make includes fix from trunk

[minix.git] / servers / is / dmp_kernel.c

/* Debugging dump procedures for the kernel. */

#include "inc.h"
#include <timers.h>
#include <machine/interrupt.h>
#include <minix/endpoint.h>
#include <minix/sysutil.h>
#include <minix/sys_config.h>
#include "kernel/const.h"
#include "kernel/config.h"
#include "kernel/debug.h"
#include "kernel/type.h"
#include "kernel/proc.h"
#include "kernel/ipc.h"

#define LINES 22

#define PRINTRTS(rp) { \
        char *procname = "";    \
        printf(" %s", p_rts_flags_str(rp->p_rts_flags));        \
        if (rp->p_rts_flags & RTS_SENDING)                              \
                procname = proc_name(_ENDPOINT_P(rp->p_sendto_e)); \
        else if (rp->p_rts_flags & RTS_RECEIVING)                       \
                procname = proc_name(_ENDPOINT_P(rp->p_getfrom_e)); \
        printf(" %-7.7s", procname);    \
}

static int pagelines;

#define PROCLOOP(rp, oldrp) \
        pagelines = 0; \
        for (rp = oldrp; rp < END_PROC_ADDR; rp++) { \
          oldrp = BEG_PROC_ADDR; \
          if (isemptyp(rp)) continue; \
          if (++pagelines > LINES) { oldrp = rp; printf("--more--\n"); break; }\
          if (proc_nr(rp) == IDLE)      printf("(%2d) ", proc_nr(rp));  \
          else if (proc_nr(rp) < 0)     printf("[%2d] ", proc_nr(rp));  \
          else                          printf(" %2d  ", proc_nr(rp));

#define click_to_round_k(n) \
        ((unsigned) ((((unsigned long) (n) << CLICK_SHIFT) + 512) / 1024))

/* Declare some local dump procedures. */
FORWARD _PROTOTYPE( char *proc_name, (int proc_nr)              );
FORWARD _PROTOTYPE( char *s_traps_str, (int flags)              );
FORWARD _PROTOTYPE( char *s_flags_str, (int flags)              );
FORWARD _PROTOTYPE( char *p_rts_flags_str, (int flags)          );
FORWARD _PROTOTYPE( char *boot_flags_str, (int flags)           );

/* Some global data that is shared among several dumping procedures. 
 * Note that the process table copy has the same name as in the kernel
 * so that most macros and definitions from proc.h also apply here.
 */
PUBLIC struct proc proc[NR_TASKS + NR_PROCS];
PUBLIC struct priv priv[NR_SYS_PROCS];
PUBLIC struct boot_image image[NR_BOOT_PROCS];

/*===========================================================================*
 *                              timing_dmp                                   *
 *===========================================================================*/
PUBLIC void timing_dmp()
{
  static struct util_timingdata timingdata[TIMING_CATEGORIES];
  int r, c, x = 0;

  if ((r = sys_getlocktimings(&timingdata[0])) != OK) {
      printf("IS: warning: couldn't get copy of lock timings: %d\n", r);
      return;
  } 

  for(c = 0; c < TIMING_CATEGORIES; c++) {
        int b;
        if (!timingdata[c].lock_timings_range[0] || !timingdata[c].binsize)
                continue;
        x = printf("%-*s: misses %lu, resets %lu, measurements %lu: ",
        TIMING_NAME, timingdata[c].names,
                timingdata[c].misses,
                timingdata[c].resets,
                timingdata[c].measurements);
        for(b = 0; b < TIMING_POINTS; b++) {
                int w;
                if (!timingdata[c].lock_timings[b])
                        continue;
                x += (w = printf(" %5d: %5d", timingdata[c].lock_timings_range[0] +
                        b*timingdata[c].binsize,
                        timingdata[c].lock_timings[b]));
                if (x + w >= 80) { printf("\n"); x = 0; }
        }
        if (x > 0) printf("\n");
  }
}

/*===========================================================================*
 *                              kmessages_dmp                                *
 *===========================================================================*/
PUBLIC void kmessages_dmp()
{
  struct kmessages kmess;               /* get copy of kernel messages */
  char print_buf[_KMESS_BUF_SIZE+1];    /* this one is used to print */
  int start;                            /* calculate start of messages */
  int r;

  /* Try to get a copy of the kernel messages. */
  if ((r = sys_getkmessages(&kmess)) != OK) {
      printf("IS: warning: couldn't get copy of kmessages: %d\n", r);
      return;
  }

