate_ctxt *hvmemul_ctxt, struct cpu_user_regs *regs); @@ -45,6 +48,8 @@ void hvm_emulate_writeback( struct segment_register *hvmemul_get_seg_reg( enum x86_segment seg, struct hvm_emulate_ctxt *hvmemul_ctxt); +int hvm_get_insn_length( + struct hvm_emulate_ctxt *hvmemul_ctxt); int hvmemul_do_pio( unsigned long port, unsigned long *reps, int size, diff --git a/xen/include/asm-x86/inat.h b/xen/include/asm-x86/inat.h new file mode 100644 index 0000000..74a2e31 --- /dev/null +++ b/xen/include/asm-x86/inat.h @@ -0,0 +1,221 @@ +#ifndef _ASM_X86_INAT_H +#define _ASM_X86_INAT_H +/* + * x86 instruction attributes + * + * Written by Masami Hiramatsu <mhiramat@xxxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ +#include <asm/inat_types.h> + +/* + * Internal bits. Don't use bitmasks directly, because these bits are + * unstable. You should use checking functions. + */ + +#define INAT_OPCODE_TABLE_SIZE 256 +#define INAT_GROUP_TABLE_SIZE 8 + +/* Legacy last prefixes */ +#define INAT_PFX_OPNDSZ 1 /* 0x66 */ /* LPFX1 */ +#define INAT_PFX_REPE 2 /* 0xF3 */ /* LPFX2 */ +#define INAT_PFX_REPNE 3 /* 0xF2 */ /* LPFX3 */ +/* Other Legacy prefixes */ +#define INAT_PFX_LOCK 4 /* 0xF0 */ +#define INAT_PFX_CS 5 /* 0x2E */ +#define INAT_PFX_DS 6 /* 0x3E */ +#define INAT_PFX_ES 7 /* 0x26 */ +#define INAT_PFX_FS 8 /* 0x64 */ +#define INAT_PFX_GS 9 /* 0x65 */ +#define INAT_PFX_SS 10 /* 0x36 */ +#define INAT_PFX_ADDRSZ 11 /* 0x67 */ +/* x86-64 REX prefix */ +#define INAT_PFX_REX 12 /* 0x4X */ +/* AVX VEX prefixes */ +#define INAT_PFX_VEX2 13 /* 2-bytes VEX prefix */ +#define INAT_PFX_VEX3 14 /* 3-bytes VEX prefix */ + +#define INAT_LSTPFX_MAX 3 +#define INAT_LGCPFX_MAX 11 + +/* Immediate size */ +#define INAT_IMM_BYTE 1 +#define INAT_IMM_WORD 2 +#define INAT_IMM_DWORD 3 +#define INAT_IMM_QWORD 4 +#define INAT_IMM_PTR 5 +#define INAT_IMM_VWORD32 6 +#define INAT_IMM_VWORD 7 + +/* Legacy prefix */ +#define INAT_PFX_OFFS 0 +#define INAT_PFX_BITS 4 +#define INAT_PFX_MAX ((1 << INAT_PFX_BITS) - 1) +#define INAT_PFX_MASK (INAT_PFX_MAX << INAT_PFX_OFFS) +/* Escape opcodes */ +#define INAT_ESC_OFFS (INAT_PFX_OFFS + INAT_PFX_BITS) +#define INAT_ESC_BITS 2 +#define INAT_ESC_MAX ((1 << INAT_ESC_BITS) - 1) +#define INAT_ESC_MASK (INAT_ESC_MAX << INAT_ESC_OFFS) +/* Group opcodes (1-16) */ +#define INAT_GRP_OFFS (INAT_ESC_OFFS + INAT_ESC_BITS) +#define INAT_GRP_BITS 5 +#define INAT_GRP_MAX ((1 << INAT_GRP_BITS) - 1) +#define INAT_GRP_MASK (INAT_GRP_MAX << INAT_GRP_OFFS) +/* Immediates */ +#define INAT_IMM_OFFS (INAT_GRP_OFFS + INAT_GRP_BITS) +#define INAT_IMM_BITS 3 +#define INAT_IMM_MASK (((1 << INAT_IMM_BITS) - 1) << INAT_IMM_OFFS) +/* Flags */ +#define INAT_FLAG_OFFS (INAT_IMM_OFFS + INAT_IMM_BITS) +#define INAT_MODRM (1 << (INAT_FLAG_OFFS)) +#define INAT_FORCE64 (1 << (INAT_FLAG_OFFS + 1)) +#define INAT_SCNDIMM (1 << (INAT_FLAG_OFFS + 2)) +#define INAT_MOFFSET (1 << (INAT_FLAG_OFFS + 3)) +#define INAT_VARIANT (1 << (INAT_FLAG_OFFS + 4)) +#define INAT_VEXOK (1 << (INAT_FLAG_OFFS + 5)) +#define INAT_VEXONLY (1 << (INAT_FLAG_OFFS + 6)) +/* Attribute making macros for attribute tables */ +#define INAT_MAKE_PREFIX(pfx) (pfx << INAT_PFX_OFFS) +#define INAT_MAKE_ESCAPE(esc) (esc << INAT_ESC_OFFS) +#define INAT_MAKE_GROUP(grp) ((grp << INAT_GRP_OFFS) | INAT_MODRM) +#define INAT_MAKE_IMM(imm) (imm << INAT_IMM_OFFS) + +/* Attribute search APIs */ +extern insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode); +extern int inat_get_last_prefix_id(insn_byte_t last_pfx); +extern insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, + int lpfx_id, + insn_attr_t esc_attr); +extern insn_attr_t inat_get_group_attribute(insn_byte_t modrm, + int lpfx_id, + insn_attr_t esc_attr); +extern insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, + insn_byte_t vex_m, + insn_byte_t vex_pp); + +/* Attribute checking functions */ +static inline int inat_is_legacy_prefix(insn_attr_t attr) +{ + attr &= INAT_PFX_MASK; + return attr && attr <= INAT_LGCPFX_MAX; +} + +static inline int inat_is_address_size_prefix(insn_attr_t attr) +{ + return (attr & INAT_PFX_MASK) == INAT_PFX_ADDRSZ; +} + +static inline int inat_is_operand_size_prefix(insn_attr_t attr) +{ + return (attr & INAT_PFX_MASK) == INAT_PFX_OPNDSZ; +} + +static inline int inat_is_rex_prefix(insn_attr_t attr) +{ + return (attr & INAT_PFX_MASK) == INAT_PFX_REX; +} + +static inline int inat_last_prefix_id(insn_attr_t attr) +{ + if ((attr & INAT_PFX_MASK) > INAT_LSTPFX_MAX) + return 0; + else + return attr & INAT_PFX_MASK; +} + +static inline int inat_is_vex_prefix(insn_attr_t attr) +{ + attr &= INAT_PFX_MASK; + return attr == INAT_PFX_VEX2 || attr == INAT_PFX_VEX3; +} + +static inline int inat_is_vex3_prefix(insn_attr_t attr) +{ + return (attr & INAT_PFX_MASK) == INAT_PFX_VEX3; +} + +static inline int inat_is_escape(insn_attr_t attr) +{ + return attr & INAT_ESC_MASK; +} + +static inline int inat_escape_id(insn_attr_t attr) +{ + return (attr & INAT_ESC_MASK) >> INAT_ESC_OFFS; +} + +static inline int inat_is_group(insn_attr_t attr) +{ + return attr & INAT_GRP_MASK; +} + +static inline int inat_group_id(insn_attr_t attr) +{ + return (attr & INAT_GRP_MASK) >> INAT_GRP_OFFS; +} + +static inline int inat_group_common_attribute(insn_attr_t attr) +{ + return attr & ~INAT_GRP_MASK; +} + +static inline int inat_has_immediate(insn_attr_t attr) +{ + return attr & INAT_IMM_MASK; +} + +static inline int inat_immediate_size(insn_attr_t attr) +{ + return (attr & INAT_IMM_MASK) >> INAT_IMM_OFFS; +} + +static inline int inat_has_modrm(insn_attr_t attr) +{ + return attr & INAT_MODRM; +} + +static inline int inat_is_force64(insn_attr_t attr) +{ + return attr & INAT_FORCE64; +} + +static inline int inat_has_second_immediate(insn_attr_t attr) +{ + return attr & INAT_SCNDIMM; +} + +static inline int inat_has_moffset(insn_attr_t attr) +{ + return attr & INAT_MOFFSET; +} + +static inline int inat_has_variant(insn_attr_t attr) +{ + return attr & INAT_VARIANT; +} + +static inline int inat_accept_vex(insn_attr_t attr) +{ + return attr & INAT_VEXOK; +} + +static inline int inat_must_vex(insn_attr_t attr) +{ + return attr & INAT_VEXONLY; +} +#endif diff --git a/xen/include/asm-x86/inat_types.h b/xen/include/asm-x86/inat_types.h