kernel/proto.h

   1 /* Function prototypes. */
   2
   3 #ifndef PROTO_H
   4 #define PROTO_H
   5
   6 #include <minix/safecopies.h>
   7 #include <machine/archtypes.h>
   8 #include <sys/sigcontext.h>
   9 #include <a.out.h>
  10
  11 /* Struct declarations. */
  12 struct proc;
  13 struct timer;
  14
  15 /* clock.c */
  16 _PROTOTYPE( clock_t get_uptime, (void)                                  );
  17 _PROTOTYPE( void set_timer, (struct timer *tp, clock_t t, tmr_func_t f) );
  18 _PROTOTYPE( void reset_timer, (struct timer *tp)                        );
  19 _PROTOTYPE( void ser_dump_proc, (void)                                  );
  20
  21 _PROTOTYPE( void cycles_accounting_init, (void)                         );
  22 /*
  23  * This functions start and stop accounting for process, kernel or idle cycles.
  24  * It inherently have to account for some kernel cycles for process too,
  25  * therefore it should be called asap after trapping to kernel and as late as
  26  * possible before returning to userspace. These function is architecture
  27  * dependent
  28  */
  29 _PROTOTYPE( void context_stop, (struct proc * p)                        );
  30 /* this is a wrapper to make calling it from assembly easier */
  31 _PROTOTYPE( void context_stop_idle, (void)                              );
  32 _PROTOTYPE( void restore_fpu, (struct proc *)                           );
  33 _PROTOTYPE( void save_fpu, (struct proc *)                              );
  34 _PROTOTYPE( void fpu_sigcontext, (struct proc *, struct sigframe *fr, struct sigcontext *sc)    );
  35
  36 /* main.c */
  37 _PROTOTYPE( void main, (void)                                           );
  38 _PROTOTYPE( void prepare_shutdown, (int how)                            );
  39 _PROTOTYPE( void minix_shutdown, (struct timer *tp)                     );
  40
  41 /* proc.c */
  42
  43 _PROTOTYPE( int do_ipc, (reg_t r1, reg_t r2, reg_t r3)                  );
  44 _PROTOTYPE( int mini_notify, (const struct proc *src, endpoint_t dst)   );
  45 _PROTOTYPE( void enqueue, (struct proc *rp)                             );
  46 _PROTOTYPE( void dequeue, (const struct proc *rp)                       );
  47 _PROTOTYPE( void switch_to_user, (void)                                 );
  48 _PROTOTYPE( struct proc * arch_finish_switch_to_user, (void)            );
  49 _PROTOTYPE( struct proc *endpoint_lookup, (endpoint_t ep)               );
  50 #if DEBUG_ENABLE_IPC_WARNINGS
  51 _PROTOTYPE( int isokendpt_f, (const char *file, int line, endpoint_t e, int *p, int f));
  52 #define isokendpt_d(e, p, f) isokendpt_f(__FILE__, __LINE__, (e), (p), (f))
  53 #else
  54 _PROTOTYPE( int isokendpt_f, (endpoint_t e, int *p, int f)              );
  55 #define isokendpt_d(e, p, f) isokendpt_f((e), (p), (f))
  56 #endif
  57 _PROTOTYPE( void proc_no_time, (struct proc *p));
  58
  59 /* start.c */
  60 _PROTOTYPE( void cstart, (u16_t cs, u16_t ds, u16_t mds,
  61                                 u16_t parmoff, u16_t parmsize)          );
  62 _PROTOTYPE( char *env_get, (const char *key));
  63
  64 /* system.c */
  65 _PROTOTYPE( int get_priv, (register struct proc *rc, int proc_type)     );
  66 _PROTOTYPE( void set_sendto_bit, (const struct proc *rc, int id)        );
  67 _PROTOTYPE( void unset_sendto_bit, (const struct proc *rc, int id)      );
  68 _PROTOTYPE( void send_sig, (endpoint_t proc_nr, int sig_nr)             );
  69 _PROTOTYPE( void cause_sig, (proc_nr_t proc_nr, int sig_nr)                     );
  70 _PROTOTYPE( void sig_delay_done, (struct proc *rp)                      );
  71 _PROTOTYPE( void kernel_call, (message *m_user, struct proc * caller)   );
