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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2018 Joyent, Inc.
*/
#ifndef _SYS_ARCHSYSTM_H
#define _SYS_ARCHSYSTM_H
/*
* A selection of ISA-dependent interfaces
*/
#include <vm/seg_enum.h>
#include <vm/page.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _KERNEL
extern greg_t getfp(void);
extern int getpil(void);
extern ulong_t getcr0(void);
extern void setcr0(ulong_t);
extern ulong_t getcr8(void);
extern void setcr8(ulong_t);
extern ulong_t getcr2(void);
extern void clflush_insn(caddr_t addr);
extern void mfence_insn(void);
#if defined(__i386)
extern uint16_t getgs(void);
extern void setgs(uint16_t);
#endif
extern kmem_cache_t *fpsave_cachep;
extern void cli(void);
extern void sti(void);
extern void tenmicrosec(void);
extern void restore_int_flag(ulong_t);
extern void intr_restore(ulong_t);
extern ulong_t clear_int_flag(void);
extern ulong_t intr_clear(void);
extern ulong_t getflags(void);
extern int interrupts_enabled(void);
extern void int3(void);
extern void int18(void);
extern void int20(void);
extern void int_cmci(void);
#if defined(__amd64)
extern void sys_syscall(), tr_sys_syscall();
extern void sys_syscall32(), tr_sys_syscall32();
extern void sys_lcall32();
extern void sys_syscall_int();
extern void tr_sys_syscall_int();
extern void brand_sys_syscall(), tr_brand_sys_syscall();
extern void brand_sys_syscall32(), tr_brand_sys_syscall32();
extern void brand_sys_syscall_int(), tr_brand_sys_syscall_int();
extern int update_sregs();
extern void reset_sregs();
#elif defined(__i386)
extern void sys_call();
extern void tr_sys_call();
extern void brand_sys_call();
#endif
extern void sys_sysenter();
extern void tr_sys_sysenter();
extern void _sys_sysenter_post_swapgs();
extern void brand_sys_sysenter();
extern void tr_brand_sys_sysenter();
extern void _brand_sys_sysenter_post_swapgs();
extern void dosyscall(void);
extern void bind_hwcap(void);
extern uint16_t inw(int port);
extern uint32_t inl(int port);
extern void outw(int port, uint16_t value);
extern void outl(int port, uint32_t value);
extern void pc_reset(void) __NORETURN;
extern void efi_reset(void) __NORETURN;
extern void reset(void) __NORETURN;
extern int goany(void);
extern void setgregs(klwp_t *, gregset_t);
extern void getgregs(klwp_t *, gregset_t);
extern void setfpregs(klwp_t *, fpregset_t *);
extern void getfpregs(klwp_t *, fpregset_t *);
#if defined(_SYSCALL32_IMPL)
extern void getgregs32(klwp_t *, gregset32_t);
extern void setfpregs32(klwp_t *, fpregset32_t *);
extern void getfpregs32(klwp_t *, fpregset32_t *);
#endif
struct fpu_ctx;
extern void fp_free(struct fpu_ctx *, int);
extern void fp_save(struct fpu_ctx *);
extern void fp_restore(struct fpu_ctx *);
extern int fpu_pentium_fdivbug;
extern void sep_save(void *);
extern void sep_restore(void *);
extern void brand_interpositioning_enable(void);
extern void brand_interpositioning_disable(void);
struct regs;
extern int instr_size(struct regs *, caddr_t *, enum seg_rw);
extern int enable_cbcp; /* patchable in /etc/system */
extern uint_t cpu_hwcap_flags;
extern uint_t cpu_freq;
extern uint64_t cpu_freq_hz;
extern int use_sse_pagecopy;
extern int use_sse_pagezero;
extern int use_sse_copy;
extern caddr_t i86devmap(pfn_t, pgcnt_t, uint_t);
extern page_t *page_numtopp_alloc(pfn_t pfnum);
extern void hwblkclr(void *, size_t);
extern void hwblkpagecopy(const void *, void *);
extern void page_copy_no_xmm(void *dst, void *src);
extern void block_zero_no_xmm(void *dst, int len);
#define BLOCKZEROALIGN (4 * sizeof (void *))
extern void (*kcpc_hw_enable_cpc_intr)(void);
extern void init_desctbls(void);
extern user_desc_t *cpu_get_gdt(void);
extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t,
uint_t);
extern hrtime_t (*gethrtimef)(void);
extern hrtime_t (*gethrtimeunscaledf)(void);
extern void (*scalehrtimef)(hrtime_t *);
extern uint64_t (*unscalehrtimef)(hrtime_t);
extern void (*gethrestimef)(timestruc_t *);
extern void av_dispatch_softvect(uint_t);
extern void av_dispatch_autovect(uint_t);
extern uint_t atomic_btr32(uint32_t *, uint_t);
extern uint_t bsrw_insn(uint16_t);
extern int sys_rtt_common(struct regs *);
extern void fakesoftint(void);
extern void *plat_traceback(void *);
/*
* The following two macros are the four byte instruction sequence of stac, nop
* and clac, nop. These are used in startup_smap() and hotinline_smap() as a
* part of properly setting up the valid instructions. For more information on
* SMAP, see uts/intel/ia32/ml/copy.s, uts/i86pc/os/machdep.c and
* uts/common/os/modctl.c.
*
* Note that smap_disable and smap_enable are resolved to stubs at compile time,
* but inlined at runtime by do_hotinlines() in uts/i86pc/os/machdep.c.
*/
#define SMAP_CLAC_INSTR 0x90ca010f
#define SMAP_STAC_INSTR 0x90cb010f
extern void smap_disable(void);
extern void smap_enable(void);
#if defined(__xpv)
extern void xen_init_callbacks(void);
extern void xen_set_callback(void (*)(void), uint_t, uint_t);
extern void xen_printf(const char *, ...);
#define cpr_dprintf xen_printf
extern int xpv_panicking;
#define IN_XPV_PANIC() (xpv_panicking > 0)
#else
extern void setup_mca(void);
extern void pat_sync(void);
extern void patch_tsc_read(int);
#if defined(__amd64) && !defined(__xpv)
extern void patch_memops(uint_t);
#endif /* defined(__amd64) && !defined(__xpv) */
extern void setup_xfem(void);
#define cpr_dprintf prom_printf
#define IN_XPV_PANIC() (__lintzero)
#endif
#endif /* _KERNEL */
#if defined(_KERNEL) || defined(_BOOT)
extern uint8_t inb(int port);
extern void outb(int port, uint8_t value);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ARCHSYSTM_H */
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