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minix/servers/is/dmp.c
Ben Gras 9865aeaa79 Initial revision
2005-04-21 14:53:53 +00:00

509 lines
16 KiB
C
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/* This file contains information dump procedures. During the initialization
* of the Information Service 'known' function keys are registered at the TTY
* server in order to receive a notification if one is pressed. Here, the
* corresponding dump procedure is called.
*
* The entry points into this file are
* handle_fkey: handle a function key pressed notification
*/
/* Several header files from the kernel are included here so that we can use
* the constants, macros, and types needed to make the debugging dumps.
*/
#include "is.h"
#include <timers.h>
#include <string.h>
#include <ibm/interrupt.h>
#include "../../kernel/const.h"
#include "../../kernel/type.h"
#include "../../kernel/proc.h"
#include "../../kernel/sendmask.h"
#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( void proctab_dmp, (void) );
FORWARD _PROTOTYPE( void memmap_dmp, (void) );
FORWARD _PROTOTYPE( void sendmask_dmp, (void) );
FORWARD _PROTOTYPE( void image_dmp, (void) );
FORWARD _PROTOTYPE( void irqtab_dmp, (void) );
FORWARD _PROTOTYPE( void kmessages_dmp, (void) );
FORWARD _PROTOTYPE( void diagnostics_dmp, (void) );
FORWARD _PROTOTYPE( void sched_dmp, (void) );
FORWARD _PROTOTYPE( void monparams_dmp, (void) );
FORWARD _PROTOTYPE( void kenviron_dmp, (void) );
FORWARD _PROTOTYPE( void memchunks_dmp, (void) );
/* 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.
*/
struct proc proc[NR_TASKS + NR_PROCS];
struct system_image image[IMAGE_SIZE];
/*===========================================================================*
* handle_fkey *
*===========================================================================*/
PUBLIC int do_fkey_pressed(message *m)
{
if (F1 <= m->FKEY_CODE && m->FKEY_CODE <= F12) {
switch(m->FKEY_CODE) {
case F1: proctab_dmp(); break;
case F2: memmap_dmp(); break;
case F3: image_dmp(); break;
case F4: sendmask_dmp(); break;
case F5: monparams_dmp(); break;
case F6: irqtab_dmp(); break;
case F7: kmessages_dmp(); break;
case F9: diagnostics_dmp(); break;
case F10: kenviron_dmp(); break;
case F11: memchunks_dmp(); break;
case F12: sched_dmp(); break;
default:
printf("IS: unhandled notification for F%d\n", m->FKEY_NUM);
}
}
return(EDONTREPLY);
}
/*===========================================================================*
* diagnostics_dmp *
*===========================================================================*/
PRIVATE void diagnostics_dmp()
{
char print_buf[DIAG_BUF_SIZE+1]; /* buffer used to print */
int start; /* calculate start of messages */
int size, r;
/* 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 = ((diag_next + DIAG_BUF_SIZE) - diag_size) % DIAG_BUF_SIZE;
r = 0;
size = diag_size;
while (size > 0) {
print_buf[r] = diag_buf[(start+r) % DIAG_BUF_SIZE];
r ++;
size --;
}
print_buf[r] = 0; /* make sure it terminates */
printf("Dump of diagnostics from device drivers and servers.\n\n");
printf(print_buf); /* print the messages */
}
/*===========================================================================*
* kmessages_dmp *
*===========================================================================*/
PRIVATE 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 next, size; /* vars returned by sys_kmess() */
int start; /* calculate start of messages */
int r;
/* Try to get a copy of the kernel messages. */
if ((r = sys_getkmessages(&kmess)) != OK) {
report("warning: couldn't get copy of kmessages", 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(print_buf); /* print the messages */
}
/*===========================================================================*
* monparams_dmp *
*===========================================================================*/
PRIVATE 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) {
report("warning: couldn't get copy of monitor params", 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 *
*===========================================================================*/
PRIVATE void irqtab_dmp()
{
int i,j,r;
struct irqtab irqtab[NR_IRQ_VECTORS];
struct irqtab *e; /* irq tab entry */
int p; /* policy */
char *irq[] = {
"clock", /* 00 */
"keyboard", /* 01 */
"cascade", /* 02 */
"eth/rs232", /* 03 */
"rs232", /* 04 */
"xt_wini", /* 05 */
"floppy", /* 06 */
"printer", /* 07 */