new file mode 100644 index 0000000..cb3c20c --- /dev/null +++ b/xen/include/asm-x86/inat_types.h @@ -0,0 +1,29 @@ +#ifndef _ASM_X86_INAT_TYPES_H +#define _ASM_X86_INAT_TYPES_H +/* + * x86 instruction attributes + * + * Written by Masami Hiramatsu <mhiramat@xxxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +/* Instruction attributes */ +typedef unsigned int insn_attr_t; +typedef unsigned char insn_byte_t; +typedef signed int insn_value_t; + +#endif diff --git a/xen/include/asm-x86/insn.h b/xen/include/asm-x86/insn.h new file mode 100644 index 0000000..48eb30a --- /dev/null +++ b/xen/include/asm-x86/insn.h @@ -0,0 +1,199 @@ +#ifndef _ASM_X86_INSN_H +#define _ASM_X86_INSN_H +/* + * x86 instruction analysis + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) IBM Corporation, 2009 + */ + +/* insn_attr_t is defined in inat.h */ +#include <asm/inat.h> + +struct insn_field { + union { + insn_value_t value; + insn_byte_t bytes[4]; + }; + /* !0 if we've run insn_get_xxx() for this field */ + unsigned char got; + unsigned char nbytes; +}; + +struct insn { + struct insn_field prefixes; /* + * Prefixes + * prefixes.bytes[3]: last prefix + */ + struct insn_field rex_prefix; /* REX prefix */ + struct insn_field vex_prefix; /* VEX prefix */ + struct insn_field opcode; /* + * opcode.bytes[0]: opcode1 + * opcode.bytes[1]: opcode2 + * opcode.bytes[2]: opcode3 + */ + struct insn_field modrm; + struct insn_field sib; + struct insn_field displacement; + union { + struct insn_field immediate; + struct insn_field moffset1; /* for 64bit MOV */ + struct insn_field immediate1; /* for 64bit imm or off16/32 */ + }; + union { + struct insn_field moffset2; /* for 64bit MOV */ + struct insn_field immediate2; /* for 64bit imm or seg16 */ + }; + + insn_attr_t attr; + unsigned char opnd_bytes; + unsigned char addr_bytes; + unsigned char length; + unsigned char x86_64; + + const insn_byte_t *kaddr; /* kernel address of insn to analyze */ + const insn_byte_t *next_byte; +}; + +#define MAX_INSN_SIZE 16 + +#define X86_MODRM_MOD(modrm) (((modrm) & 0xc0) >> 6) +#define X86_MODRM_REG(modrm) (((modrm) & 0x38) >> 3) +#define X86_MODRM_RM(modrm) ((modrm) & 0x07) + +#define X86_SIB_SCALE(sib) (((sib) & 0xc0) >> 6) +#define X86_SIB_INDEX(sib) (((sib) & 0x38) >> 3) +#define X86_SIB_BASE(sib) ((sib) & 0x07) + +#define X86_REX_W(rex) ((rex) & 8) +#define X86_REX_R(rex) ((rex) & 4) +#define X86_REX_X(rex) ((rex) & 2) +#define X86_REX_B(rex) ((rex) & 1) + +/* VEX bit flags */ +#define X86_VEX_W(vex) ((vex) & 0x80) /* VEX3 Byte2 */ +#define X86_VEX_R(vex) ((vex) & 0x80) /* VEX2/3 Byte1 */ +#define X86_VEX_X(vex) ((vex) & 0x40) /* VEX3 Byte1 */ +#define X86_VEX_B(vex) ((vex) & 0x20) /* VEX3 Byte1 */ +#define X86_VEX_L(vex) ((vex) & 0x04) /* VEX3 Byte2, VEX2 Byte1 */ +/* VEX bit fields */ +#define X86_VEX3_M(vex) ((vex) & 0x1f) /* VEX3 Byte1 */ +#define X86_VEX2_M 1 /* VEX2.M always 1 */ +#define X86_VEX_V(vex) (((vex) & 0x78) >> 3) /* VEX3 Byte2, VEX2 Byte1 */ +#define X86_VEX_P(vex) ((vex) & 0x03) /* VEX3 Byte2, VEX2 Byte1 */ +#define X86_VEX_M_MAX 0x1f /* VEX3.M Maximum