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NetBSD/sys/arch/arm32/kshell/kshell_shell.c

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/* $NetBSD: kshell_shell.c,v 1.11 1996/10/17 02:43:38 mark Exp $ */
/*
* Copyright (c) 1994-1996 Mark Brinicombe.
* Copyright (c) 1994 Brini.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* RiscBSD kernel project
*
* shell_shell.c
*
* Debug / Monitor shell entry and commands
*
* Created : 09/10/94
*/
/* Include standard header files */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/proc.h>
#include <sys/device.h>
#include <sys/vnode.h>
#include <vm/vm.h>
/* Local header files */
#include <machine/pmap.h>
#include <machine/katelib.h>
#include <machine/vidc.h>
#include <machine/rtc.h>
/* Any asc devices configured ? */
#include "asc.h"
/* Declare global variables */
/* Local function prototypes */
char *strchr __P((const char *, int));
void dumpb __P((u_char */*addr*/, int /*count*/));
void dumpw __P((u_char */*addr*/, int /*count*/));
int readstring __P((char *, int, char *, char *));
void debug_show_q_details __P((void));
void shell_disassem __P((int argc, char *argv[]));
void shell_devices __P((int argc, char *argv[]));
void shell_vmmap __P((int argc, char *argv[]));
void shell_flush __P((int argc, char *argv[]));
void shell_pextract __P((int argc, char *argv[]));
void shell_vnode __P((int argc, char *argv[]));
void shell_wakeup __P((int argc, char *argv[]));
void debug_show_all_procs __P((int argc, char *argv[]));
void debug_show_callout __P((int argc, char *argv[]));
void debug_show_fs __P((int argc, char *argv[]));
void debug_show_vm_map __P((vm_map_t map, char *text));
void debug_show_pmap __P((pmap_t pmap));
void pmap_dump_pvs __P((void));
void pmap_dump_mpvs __P((void));
#if NASC > 0
void asc_dump __P((void));
#endif /* NASC */
void pmap_pagedir_dump __P((void));
/* Now for the main code */
/* readhex
*
* This routine interprets the input string as a sequence of hex characters
* and returns it as an integer.
*/
int
readhex(buf)
char *buf;
{
int value;
int nibble;
if (buf == NULL)
return(0);
/* skip any spaces */
while (*buf == ' ')
++buf;
/* return 0 if a zero length string is passed */
if (*buf == 0)
return(0);
/* Convert the characters */
value = 0;
while (*buf != 0 && strchr("0123456789abcdefABCDEF", *buf) != 0) {
nibble = (*buf - '0');
if (nibble > 9) nibble -= 7;
if (nibble > 15) nibble -= 32;
value = (value << 4) | nibble;
++buf;
}
return(value);
}
/* poke - writes a byte/word to memory */
void
shell_poke(argc, argv)
int argc;
char *argv[];
{
u_int addr;
u_int data;
if (argc < 3) {
printf("Syntax: poke[bw] <addr> <data>\n\r");
return;
}
/* Decode the two arguments */
addr = readhex(argv[1]);
data = readhex(argv[2]);
if (argv[0][4] == 'b')
WriteByte(addr, data);
if (argv[0][4] == 'w')
WriteWord(addr, data);
}
/* peek - reads a byte/word from memory*/
void
shell_peek(argc, argv)
int argc;
char *argv[];
{
u_int addr;
u_int data;
if (argc < 2) {
printf("Syntax: peek[bw] <addr>\n\r");
return;
}
/* Decode the one argument */
addr = readhex(argv[1]);
if (argv[0][4] == 'b')
data = ReadByte(addr);
else
data = ReadWord(addr);
printf("%08x : %08x\n\r", addr, data);
}
/* dumpb - dumps memory in bytes*/
void
shell_dumpb(argc, argv)
int argc;
