561 lines
18 KiB
C
561 lines
18 KiB
C
/* Debugging dump procedures for the kernel. */
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#include "inc.h"
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#include <timers.h>
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#include <ibm/interrupt.h>
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#include <minix/endpoint.h>
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#include "../../kernel/const.h"
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#include "../../kernel/config.h"
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#include "../../kernel/debug.h"
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#include "../../kernel/type.h"
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#include "../../kernel/proc.h"
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#include "../../kernel/ipc.h"
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#define click_to_round_k(n) \
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((unsigned) ((((unsigned long) (n) << CLICK_SHIFT) + 512) / 1024))
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/* Declare some local dump procedures. */
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FORWARD _PROTOTYPE( char *proc_name, (int proc_nr) );
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FORWARD _PROTOTYPE( char *s_traps_str, (int flags) );
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FORWARD _PROTOTYPE( char *s_flags_str, (int flags) );
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FORWARD _PROTOTYPE( char *p_rts_flags_str, (int flags) );
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/* Some global data that is shared among several dumping procedures.
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* Note that the process table copy has the same name as in the kernel
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* so that most macros and definitions from proc.h also apply here.
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*/
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PUBLIC struct proc proc[NR_TASKS + NR_PROCS];
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PUBLIC struct priv priv[NR_SYS_PROCS];
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PUBLIC struct boot_image image[NR_BOOT_PROCS];
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/*===========================================================================*
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* timing_dmp *
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*===========================================================================*/
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PUBLIC void timing_dmp()
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{
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#if ! DEBUG_TIME_LOCKS
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printf("Enable the DEBUG_TIME_LOCKS definition in src/kernel/config.h\n");
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#else
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static struct lock_timingdata timingdata[TIMING_CATEGORIES];
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int r, c, f, skipped = 0, printed = 0, maxlines = 23, x = 0;
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static int offsetlines = 0;
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if ((r = sys_getlocktimings(&timingdata[0])) != OK) {
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report("IS","warning: couldn't get copy of lock timings", r);
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return;
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}
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for(c = 0; c < TIMING_CATEGORIES; c++) {
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int b;
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if (!timingdata[c].lock_timings_range[0] || !timingdata[c].binsize)
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continue;
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x = printf("%-*s: misses %lu, resets %lu, measurements %lu: ",
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TIMING_NAME, timingdata[c].names,
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timingdata[c].misses,
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timingdata[c].resets,
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timingdata[c].measurements);
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for(b = 0; b < TIMING_POINTS; b++) {
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int w;
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if (!timingdata[c].lock_timings[b])
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continue;
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x += (w = printf(" %5d: %5d", timingdata[c].lock_timings_range[0] +
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b*timingdata[c].binsize,
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timingdata[c].lock_timings[b]));
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if (x + w >= 80) { printf("\n"); x = 0; }
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}
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if (x > 0) printf("\n");
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}
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#endif
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}
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/*===========================================================================*
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* kmessages_dmp *
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*===========================================================================*/
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PUBLIC void kmessages_dmp()
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{
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struct kmessages kmess; /* get copy of kernel messages */
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char print_buf[KMESS_BUF_SIZE+1]; /* this one is used to print */
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int start; /* calculate start of messages */
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int r;
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/* Try to get a copy of the kernel messages. */
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if ((r = sys_getkmessages(&kmess)) != OK) {
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report("IS","warning: couldn't get copy of kmessages", r);
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return;
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}
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/* Try to print the kernel messages. First determine start and copy the
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* buffer into a print-buffer. This is done because the messages in the
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* copy may wrap (the kernel buffer is circular).
