diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2001-05-25 16:28:46 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2001-05-25 16:28:46 +0000 |
commit | 332484b52e06e5ee8318297610ffa472a4087da8 (patch) | |
tree | bd9d988742a26002e6efff4c2c3383afef0a816c /c/src/lib/libbsp/m68k/mrm332/misc/interr.c | |
parent | 2000-05-25 Matt Cross <profesor@gweep.net> (diff) | |
download | rtems-332484b52e06e5ee8318297610ffa472a4087da8.tar.bz2 |
2000-05-25 Matt Cross <profesor@gweep.net>
* New MRM332 BSP for the Mini RoboMind board based
on the 68332 microcontroller designed and build by Mark
Castelluccio. For details on the MRM see http://www.robominds.com.
* .cvsignore, ChangeLog Makefile.am, README, bsp_specs,
clock/.cvsignore, clock/Makefile.am, clock/ckinit.c, configure.in,
console/.cvsignore, console/Makefile.am, console/console.c,
include/.cvsignore, include/Makefile.am, include/bsp.h,
include/mrm332.h, misc/dotests, misc/gdbinit68, misc/interr.c,
spurious/.cvsignore, spurious/Makefile.am, spurious/spinit.c,
start/.cvsignore, start/Makefile.am, start/start.c, startup/.cvsignore,
startup/Makefile.am, startup/bspclean.c, startup/bspstart.c,
startup/except_vect_332_ROM.S, startup/linkcmds, startup/linkcmds_ROM,
timer/.cvsignore, timer/Makefile.am, timer/timer.c, times,
wrapup/.cvsignore, wrapup/Makefile.am: Initial files.
Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/m68k/mrm332/misc/interr.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mrm332/misc/interr.c b/c/src/lib/libbsp/m68k/mrm332/misc/interr.c new file mode 100644 index 0000000000..578ad139c3 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mrm332/misc/interr.c @@ -0,0 +1,99 @@ +/* + * Internal Error Handler + * + * COPYRIGHT (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems/system.h> +#include <rtems/score/interr.h> +#include <rtems/score/sysstate.h> +#include <rtems/score/userext.h> + +/*PAGE + * + * _Internal_error_Occurred + * + * This routine will invoke the fatal error handler supplied by the user + * followed by the the default one provided by the executive. The default + * error handler assumes no hardware is present to help inform the user + * of the problem. Halt stores the error code in a known register, + * disables interrupts, and halts the CPU. If the CPU does not have a + * halt instruction, it will loop to itself. + * + * Input parameters: + * the_source - what subsystem the error originated in + * is_internal - if the error was internally generated + * the_error - fatal error status code + * + * Output parameters: + * As much information as possible is stored in a CPU dependent fashion. + * See the CPU dependent code for more information. + * + * NOTE: The the_error is not necessarily a directive status code. + */ + +/* + * Ugly hack.... _CPU_Fatal_halt() disonnects the bdm. Without this + * change, the_error is only known only to the cpu :). + * + * From "bsp.h" which is not yet available in the arch tree during + * this phase of install. jsg + */ +void outbyte(char); +void bsp_cleanup( void ); + +#define RAW_PUTS(str) \ + { register char *ptr = str; \ + while (*ptr) outbyte(*ptr++); \ + } + +#define RAW_PUTI(n) { \ + register int i, j; \ + \ + RAW_PUTS("0x"); \ + for (i=28;i>=0;i -= 4) { \ + j = (n>>i) & 0xf; \ + outbyte( (j>9 ? j-10+'a' : j+'0') ); \ + } \ + } + +void volatile _Internal_error_Occurred( + Internal_errors_Source the_source, + boolean is_internal, + unsigned32 the_error +) +{ + + Internal_errors_What_happened.the_source = the_source; + Internal_errors_What_happened.is_internal = is_internal; + Internal_errors_What_happened.the_error = the_error; + + _User_extensions_Fatal( the_source, is_internal, the_error ); + + _System_state_Set( SYSTEM_STATE_FAILED ); + + /* try to print error message to outbyte */ + RAW_PUTS("\r\nRTEMS: A fatal error has occured.\r\n"); + RAW_PUTS("RTEMS: fatal error "); + RAW_PUTI( the_error ); + RAW_PUTS(" ("); + outbyte( (char)((the_error>>24) & 0xff) ); + outbyte( (char)((the_error>>16) & 0xff) ); + outbyte( (char)((the_error>>8) & 0xff) ); + outbyte( (char)(the_error & 0xff) ); + RAW_PUTS(").\r\n"); + + /* configure peripherals for a safe exit */ + bsp_cleanup(); + + _CPU_Fatal_halt( the_error ); + + /* will not return from this routine */ +} |