"", /* 08 */
"", /* 09 */
"", /* 10 */
"", /* 11 */
"", /* 12 */
"", /* 13 */
"at_wini_0", /* 14 */
"at_wini_1", /* 15 */
};
if ((r = sys_getirqtab(irqtab)) != OK) {
report("warning: couldn't get copy of irqtab", r);
return;
}
printf("IRQ table dump showing hardware interrupt policies for each IRQ vector.\n");
printf("-irq name/nr- -pnr- --port-- msk_val --addr-- -type-rdp-str-ech-wrp-ena- \n");
for (i=0; i<NR_IRQ_VECTORS; i++) {
e = &irqtab[i];
p = e->policy;
printf("%9s %2d ", irq[i], i);
if (e->proc_nr!=NONE) printf("%4d ", e->proc_nr);
else printf(" ");
printf(" 0x%06x 0x%05x 0x%06x %c%c%c %d %d %d %d %d\n",
e->port, e->mask_val, e->addr,
(p&IRQ_BYTE)?'B':'-', (p&IRQ_WORD)?'W':'-', (p&IRQ_LONG)?'L':'-',
((p&IRQ_READ_PORT) != 0),
((p&IRQ_STROBE) != 0),
((p&IRQ_ECHO_VAL) != 0),
((p&IRQ_WRITE_PORT) != 0),
((p&IRQ_REENABLE) != 0)
);
}
printf("\n");
}
/*===========================================================================*
* image_dmp *
*===========================================================================*/
PRIVATE void image_dmp()
{
int i,j,r;
struct system_image *ip;
char maskstr[NR_TASKS + NR_PROCS] = "mask";
char* types[] = {"task", "system","driver", "server", "user", "idle"};
char* priorities[] = {"task", "higher","high", "normal", "low", "lower", "user","idle"};
if ((r = sys_getimage(image)) != OK) {
report("warning: couldn't get copy of image table", r);
return;
}
printf("Image table dump showing all processes included in system image.\n");
printf("---name-- -nr- --type- -priority- ----pc- -stack- ------sendmask-------\n");
for (i=0; i<IMAGE_SIZE; i++) {
ip = &image[i];
for (j=-NR_TASKS; j<LOW_USER+2; j++)
maskstr[j+NR_TASKS] = (isallowed(ip->sendmask, j)) ? '1' : '0';
maskstr[j+NR_TASKS] = '\0';
printf("%8s %4d %7s %10s %7lu %7lu %s\n",
ip->name, ip->proc_nr, types[ip->type], priorities[ip->priority],
(long)ip->initial_pc, ip->stksize, maskstr);
}
printf("\n");
}
/*===========================================================================*
* sched_dmp *
*===========================================================================*/
PRIVATE void sched_dmp()
{
struct proc *rdy_head[NR_SCHED_QUEUES];
char *types[] = {"task","higher","high","normal","low","lower","user","idle"};
struct kenviron kenviron;
register struct proc *rp;
vir_bytes ptr_diff;
int r;
/* First obtain a scheduling information. */
if ((r = sys_getschedinfo(proc, rdy_head)) != OK) {
report("warning: couldn't get copy of process table", r);
return;
}
/* Then obtain kernel addresses to correct pointer information. */
if ((r = sys_getkenviron(&kenviron)) != OK) {
report("warning: couldn't get kernel addresses", r);
return;
}
/* Update all pointers. Nasty pointer algorithmic ... */
ptr_diff = (vir_bytes) proc - (vir_bytes) kenviron.proc_addr;
for (r=0;r<NR_SCHED_QUEUES; r++)
if (rdy_head[r] != NIL_PROC)
rdy_head[r] =
(struct proc *)((vir_bytes) rdy_head[r] + ptr_diff);
for (rp=BEG_PROC_ADDR; rp < END_PROC_ADDR; rp++)
if (rp->p_nextready != NIL_PROC)
rp->p_nextready =
(struct proc *)((vir_bytes) rp->p_nextready + ptr_diff);
/* Now show scheduling queues. */
printf("Dumping scheduling queues.\n");
for (r=0;r<NR_SCHED_QUEUES; r++) {
printf("* %6s: ", types[r]);
rp = rdy_head[r];
while (rp != NIL_PROC) {
printf("%3d, ", rp->p_nr);
rp = rp->p_nextready;
}
printf("NIL\n");
}
printf("\n");
}
/*===========================================================================*
* kenviron_dmp *
*===========================================================================*/
PRIVATE void kenviron_dmp()
{
struct kenviron kenv;
int r;
if ((r = sys_getkenviron(&kenv)) != OK) {
report("warning: couldn't get copy of kernel env", r);
return;
}
printf("Dump of kernel variables based on the environment set by the boot loader.\n");
printf("- pc_at: %3d\n", kenv.pc_at);
printf("- ps_mca: %3d\n", kenv.ps_mca);
printf("- processor: %3d\n", kenv.processor);
printf("- protected: %3d\n", kenv.protected);
printf("- ega: %3d\n", kenv.ega);
printf("- vga: %3d\n", kenv.vga);
printf("- params_base:%5u\n", kenv.params_base);
printf("- params_size:%5u\n", kenv.params_size);
printf("- kmem_base:%5u\n", kenv.kmem_base);
printf("- kmem_size:%5u\n", kenv.kmem_size);
printf("- bootfs_base:%5u\n", kenv.bootfs_base);
printf("- bootfs_size:%5u\n", kenv.bootfs_size);
printf("\n");
}
/*===========================================================================*
* memchunks_dmp *