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*/
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start = ((kmess.km_next + KMESS_BUF_SIZE) - kmess.km_size) % KMESS_BUF_SIZE;
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r = 0;
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while (kmess.km_size > 0) {
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print_buf[r] = kmess.km_buf[(start+r) % KMESS_BUF_SIZE];
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r ++;
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kmess.km_size --;
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}
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print_buf[r] = 0; /* make sure it terminates */
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printf("Dump of all messages generated by the kernel.\n\n");
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printf("%s", print_buf); /* print the messages */
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}
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/*===========================================================================*
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* monparams_dmp *
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*===========================================================================*/
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PUBLIC void monparams_dmp()
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{
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char val[1024];
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char *e;
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int r;
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/* Try to get a copy of the boot monitor parameters. */
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if ((r = sys_getmonparams(val, sizeof(val))) != OK) {
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report("IS","warning: couldn't get copy of monitor params", r);
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return;
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}
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/* Append new lines to the result. */
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e = val;
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do {
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e += strlen(e);
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*e++ = '\n';
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} while (*e != 0);
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/* Finally, print the result. */
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printf("Dump of kernel environment strings set by boot monitor.\n");
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printf("\n%s\n", val);
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}
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/*===========================================================================*
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* irqtab_dmp *
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*===========================================================================*/
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PUBLIC void irqtab_dmp()
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{
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int i,r;
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struct irq_hook irq_hooks[NR_IRQ_HOOKS];
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int irq_actids[NR_IRQ_VECTORS];
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struct irq_hook *e; /* irq tab entry */
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char *irq[] = {
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"clock", /* 00 */
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"keyboard", /* 01 */
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"cascade", /* 02 */
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"rs232", /* 03 */
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"rs232", /* 04 */
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"NIC(eth)", /* 05 */
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"floppy", /* 06 */
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"printer", /* 07 */
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"", /* 08 */
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"", /* 09 */
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"", /* 10 */
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"", /* 11 */
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"", /* 12 */
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"", /* 13 */
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"at_wini_0", /* 14 */
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"at_wini_1", /* 15 */
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};
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if ((r = sys_getirqhooks(irq_hooks)) != OK) {
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report("IS","warning: couldn't get copy of irq hooks", r);
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return;
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}
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if ((r = sys_getirqactids(irq_actids)) != OK) {
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report("IS","warning: couldn't get copy of irq mask", r);
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return;
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}
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#if 0
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printf("irq_actids:");
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for (i= 0; i<NR_IRQ_VECTORS; i++)
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printf(" [%d] = 0x%08x", i, irq_actids[i]);
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printf("\n");
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#endif
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printf("IRQ policies dump shows use of kernel's IRQ hooks.\n");
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printf("-h.id- -proc.nr- -IRQ vector (nr.)- -policy- -notify id-\n");
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for (i=0; i<NR_IRQ_HOOKS; i++) {
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e = &irq_hooks[i];
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printf("%3d", i);
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if (e->proc_nr_e==NONE) {
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printf(" <unused>\n");
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continue;
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}
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printf("%10d ", e->proc_nr_e);
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printf(" %9.9s (%02d) ", irq[e->irq], e->irq);
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printf(" %s", (e->policy & IRQ_REENABLE) ? "reenable" : " - ");
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printf(" %d", e->notify_id);
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if (irq_actids[e->irq] & (1 << i))
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printf("masked");
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printf("\n");
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}
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printf("\n");
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}
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/*===========================================================================*
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* image_dmp *
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*===========================================================================*/
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PUBLIC void image_dmp()
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{
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int m, i,j,r;
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struct boot_image *ip;
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static char ipc_to[BITCHUNK_BITS*2];
