diff options
Diffstat (limited to 'usr/src/uts/intel/sys/regset.h')
| -rw-r--r-- | usr/src/uts/intel/sys/regset.h | 313 |
1 files changed, 10 insertions, 303 deletions
diff --git a/usr/src/uts/intel/sys/regset.h b/usr/src/uts/intel/sys/regset.h index 5436ae0be3..12b8f9e888 100644 --- a/usr/src/uts/intel/sys/regset.h +++ b/usr/src/uts/intel/sys/regset.h @@ -19,6 +19,8 @@ * CDDL HEADER END */ /* + * Copyright 2015 Nexenta Systems, Inc. All rights reserved. + * * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved. */ /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ @@ -34,13 +36,12 @@ #if !defined(_ASM) #include <sys/types.h> #endif +#include <sys/mcontext.h> #ifdef __cplusplus extern "C" { #endif -#if !defined(_XPG4_2) || defined(__EXTENSIONS__) - /* * The names and offsets defined here should be specified by the * AMD64 ABI suppl. @@ -134,181 +135,16 @@ extern "C" { #endif /* __i386 */ -#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ - -/* - * A gregset_t is defined as an array type for compatibility with the reference - * source. This is important due to differences in the way the C language - * treats arrays and structures as parameters. - */ -#if defined(__amd64) -#define _NGREG 28 -#else -#define _NGREG 19 -#endif -#if !defined(_XPG4_2) || defined(__EXTENSIONS__) #define NGREG _NGREG -#endif #if !defined(_ASM) -#if defined(_LP64) || defined(_I32LPx) -typedef long greg_t; -#else -typedef int greg_t; -#endif - -#if defined(_SYSCALL32) - -typedef int32_t greg32_t; -typedef int64_t greg64_t; - -#endif /* _SYSCALL32 */ - -typedef greg_t gregset_t[_NGREG]; - -#if defined(_SYSCALL32) - -#define _NGREG32 19 -#define _NGREG64 28 - -typedef greg32_t gregset32_t[_NGREG32]; -typedef greg64_t gregset64_t[_NGREG64]; - -#endif /* _SYSCALL32 */ - -#if !defined(_XPG4_2) || defined(__EXTENSIONS__) - -/* - * Floating point definitions. - */ - -/* - * This structure is written to memory by an 'fnsave' instruction - */ -struct fnsave_state { - uint16_t f_fcw; - uint16_t __f_ign0; - uint16_t f_fsw; - uint16_t __f_ign1; - uint16_t f_ftw; - uint16_t __f_ign2; - uint32_t f_eip; - uint16_t f_cs; - uint16_t f_fop; - uint32_t f_dp; - uint16_t f_ds; - uint16_t __f_ign3; - union { - uint16_t fpr_16[5]; /* 80-bits of x87 state */ - } f_st[8]; -}; /* 108 bytes */ - -/* - * This structure is written to memory by an 'fxsave' instruction - * Note the variant behaviour of this instruction between long mode - * and legacy environments! - */ -struct fxsave_state { - uint16_t fx_fcw; - uint16_t fx_fsw; - uint16_t fx_fctw; /* compressed tag word */ - uint16_t fx_fop; -#if defined(__amd64) - uint64_t fx_rip; - uint64_t fx_rdp; -#else - uint32_t fx_eip; - uint16_t fx_cs; - uint16_t __fx_ign0; - uint32_t fx_dp; - uint16_t fx_ds; - uint16_t __fx_ign1; -#endif - uint32_t fx_mxcsr; - uint32_t fx_mxcsr_mask; - union { - uint16_t fpr_16[5]; /* 80-bits of x87 state */ - u_longlong_t fpr_mmx; /* 64-bit mmx register */ - uint32_t __fpr_pad[4]; /* (pad out to 128-bits) */ - } fx_st[8]; -#if defined(__amd64) - upad128_t fx_xmm[16]; /* 128-bit registers */ - upad128_t __fx_ign2[6]; -#else - upad128_t fx_xmm[8]; /* 128-bit registers */ - upad128_t __fx_ign2[14]; -#endif -}; /* 512 bytes */ - -/* - * This structure is written to memory by an 'xsave' instruction. - * First 512 byte is compatible with the format of an 'fxsave' area. - */ -struct xsave_state { - struct fxsave_state xs_fxsave; - uint64_t xs_xstate_bv; /* 512 */ - uint64_t xs_rsv_mbz[2]; - uint64_t xs_reserved[5]; - upad128_t xs_ymm[16]; /* avx - 576 */ -}; /* 832 bytes, asserted in fpnoextflt() */ - -#if defined(__amd64) - -typedef struct fpu { - union { - struct fpchip_state { - uint16_t cw; - uint16_t sw; - uint8_t fctw; - uint8_t __fx_rsvd; - uint16_t fop; - uint64_t rip; - uint64_t rdp; - uint32_t mxcsr; - uint32_t mxcsr_mask; - union { - uint16_t fpr_16[5]; - upad128_t __fpr_pad; - } st[8]; - upad128_t xmm[16]; - upad128_t __fx_ign2[6]; - uint32_t status; /* sw at exception */ - uint32_t xstatus; /* mxcsr at exception */ - } fpchip_state; - uint32_t f_fpregs[130]; - } fp_reg_set; -} fpregset_t; - -#else /* __i386 */ - -/* - * This definition of the floating point structure is binary - * compatible with the Intel386 psABI definition, and source - * compatible with that specification for x87-style floating point. - * It also allows SSE/SSE2 state to be accessed on machines that - * possess such hardware capabilities. - */ -typedef struct fpu { - union { - struct fpchip_state { - uint32_t state[27]; /* 287/387 saved state */ - uint32_t status; /* saved at exception */ - uint32_t mxcsr; /* SSE control and status */ - uint32_t xstatus; /* SSE mxcsr at exception */ - uint32_t __pad[2]; /* align to 128-bits */ - upad128_t xmm[8]; /* %xmm0-%xmm7 */ - } fpchip_state; - struct fp_emul_space { /* for emulator(s) */ - uint8_t fp_emul[246]; - uint8_t fp_epad[2]; - } fp_emul_space; - uint32_t f_fpregs[95]; /* union of the above */ - } fp_reg_set; -} fpregset_t; - +#ifdef __i386 /* * (This structure definition is specified in the i386 ABI supplement) + * It's likely we can just get rid of the struct __old_fpu or maybe + * move it to $SRC/uts/intel/ia32/os/fpu.c which appears to be the + * only place that uses it. See: www.illumos.org/issues/6284 */ typedef struct __old_fpu { union { @@ -327,74 +163,19 @@ typedef struct __old_fpu { } fp_reg_set; long f_wregs[33]; /* saved weitek state */ } __old_fpregset_t; - #endif /* __i386 */ -#if defined(_SYSCALL32) - -/* Kernel view of user i386 fpu structure */ - -typedef struct fpu32 { - union { - struct fpchip32_state { - uint32_t state[27]; /* 287/387 saved state */ - uint32_t status; /* saved at exception */ - uint32_t mxcsr; /* SSE control and status */ - uint32_t xstatus; /* SSE mxcsr at exception */ - uint32_t __pad[2]; /* align to 128-bits */ - uint32_t xmm[8][4]; /* %xmm0-%xmm7 */ - } fpchip_state; - uint32_t f_fpregs[95]; /* union of the above */ - } fp_reg_set; -} fpregset32_t; - -#endif /* _SYSCALL32 */ - -/* - * Kernel's FPU save area - */ -typedef struct { - union _kfpu_u { - struct fxsave_state kfpu_fx; -#if defined(__i386) - struct fnsave_state kfpu_fn; -#endif - struct xsave_state kfpu_xs; - } kfpu_u; - uint32_t kfpu_status; /* saved at #mf exception */ - uint32_t kfpu_xstatus; /* saved at #xm exception */ -} kfpu_t; - #if