1/*-
2 * Copyright (c) 1995 Bruce D. Evans.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
| 1/*-
2 * Copyright (c) 1995 Bruce D. Evans.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
|
29 * $FreeBSD: stable/11/sys/x86/include/x86_var.h 338691 2018-09-14 23:21:52Z jhb $
| 29 * $FreeBSD: stable/11/sys/x86/include/x86_var.h 347568 2019-05-14 17:05:02Z kib $
|
30 */
31
32#ifndef _X86_X86_VAR_H_
33#define _X86_X86_VAR_H_
34
35/*
36 * Miscellaneous machine-dependent declarations.
37 */
38
39extern long Maxmem;
40extern u_int basemem;
41extern int busdma_swi_pending;
42extern u_int cpu_exthigh;
43extern u_int cpu_feature;
44extern u_int cpu_feature2;
45extern u_int amd_feature;
46extern u_int amd_feature2;
47extern u_int amd_pminfo;
48extern u_int amd_extended_feature_extensions;
49extern u_int via_feature_rng;
50extern u_int via_feature_xcrypt;
51extern u_int cpu_clflush_line_size;
52extern u_int cpu_stdext_feature;
53extern u_int cpu_stdext_feature2;
54extern u_int cpu_stdext_feature3;
55extern uint64_t cpu_ia32_arch_caps;
56extern u_int cpu_fxsr;
57extern u_int cpu_high;
58extern u_int cpu_id;
59extern u_int cpu_max_ext_state_size;
60extern u_int cpu_mxcsr_mask;
61extern u_int cpu_procinfo;
62extern u_int cpu_procinfo2;
63extern char cpu_vendor[];
64extern u_int cpu_vendor_id;
65extern u_int cpu_mon_mwait_flags;
66extern u_int cpu_mon_min_size;
67extern u_int cpu_mon_max_size;
68extern u_int cpu_maxphyaddr;
69extern char ctx_switch_xsave[];
70extern u_int hv_high;
71extern char hv_vendor[];
72extern char kstack[];
73extern char sigcode[];
74extern int szsigcode;
75extern int vm_page_dump_size;
76extern int workaround_erratum383;
77extern int _udatasel;
78extern int _ucodesel;
79extern int _ucode32sel;
80extern int _ufssel;
81extern int _ugssel;
82extern int use_xsave;
83extern uint64_t xsave_mask;
84extern int pti;
85extern int hw_ibrs_active;
| 30 */
31
32#ifndef _X86_X86_VAR_H_
33#define _X86_X86_VAR_H_
34
35/*
36 * Miscellaneous machine-dependent declarations.
37 */
38
39extern long Maxmem;
40extern u_int basemem;
41extern int busdma_swi_pending;
42extern u_int cpu_exthigh;
43extern u_int cpu_feature;
44extern u_int cpu_feature2;
45extern u_int amd_feature;
46extern u_int amd_feature2;
47extern u_int amd_pminfo;
48extern u_int amd_extended_feature_extensions;
49extern u_int via_feature_rng;
50extern u_int via_feature_xcrypt;
51extern u_int cpu_clflush_line_size;
52extern u_int cpu_stdext_feature;
53extern u_int cpu_stdext_feature2;
54extern u_int cpu_stdext_feature3;
55extern uint64_t cpu_ia32_arch_caps;
56extern u_int cpu_fxsr;
57extern u_int cpu_high;
58extern u_int cpu_id;
59extern u_int cpu_max_ext_state_size;
60extern u_int cpu_mxcsr_mask;
61extern u_int cpu_procinfo;
62extern u_int cpu_procinfo2;
63extern char cpu_vendor[];
64extern u_int cpu_vendor_id;
65extern u_int cpu_mon_mwait_flags;
66extern u_int cpu_mon_min_size;
67extern u_int cpu_mon_max_size;
68extern u_int cpu_maxphyaddr;
69extern char ctx_switch_xsave[];
70extern u_int hv_high;
71extern char hv_vendor[];
72extern char kstack[];
73extern char sigcode[];
74extern int szsigcode;
75extern int vm_page_dump_size;
76extern int workaround_erratum383;
77extern int _udatasel;
78extern int _ucodesel;
79extern int _ucode32sel;
80extern int _ufssel;
81extern int _ugssel;
82extern int use_xsave;
83extern uint64_t xsave_mask;
84extern int pti;
85extern int hw_ibrs_active;
|
| 86extern int hw_mds_disable;
|
86extern int hw_ssb_active;
87
88struct pcb;
89struct thread;
90struct reg;
91struct fpreg;
92struct dbreg;
93struct dumperinfo;
94struct trapframe;
95
96/*
97 * The interface type of the interrupt handler entry point cannot be
98 * expressed in C. Use simplest non-variadic function type as an
99 * approximation.
