X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0c530ab8987f0ae6a1a3d9284f40182b88852816..eb6b6ca394357805f2bdba989abae309f718b4d8:/osfmk/mach/i386/fp_reg.h diff --git a/osfmk/mach/i386/fp_reg.h b/osfmk/mach/i386/fp_reg.h index 3ab06f2b0..c704e42c6 100644 --- a/osfmk/mach/i386/fp_reg.h +++ b/osfmk/mach/i386/fp_reg.h @@ -1,135 +1,197 @@ /* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. - * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. - * - * @APPLE_LICENSE_HEADER_END@ + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ -/* +/* * Mach Operating System * Copyright (c) 1992-1989 Carnegie Mellon University * All Rights Reserved. - * + * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. - * + * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * + * * Carnegie Mellon requests users of this software to return to - * + * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 - * + * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* */ -#ifndef _I386_FP_SAVE_H_ -#define _I386_FP_SAVE_H_ - - -/* note when allocating this data structure, it must be 16 byte aligned. */ -struct x86_fx_save { - unsigned short fx_control; /* control */ - unsigned short fx_status; /* status */ - unsigned char fx_tag; /* register tags */ - unsigned char fx_bbz1; /* better be zero when calling fxrtstor */ - unsigned short fx_opcode; - unsigned int fx_eip; /* eip instruction */ - unsigned short fx_cs; /* cs instruction */ - unsigned short fx_bbz2; /* better be zero when calling fxrtstor */ - unsigned int fx_dp; /* data address */ - unsigned short fx_ds; /* data segment */ - unsigned short fx_bbz3; /* better be zero when calling fxrtstor */ - unsigned int fx_MXCSR; - unsigned int fx_MXCSR_MASK; - unsigned short fx_reg_word[8][8]; /* STx/MMx registers */ - unsigned short fx_XMM_reg[8][16]; /* XMM0-XMM15 on 64 bit processors */ - /* XMM0-XMM7 on 32 bit processors... unused storage reserved */ - unsigned char fx_reserved[16*6]; /* reserved by intel for future expansion */ +#ifndef _I386_FP_SAVE_H_ +#define _I386_FP_SAVE_H_ + +#ifdef MACH_KERNEL_PRIVATE + + +struct x86_fx_thread_state { + unsigned short fx_control; /* control */ + unsigned short fx_status; /* status */ + unsigned char fx_tag; /* register tags */ + unsigned char fx_bbz1; /* better be zero when calling fxrtstor */ + unsigned short fx_opcode; + union { + struct { /* 32-bit layout: */ + unsigned int fx_eip; /* eip instruction */ + unsigned short fx_cs; /* cs instruction */ + unsigned short fx_bbz2;/* better be zero when calling fxrtstor */ + unsigned int fx_dp; /* data address */ + unsigned short fx_ds; /* data segment */ + unsigned short fx_bbz3;/* better be zero when calling fxrtstor */ + }; + struct { /* 64-bit layout: */ + uint64_t fx_rip; /* instruction pointer */ + uint64_t fx_rdp; /* data pointer */ + }; + }; + unsigned int fx_MXCSR; + unsigned int fx_MXCSR_MASK; + unsigned short fx_reg_word[8][8]; /* STx/MMx registers */ + unsigned short fx_XMM_reg[8][16]; /* XMM0-XMM15 on 64 bit processors */ + /* XMM0-XMM7 on 32 bit processors... unused storage reserved */ + + unsigned char fx_reserved[16 * 5]; /* reserved by intel for future + * expansion */ + unsigned int fp_valid; + unsigned int fp_save_layout; + unsigned char fx_pad[8]; +}__attribute__ ((packed)); + +struct xsave_header { + uint64_t xstate_bv; + uint64_t xcomp_bv; + uint8_t xhrsvd[48]; }; +typedef struct { uint64_t lo64, hi64; }__attribute__ ((packed)) reg128_t; +typedef struct { reg128_t lo128, hi128; }__attribute__ ((packed)) reg256_t; +typedef struct { reg256_t lo256, hi256; }__attribute__ ((packed)) reg512_t; + +struct x86_avx_thread_state { + struct x86_fx_thread_state fp; + struct xsave_header _xh; /* Offset 512, xsave header */ + reg128_t x_YMM_Hi128[16]; /* Offset 576, high YMMs `*/ + /* Offset 832, end */ +}__attribute__ ((packed)); + +struct x86_avx512_thread_state { + struct x86_fx_thread_state fp; + struct xsave_header _xh; /* Offset 512, xsave header */ + reg128_t x_YMM_Hi128[16]; /* Offset 576, high YMMs */ + + uint64_t x_pad[16]; /* Offset 832, unused AMD LWP */ + uint64_t x_BNDREGS[8]; /* Offset 960, unused MPX */ + uint64_t x_BNDCTL[8]; /* Offset 1024, unused MPX */ + + uint64_t x_Opmask[8]; /* Offset 1088, K0-K7 */ + reg256_t x_ZMM_Hi256[16]; /* Offset 1152, ZMM0..15[511:256] */ + reg512_t x_Hi16_ZMM[16]; /* Offset 1664, ZMM16..31[511:0] */ + /* Offset 2688, end */ +}__attribute__ ((packed)); + +typedef union { + struct x86_fx_thread_state fx; + struct x86_avx_thread_state avx; + struct x86_avx512_thread_state avx512; +} x86_ext_thread_state_t; + +#define EVEX_PREFIX 0x62 /* AVX512's EVEX vector operation prefix */ +#define VEX2_PREFIX 0xC5 /* VEX 2-byte prefix for Opmask instructions */ +#define VEX3_PREFIX 0xC4 /* VEX 3-byte prefix for Opmask instructions */ +#endif /* MACH_KERNEL_PRIVATE */ /* * Control register */ -#define FPC_IE 0x0001 /* enable invalid operation - exception */ -#define FPC_IM FPC_IE -#define FPC_DE 0x0002 /* enable denormalized operation - exception */ -#define FPC_DM FPC_DE -#define FPC_ZE 0x0004 /* enable zero-divide exception */ -#define FPC_ZM FPC_ZE -#define FPC_OE 0x0008 /* enable overflow exception */ -#define FPC_OM FPC_OE -#define FPC_UE 0x0010 /* enable underflow exception */ -#define FPC_PE 0x0020 /* enable precision exception */ -#define FPC_PC 0x0300 /* precision control: */ -#define FPC_PC_24 0x0000 /* 24 bits */ -#define FPC_PC_53 0x0200 /* 53 bits */ -#define FPC_PC_64 0x0300 /* 64 bits */ -#define FPC_RC 0x0c00 /* rounding control: */ -#define FPC_RC_RN 0x0000 /* round to nearest or even */ -#define FPC_RC_RD 0x0400 /* round down */ -#define FPC_RC_RU 0x0800 /* round up */ -#define FPC_RC_CHOP 0x0c00 /* chop */ -#define FPC_IC 0x1000 /* infinity control (obsolete) */ -#define FPC_IC_PROJ 0x0000 /* projective infinity */ -#define FPC_IC_AFF 0x1000 /* affine infinity (std) */ +#define FPC_IE 0x0001 /* enable invalid operation + * exception */ +#define FPC_IM FPC_IE +#define FPC_DE 0x0002 /* enable denormalized operation + * exception */ +#define FPC_DM FPC_DE +#define FPC_ZE 0x0004 /* enable zero-divide exception */ +#define FPC_ZM FPC_ZE +#define FPC_OE 0x0008 /* enable overflow exception */ +#define FPC_OM FPC_OE +#define FPC_UE 0x0010 /* enable underflow exception */ +#define FPC_PE 0x0020 /* enable precision exception */ +#define FPC_PC 0x0300 /* precision control: */ +#define FPC_PC_24 0x0000 /* 24 bits */ +#define FPC_PC_53 0x0200 /* 53 bits */ +#define FPC_PC_64 0x0300 /* 64 bits */ +#define FPC_RC 0x0c00 /* rounding control: */ +#define FPC_RC_RN 0x0000 /* round to nearest or even */ +#define FPC_RC_RD 0x0400 /* round down */ +#define FPC_RC_RU 0x0800 /* round up */ +#define FPC_RC_CHOP 0x0c00 /* chop */ +#define FPC_IC 0x1000 /* infinity control (obsolete) */ +#define FPC_IC_PROJ 0x0000 /* projective infinity */ +#define FPC_IC_AFF 0x1000 /* affine infinity (std) */ /* * Status register */ -#define FPS_IE 0x0001 /* invalid operation */ -#define FPS_DE 0x0002 /* denormalized operand */ -#define FPS_ZE 0x0004 /* divide by zero */ -#define FPS_OE 0x0008 /* overflow */ -#define FPS_UE 0x0010 /* underflow */ -#define FPS_PE 0x0020 /* precision */ -#define FPS_SF 0x0040 /* stack flag */ -#define FPS_ES 0x0080 /* error summary */ -#define FPS_C0 0x0100 /* condition code bit 0 */ -#define FPS_C1 0x0200 /* condition code bit 1 */ -#define FPS_C2 0x0400 /* condition code bit 2 */ -#define FPS_TOS 0x3800 /* top-of-stack pointer */ -#define FPS_TOS_SHIFT 11 -#define FPS_C3 0x4000 /* condition code bit 3 */ -#define FPS_BUSY 0x8000 /* FPU busy */ +#define FPS_IE 0x0001 /* invalid operation */ +#define FPS_DE 0x0002 /* denormalized operand */ +#define FPS_ZE 0x0004 /* divide by zero */ +#define FPS_OE 0x0008 /* overflow */ +#define FPS_UE 0x0010 /* underflow */ +#define FPS_PE 0x0020 /* precision */ +#define FPS_SF 0x0040 /* stack flag */ +#define FPS_ES 0x0080 /* error summary */ +#define FPS_C0 0x0100 /* condition code bit 0 */ +#define FPS_C1 0x0200 /* condition code bit 1 */ +#define FPS_C2 0x0400 /* condition code bit 2 */ +#define FPS_TOS 0x3800 /* top-of-stack pointer */ +#define FPS_TOS_SHIFT 11 +#define FPS_C3 0x4000 /* condition code bit 3 */ +#define FPS_BUSY 0x8000 /* FPU busy */ /* * Kind of floating-point support provided by kernel. */ -#define FP_NO 0 /* no floating point */ -#define FP_SOFT 1 /* software FP emulator */ -#define FP_287 2 /* 80287 */ -#define FP_387 3 /* 80387 or 80486 */ -#define FP_FXSR 4 /* Fast save/restore SIMD Extension */ +#define FP_NO 0 /* no floating point */ +#define FP_SOFT 1 /* software FP emulator */ +#define FP_287 2 /* 80287 */ +#define FP_387 3 /* 80387 or 80486 */ +#define FP_FXSR 4 /* Fast save/restore SIMD Extension */ -#endif /* _I386_FP_SAVE_H_ */ +#endif /* _I386_FP_SAVE_H_ */