Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/amd64/include/md_var.h
Version:
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1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1995 Bruce D. Evans. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the author nor the names of contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33 34 #ifdef __i386__ 35 #include <i386/md_var.h> 36 #else /* !__i386__ */ 37 38 #ifndef _MACHINE_MD_VAR_H_ 39 #define _MACHINE_MD_VAR_H_ 40 41 #include <x86/x86_var.h> 42 43 extern char ctx_switch_xsave[]; 44 extern char ctx_switch_xsave32[]; 45 extern int hw_lower_amd64_sharedpage; 46 extern int hw_ibrs_disable; 47 extern int hw_ssb_disable; 48 extern int nmi_flush_l1d_sw; 49 extern int syscall_ret_l1d_flush_mode; 50 51 extern vm_paddr_t intel_graphics_stolen_base; 52 extern vm_paddr_t intel_graphics_stolen_size; 53 54 extern int la57; 55 56 extern vm_paddr_t kernphys; 57 extern vm_paddr_t KERNend; 58 59 extern bool efi_boot; 60 61 struct __mcontext; 62 struct savefpu; 63 struct sysentvec; 64 65 void amd64_conf_fast_syscall(void); 66 void amd64_db_resume_dbreg(void); 67 vm_paddr_t amd64_loadaddr(void); 68 void amd64_lower_shared_page(struct sysentvec *); 69 void amd64_bsp_pcpu_init1(struct pcpu *pc); 70 void amd64_bsp_pcpu_init2(uint64_t rsp0); 71 void amd64_bsp_ist_init(struct pcpu *pc); 72 void amd64_syscall(struct thread *td, int traced); 73 void amd64_syscall_ret_flush_l1d(int error); 74 void amd64_syscall_ret_flush_l1d_recalc(void); 75 void cpu_init_small_core(void); 76 void doreti_iret(void) __asm(__STRING(doreti_iret)); 77 void doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault)); 78 void flush_l1d_sw_abi(void); 79 void ld_ds(void) __asm(__STRING(ld_ds)); 80 void ld_es(void) __asm(__STRING(ld_es)); 81 void ld_fs(void) __asm(__STRING(ld_fs)); 82 void ld_gs(void) __asm(__STRING(ld_gs)); 83 void ld_fsbase(void) __asm(__STRING(ld_fsbase)); 84 void ld_gsbase(void) __asm(__STRING(ld_gsbase)); 85 void ds_load_fault(void) __asm(__STRING(ds_load_fault)); 86 void es_load_fault(void) __asm(__STRING(es_load_fault)); 87 void fs_load_fault(void) __asm(__STRING(fs_load_fault)); 88 void gs_load_fault(void) __asm(__STRING(gs_load_fault)); 89 void fsbase_load_fault(void) __asm(__STRING(fsbase_load_fault)); 90 void gsbase_load_fault(void) __asm(__STRING(gsbase_load_fault)); 91 void fpstate_drop(struct thread *td); 92 void pagezero(void *addr); 93 void setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int ist); 94 void set_top_of_stack_td(struct thread *td); 95 struct savefpu *get_pcb_user_save_td(struct thread *td); 96 struct savefpu *get_pcb_user_save_pcb(struct pcb *pcb); 97 void pci_early_quirks(void); 98 void get_fpcontext(struct thread *td, struct __mcontext *mcp, 99 char **xfpusave, size_t *xfpusave_len); 100 int set_fpcontext(struct thread *td, struct __mcontext *mcp, 101 char *xfpustate, size_t xfpustate_len); 102 103 #endif /* !_MACHINE_MD_VAR_H_ */ 104 105 #endif /* __i386__ */
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