92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/* This file contains information dump procedures. During the initialization
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* of the Information Service 'known' function keys are registered at the TTY
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* server in order to receive a notification if one is pressed. Here, the
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* corresponding dump procedure is called.
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*
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* The entry points into this file are
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* handle_fkey: handle a function key pressed notification
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*/
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#include "is.h"
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#define NHOOKS 15
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struct hook_entry {
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int key;
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void (*function)(void);
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char *name;
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} hooks[NHOOKS] = {
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{ F1, proctab_dmp, "Kernel process table" },
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{ F2, memmap_dmp, "Process memory maps" },
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{ F3, image_dmp, "System image" },
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{ F4, privileges_dmp, "Process privileges" },
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{ F5, monparams_dmp, "Boot monitor parameters" },
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{ F6, irqtab_dmp, "IRQ hooks and policies" },
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{ F7, kmessages_dmp, "Kernel messages" },
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{ F10, kenv_dmp, "Kernel parameters" },
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{ F11, timing_dmp, "Timing details (if enabled)" },
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{ F12, sched_dmp, "Scheduling queues" },
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{ SF1, mproc_dmp, "Process manager process table" },
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{ SF2, sigaction_dmp, "Signals" },
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{ SF3, fproc_dmp, "Filesystem process table" },
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{ SF4, dtab_dmp, "Device/Driver mapping" },
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{ SF5, mapping_dmp, "Print key mappings" },
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};
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/*===========================================================================*
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* handle_fkey *
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*===========================================================================*/
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#define pressed(k) ((F1<=(k) && (k)<=F12 && bit_isset(m->FKEY_FKEYS, ((k)-F1+1))) \
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|| (SF1<=(k) && (k)<=SF12 && bit_isset(m->FKEY_SFKEYS, ((k)-SF1+1))))
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PUBLIC int do_fkey_pressed(message *m)
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{
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int s, h;
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/* The notification message does not convey any information, other
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* than that some function keys have been pressed. Ask TTY for details.
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*/
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m->m_type = FKEY_CONTROL;
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m->FKEY_REQUEST = FKEY_EVENTS;
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if (OK != (s=sendrec(TTY_PROC_NR, m)))
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report("IS", "warning, sendrec to TTY failed", s);
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/* Now check which keys were pressed: F1-F12. */
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for(h = 0; h < NHOOKS; h++)
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if(pressed(hooks[h].key))
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hooks[h].function();
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/* Inhibit sending a reply message. */
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return(EDONTREPLY);
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}
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PRIVATE char *keyname(int key)
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{
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static char name[15];
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if(key >= F1 && key <= F12)
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sprintf(name, " F%d", key - F1 + 1);
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else if(key >= SF1 && key <= SF12)
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sprintf(name, "Shift+F%d", key - SF1 + 1);
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else
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sprintf(name, "?");
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return name;
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}
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PUBLIC void mapping_dmp(void)
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{
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int h;
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printf(
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"Function key mappings for debug dumps in IS server.\n"
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" Key Description\n"
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"-------------------------------------------------------------------------\n");
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for(h = 0; h < NHOOKS; h++)
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printf(" %10s. %s\n", keyname(hooks[h].key), hooks[h].name);
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printf("\n");
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return;
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}
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