483 lines
15 KiB
C
483 lines
15 KiB
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(" %5lu: %5lu", 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(" %4lu", 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 -stack-\n");
|
|
for (m=0; m<NR_BOOT_PROCS; m++) {
|
|
ip = &image[m];
|
|
printf("%8s %4d %5s\n",
|
|
ip->proc_name, ip->proc_nr,
|
|
boot_flags_str(ip->flags));
|
|
}
|
|
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: %5lu\n", kinfo.code_base);
|
|
printf("- code_size: %5lu\n", kinfo.code_size);
|
|
printf("- data_base: %5lu\n", kinfo.data_base);
|
|
printf("- data_size: %5lu\n", kinfo.data_size);
|
|
printf("- proc_addr: %5lu\n", kinfo.proc_addr);
|
|
printf("- bootdev_base: %5lu\n", kinfo.bootdev_base);
|
|
printf("- bootdev_size: %5lu\n", kinfo.bootdev_size);
|
|
printf("- ramdev_base: %5lu\n", kinfo.ramdev_base);
|
|
printf("- ramdev_size: %5lu\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 %6d",
|
|
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(" %08x", get_sys_bits(sp->s_ipc_to, i));
|
|
}
|
|
|
|
printf(" ");
|
|
for (i=0; i < NR_SYS_CALLS; i += BITCHUNK_BITS) {
|
|
printf(" %08x", 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 %5u %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 %8lu\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 = proc_addr(proc_nr);
|
|
if (isemptyp(p)) return "EMPTY"; /* bogus */
|
|
return p->p_name;
|
|
}
|
|
|