value */ + +extern void insn_init(struct insn *insn, const void *kaddr, int x86_64); +extern void insn_get_prefixes(struct insn *insn); +extern void insn_get_opcode(struct insn *insn); +extern void insn_get_modrm(struct insn *insn); +extern void insn_get_sib(struct insn *insn); +extern void insn_get_displacement(struct insn *insn); +extern void insn_get_immediate(struct insn *insn); +extern void insn_get_length(struct insn *insn); + +/* Attribute will be determined after getting ModRM (for opcode groups) */ +static inline void insn_get_attribute(struct insn *insn) +{ + insn_get_modrm(insn); +} + +/* Instruction uses RIP-relative addressing */ +extern int insn_rip_relative(struct insn *insn); + +/* Init insn for kernel text */ +static inline void kernel_insn_init(struct insn *insn, const void *kaddr) +{ +#ifdef CONFIG_X86_64 + insn_init(insn, kaddr, 1); +#else /* CONFIG_X86_32 */ + insn_init(insn, kaddr, 0); +#endif +} + +static inline int insn_is_avx(struct insn *insn) +{ + if (!insn->prefixes.got) + insn_get_prefixes(insn); + return (insn->vex_prefix.value != 0); +} + +/* Ensure this instruction is decoded completely */ +static inline int insn_complete(struct insn *insn) +{ + return insn->opcode.got && insn->modrm.got && insn->sib.got && + insn->displacement.got && insn->immediate.got; +} + +static inline insn_byte_t insn_vex_m_bits(struct insn *insn) +{ + if (insn->vex_prefix.nbytes == 2) /* 2 bytes VEX */ + return X86_VEX2_M; + else + return X86_VEX3_M(insn->vex_prefix.bytes[1]); +} + +static inline insn_byte_t insn_vex_p_bits(struct insn *insn) +{ + if (insn->vex_prefix.nbytes == 2) /* 2 bytes VEX */ + return X86_VEX_P(insn->vex_prefix.bytes[1]); + else + return X86_VEX_P(insn->vex_prefix.bytes[2]); +} + +/* Get the last prefix id from last prefix or VEX prefix */ +static inline int insn_last_prefix_id(struct insn *insn) +{ + if (insn_is_avx(insn)) + return insn_vex_p_bits(insn); /* VEX_p is a SIMD prefix id */ + + if (insn->prefixes.bytes[3]) + return inat_get_last_prefix_id(insn->prefixes.bytes[3]); + + return 0; +} + +/* Offset of each field from kaddr */ +static inline int insn_offset_rex_prefix(struct insn *insn) +{ + return insn->prefixes.nbytes; +} +static inline int insn_offset_vex_prefix(struct insn *insn) +{ + return insn_offset_rex_prefix(insn) + insn->rex_prefix.nbytes; +} +static inline int insn_offset_opcode(struct insn *insn) +{ + return insn_offset_vex_prefix(insn) + insn->vex_prefix.nbytes; +} +static inline int insn_offset_modrm(struct insn *insn) +{ + return insn_offset_opcode(insn) + insn->opcode.nbytes; +} +static inline int insn_offset_sib(struct insn *insn) +{ + return insn_offset_modrm(insn) + insn->modrm.nbytes; +} +static inline int insn_offset_displacement(struct insn *insn) +{ + return insn_offset_sib(insn) + insn->sib.nbytes; +} +static inline int insn_offset_immediate(struct insn *insn) +{ + return insn_offset_displacement(insn) + insn->displacement.nbytes; +} + +#endif /* _ASM_X86_INSN_H */ -- 1.7.9.5 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel

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