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232 lines
7.8 KiB
232 lines
7.8 KiB
/* Function prototypes. */
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/* FIXME this is a hack how to avoid inclusion conflicts */
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#ifdef __kernel__
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#ifndef PROTO_H
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#define PROTO_H
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#include <minix/safecopies.h>
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#include <machine/archtypes.h>
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#include <machine/signal.h>
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#include <machine/frame.h>
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/* Struct declarations. */
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struct proc;
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/* clock.c */
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clock_t get_realtime(void);
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void set_realtime(clock_t);
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void set_adjtime_delta(int32_t);
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clock_t get_monotonic(void);
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void set_kernel_timer(minix_timer_t *tp, clock_t t, tmr_func_t f);
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void reset_kernel_timer(minix_timer_t *tp);
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void ser_dump_proc(void);
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void cycles_accounting_init(void);
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/*
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* This functions start and stop accounting for process, kernel or idle cycles.
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* It inherently have to account for some kernel cycles for process too,
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* therefore it should be called asap after trapping to kernel and as late as
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* possible before returning to userspace. These function is architecture
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* dependent
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*/
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void context_stop(struct proc * p);
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/* this is a wrapper to make calling it from assembly easier */
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void context_stop_idle(void);
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int restore_fpu(struct proc *);
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void save_fpu(struct proc *);
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void save_local_fpu(struct proc *, int retain);
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void fpu_sigcontext(struct proc *, struct sigframe_sigcontext *fr, struct
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sigcontext *sc);
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/* main.c */
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#ifndef UNPAGED
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#define kmain __k_unpaged_kmain
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#endif
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void kmain(kinfo_t *cbi);
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void prepare_shutdown(int how);
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__dead void minix_shutdown(minix_timer_t *tp);
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void bsp_finish_booting(void);
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/* proc.c */
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int do_ipc(reg_t r1, reg_t r2, reg_t r3);
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void proc_init(void);
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int cancel_async(struct proc *src, struct proc *dst);
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int has_pending_notify(struct proc * caller, int src_p);
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int has_pending_asend(struct proc * caller, int src_p);
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void unset_notify_pending(struct proc * caller, int src_p);
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int mini_notify(const struct proc *src, endpoint_t dst);
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void enqueue(struct proc *rp);
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void dequeue(struct proc *rp);
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void switch_to_user(void);
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void arch_proc_reset(struct proc *rp);
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void arch_proc_setcontext(struct proc *rp, struct stackframe_s *state,
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int user, int restorestyle);
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struct proc * arch_finish_switch_to_user(void);
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struct proc *endpoint_lookup(endpoint_t ep);
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#if DEBUG_ENABLE_IPC_WARNINGS
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int isokendpt_f(const char *file, int line, endpoint_t e, int *p, int
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f);
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#define isokendpt_d(e, p, f) isokendpt_f(__FILE__, __LINE__, (e), (p), (f))
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#else
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int isokendpt_f(endpoint_t e, int *p, int f);
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#define isokendpt_d(e, p, f) isokendpt_f((e), (p), (f))
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#endif
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void proc_no_time(struct proc *p);
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void reset_proc_accounting(struct proc *p);
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void increase_proc_signals(struct proc *p);
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void flag_account(struct proc *p, int flag);
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int try_deliver_senda(struct proc *caller_ptr, asynmsg_t *table, size_t
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size);
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/* start.c */
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void cstart();
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char *env_get(const char *key);
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/* system.c */
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int get_priv(register struct proc *rc, int proc_type);
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void set_sendto_bit(const struct proc *rc, int id);
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void unset_sendto_bit(const struct proc *rc, int id);
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void fill_sendto_mask(const struct proc *rc, sys_map_t *map);
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int send_sig(endpoint_t proc_nr, int sig_nr);
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void cause_sig(proc_nr_t proc_nr, int sig_nr);
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void sig_delay_done(struct proc *rp);
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void send_diag_sig(void);
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void kernel_call(message *m_user, struct proc * caller);
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void system_init(void);
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void clear_endpoint(struct proc *rc);
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void clear_ipc_refs(struct proc *rc, int caller_ret);
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void kernel_call_resume(struct proc *p);
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int sched_proc(struct proc *rp, int priority, int quantum, int cpu);
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/* system/do_vtimer.c */
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void vtimer_check(struct proc *rp);
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/* interrupt.c */
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void put_irq_handler(irq_hook_t *hook, int irq, irq_handler_t handler);
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void rm_irq_handler(const irq_hook_t *hook);
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void enable_irq(const irq_hook_t *hook);
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int disable_irq(const irq_hook_t *hook);
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void interrupts_enable(void);
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void interrupts_disable(void);
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/* debug.c */
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int runqueues_ok(void);
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#ifndef CONFIG_SMP
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#define runqueues_ok_local runqueues_ok
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#else
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#define runqueues_ok_local() runqueues_ok_cpu(cpuid)