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if ((r = sys_getimage(image)) != OK) {
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report("IS","warning: couldn't get copy of image table", r);
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return;
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}
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printf("Image table dump showing all processes included in system image.\n");
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printf("---name-- -nr- -flags- -traps- -sq- ----pc- -stack- -ipc_to[0]--------\n");
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for (m=0; m<NR_BOOT_PROCS; m++) {
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ip = &image[m];
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for (i=j=0; i < BITCHUNK_BITS; i++, j++) {
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ipc_to[j] = (ip->ipc_to & (1<<i)) ? '1' : '0';
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if (i % 8 == 7) ipc_to[++j] = ' ';
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}
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ipc_to[j] = '\0';
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printf("%8s %4d %s %s %3d %7lu %7lu %s\n",
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ip->proc_name, ip->proc_nr,
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s_flags_str(ip->flags), s_traps_str(ip->trap_mask),
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ip->priority, (long)ip->initial_pc, ip->stksize, ipc_to);
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}
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printf("\n");
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}
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/*===========================================================================*
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* sched_dmp *
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*===========================================================================*/
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PUBLIC void sched_dmp()
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{
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struct proc *rdy_head[NR_SCHED_QUEUES];
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struct kinfo kinfo;
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register struct proc *rp;
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vir_bytes ptr_diff;
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int r;
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/* First obtain a scheduling information. */
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if ((r = sys_getschedinfo(proc, rdy_head)) != OK) {
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report("IS","warning: couldn't get copy of process table", r);
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return;
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}
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/* Then obtain kernel addresses to correct pointer information. */
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if ((r = sys_getkinfo(&kinfo)) != OK) {
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report("IS","warning: couldn't get kernel addresses", r);
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return;
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}
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/* Update all pointers. Nasty pointer algorithmic ... */
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ptr_diff = (vir_bytes) proc - (vir_bytes) kinfo.proc_addr;
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for (r=0;r<NR_SCHED_QUEUES; r++)
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if (rdy_head[r] != NIL_PROC)
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rdy_head[r] =
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(struct proc *)((vir_bytes) rdy_head[r] + ptr_diff);
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for (rp=BEG_PROC_ADDR; rp < END_PROC_ADDR; rp++)
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if (rp->p_nextready != NIL_PROC)
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rp->p_nextready =
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(struct proc *)((vir_bytes) rp->p_nextready + ptr_diff);
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/* Now show scheduling queues. */
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printf("Dumping scheduling queues.\n");
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for (r=0;r<NR_SCHED_QUEUES; r++) {
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rp = rdy_head[r];
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if (!rp) continue;
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printf("%2d: ", r);
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while (rp != NIL_PROC) {
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printf("%3d ", rp->p_nr);
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rp = rp->p_nextready;
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}
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printf("\n");
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}
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printf("\n");
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}
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/*===========================================================================*
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* kenv_dmp *
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*===========================================================================*/
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PUBLIC void kenv_dmp()
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{
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struct kinfo kinfo;
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struct machine machine;
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int r;
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if ((r = sys_getkinfo(&kinfo)) != OK) {
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report("IS","warning: couldn't get copy of kernel info struct", r);
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return;
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}
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if ((r = sys_getmachine(&machine)) != OK) {
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report("IS","warning: couldn't get copy of kernel machine struct", r);
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return;
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}
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printf("Dump of kinfo and machine structures.\n\n");
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printf("Machine structure:\n");
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printf("- pc_at: %3d\n", machine.pc_at);
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printf("- ps_mca: %3d\n", machine.ps_mca);
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printf("- processor: %3d\n", machine.processor);
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printf("- protected: %3d\n", machine.protected);
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printf("- vdu_ega: %3d\n", machine.vdu_ega);
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printf("- vdu_vga: %3d\n\n", machine.vdu_vga);
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printf("Kernel info structure:\n");
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printf("- code_base: %5u\n", kinfo.code_base);
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printf("- code_size: %5u\n", kinfo.code_size);
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printf("- data_base: %5u\n", kinfo.data_base);
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printf("- data_size: %5u\n", kinfo.data_size);
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printf("- proc_addr: %5u\n", kinfo.proc_addr);
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printf("- kmem_base: %5u\n", kinfo.kmem_base);
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printf("- kmem_size: %5u\n", kinfo.kmem_size);
