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Diffstat (limited to 'sys/amd64/include/md_var.h')
| -rw-r--r-- | sys/amd64/include/md_var.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/sys/amd64/include/md_var.h b/sys/amd64/include/md_var.h new file mode 100644 index 000000000000..b6d8c469cdf6 --- /dev/null +++ b/sys/amd64/include/md_var.h @@ -0,0 +1,108 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1995 Bruce D. Evans. + * 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 author nor the names of contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + */ + +#ifdef __i386__ +#include <i386/md_var.h> +#else /* !__i386__ */ + +#ifndef _MACHINE_MD_VAR_H_ +#define _MACHINE_MD_VAR_H_ + +#include <x86/x86_var.h> + +extern char ctx_switch_xsave[]; +extern char ctx_switch_xsave32[]; +extern int hw_lower_amd64_sharedpage; +extern int hw_ibrs_disable; +extern int hw_ssb_disable; +extern int nmi_flush_l1d_sw; +extern int syscall_ret_l1d_flush_mode; + +extern vm_paddr_t intel_graphics_stolen_base; +extern vm_paddr_t intel_graphics_stolen_size; + +extern int la57; +extern int prefer_uva_la48; + +extern vm_paddr_t kernphys; +extern vm_paddr_t KERNend; + +extern bool efi_boot; + +struct __mcontext; +struct savefpu; +struct sysentvec; + +void amd64_conf_fast_syscall(void); +void amd64_db_resume_dbreg(void); +vm_paddr_t amd64_loadaddr(void); +void amd64_lower_shared_page(struct sysentvec *); +void amd64_bsp_pcpu_init1(struct pcpu *pc); +void amd64_bsp_pcpu_init2(uint64_t rsp0); +void amd64_bsp_ist_init(struct pcpu *pc); +void amd64_syscall(struct thread *td, int traced); +void amd64_syscall_ret_flush_l1d(int error); +void amd64_syscall_ret_flush_l1d_recalc(void); +void cpu_init_small_core(void); +void doreti_iret(void) __asm(__STRING(doreti_iret)); +void doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault)); +void flush_l1d_sw_abi(void); +void ld_ds(void) __asm(__STRING(ld_ds)); +void ld_es(void) __asm(__STRING(ld_es)); +void ld_fs(void) __asm(__STRING(ld_fs)); +void ld_gs(void) __asm(__STRING(ld_gs)); +void ld_fsbase(void) __asm(__STRING(ld_fsbase)); +void ld_gsbase(void) __asm(__STRING(ld_gsbase)); +void ds_load_fault(void) __asm(__STRING(ds_load_fault)); +void es_load_fault(void) __asm(__STRING(es_load_fault)); +void fs_load_fault(void) __asm(__STRING(fs_load_fault)); +void gs_load_fault(void) __asm(__STRING(gs_load_fault)); +void fsbase_load_fault(void) __asm(__STRING(fsbase_load_fault)); +void gsbase_load_fault(void) __asm(__STRING(gsbase_load_fault)); +void fpstate_drop(struct thread *td); +void pagezero(void *addr); +void setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int ist); +void set_top_of_stack_td(struct thread *td); +struct savefpu *get_pcb_user_save_td(struct thread *td); +struct savefpu *get_pcb_user_save_pcb(struct pcb *pcb); +void pci_early_quirks(void); +void get_fpcontext(struct thread *td, struct __mcontext *mcp, + char **xfpusave, size_t *xfpusave_len); +int set_fpcontext(struct thread *td, struct __mcontext *mcp, + char *xfpustate, size_t xfpustate_len); + +void wrmsr_early_safe_start(void); +void wrmsr_early_safe_end(void); +int wrmsr_early_safe(u_int msr, uint64_t data); + +#endif /* !_MACHINE_MD_VAR_H_ */ + +#endif /* __i386__ */ |