char *argv[];
{
u_char *addr;
int count;
if (argc < 2) {
printf("Syntax: dumpb <addr> [<bytes>]\n\r");
return;
}
/* Decode the one argument */
addr = (u_char *)readhex(argv[1]);
if (argc > 2)
count = readhex(argv[2]);
else
count = 0x80;
dumpb(addr, count);
}
/* dumpw - dumps memory in bytes*/
void
shell_dumpw(argc, argv)
int argc;
char *argv[];
{
u_char *addr;
int count;
if (argc < 2) {
printf("Syntax: dumpw <addr> [<bytes>]\n\r");
return;
}
/* Decode the one argument */
addr = (u_char *)readhex(argv[1]);
if (argc > 2)
count = readhex(argv[2]);
else
count = 0x80;
dumpw(addr, count);
}
/* vmmap - dumps the vmmap */
void
shell_vmmap(argc, argv)
int argc;
char *argv[];
{
u_char *addr;
if (argc < 2) {
printf("Syntax: vmmap <map addr>\n\r");
return;
}
/* Decode the one argument */
addr = (u_char *)readhex(argv[1]);
debug_show_vm_map((vm_map_t)addr, argv[1]);
}
/* pmap - dumps the pmap */
void
shell_pmap(argc, argv)
int argc;
char *argv[];
{
u_char *addr;
if (argc < 2) {
printf("Syntax: pmap <pmap addr>\n\r");
return;
}
/* Decode the one argument */
addr = (u_char *)readhex(argv[1]);
debug_show_pmap((pmap_t)addr);
}
/*
* void shell_devices(int argc, char *argv[])
*
* Display all the devices
*/
extern struct cfdata cfdata[];
void
shell_devices(argc, argv)
int argc;
char *argv[];
{
struct cfdata *cf;
struct cfdriver *cd;
struct device *dv;
int loop;
char *state;
printf(" driver unit state name\n");
for (cf = cfdata; cf->cf_driver; ++cf) {
cd = cf->cf_driver;
if (cf->cf_fstate & FSTATE_FOUND)
state = "FOUND ";
else
state = "NOT FOUND";
printf("%08x %2d %s %s\n", (u_int)cd, (u_int)cf->cf_unit,
state, cd->cd_name);
if (cf->cf_fstate & FSTATE_FOUND) {
for (loop = 0; loop < cd->cd_ndevs; ++loop) {
dv = (struct device *)cd->cd_devs[loop];
if (dv != 0)
printf(" %s (%08x)\n",
dv->dv_xname, (u_int) dv);
}
}
printf("\n");
}
}
void
shell_reboot(argc, argv)
int argc;
char *argv[];
{
printf("Running shutdown hooks ...\n");
doshutdownhooks();
IRQdisable;
boot0();
}
void
forceboot(argc, argv)
int argc;
char *argv[];
{
cmos_write(0x90, cmos_read(0x90) | 0x02);
shell_reboot(0, NULL);
}
void
shell_flush(argc, argv)
int argc;
char *argv[];
{
cache_clean();
tlb_flush();
}
void
shell_vmstat(argc, argv)
int argc;
char *argv[];
{
struct vmmeter sum;
sum = cnt;
(void)printf("%9u cpu context switches\n", sum.v_swtch);
(void)printf("%9u device interrupts\n", sum.v_intr);
(void)printf("%9u software interrupts\n", sum.v_soft);
(void)printf("%9u traps\n", sum.v_trap);
(void)printf("%9u system calls\n", sum.v_syscall);
(void)printf("%9u total faults taken\n", sum.v_faults);
(void)printf("%9u swap ins\n", sum.v_swpin);
(void)printf("%9u swap outs\n", sum.v_swpout);
(void)printf("%9u pages swapped in\n", sum.v_pswpin / CLSIZE);
(void)printf("%9u pages swapped out\n", sum.v_pswpout / CLSIZE);
(void)printf("%9u page ins\n", sum.v_pageins);
(void)printf("%9u page outs\n", sum.v_pageouts);
(void)printf("%9u pages paged in\n", sum.v_pgpgin);
(void)printf("%9u pages paged out\n", sum.v_pgpgout);
(void)printf("%9u pages reactivated\n", sum.v_reactivated);
(void)printf("%9u intransit blocking page faults\n", sum.v_intrans);
(void)printf("%9u zero fill pages created\n", sum.v_nzfod / CLSIZE);
(void)printf("%9u zero fill page faults\n", sum.v_zfod / CLSIZE);