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printf("- bootdev_base: %5u\n", kinfo.bootdev_base);
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printf("- bootdev_size: %5u\n", kinfo.bootdev_size);
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printf("- ramdev_base: %5u\n", kinfo.ramdev_base);
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printf("- ramdev_size: %5u\n", kinfo.ramdev_size);
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printf("- params_base: %5u\n", kinfo.params_base);
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printf("- params_size: %5u\n", kinfo.params_size);
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printf("- nr_procs: %3u\n", kinfo.nr_procs);
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printf("- nr_tasks: %3u\n", kinfo.nr_tasks);
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printf("- release: %.6s\n", kinfo.release);
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printf("- version: %.6s\n", kinfo.version);
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#if DEBUG_LOCK_CHECK
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printf("- relocking: %d\n", kinfo.relocking);
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#endif
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printf("\n");
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}
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PRIVATE char *s_flags_str(int flags)
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{
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static char str[10];
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str[0] = (flags & PREEMPTIBLE) ? 'P' : '-';
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str[1] = '-';
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str[2] = (flags & BILLABLE) ? 'B' : '-';
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str[3] = (flags & SYS_PROC) ? 'S' : '-';
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str[4] = '-';
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str[5] = '\0';
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return str;
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}
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PRIVATE char *s_traps_str(int flags)
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{
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static char str[10];
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str[0] = (flags & (1 << ECHO)) ? 'E' : '-';
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str[1] = (flags & (1 << SEND)) ? 'S' : '-';
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str[2] = (flags & (1 << RECEIVE)) ? 'R' : '-';
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str[3] = (flags & (1 << SENDREC)) ? 'B' : '-';
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str[4] = (flags & (1 << NOTIFY)) ? 'N' : '-';
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str[5] = '\0';
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return str;
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}
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/*===========================================================================*
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* privileges_dmp *
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*===========================================================================*/
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PUBLIC void privileges_dmp()
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{
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register struct proc *rp;
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static struct proc *oldrp = BEG_PROC_ADDR;
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register struct priv *sp;
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static char ipc_to[NR_SYS_PROCS + 1 + NR_SYS_PROCS/8];
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int r, i,j, n = 0;
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/* First obtain a fresh copy of the current process and system table. */
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if ((r = sys_getprivtab(priv)) != OK) {
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report("IS","warning: couldn't get copy of system privileges table", r);
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return;
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}
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if ((r = sys_getproctab(proc)) != OK) {
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report("IS","warning: couldn't get copy of process table", r);
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return;
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}
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printf("\n--nr-id-name---- -flags- -traps- -ipc_to mask------------------------ \n");
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for (rp = oldrp; rp < END_PROC_ADDR; rp++) {
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if (isemptyp(rp)) continue;
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if (++n > 23) break;
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if (proc_nr(rp) == IDLE) printf("(%2d) ", proc_nr(rp));
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else if (proc_nr(rp) < 0) printf("[%2d] ", proc_nr(rp));
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else printf(" %2d ", proc_nr(rp));
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r = -1;
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for (sp = &priv[0]; sp < &priv[NR_SYS_PROCS]; sp++)
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if (sp->s_proc_nr == rp->p_nr) { r ++; break; }
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if (r == -1 && ! (rp->p_rts_flags & SLOT_FREE)) {
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sp = &priv[USER_PRIV_ID];
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}
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printf("(%02u) %-7.7s %s %s ",
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sp->s_id, rp->p_name,
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s_flags_str(sp->s_flags), s_traps_str(sp->s_trap_mask)
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);
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for (i=j=0; i < NR_SYS_PROCS; i++, j++) {
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ipc_to[j] = get_sys_bit(sp->s_ipc_to, i) ? '1' : '0';
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if (i % 8 == 7) ipc_to[++j] = ' ';
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}
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ipc_to[j] = '\0';
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printf(" %s \n", ipc_to);
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}
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if (rp == END_PROC_ADDR) rp = BEG_PROC_ADDR; else printf("--more--\r");
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oldrp = rp;
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}
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/*===========================================================================*
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* sendmask_dmp *
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*===========================================================================*/
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PUBLIC void sendmask_dmp()
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{
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register struct proc *rp;
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static struct proc *oldrp = BEG_PROC_ADDR;
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int r, i,j, n = 0;
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/* First obtain a fresh copy of the current process table. */
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if ((r = sys_getproctab(proc)) != OK) {
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report("IS","warning: couldn't get copy of process table", r);
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return;
