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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1993 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* Architecture specific syscalls (X86)
*/
#ifndef _MACHINE_SYSARCH_H_
#define _MACHINE_SYSARCH_H_
#include <sys/cdefs.h>
#define I386_GET_LDT 0
#define I386_SET_LDT 1
#define LDT_AUTO_ALLOC 0xffffffff
/* I386_IOPL */
#define I386_GET_IOPERM 3
#define I386_SET_IOPERM 4
/* xxxxx */
#define I386_VM86 6 /* XXX Not implementable on amd64 */
#define I386_GET_FSBASE 7
#define I386_SET_FSBASE 8
#define I386_GET_GSBASE 9
#define I386_SET_GSBASE 10
#define I386_GET_XFPUSTATE 11
#define I386_SET_PKRU 12
#define I386_CLEAR_PKRU 13
/* Leave space for 0-127 for to avoid translating syscalls */
#define AMD64_GET_FSBASE 128
#define AMD64_SET_FSBASE 129
#define AMD64_GET_GSBASE 130
#define AMD64_SET_GSBASE 131
#define AMD64_GET_XFPUSTATE 132
#define AMD64_SET_PKRU 133
#define AMD64_CLEAR_PKRU 134
#define AMD64_GET_TLSBASE 135
#define AMD64_SET_TLSBASE 136
#define AMD64_DISABLE_TLSBASE 137
/* Flags for AMD64_SET_PKRU */
#define AMD64_PKRU_EXCL 0x0001
#define AMD64_PKRU_PERSIST 0x0002
struct i386_ioperm_args {
unsigned int start;
unsigned int length;
int enable;
};
#ifdef __i386__
struct i386_ldt_args {
unsigned int start;
union descriptor *descs;
unsigned int num;
};
struct i386_vm86_args {
int sub_op; /* sub-operation to perform */
char *sub_args; /* args */
};
struct i386_get_xfpustate {
void *addr;
int len;
};
#else
struct i386_ldt_args {
unsigned int start;
struct user_segment_descriptor *descs __packed;
unsigned int num;
};
struct i386_get_xfpustate {
unsigned int addr;
int len;
};
struct i386_set_pkru {
unsigned int addr;
unsigned int len;
unsigned int keyidx;
int flags;
};
struct amd64_get_xfpustate {
void *addr;
int len;
};
#endif
struct amd64_set_pkru {
void *addr;
unsigned long len;
unsigned int keyidx;
int flags;
};
#ifndef _KERNEL
union descriptor;
struct dbreg;
__BEGIN_DECLS
int i386_get_ldt(int, union descriptor *, int);
int i386_set_ldt(int, union descriptor *, int);
int i386_get_ioperm(unsigned int, unsigned int *, int *);
int i386_set_ioperm(unsigned int, unsigned int, int);
int i386_vm86(int, void *);
int i386_get_fsbase(void **);
int i386_get_gsbase(void **);
int i386_set_fsbase(void *);
int i386_set_gsbase(void *);
int i386_set_watch(int, unsigned int, int, int, struct dbreg *);
int i386_clr_watch(int, struct dbreg *);
int amd64_get_fsbase(void **);
int amd64_get_gsbase(void **);
int amd64_set_fsbase(void *);
int amd64_set_gsbase(void *);
int amd64_set_tlsbase(void *);
int x86_pkru_get_perm(unsigned int keyidx, int *access, int *modify);
int x86_pkru_set_perm(unsigned int keyidx, int access, int modify);
int x86_pkru_protect_range(void *addr, unsigned long len, unsigned int keyidx,
int flag);
int x86_pkru_unprotect_range(void *addr, unsigned long len);
int sysarch(int, void *);
__END_DECLS
#else
struct thread;
union descriptor;
int i386_get_ldt(struct thread *, struct i386_ldt_args *);
int i386_set_ldt(struct thread *, struct i386_ldt_args *, union descriptor *);
int i386_get_ioperm(struct thread *, struct i386_ioperm_args *);
int i386_set_ioperm(struct thread *, struct i386_ioperm_args *);
int amd64_get_ldt(struct thread *, struct i386_ldt_args *);
int amd64_set_ldt(struct thread *, struct i386_ldt_args *,
struct user_segment_descriptor *);
int amd64_get_ioperm(struct thread *, struct i386_ioperm_args *);
int amd64_set_ioperm(struct thread *, struct i386_ioperm_args *);
#endif
#endif /* !_MACHINE_SYSARCH_H_ */
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