*===========================================================================*/
PRIVATE void memchunks_dmp()
{
int i,r;
struct memory mem[NR_MEMS];
if ((r = sys_getmemchunks(mem)) != OK) {
report("warning: couldn't get copy of mem chunks", r);
return;
}
printf("Memory chunks:\n");
for (i=0; i<NR_MEMS; i++) {
printf("chunk %d: base %u, size %u\n", i, mem[i].base, mem[i].size);
}
printf("\n");
}
/*===========================================================================*
* sendmask_dmp *
*===========================================================================*/
PRIVATE void sendmask_dmp()
{
register struct proc *rp;
static struct proc *oldrp = BEG_PROC_ADDR;
int r, i,j, n = 0;
/* First obtain a fresh copy of the current process table. */
if ((r = sys_getproctab(proc)) != OK) {
report("warning: couldn't get copy of process table", r);
return;
}
printf("\n\n");
printf("Sendmask dump for process table. User processes (*) don't have [].");
printf("\n");
printf("The rows of bits indicate to which processes each process may send.");
printf("\n\n");
printf(" ");
for (j=proc_number(BEG_PROC_ADDR); j< LOW_USER+1; j++) {
printf("%3d", j);
}
printf(" *\n");
for (rp = oldrp; rp < END_PROC_ADDR; rp++) {
if (isemptyp(rp)) continue;
if (++n > 20) break;
printf("%8s ", rp->p_name);
j = proc_number(rp);
switch(rp->p_type) {
case P_IDLE: printf("/%3d/ ", proc_number(rp)); break;
case P_TASK: printf("[%3d] ", proc_number(rp)); break;
case P_SYSTEM: printf("<%3d> ", proc_number(rp)); break;
case P_DRIVER: printf("{%3d} ", proc_number(rp)); break;
case P_SERVER: printf("(%3d) ", proc_number(rp)); break;
default: printf(" %3d ", proc_number(rp));
}
for (j=proc_number(BEG_PROC_ADDR); j<LOW_USER+2; j++) {
if (isallowed(rp->p_sendmask, j)) printf(" 1 ");
else printf(" 0 ");
}
printf("\n");
}
if (rp == END_PROC_ADDR) { printf("\n"); rp = BEG_PROC_ADDR; }
else printf("--more--\r");
oldrp = rp;
}
/*===========================================================================*
* proctab_dmp *
*===========================================================================*/
#if (CHIP == INTEL)
PRIVATE void proctab_dmp()
{
/* Proc table dump */
register struct proc *rp;
static struct proc *oldrp = BEG_PROC_ADDR;
int r, n = 0;
phys_clicks text, data, size;
/* First obtain a fresh copy of the current process table. */
if ((r = sys_getproctab(proc)) != OK) {
report("warning: couldn't get copy of process table", r);
return;
}
printf("\n-pid- -pri- --pc-- --sp-- -user- -sys- -text- -data- -size- -flags- -command-\n");
for (rp = oldrp; rp < END_PROC_ADDR; rp++) {
if (isemptyp(rp)) continue;
if (++n > 23) break;
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);
switch(rp->p_type) {
case P_IDLE: printf("/%3d/ ", proc_number(rp)); break;
case P_TASK: printf("[%3d] ", proc_number(rp)); break;
case P_SYSTEM: printf("<%3d> ", proc_number(rp)); break;
case P_DRIVER: printf("{%3d} ", proc_number(rp)); break;
case P_SERVER: printf("(%3d) ", proc_number(rp)); break;
default: printf(" %3d ", proc_number(rp));
}
printf("%3u %7lx%7lx %6lu%6lu%6uK%6uK%6uK %3x",
rp->p_priority,
(unsigned long) rp->p_reg.pc,
(unsigned long) rp->p_reg.sp,
rp->user_time, rp->sys_time,
click_to_round_k(text), click_to_round_k(data),
click_to_round_k(size),
rp->p_flags);
if (rp->p_flags & RECEIVING) {
printf(" %-7.7s", proc_name(rp->p_getfrom));
} else
if (rp->p_flags & SENDING) {
printf(" S:%-5.5s", proc_name(rp->p_sendto));
} else
if (rp->p_flags == 0) {
printf(" ");
}
printf(" %s\n", rp->p_name);
}
if (rp == END_PROC_ADDR) rp = BEG_PROC_ADDR; else printf("--more--\r");
oldrp = rp;
}
#endif /* (CHIP == INTEL) */
/*===========================================================================*
* memmap_dmp *
*===========================================================================*/
PRIVATE void memmap_dmp()
{
register struct proc *rp;
static struct proc *oldrp = cproc_addr(HARDWARE);
int r, n = 0;
phys_clicks size;
/* First obtain a fresh copy of the current process table. */
if ((r = sys_getproctab(proc)) != OK) {
report("warning: couldn't get copy of process table", r);
return;
}
printf("\n--proc name- -----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 %4x %4x %4x %4x %4x %4x %4x %4x %4x %5uK\n",
proc_number(rp),
rp->p_name,
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 = cproc_addr(HARDWARE);
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;
}
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