(void)printf("%9u pages examined by the clock daemon\n", sum.v_scan);
(void)printf("%9u revolutions of the clock hand\n", sum.v_rev);
(void)printf("%9u VM object cache lookups\n", sum.v_lookups);
(void)printf("%9u VM object hits\n", sum.v_hits);
(void)printf("%9u total VM faults taken\n", sum.v_vm_faults);
(void)printf("%9u copy-on-write faults\n", sum.v_cow_faults);
(void)printf("%9u pages freed by daemon\n", sum.v_dfree);
(void)printf("%9u pages freed by exiting processes\n", sum.v_pfree);
(void)printf("%9u pages free\n", sum.v_free_count);
(void)printf("%9u pages wired down\n", sum.v_wire_count);
(void)printf("%9u pages active\n", sum.v_active_count);
(void)printf("%9u pages inactive\n", sum.v_inactive_count);
(void)printf("%9u bytes per page\n", sum.v_page_size);
}
void
shell_pextract(argc, argv)
int argc;
char *argv[];
{
u_char *addr;
vm_offset_t pa;
int pind;
if (argc < 2) {
printf("Syntax: pextract <addr>\n\r");
return;
}
/* Decode the one argument */
addr = (u_char *)readhex(argv[1]);
pa = pmap_extract(kernel_pmap, (vm_offset_t)addr);
pind = pmap_page_index(pa);
printf("va=%08x pa=%08x pind=%d\n", (u_int)addr, (u_int)pa, pind);
}
void
shell_vnode(argc, argv)
int argc;
char *argv[];
{
struct vnode *vp;
if (argc < 2) {
printf("Syntax: vnode <vp>\n\r");
return;
}
/* Decode the one argument */
vp = (struct vnode *)(readhex(argv[1]) & ~0x7f);
printf("vp = %08x\n", (u_int)vp);
printf("vp->v_type = %d\n", vp->v_type);
printf("vp->v_flag = %ld\n", vp->v_flag);
printf("vp->v_usecount = %d\n", vp->v_usecount);
printf("vp->v_writecount = %d\n", vp->v_writecount);
printf("vp->v_numoutput = %ld\n", vp->v_numoutput);
vprint("vnode:", vp);
}
void
shell_buf(argc, argv)
int argc;
char *argv[];
{
struct buf *bp;
if (argc < 2) {
printf("Syntax: buf <bp>\n\r");
return;
}
/* Decode the one argument */
bp = (struct buf *)readhex(argv[1]);
printf("buf pointer=%08x\n", (u_int)bp);
if (bp->b_proc)
printf("proc=%08x pid=%d\n", (u_int)bp->b_proc, bp->b_proc->p_pid);
printf("flags=%08x\n", (u_int)bp->b_proc);
printf("b_error=%d\n", bp->b_error);
printf("b_bufsize=%08x\n", (u_int)bp->b_bufsize);
printf("b_bcount=%08x\n", (u_int)bp->b_bcount);
printf("b_resid=%d\n", (int)bp->b_resid);
printf("b_bdev=%04x\n", bp->b_dev);
printf("b_baddr=%08x\n", (u_int)bp->b_un.b_addr);
printf("b_lblkno=%08x\n", (u_int)bp->b_lblkno);
printf("b_blkno=%08x\n", bp->b_blkno);
printf("b_vp=%08x\n", (u_int)bp->b_vp);
}
void
shell_wakeup(argc, argv)
int argc;
char *argv[];
{
u_int ident;
if (argc < 2) {
printf("Syntax: wakeup <ident>\n\r");
return;
}
/* Decode the one argument */
ident = readhex(argv[1]);
wakeup((void *)ident);
}
/* shell - a crude shell */
int
shell()
{
int quit = 0;
char buffer[200];
char *ptr;
char *ptr1;
int args;
char *argv[20];
printf("\nRiscBSD debug/monitor shell\n");
printf("CTRL-D, exit or reboot to terminate\n\n");
do {
/* print prompt */
printf("kshell> ");
/* Read line from keyboard */
if (readstring(buffer, 200, NULL, NULL) == -1)
return(0);
ptr = buffer;
/* Slice leading spaces */
while (*ptr == ' ')
++ptr;
/* Loop back if zero length string */
if (*ptr == 0)
continue;
/* Count the number of space separated args */
args = 0;
ptr1 = ptr;
while (*ptr1 != 0) {
if (*ptr1 == ' ') {
++args;