  /* Try to print the kernel messages. First determine start and copy the
   * buffer into a print-buffer. This is done because the messages in the
   * copy may wrap (the kernel buffer is circular).
   */
  start = ((kmess.km_next + _KMESS_BUF_SIZE) - kmess.km_size) % _KMESS_BUF_SIZE;
  r = 0;
  while (kmess.km_size > 0) {
        print_buf[r] = kmess.km_buf[(start+r) % _KMESS_BUF_SIZE];
        r ++;
        kmess.km_size --;
  }
  print_buf[r] = 0;             /* make sure it terminates */
  printf("Dump of all messages generated by the kernel.\n\n"); 
  printf("%s", print_buf);              /* print the messages */
}

/*===========================================================================*
 *                              monparams_dmp                                *
 *===========================================================================*/
PUBLIC void monparams_dmp()
{
  char val[1024];
  char *e;
  int r;

  /* Try to get a copy of the boot monitor parameters. */
  if ((r = sys_getmonparams(val, sizeof(val))) != OK) {
      printf("IS: warning: couldn't get copy of monitor params: %d\n", r);
      return;
  }

  /* Append new lines to the result. */
  e = val;
  do {
        e += strlen(e);
        *e++ = '\n';
  } while (*e != 0); 

  /* Finally, print the result. */
  printf("Dump of kernel environment strings set by boot monitor.\n");
  printf("\n%s\n", val);
}

/*===========================================================================*
 *                              irqtab_dmp                                   *
 *===========================================================================*/
PUBLIC void irqtab_dmp()
{
  int i,r;
  struct irq_hook irq_hooks[NR_IRQ_HOOKS];
  int irq_actids[NR_IRQ_VECTORS];
  struct irq_hook *e;   /* irq tab entry */

  if ((r = sys_getirqhooks(irq_hooks)) != OK) {
      printf("IS: warning: couldn't get copy of irq hooks: %d\n", r);
      return;
  }
  if ((r = sys_getirqactids(irq_actids)) != OK) {
      printf("IS: warning: couldn't get copy of irq mask: %d\n", r);
      return;
  }

#if 0
  printf("irq_actids:");
  for (i= 0; i<NR_IRQ_VECTORS; i++)
        printf(" [%d] = 0x%08x", i, irq_actids[i]);
  printf("\n");
#endif

  printf("IRQ policies dump shows use of kernel's IRQ hooks.\n");
  printf("-h.id- -proc.nr- -irq nr- -policy- -notify id- -masked-\n");
  for (i=0; i<NR_IRQ_HOOKS; i++) {
        e = &irq_hooks[i];
        printf("%3d", i);
        if (e->proc_nr_e==NONE) {
            printf("    <unused>\n");
            continue;
        }
        printf("%10d  ", e->proc_nr_e); 
        printf("    (%02d) ", e->irq); 
        printf("  %s", (e->policy & IRQ_REENABLE) ? "reenable" : "    -   ");
        printf("   %4d", e->notify_id);
        if (irq_actids[e->irq] & e->id)
                printf("       masked");
        printf("\n");
  }
  printf("\n");
}

/*===========================================================================*
 *                            boot_flags_str                                 *
 *===========================================================================*/
PRIVATE char *boot_flags_str(int flags)
{
        static char str[10];
        str[0] = (flags & PROC_FULLVM)        ? 'V' : '-';
        str[1] = '\0';

        return str;
}

/*===========================================================================*
 *                              image_dmp                                    *
 *===========================================================================*/
PUBLIC void image_dmp()
{
  int m, r;
  struct boot_image *ip;
        
  if ((r = sys_getimage(image)) != OK) {
      printf("IS: warning: couldn't get copy of image table: %d\n", r);
      return;
  }
  printf("Image table dump showing all processes included in system image.\n");
  printf("---name- -nr- flags -qs- -queue- -stack-\n");
  for (m=0; m<NR_BOOT_PROCS; m++) { 
      ip = &image[m];
      printf("%8s %4d %5s %4d %7d %7lu\n",
          ip->proc_name, ip->proc_nr,
          boot_flags_str(ip->flags), ip->quantum, ip->priority, ip->stksize); 
  }
  printf("\n");
}