  72 _PROTOTYPE( void system_init, (void)                                    );
  73 #define numap_local(proc_nr, vir_addr, bytes) \
  74         umap_local(proc_addr(proc_nr), D, (vir_addr), (bytes))
  75 _PROTOTYPE( phys_bytes umap_grant, (struct proc *, cp_grant_id_t, vir_bytes));
  76 _PROTOTYPE( void clear_endpoint, (struct proc *rc)                      );
  77 _PROTOTYPE( void clear_ipc_refs, (struct proc *rc, int caller_ret)      );
  78 _PROTOTYPE( phys_bytes umap_bios, (vir_bytes vir_addr, vir_bytes bytes));
  79 _PROTOTYPE( void kernel_call_resume, (struct proc *p));
  80
  81 /* system/do_newmap.c */
  82 _PROTOTYPE( int newmap, (struct proc * caller, struct proc *rp,
  83                                         struct mem_map *map_ptr));
  84
  85 /* system/do_vtimer.c */
  86 _PROTOTYPE( void vtimer_check, (struct proc *rp)                        );
  87
  88 /* interrupt.c */
  89 _PROTOTYPE( void put_irq_handler, (irq_hook_t *hook, int irq,
  90                                                  irq_handler_t handler)  );
  91 _PROTOTYPE( void rm_irq_handler, (const irq_hook_t *hook)               );
  92 _PROTOTYPE( void enable_irq, (const irq_hook_t *hook)                   );
  93 _PROTOTYPE( int disable_irq, (const irq_hook_t *hook)                   );
  94
  95 /* debug.c */
  96 _PROTOTYPE( int runqueues_ok, (void) );
  97 _PROTOTYPE( char *rtsflagstr, (int flags) );
  98 _PROTOTYPE( char *miscflagstr, (int flags) );
  99 _PROTOTYPE( char *schedulerstr, (struct proc *scheduler) );
 100 /* prints process information */
 101 _PROTOTYPE( void print_proc, (struct proc *pp));
 102 /* prints the given process and recursively all processes it depends on */
 103 _PROTOTYPE( void print_proc_recursive, (struct proc *pp));
 104
 105 /* system/do_safemap.c */
 106 _PROTOTYPE( int map_invoke_vm, (struct proc * caller, int req_type,
 107                 endpoint_t end_d, int seg_d, vir_bytes off_d,
 108                 endpoint_t end_s, int seg_s, vir_bytes off_s,
 109                 size_t size, int flag));
 110
 111 /* system/do_safecopy.c */
 112 _PROTOTYPE( int verify_grant, (endpoint_t, endpoint_t,
 113         cp_grant_id_t, vir_bytes, int,
 114         vir_bytes, vir_bytes *, endpoint_t *));
 115
 116 /* system/do_sysctl.c */
 117 _PROTOTYPE( int do_sysctl, (struct proc * caller, message *m));
 118
 119 #if SPROFILE
 120 /* profile.c */
 121 _PROTOTYPE( void init_profile_clock, (u32_t)                            );
 122 _PROTOTYPE( void stop_profile_clock, (void)                             );
 123 #endif
 124
 125 /* functions defined in architecture-dependent files. */
 126 _PROTOTYPE( void prot_init, (void)                                      );
 127 _PROTOTYPE( phys_bytes phys_copy, (phys_bytes source, phys_bytes dest,
 128                 phys_bytes count)                                       );
 129 _PROTOTYPE( void phys_copy_fault, (void));
 130 _PROTOTYPE( void phys_copy_fault_in_kernel, (void));
 131 #define virtual_copy(src, dst, bytes) \
 132                                 virtual_copy_f(NULL, src, dst, bytes, 0)
 133 #define virtual_copy_vmcheck(caller, src, dst, bytes) \
 134                                 virtual_copy_f(caller, src, dst, bytes, 1)
 135 _PROTOTYPE( int virtual_copy_f, (struct proc * caller,
 136                         struct vir_addr *src, struct vir_addr *dst,
 137                         vir_bytes bytes, int vmcheck)           );
 138 _PROTOTYPE( int data_copy, (endpoint_t from, vir_bytes from_addr,
 139         endpoint_t to, vir_bytes to_addr, size_t bytes));
 140 _PROTOTYPE( int data_copy_vmcheck, (struct proc *,
 141         endpoint_t from, vir_bytes from_addr,
 142         endpoint_t to, vir_bytes to_addr, size_t bytes));
