1f9ce647cf
Move archtypes.h to include/ dir, since several servers require it. Move fpu.h and stackframe.h to arch-specific header directory. Make source files and makefiles aware of the new header locations.
83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
#ifndef GLO_H
|
|
#define GLO_H
|
|
|
|
/* Global variables used in the kernel. This file contains the declarations;
|
|
* storage space for the variables is allocated in table.c, because EXTERN is
|
|
* defined as extern unless the _TABLE definition is seen. We rely on the
|
|
* compiler's default initialization (0) for several global variables.
|
|
*/
|
|
#ifdef _TABLE
|
|
#undef EXTERN
|
|
#define EXTERN
|
|
#endif
|
|
|
|
#include <minix/config.h>
|
|
#include <machine/archtypes.h>
|
|
#include "archconst.h"
|
|
#include "config.h"
|
|
#include "debug.h"
|
|
|
|
/* Kernel information structures. This groups vital kernel information. */
|
|
EXTERN struct kinfo kinfo; /* kernel information for users */
|
|
EXTERN struct machine machine; /* machine information for users */
|
|
EXTERN struct kmessages kmess; /* diagnostic messages in kernel */
|
|
EXTERN struct k_randomness krandom; /* gather kernel random information */
|
|
EXTERN struct loadinfo kloadinfo; /* status of load average */
|
|
|
|
/* Process scheduling information and the kernel reentry count. */
|
|
EXTERN struct proc *proc_ptr; /* pointer to currently running process */
|
|
EXTERN struct proc *bill_ptr; /* process to bill for clock ticks */
|
|
EXTERN struct proc *vmrequest; /* first process on vmrequest queue */
|
|
EXTERN struct proc *pagefaults; /* first process on pagefault queue */
|
|
EXTERN unsigned lost_ticks; /* clock ticks counted outside clock task */
|
|
|
|
|
|
/* Interrupt related variables. */
|
|
EXTERN irq_hook_t irq_hooks[NR_IRQ_HOOKS]; /* hooks for general use */
|
|
EXTERN int irq_actids[NR_IRQ_VECTORS]; /* IRQ ID bits active */
|
|
EXTERN int irq_use; /* map of all in-use irq's */
|
|
EXTERN u32_t system_hz; /* HZ value */
|
|
|
|
/* Miscellaneous. */
|
|
EXTERN reg_t mon_ss, mon_sp; /* boot monitor stack */
|
|
EXTERN int mon_return; /* true if we can return to monitor */
|
|
EXTERN int do_serial_debug;
|
|
EXTERN time_t boottime;
|
|
EXTERN char params_buffer[512]; /* boot monitor parameters */
|
|
EXTERN int minix_panicing;
|
|
EXTERN int locklevel;
|
|
EXTERN char fpu_presence;
|
|
EXTERN char osfxsr_feature; /* FXSAVE/FXRSTOR instructions support (SSEx) */
|
|
EXTERN int verboseboot; /* verbose boot, init'ed in cstart */
|
|
#define MAGICTEST 0xC0FFEE23
|
|
EXTERN u32_t magictest; /* global magic number */
|
|
|
|
#if DEBUG_TRACE
|
|
EXTERN int verboseflags;
|
|
#endif
|
|
|
|
#ifdef CONFIG_APIC
|
|
EXTERN int config_no_apic; /* optionaly turn off apic */
|
|
#endif
|
|
|
|
EXTERN unsigned cpu_hz[CONFIG_MAX_CPUS];
|
|
|
|
#define cpu_set_freq(cpu, freq) do {cpu_hz[cpu] = freq;} while (0)
|
|
#define cpu_get_freq(cpu) cpu_hz[cpu]
|
|
|
|
/* VM */
|
|
EXTERN int vm_running;
|
|
EXTERN int catch_pagefaults;
|
|
EXTERN struct proc *ptproc;
|
|
|
|
/* Timing */
|
|
EXTERN util_timingdata_t timingdata[TIMING_CATEGORIES];
|
|
|
|
/* Variables that are initialized elsewhere are just extern here. */
|
|
extern struct boot_image image[]; /* system image processes */
|
|
extern char *t_stack[]; /* task stack space */
|
|
extern struct segdesc_s gdt[]; /* global descriptor table */
|
|
|
|
EXTERN volatile int serial_debug_active;
|
|
|
|
#endif /* GLO_H */
|