4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright 2017 Joyent, Inc.
27 #ifndef _SYS_ARCHSYSTM_H
28 #define _SYS_ARCHSYSTM_H
31 * A selection of ISA-dependent interfaces
34 #include <vm/seg_enum.h>
43 extern greg_t
getfp(void);
44 extern int getpil(void);
46 extern ulong_t
getcr0(void);
47 extern void setcr0(ulong_t
);
48 extern ulong_t
getcr8(void);
49 extern void setcr8(ulong_t
);
50 extern ulong_t
getcr2(void);
51 extern void clflush_insn(caddr_t addr
);
52 extern void mfence_insn(void);
55 extern uint16_t getgs(void);
56 extern void setgs(uint16_t);
58 extern void patch_sse(void);
59 extern void patch_sse2(void);
62 extern void patch_xsave(void);
63 extern kmem_cache_t
*fpsave_cachep
;
65 extern void cli(void);
66 extern void sti(void);
68 extern void tenmicrosec(void);
70 extern void restore_int_flag(ulong_t
);
71 extern void intr_restore(ulong_t
);
72 extern ulong_t
clear_int_flag(void);
73 extern ulong_t
intr_clear(void);
74 extern ulong_t
getflags(void);
75 extern int interrupts_enabled(void);
77 extern void int3(void);
78 extern void int18(void);
79 extern void int20(void);
80 extern void int_cmci(void);
83 extern void sys_syscall();
84 extern void sys_syscall32();
85 extern void sys_lcall32();
86 extern void sys_syscall_int();
87 extern void brand_sys_syscall();
88 extern void brand_sys_syscall32();
89 extern void brand_sys_syscall_int();
90 extern int update_sregs();
91 extern void reset_sregs();
93 extern void sys_call();
94 extern void brand_sys_call();
96 extern void sys_sysenter();
97 extern void _sys_sysenter_post_swapgs();
98 extern void brand_sys_sysenter();
99 extern void _brand_sys_sysenter_post_swapgs();
101 extern void dosyscall(void);
103 extern void bind_hwcap(void);
105 extern uint16_t inw(int port
);
106 extern uint32_t inl(int port
);
107 extern void outw(int port
, uint16_t value
);
108 extern void outl(int port
, uint32_t value
);
110 extern void pc_reset(void) __NORETURN
;
111 extern void efi_reset(void) __NORETURN
;
112 extern void reset(void) __NORETURN
;
113 extern int goany(void);
115 extern void setgregs(klwp_t
*, gregset_t
);
116 extern void getgregs(klwp_t
*, gregset_t
);
117 extern void setfpregs(klwp_t
*, fpregset_t
*);
118 extern void getfpregs(klwp_t
*, fpregset_t
*);
120 #if defined(_SYSCALL32_IMPL)
121 extern void getgregs32(klwp_t
*, gregset32_t
);
122 extern void setfpregs32(klwp_t
*, fpregset32_t
*);
123 extern void getfpregs32(klwp_t
*, fpregset32_t
*);
128 extern void fp_free(struct fpu_ctx
*, int);
129 extern void fp_save(struct fpu_ctx
*);
130 extern void fp_restore(struct fpu_ctx
*);
132 extern int fpu_pentium_fdivbug
;
134 extern void sep_save(void *);
135 extern void sep_restore(void *);
137 extern void brand_interpositioning_enable(void);
138 extern void brand_interpositioning_disable(void);
142 extern int instr_size(struct regs
*, caddr_t
*, enum seg_rw
);
144 extern int enable_cbcp
; /* patchable in /etc/system */
146 extern uint_t cpu_hwcap_flags
;
147 extern uint_t cpu_freq
;
148 extern uint64_t cpu_freq_hz
;
150 extern int use_sse_pagecopy
;
151 extern int use_sse_pagezero
;
152 extern int use_sse_copy
;
154 extern caddr_t
i86devmap(pfn_t
, pgcnt_t
, uint_t
);
155 extern page_t
*page_numtopp_alloc(pfn_t pfnum
);
157 extern void hwblkclr(void *, size_t);
158 extern void hwblkpagecopy(const void *, void *);
159 extern void page_copy_no_xmm(void *dst
, void *src
);
160 extern void block_zero_no_xmm(void *dst
, int len
);
161 #define BLOCKZEROALIGN (4 * sizeof (void *))
163 extern void (*kcpc_hw_enable_cpc_intr
)(void);
165 extern void init_desctbls(void);
167 extern user_desc_t
*cpu_get_gdt(void);
169 extern void switch_sp_and_call(void *, void (*)(uint_t
, uint_t
), uint_t
,
171 extern hrtime_t (*gethrtimef
)(void);
172 extern hrtime_t (*gethrtimeunscaledf
)(void);
173 extern void (*scalehrtimef
)(hrtime_t
*);
174 extern uint64_t (*unscalehrtimef
)(hrtime_t
);
175 extern void (*gethrestimef
)(timestruc_t
*);
177 extern void av_dispatch_softvect(uint_t
);
178 extern void av_dispatch_autovect(uint_t
);
179 extern uint_t
atomic_btr32(uint32_t *, uint_t
);
180 extern uint_t
bsrw_insn(uint16_t);
181 extern int sys_rtt_common(struct regs
*);
182 extern void fakesoftint(void);
184 extern void *plat_traceback(void *);
187 * The following two macros are the four byte instruction sequence of stac, ret
188 * and clac, ret. These are used in startup_smap() as a part of properly setting
189 * up the valid instructions. For more information on SMAP, see
190 * uts/intel/ia32/ml/copy.s.
192 #define SMAP_CLAC_INSTR 0xc3ca010f
193 #define SMAP_STAC_INSTR 0xc3cb010f
194 extern void smap_disable(void);
195 extern void smap_enable(void);
198 extern void xen_init_callbacks(void);
199 extern void xen_set_callback(void (*)(void), uint_t
, uint_t
);
200 extern void xen_printf(const char *, ...);
201 #define cpr_dprintf xen_printf
202 extern int xpv_panicking
;
203 #define IN_XPV_PANIC() (xpv_panicking > 0)
205 extern void setup_mca(void);
206 extern void pat_sync(void);
207 extern void patch_tsc_read(int);
208 #if defined(__amd64) && !defined(__xpv)
209 extern void patch_memops(uint_t
);
210 #endif /* defined(__amd64) && !defined(__xpv) */
211 extern void setup_xfem(void);
212 #define cpr_dprintf prom_printf
213 #define IN_XPV_PANIC() (__lintzero)
218 #if defined(_KERNEL) || defined(_BOOT)
219 extern uint8_t inb(int port
);
220 extern void outb(int port
, uint8_t value
);
227 #endif /* _SYS_ARCHSYSTM_H */