/*===========================================================================*
 *                              kenv_dmp                                     *
 *===========================================================================*/
PUBLIC void kenv_dmp()
{
    struct kinfo kinfo;
    struct machine machine;
    int r;
    if ((r = sys_getkinfo(&kinfo)) != OK) {
        printf("IS: warning: couldn't get copy of kernel info struct: %d\n", r);
        return;
    }
    if ((r = sys_getmachine(&machine)) != OK) {
        printf("IS: warning: couldn't get copy of kernel machine struct: %d\n", r);
        return;
    }

    printf("Dump of kinfo and machine structures.\n\n");
    printf("Machine structure:\n");
    printf("- pc_at:      %3d\n", machine.pc_at); 
    printf("- ps_mca:     %3d\n", machine.ps_mca); 
    printf("- processor:  %3d\n", machine.processor); 
    printf("- vdu_ega:    %3d\n", machine.vdu_ega); 
    printf("- vdu_vga:    %3d\n\n", machine.vdu_vga); 
    printf("Kernel info structure:\n");
    printf("- code_base:  %5u\n", kinfo.code_base); 
    printf("- code_size:  %5u\n", kinfo.code_size); 
    printf("- data_base:  %5u\n", kinfo.data_base); 
    printf("- data_size:  %5u\n", kinfo.data_size); 
    printf("- proc_addr:  %5u\n", kinfo.proc_addr); 
    printf("- bootdev_base:  %5u\n", kinfo.bootdev_base); 
    printf("- bootdev_size:  %5u\n", kinfo.bootdev_size); 
    printf("- ramdev_base:   %5u\n", kinfo.ramdev_base); 
    printf("- ramdev_size:   %5u\n", kinfo.ramdev_size); 
    printf("- nr_procs:     %3u\n", kinfo.nr_procs); 
    printf("- nr_tasks:     %3u\n", kinfo.nr_tasks); 
    printf("- release:      %.6s\n", kinfo.release); 
    printf("- version:      %.6s\n", kinfo.version); 
    printf("\n");
}

/*===========================================================================*
 *                            s_flags_str                                    *
 *===========================================================================*/
PRIVATE char *s_flags_str(int flags)
{
        static char str[10];
        str[0] = (flags & PREEMPTIBLE)        ? 'P' : '-';
        str[1] = (flags & BILLABLE)           ? 'B' : '-';
        str[2] = (flags & DYN_PRIV_ID)        ? 'D' : '-';
        str[3] = (flags & SYS_PROC)           ? 'S' : '-';
        str[4] = (flags & CHECK_IO_PORT)      ? 'I' : '-';
        str[5] = (flags & CHECK_IRQ)          ? 'Q' : '-';
        str[6] = (flags & CHECK_MEM)          ? 'M' : '-';
        str[7] = '\0';

        return str;
}

/*===========================================================================*
 *                            s_traps_str                                    *
 *===========================================================================*/
PRIVATE char *s_traps_str(int flags)
{
        static char str[10];
        str[0] = (flags & (1 << SEND))  ? 'S' : '-';
        str[1] = (flags & (1 << SENDA)) ? 'A' : '-';
        str[2] = (flags & (1 << RECEIVE))  ? 'R' : '-';
        str[3] = (flags & (1 << SENDREC))  ? 'B' : '-';
        str[4] = (flags & (1 << NOTIFY)) ? 'N' : '-';
        str[5] = '\0';

        return str;
}

/*===========================================================================*
 *                              privileges_dmp                               *
 *===========================================================================*/
PUBLIC void privileges_dmp()
{
  register struct proc *rp;
  static struct proc *oldrp = BEG_PROC_ADDR;
  register struct priv *sp;
  int r, i;

  /* First obtain a fresh copy of the current process and system table. */
  if ((r = sys_getprivtab(priv)) != OK) {
      printf("IS: warning: couldn't get copy of system privileges table: %d\n", r);
      return;
  }
  if ((r = sys_getproctab(proc)) != OK) {
      printf("IS: warning: couldn't get copy of process table: %d\n", r);
      return;
  }

  printf("-nr- -id- -name-- -flags-    traps  grants -ipc_to--  -kernel calls-\n");

  PROCLOOP(rp, oldrp)
        r = -1;
        for (sp = &priv[0]; sp < &priv[NR_SYS_PROCS]; sp++) 
            if (sp->s_proc_nr == rp->p_nr) { r ++; break; }
        if (r == -1 && !isemptyp(rp)) {
            sp = &priv[USER_PRIV_ID];
        }
        printf("(%02u) %-7.7s %s    %s %7d",
               sp->s_id, rp->p_name,
               s_flags_str(sp->s_flags), s_traps_str(sp->s_trap_mask),
                sp->s_grant_entries);
        for (i=0; i < NR_SYS_PROCS; i += BITCHUNK_BITS) {
            printf(" %04x", get_sys_bits(sp->s_ipc_to, i));
        }

        printf(" ");
        for (i=0; i < NR_SYS_CALLS; i += BITCHUNK_BITS) {
            printf(" %04x", sp->s_k_call_mask[i/BITCHUNK_BITS]);
        }
        printf("\n");