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}
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printf("\n\n");
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printf("Sendmask dump for process table. User processes (*) don't have [].");
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printf("\n");
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printf("The rows of bits indicate to which processes each process may send.");
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printf("\n\n");
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#if DEAD_CODE
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printf(" ");
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for (j=proc_nr(BEG_PROC_ADDR); j< INIT_PROC_NR+1; j++) {
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printf("%3d", j);
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}
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printf(" *\n");
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for (rp = oldrp; rp < END_PROC_ADDR; rp++) {
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if (isemptyp(rp)) continue;
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if (++n > 20) break;
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printf("%8s ", rp->p_name);
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if (proc_nr(rp) == IDLE) printf("(%2d) ", proc_nr(rp));
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else if (proc_nr(rp) < 0) printf("[%2d] ", proc_nr(rp));
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else printf(" %2d ", proc_nr(rp));
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for (j=proc_nr(BEG_PROC_ADDR); j<INIT_PROC_NR+2; j++) {
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if (isallowed(rp->p_sendmask, j)) printf(" 1 ");
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else printf(" 0 ");
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}
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printf("\n");
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}
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if (rp == END_PROC_ADDR) { printf("\n"); rp = BEG_PROC_ADDR; }
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else printf("--more--\r");
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oldrp = rp;
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#endif
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}
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PRIVATE char *p_rts_flags_str(int flags)
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{
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static char str[10];
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str[0] = (flags & NO_PRIORITY) ? 's' : '-';
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str[1] = (flags & SENDING) ? 'S' : '-';
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str[2] = (flags & RECEIVING) ? 'R' : '-';
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str[3] = (flags & SIGNALED) ? 'I' : '-';
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str[4] = (flags & SIG_PENDING) ? 'P' : '-';
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str[5] = (flags & P_STOP) ? 'T' : '-';
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str[6] = (flags & NO_PRIV) ? 'p' : '-';
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str[7] = '\0';
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return str;
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}
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/*===========================================================================*
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* proctab_dmp *
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*===========================================================================*/
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#if (CHIP == INTEL)
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PUBLIC void proctab_dmp()
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|
{
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/* Proc table dump */
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|
|
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register struct proc *rp;
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static struct proc *oldrp = BEG_PROC_ADDR;
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int r, n = 0;
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phys_clicks text, data, size;
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|
|
|
/* First obtain a fresh copy of the current process table. */
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|
if ((r = sys_getproctab(proc)) != OK) {
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report("IS","warning: couldn't get copy of process table", r);
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return;
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|
}
|
|
|
|
printf("\n-nr-----gen---endpoint-name--- -prior-quant- -user---sys----size-rts flags-\n");
|
|
|
|
for (rp = oldrp; rp < END_PROC_ADDR; rp++) {
|
|
if (isemptyp(rp)) continue;
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|
if (++n > 23) break;
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|
text = rp->p_memmap[T].mem_phys;
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|
data = rp->p_memmap[D].mem_phys;
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|
size = rp->p_memmap[T].mem_len
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+ ((rp->p_memmap[S].mem_phys + rp->p_memmap[S].mem_len) - data);
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if (proc_nr(rp) == IDLE) printf("(%2d) ", proc_nr(rp));
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|
else if (proc_nr(rp) < 0) printf("[%2d] ", proc_nr(rp));
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|
else printf(" %2d ", proc_nr(rp));
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|
printf(" %5d %10d ", _ENDPOINT_G(rp->p_endpoint), rp->p_endpoint);
|
|
printf("%-8.8s %02u/%02u %02d/%02u %6lu%6lu %6uK %s",
|
|
rp->p_name,
|
|
rp->p_priority, rp->p_max_priority,
|
|
rp->p_ticks_left, rp->p_quantum_size,
|
|
rp->p_user_time, rp->p_sys_time,
|
|
click_to_round_k(size),
|
|
p_rts_flags_str(rp->p_rts_flags));
|
|
if (rp->p_rts_flags & (SENDING|RECEIVING)) {
|
|
printf(" %-7.7s", proc_name(_ENDPOINT_P(rp->p_getfrom_e)));
|
|
}
|
|
printf("\n");
|
|
}
|
|
if (rp == END_PROC_ADDR) rp = BEG_PROC_ADDR; else printf("--more--\r");
|
|
oldrp = rp;
|
|
}
|
|
#endif /* (CHIP == INTEL) */
|
|
|
|
/*===========================================================================*
|
|
* memmap_dmp *
|
|
*===========================================================================*/
|
|
PUBLIC void memmap_dmp()
|
|
{
|
|
register struct proc *rp;
|
|
static struct proc *oldrp = proc;
|
|
int r, n = 0;
|
|
phys_clicks size;
|
|
|
|
/* First obtain a fresh copy of the current process table. */
|
|
if ((r = sys_getproctab(proc)) != OK) {
|
|
report("IS","warning: couldn't get copy of process table", r);
|
|
return;
|
|
}
|
|
|
|
printf("\n-nr/name--- --pc-- --sp-- -----text----- -----data----- ----stack----- --size-\n");
|
|
for (rp = oldrp; rp < END_PROC_ADDR; rp++) {
|
|
if (isemptyp(rp)) continue;
|
|
if (++n > 23) break;
|
|
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("%3d %-7.7s%7lx%7lx %4x %4x %4x %4x %4x %4x %4x %4x %4x %5uK\n",
|
|
proc_nr(rp),
|
|
rp->p_name,
|
|
(unsigned long) rp->p_reg.pc,
|
|
(unsigned long) rp->p_reg.sp,
|
|
rp->p_memmap[T].mem_vir, rp->p_memmap[T].mem_phys, rp->p_memmap[T].mem_len,
|
|
rp->p_memmap[D].mem_vir, rp->p_memmap[D].mem_phys, rp->p_memmap[D].mem_len,
|
|
rp->p_memmap[S].mem_vir, rp->p_memmap[S].mem_phys, rp->p_memmap[S].mem_len,
|
|
click_to_round_k(size));
|
|
}
|
|
if (rp == END_PROC_ADDR) rp = proc;
|
|
else printf("--more--\r");
|
|
oldrp = rp;
|
|
}
|
|
|
|
/*===========================================================================*
|
|
* proc_name *
|
|
*===========================================================================*/
|
|
PRIVATE char *proc_name(proc_nr)
|
|
int proc_nr;
|
|
{
|
|
if (proc_nr == ANY) return "ANY";
|
|
return cproc_addr(proc_nr)->p_name;
|
|
}
|
|
|