defined(__amd64) -#define NDEBUGREG 16 +#define _NDEBUGREG 16 #else -#define NDEBUGREG 8 +#define _NDEBUGREG 8 #endif typedef struct dbregset { - unsigned long debugreg[NDEBUGREG]; + unsigned long debugreg[_NDEBUGREG]; } dbregset_t; -/* - * Structure mcontext defines the complete hardware machine state. - * (This structure is specified in the i386 ABI suppl.) - */ -typedef struct { - gregset_t gregs; /* general register set */ - fpregset_t fpregs; /* floating point register set */ -} mcontext_t; - -#if defined(_SYSCALL32) - -typedef struct { - gregset32_t gregs; /* general register set */ - fpregset32_t fpregs; /* floating point register set */ -} mcontext32_t; - -#endif /* _SYSCALL32 */ - #endif /* _ASM */ -#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ /* * The version of privregs.h that is used on implementations that run on @@ -420,80 +201,6 @@ typedef struct { #include <sys/privregs.h> #endif /* __i386 (!_KERNEL && !_XPG4_2 || __EXTENSIONS__) */ -/* - * The following is here for XPG4.2 standards compliance. - * regset.h is included in ucontext.h for the definition of - * mcontext_t, all of which breaks XPG4.2 namespace. - */ - -#if defined(_XPG4_2) && !defined(__EXTENSIONS__) && !defined(_ASM) - -/* - * The following is here for UNIX 95 compliance (XPG Issue 4, Version 2 - * System Interfaces and Headers). The structures included here are identical - * to those visible elsewhere in this header except that the structure - * element names have been changed in accordance with the X/Open namespace - * rules. Specifically, depending on the name and scope, the names have - * been prepended with a single or double underscore (_ or __). See the - * structure definitions in the non-X/Open namespace for more detailed - * comments describing each of these structures. - */ - -#if defined(__amd64) - -typedef struct __fpu { - union { - struct __fpchip_state { - uint16_t __fx_cw; - uint16_t __fx_sw; - uint16_t __fx_ctw; - uint16_t __fx_op; - uint64_t __fx_rip; - uint64_t __fx_rdp; - uint32_t __fx_mxcsr; - uint32_t __fx_mxcsr_mask; - union { - uint16_t __fpr_16[5]; - upad128_t __fpr_pad; - } __fx_st[8]; - upad128_t __fx_xmm[16]; - upad128_t __fx_ign2[6]; - uint32_t __status; - uint32_t __xstatus; - } __fpchip_state; - uint32_t __f_fpregs[130]; - } __fp_reg_set; -} fpregset_t; - -#else /* __i386 */ - -typedef struct __fpu { - union { - struct __fpchip_state { - uint32_t __state[27]; /* 287/387 saved state */ - uint32_t __status; /* saved at exception */ - uint32_t __mxcsr; /* SSE control and status */ - uint32_t __xstatus; /* SSE mxcsr at exception */ - uint32_t __pad[2]; /* align to 128-bits */ - upad128_t __xmm[8]; /* %xmm0-%xmm7 */ - } __fpchip_state; - struct __fp_emul_space { /* for emulator(s) */ - uint8_t __fp_emul[246]; - uint8_t __fp_epad[2]; - } __fp_emul_space; - uint32_t __f_fpregs[95]; /* union of the above */ - } __fp_reg_set; -} fpregset_t; - -#endif /* __i386 */ - -typedef struct { - gregset_t __gregs; /* general register set */ - fpregset_t __fpregs; /* floating point register set */ -} mcontext_t; - -#endif /* _XPG4_2 && !__EXTENSIONS__ && !_ASM */ - #ifdef __cplusplus } #endif |