  }
}

/*===========================================================================*
 *                             p_rts_flags_str                               *
 *===========================================================================*/
PRIVATE char *p_rts_flags_str(int flags)
{
        static char str[10];
        str[0] = (flags & RTS_PROC_STOP) ? 's' : '-';
        str[1] = (flags & RTS_SENDING)  ? 'S' : '-';
        str[2] = (flags & RTS_RECEIVING)    ? 'R' : '-';
        str[3] = (flags & RTS_SIGNALED)    ? 'I' : '-';
        str[4] = (flags & RTS_SIG_PENDING)    ? 'P' : '-';
        str[5] = (flags & RTS_P_STOP)    ? 'T' : '-';
        str[6] = (flags & RTS_NO_PRIV) ? 'p' : '-';
        str[7] = '\0';

        return str;
}

/*===========================================================================*
 *                              proctab_dmp                                  *
 *===========================================================================*/
#if (CHIP == INTEL)
PUBLIC void proctab_dmp()
{
/* Proc table dump */

  register struct proc *rp;
  static struct proc *oldrp = BEG_PROC_ADDR;
  int r;
  phys_clicks text, data, size;

  /* First obtain a fresh copy of the current process table. */
  if ((r = sys_getproctab(proc)) != OK) {
      printf("IS: warning: couldn't get copy of process table: %d\n", r);
      return;
  }

  printf("\n-nr-----gen---endpoint-name--- -prior-quant- -user----sys-rtsflags-from/to-\n");

  PROCLOOP(rp, oldrp)
        text = rp->p_memmap[T].mem_phys;
        data = rp->p_memmap[D].mem_phys;
        size = rp->p_memmap[T].mem_len
                + ((rp->p_memmap[S].mem_phys + rp->p_memmap[S].mem_len) - data);
        printf(" %5d %10d ", _ENDPOINT_G(rp->p_endpoint), rp->p_endpoint);
        printf("%-8.8s %5u %5lu %6lu %6lu ",
               rp->p_name,
               rp->p_priority,
               rp->p_quantum_size_ms,
               rp->p_user_time, rp->p_sys_time);
        PRINTRTS(rp);
        printf("\n");
  }
}
#endif                          /* (CHIP == INTEL) */

/*===========================================================================*
 *                              procstack_dmp                                *
 *===========================================================================*/
PUBLIC void procstack_dmp()
{
/* Proc table dump, with stack */

  register struct proc *rp;
  static struct proc *oldrp = BEG_PROC_ADDR;
  int r;

  /* First obtain a fresh copy of the current process table. */
  if ((r = sys_getproctab(proc)) != OK) {
      printf("IS: warning: couldn't get copy of process table: %d\n", r);
      return;
  }

  printf("\n-nr-rts flags--      --stack--\n");

  PROCLOOP(rp, oldrp)
        PRINTRTS(rp);
        sys_sysctl_stacktrace(rp->p_endpoint);
  }
}

/*===========================================================================*
 *                              memmap_dmp                                   *
 *===========================================================================*/
PUBLIC void memmap_dmp()
{
  register struct proc *rp;
  static struct proc *oldrp = proc;
  int r;
  phys_clicks size;

  /* First obtain a fresh copy of the current process table. */
  if ((r = sys_getproctab(proc)) != OK) {
      printf("IS: warning: couldn't get copy of process table: %d\n", r);
      return;
  }

  printf("\n-nr/name--- --pc--   --sp-- -text---- -data---- -stack--- -cr3-\n");
  PROCLOOP(rp, oldrp)
        size = rp->p_memmap[T].mem_len
                + ((rp->p_memmap[S].mem_phys + rp->p_memmap[S].mem_len)
                                                - rp->p_memmap[D].mem_phys);
        printf("%-7.7s%7lx %8lx %4x %4x %4x %4x %5x %5x %8lx\n",
               rp->p_name,
               (unsigned long) rp->p_reg.pc,
               (unsigned long) rp->p_reg.sp,
               rp->p_memmap[T].mem_phys, rp->p_memmap[T].mem_len,
               rp->p_memmap[D].mem_phys, rp->p_memmap[D].mem_len,
               rp->p_memmap[S].mem_phys, rp->p_memmap[S].mem_len,
               rp->p_seg.p_cr3);
  }
}

/*===========================================================================*
 *                              proc_name                                    *
 *===========================================================================*/
PRIVATE char *proc_name(proc_nr)
int proc_nr;
{
  struct proc *p;
  if (proc_nr == ANY) return "ANY";
  if (proc_nr == NONE) return "NONE";   /* bogus */
  if (proc_nr < -NR_TASKS || proc_nr >= NR_PROCS) return "BOGUS";
  p = cproc_addr(proc_nr);
  if (isemptyp(p)) return "EMPTY";      /* bogus */
  return p->p_name;
}