 143 _PROTOTYPE( void alloc_segments, (struct proc *rp)                      );
 144 _PROTOTYPE( void vm_init, (struct proc *first)                          );
 145 _PROTOTYPE( void vm_stop, (void)                                        );
 146 _PROTOTYPE( phys_bytes umap_local, (register struct proc *rp, int seg,
 147         vir_bytes vir_addr, vir_bytes bytes));
 148 _PROTOTYPE( phys_bytes umap_remote, (const struct proc* rp, int seg,
 149         vir_bytes vir_addr, vir_bytes bytes)                            );
 150 _PROTOTYPE( phys_bytes umap_virtual, (struct proc* rp,
 151                         int seg, vir_bytes vir_addr, vir_bytes bytes)   );
 152 _PROTOTYPE( phys_bytes seg2phys, (u16_t)                                );
 153 _PROTOTYPE( int vm_phys_memset, (phys_bytes source, u8_t pattern,
 154                 phys_bytes count)                                       );
 155 _PROTOTYPE( vir_bytes alloc_remote_segment, (u32_t *, segframe_t *,
 156         int, phys_bytes, vir_bytes, int));
 157 _PROTOTYPE( int intr_init, (int, int)                                   );
 158 _PROTOTYPE( void halt_cpu, (void)                                       );
 159 _PROTOTYPE( void arch_init, (void)                                     );
 160 _PROTOTYPE( void ser_putc, (char)                                               );
 161 _PROTOTYPE( void arch_shutdown, (int)                                   );
 162 _PROTOTYPE( void arch_monitor, (void)                                   );
 163 _PROTOTYPE( void arch_get_aout_headers, (int i, struct exec *h)         );
 164 _PROTOTYPE( void restore_user_context, (struct proc * p)                );
 165 _PROTOTYPE( void read_tsc, (unsigned long *high, unsigned long *low)    );
 166 _PROTOTYPE( int arch_init_profile_clock, (u32_t freq)                   );
 167 _PROTOTYPE( void arch_stop_profile_clock, (void)                        );
 168 _PROTOTYPE( void arch_ack_profile_clock, (void)                         );
 169 _PROTOTYPE( void do_ser_debug, (void)                                   );
 170 _PROTOTYPE( int arch_get_params, (char *parm, int max));
 171 _PROTOTYPE( int arch_set_params, (char *parm, int max));
 172 _PROTOTYPE( void arch_pre_exec, (struct proc *pr, u32_t, u32_t));
 173 _PROTOTYPE( int arch_umap, (const struct proc *pr, vir_bytes, vir_bytes,
 174         int, phys_bytes *));
 175 _PROTOTYPE( int arch_do_vmctl, (message *m_ptr, struct proc *p));
 176 _PROTOTYPE( int vm_contiguous, (const struct proc *targetproc, vir_bytes vir_buf, size_t count));
 177 _PROTOTYPE( void proc_stacktrace, (struct proc *proc)            );
 178 _PROTOTYPE( int vm_lookup, (const struct proc *proc, vir_bytes virtual, vir_bytes *result, u32_t *ptent));
 179 _PROTOTYPE( int delivermsg, (struct proc *target));
 180 _PROTOTYPE( void arch_do_syscall, (struct proc *proc)                   );
 181 _PROTOTYPE( int arch_phys_map, (int index, phys_bytes *addr,
 182         phys_bytes *len, int *flags));
 183 _PROTOTYPE( int arch_phys_map_reply, (int index, vir_bytes addr));
 184 _PROTOTYPE( int arch_enable_paging, (struct proc * caller, const message * m_ptr));
 185
 186 _PROTOTYPE( int copy_msg_from_user, (struct proc * p, message * user_mbuf,
 187                                                         message * dst));
 188 _PROTOTYPE( int copy_msg_to_user, (struct proc * p, message * src,
 189                                                         message * user_mbuf));
 190 _PROTOTYPE(void switch_address_space, (struct proc * p));
 191 _PROTOTYPE(void release_address_space, (struct proc *pr));
 192
 193 /* utility.c */
 194 _PROTOTYPE( void cpu_print_freq, (unsigned cpu));
 195 #endif /* PROTO_H */