100 */
101typedef void alias_for_inthand_t(void);
102
103/*
104 * Returns the maximum physical address that can be used with the
105 * current system.
106 */
107static __inline vm_paddr_t
108cpu_getmaxphyaddr(void)
109{
110#if defined(__i386__) && !defined(PAE)
111 return (0xffffffff);
112#else
113 return ((1ULL << cpu_maxphyaddr) - 1);
114#endif
115}
116
117void *alloc_fpusave(int flags);
118void busdma_swi(void);
119bool cpu_mwait_usable(void);
120void cpu_probe_amdc1e(void);
121void cpu_setregs(void);
122void dump_add_page(vm_paddr_t);
123void dump_drop_page(vm_paddr_t);
124void finishidentcpu(void);
125void identify_cpu1(void);
126void identify_cpu2(void);
127void identify_hypervisor(void);
128void initializecpu(void);
129void initializecpucache(void);
130bool fix_cpuid(void);
131void fillw(int /*u_short*/ pat, void *base, size_t cnt);
132int is_physical_memory(vm_paddr_t addr);
133int isa_nmi(int cd);
134void handle_ibrs_entry(void);
135void handle_ibrs_exit(void);
136void hw_ibrs_recalculate(void);
| 87extern int hw_ssb_active;
88
89struct pcb;
90struct thread;
91struct reg;
92struct fpreg;
93struct dbreg;
94struct dumperinfo;
95struct trapframe;
96
97/*
98 * The interface type of the interrupt handler entry point cannot be
99 * expressed in C. Use simplest non-variadic function type as an
100 * approximation.
101 */
102typedef void alias_for_inthand_t(void);
103
104/*
105 * Returns the maximum physical address that can be used with the
106 * current system.
107 */
108static __inline vm_paddr_t
109cpu_getmaxphyaddr(void)
110{
111#if defined(__i386__) && !defined(PAE)
112 return (0xffffffff);
113#else
114 return ((1ULL << cpu_maxphyaddr) - 1);
115#endif
116}
117
118void *alloc_fpusave(int flags);
119void busdma_swi(void);
120bool cpu_mwait_usable(void);
121void cpu_probe_amdc1e(void);
122void cpu_setregs(void);
123void dump_add_page(vm_paddr_t);
124void dump_drop_page(vm_paddr_t);
125void finishidentcpu(void);
126void identify_cpu1(void);
127void identify_cpu2(void);
128void identify_hypervisor(void);
129void initializecpu(void);
130void initializecpucache(void);
131bool fix_cpuid(void);
132void fillw(int /*u_short*/ pat, void *base, size_t cnt);
133int is_physical_memory(vm_paddr_t addr);
134int isa_nmi(int cd);
135void handle_ibrs_entry(void);
136void handle_ibrs_exit(void);
137void hw_ibrs_recalculate(void);
|
| 138void hw_mds_recalculate(void);
|
137void hw_ssb_recalculate(bool all_cpus);
138void nmi_call_kdb(u_int cpu, u_int type, struct trapframe *frame);
139void nmi_call_kdb_smp(u_int type, struct trapframe *frame);
140void nmi_handle_intr(u_int type, struct trapframe *frame);
141void pagecopy(void *from, void *to);
142void printcpuinfo(void);
143int pti_get_default(void);
144int user_dbreg_trap(register_t dr6);
145int minidumpsys(struct dumperinfo *);
146struct pcb *get_pcb_td(struct thread *td);
147
148#endif
| 139void hw_ssb_recalculate(bool all_cpus);
140void nmi_call_kdb(u_int cpu, u_int type, struct trapframe *frame);
141void nmi_call_kdb_smp(u_int type, struct trapframe *frame);
142void nmi_handle_intr(u_int type, struct trapframe *frame);
143void pagecopy(void *from, void *to);
144void printcpuinfo(void);
145int pti_get_default(void);
146int user_dbreg_trap(register_t dr6);
147int minidumpsys(struct dumperinfo *);
148struct pcb *get_pcb_td(struct thread *td);
149
150#endif
|