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int runqueues_ok_cpu(unsigned cpu);
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#endif
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char *rtsflagstr(u32_t flags);
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char *miscflagstr(u32_t flags);
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char *schedulerstr(struct proc *scheduler);
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/* prints process information */
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void print_proc(struct proc *pp);
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/* prints the given process and recursively all processes it depends on */
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void print_proc_recursive(struct proc *pp);
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#if DEBUG_IPC_HOOK
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void hook_ipc_msgrecv(message *msg, struct proc *src, struct proc *dst);
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void hook_ipc_msgsend(message *msg, struct proc *src, struct proc *dst);
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void hook_ipc_msgkcall(message *msg, struct proc *proc);
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void hook_ipc_msgkresult(message *msg, struct proc *proc);
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void hook_ipc_clear(struct proc *proc);
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#endif
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/* system/do_safecopy.c */
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int verify_grant(endpoint_t, endpoint_t, cp_grant_id_t, vir_bytes, int,
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vir_bytes, vir_bytes *, endpoint_t *, u32_t *);
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/* system/do_diagctl.c */
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int do_diagctl(struct proc * caller, message *m);
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#if SPROFILE
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/* profile.c */
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void init_profile_clock(u32_t);
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void stop_profile_clock(void);
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#endif
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/* functions defined in architecture-dependent files. */
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void prot_init();
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void arch_post_init();
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void arch_set_secondary_ipc_return(struct proc *, u32_t val);
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phys_bytes phys_copy(phys_bytes source, phys_bytes dest, phys_bytes
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count);
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void phys_copy_fault(void);
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void phys_copy_fault_in_kernel(void);
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void memset_fault(void);
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void memset_fault_in_kernel(void);
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#define virtual_copy(src, dst, bytes) \
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virtual_copy_f(NULL, src, dst, bytes, 0)
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#define virtual_copy_vmcheck(caller, src, dst, bytes) \
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virtual_copy_f(caller, src, dst, bytes, 1)
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int virtual_copy_f(struct proc * caller, struct vir_addr *src, struct
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vir_addr *dst, vir_bytes bytes, int vmcheck);
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int data_copy(endpoint_t from, vir_bytes from_addr, endpoint_t to,
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vir_bytes to_addr, size_t bytes);
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int data_copy_vmcheck(struct proc *, endpoint_t from, vir_bytes
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from_addr, endpoint_t to, vir_bytes to_addr, size_t bytes);
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phys_bytes umap_virtual(struct proc* rp, int seg, vir_bytes vir_addr,
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vir_bytes bytes);
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phys_bytes seg2phys(u16_t);
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int vm_memset(struct proc *caller, endpoint_t who, phys_bytes dst,
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int pattern, phys_bytes count);
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int intr_init(int);
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void halt_cpu(void);
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void arch_init(void);
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void arch_boot_proc(struct boot_image *b, struct proc *p);
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void cpu_identify(void);
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/* arch dependent FPU initialization per CPU */
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void fpu_init(void);
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/* returns true if pfu is present and initialized */
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int is_fpu(void);
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void ser_putc(char);
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__dead void arch_shutdown(int);
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void restore_user_context(struct proc * p);
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void read_tsc(u32_t *high, u32_t *low);
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int arch_init_profile_clock(u32_t freq);
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void arch_stop_profile_clock(void);
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void arch_ack_profile_clock(void);
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void do_ser_debug(void);
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int arch_get_params(char *parm, int max);
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void memory_init(void);
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void mem_clear_mapcache(void);
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void arch_proc_init(struct proc *pr, u32_t, u32_t, u32_t, char *);
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int arch_do_vmctl(message *m_ptr, struct proc *p);
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int vm_contiguous(const struct proc *targetproc, vir_bytes vir_buf,
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size_t count);
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void proc_stacktrace(struct proc *proc);
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int vm_lookup(const struct proc *proc, vir_bytes virtual, phys_bytes
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*result, u32_t *ptent);
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size_t vm_lookup_range(const struct proc *proc,
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vir_bytes vir_addr, phys_bytes *phys_addr, size_t bytes);
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void delivermsg(struct proc *target);
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void arch_do_syscall(struct proc *proc);
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int arch_phys_map(int index, phys_bytes *addr, phys_bytes *len, int
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*flags);
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int arch_phys_map_reply(int index, vir_bytes addr);
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reg_t arch_get_sp(struct proc *p);
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int arch_enable_paging(struct proc * caller);
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int vm_check_range(struct proc *caller,
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struct proc *target, vir_bytes vir_addr, size_t bytes, int writable);
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int copy_msg_from_user(message * user_mbuf, message * dst);
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int copy_msg_to_user(message * src, message * user_mbuf);
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void switch_address_space(struct proc * p);
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void release_address_space(struct proc *pr);
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void enable_fpu_exception(void);
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void disable_fpu_exception(void);
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void release_fpu(struct proc * p);
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void arch_pause(void);
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short cpu_load(void);
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void busy_delay_ms(int ms);
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/* utility.c */
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void cpu_print_freq(unsigned cpu);
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#endif /* __kernel__ */
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#endif /* PROTO_H */
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