while (*ptr1 == ' ')
++ptr1;
} else
++ptr1;
}
/*
* Construct the array of pointers to the args and terminate
* each argument with 0x00
*/
args = 0;
ptr1 = ptr;
while (*ptr1 != 0) {
argv[args] = ptr1;
++args;
while (*ptr1 != ' ' && *ptr1 != 0)
++ptr1;
while (*ptr1 == ' ') {
*ptr1 = 0;
++ptr1;
}
}
argv[args] = NULL;
/* Interpret commands */
if (strcmp(argv[0], "exit") == 0)
quit = 1;
#ifdef DDB
else if (strcmp(argv[0], "deb") == 0)
Debugger();
#endif
else if (strcmp(argv[0], "peekb") == 0)
shell_peek(args, argv);
else if (strcmp(argv[0], "pokeb") == 0)
shell_poke(args, argv);
else if (strcmp(argv[0], "peekw") == 0)
shell_peek(args, argv);
else if (strcmp(argv[0], "pokew") == 0)
shell_poke(args, argv);
else if (strcmp(argv[0], "dumpb") == 0)
shell_dumpb(args, argv);
else if (strcmp(argv[0], "reboot") == 0)
shell_reboot(args, argv);
else if (strcmp(argv[0], "dumpw") == 0)
shell_dumpw(args, argv);
else if (strcmp(argv[0], "dump") == 0)
shell_dumpw(args, argv);
else if (strcmp(argv[0], "dis") == 0)
shell_disassem(args, argv);
else if (strcmp(argv[0], "qs") == 0)
debug_show_q_details();
else if (strcmp(argv[0], "ps") == 0)
debug_show_all_procs(args, argv);
else if (strcmp(argv[0], "callouts") == 0)
debug_show_callout(args, argv);
else if (strcmp(argv[0], "devices") == 0)
shell_devices(args, argv);
else if (strcmp(argv[0], "listfs") == 0)
debug_show_fs(args, argv);
else if (strcmp(argv[0], "vmmap") == 0)
shell_vmmap(args, argv);
else if (strcmp(argv[0], "pmap") == 0)
shell_pmap(args, argv);
else if (strcmp(argv[0], "flush") == 0)
shell_flush(args, argv);
else if (strcmp(argv[0], "vmstat") == 0)
shell_vmstat(args, argv);
else if (strcmp(argv[0], "pdstat") == 0)
pmap_pagedir_dump();
else if (strcmp(argv[0], "traceback") == 0)
traceback();
else if (strcmp(argv[0], "forceboot") == 0)
forceboot(args, argv);
else if (strcmp(argv[0], "dumppvs") == 0)
pmap_dump_pvs();
else if (strcmp(argv[0], "dumpmpvs") == 0)
pmap_dump_mpvs();
else if (strcmp(argv[0], "pextract") == 0)
shell_pextract(args, argv);
else if (strcmp(argv[0], "vnode") == 0)
shell_vnode(args, argv);
else if (strcmp(argv[0], "wakeup") == 0)
shell_wakeup(args, argv);
#if NASC > 0
else if (strcmp(argv[0], "ascdump") == 0)
asc_dump();
#endif
else if (strcmp(argv[0], "buf") == 0)
shell_buf(args, argv);
else if (strcmp(argv[0], "help") == 0
|| strcmp(argv[0], "?") == 0) {
printf("peekb <hexaddr>\r\n");
printf("pokeb <hexaddr> <data>\r\n");
printf("peekw <hexaddr>\r\n");
printf("pokew <hexaddr <data>\r\n");
printf("dis <hexaddr>\r\n");
printf("dumpb <hexaddr> [length]\r\n");
printf("dumpw <hexaddr> [length]\r\n");
printf("dump <hexaddr> [length]\r\n");
printf("reboot\r\n");
printf("qs\r\n");
printf("ps [m]\r\n");
printf("vmstat\n");
printf("listfs\n");
printf("devices\n");
printf("callouts\n");
printf("vmmap <vmmap addr>\r\n");
printf("pmap <pmap addr>\r\n");
printf("pdstat\r\n");
printf("flush\r\n");
printf("exit\r\n");
printf("forceboot\r\n");
printf("dumppvs\r\n");
printf("dumpmpvs\r\n");
printf("pextract <phys addr>\r\n");
printf("vnode <vp>\r\n");
printf("buf <bp>\r\n");
printf("wakeup <ident>\r\n");
#if NASC > 0
printf("ascdump\r\n");
#endif /* NASC */
}
} while (!quit);
return(0);
}
/* End of shell_shell.c */
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