diff options
Diffstat (limited to 'freebsd/sys/x86/include/machine/x86_var.h')
-rw-r--r-- | freebsd/sys/x86/include/machine/x86_var.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/freebsd/sys/x86/include/machine/x86_var.h b/freebsd/sys/x86/include/machine/x86_var.h new file mode 100644 index 00000000..2028d739 --- /dev/null +++ b/freebsd/sys/x86/include/machine/x86_var.h @@ -0,0 +1,145 @@ +/*- + * 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. + * + * $FreeBSD$ + */ + +#ifndef _X86_X86_VAR_H_ +#define _X86_X86_VAR_H_ + +/* + * Miscellaneous machine-dependent declarations. + */ + +extern long Maxmem; +extern u_int basemem; +extern int busdma_swi_pending; +extern u_int cpu_exthigh; +extern u_int cpu_feature; +extern u_int cpu_feature2; +extern u_int amd_feature; +extern u_int amd_feature2; +extern u_int amd_rascap; +extern u_int amd_pminfo; +extern u_int amd_extended_feature_extensions; +extern u_int via_feature_rng; +extern u_int via_feature_xcrypt; +extern u_int cpu_clflush_line_size; +extern u_int cpu_stdext_feature; +extern u_int cpu_stdext_feature2; +extern u_int cpu_stdext_feature3; +extern uint64_t cpu_ia32_arch_caps; +extern u_int cpu_fxsr; +extern u_int cpu_high; +extern u_int cpu_id; +extern u_int cpu_max_ext_state_size; +extern u_int cpu_mxcsr_mask; +extern u_int cpu_procinfo; +extern u_int cpu_procinfo2; +extern char cpu_vendor[]; +extern u_int cpu_vendor_id; +extern u_int cpu_mon_mwait_flags; +extern u_int cpu_mon_min_size; +extern u_int cpu_mon_max_size; +extern u_int cpu_maxphyaddr; +extern char ctx_switch_xsave[]; +extern u_int hv_base; +extern u_int hv_high; +extern char hv_vendor[]; +extern char kstack[]; +extern char sigcode[]; +extern int szsigcode; +extern int vm_page_dump_size; +extern int workaround_erratum383; +extern int _udatasel; +extern int _ucodesel; +extern int _ucode32sel; +extern int _ufssel; +extern int _ugssel; +extern int use_xsave; +extern uint64_t xsave_mask; +extern u_int max_apic_id; +extern int i386_read_exec; +extern int pti; +extern int hw_ibrs_active; +extern int hw_mds_disable; +extern int hw_ssb_active; + +struct pcb; +struct thread; +struct reg; +struct fpreg; +struct dbreg; +struct dumperinfo; +struct trapframe; + +/* + * The interface type of the interrupt handler entry point cannot be + * expressed in C. Use simplest non-variadic function type as an + * approximation. + */ +typedef void alias_for_inthand_t(void); + +bool acpi_get_fadt_bootflags(uint16_t *flagsp); +void *alloc_fpusave(int flags); +void busdma_swi(void); +vm_paddr_t cpu_getmaxphyaddr(void); +bool cpu_mwait_usable(void); +void cpu_probe_amdc1e(void); +void cpu_setregs(void); +bool disable_wp(void); +void restore_wp(bool old_wp); +void dump_add_page(vm_paddr_t); +void dump_drop_page(vm_paddr_t); +void finishidentcpu(void); +void identify_cpu1(void); +void identify_cpu2(void); +void identify_cpu_fixup_bsp(void); +void identify_hypervisor(void); +void initializecpu(void); +void initializecpucache(void); +bool fix_cpuid(void); +void fillw(int /*u_short*/ pat, void *base, size_t cnt); +int is_physical_memory(vm_paddr_t addr); +int isa_nmi(int cd); +void handle_ibrs_entry(void); +void handle_ibrs_exit(void); +void hw_ibrs_recalculate(void); +void hw_mds_recalculate(void); +void hw_ssb_recalculate(bool all_cpus); +void nmi_call_kdb(u_int cpu, u_int type, struct trapframe *frame); +void nmi_call_kdb_smp(u_int type, struct trapframe *frame); +void nmi_handle_intr(u_int type, struct trapframe *frame); +void pagecopy(void *from, void *to); +void printcpuinfo(void); +int pti_get_default(void); +int user_dbreg_trap(register_t dr6); +int minidumpsys(struct dumperinfo *); +struct pcb *get_pcb_td(struct thread *td); + +#endif |