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2002-02-27 Greg Menke <gregory.menke@gsfc.nasa.gov>

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* shared/gdbstub/README: Added text.
	* shared/gdbstub/mips-stub.c: Modified isr install routine to
	capture all exceptions.
This commit is contained in:
Joel Sherrill
2002-03-01 16:22:59 +00:00
parent 0ea3293739
commit cd6bec6cef
2 changed files with 50 additions and 18 deletions
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6
c/src/lib/libbsp/mips/shared/gdbstub/ChangeLog
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@@ -1,3 +1,9 @@
2002-02-27 Greg Menke <gregory.menke@gsfc.nasa.gov>
* shared/gdbstub/README: Added text.
* shared/gdbstub/mips-stub.c: Modified isr install routine to
capture all exceptions.
2001-02-27 Joel Sherrill <joel@OARcorp.com> 2001-02-27 Joel Sherrill <joel@OARcorp.com>
* Significant modifications including adding thread support, the 'X' * Significant modifications including adding thread support, the 'X'

62
c/src/lib/libbsp/mips/shared/gdbstub/mips-stub.c
View File

@@ -1309,29 +1309,55 @@ static char initialized; /* 0 means we are not initialized */
void mips_gdb_stub_install(void) void mips_gdb_stub_install(void)
{ {
rtems_isr_entry old; /*
int i; These are the RTEMS-defined vectors for all the MIPS exceptions
*/
int exceptionVector[]= { MIPS_EXCEPTION_MOD, \
MIPS_EXCEPTION_TLBL, \
MIPS_EXCEPTION_TLBS, \
MIPS_EXCEPTION_ADEL, \
MIPS_EXCEPTION_ADES, \
MIPS_EXCEPTION_IBE, \
MIPS_EXCEPTION_DBE, \
MIPS_EXCEPTION_SYSCALL, \
MIPS_EXCEPTION_BREAK, \
MIPS_EXCEPTION_RI, \
MIPS_EXCEPTION_CPU, \
MIPS_EXCEPTION_OVERFLOW, \
MIPS_EXCEPTION_TRAP, \
MIPS_EXCEPTION_VCEI, \
MIPS_EXCEPTION_FPE, \
MIPS_EXCEPTION_C2E, \
MIPS_EXCEPTION_WATCH, \
MIPS_EXCEPTION_VCED, \
-1 };
int i;
rtems_isr_entry old;
if (initialized) { if (initialized) {
ASSERT(0); ASSERT(0);
return; return;
} }
/* z0breaks */ /* z0breaks */
for (i=0; i<(sizeof(z0break_arr)/sizeof(z0break_arr[0]))-1; i++) { for (i=0; i<(sizeof(z0break_arr)/sizeof(z0break_arr[0]))-1; i++) {
z0break_arr[i].next = &z0break_arr[i+1]; z0break_arr[i].next = &z0break_arr[i+1];
} }
z0break_arr[i].next = NULL; z0break_arr[i].next = NULL;
z0break_avail = &z0break_arr[0]; z0break_avail = &z0break_arr[0];
z0break_list = NULL; z0break_list = NULL;
rtems_interrupt_catch( (rtems_isr_entry) handle_exception, MIPS_EXCEPTION_SYSCALL, &old ); for(i=0; exceptionVector[i] > -1; i++)
/* rtems_interrupt_catch( handle_exception, MIPS_EXCEPTION_BREAK, &old ); */ {
rtems_interrupt_catch( (rtems_isr_entry) handle_exception, exceptionVector[i], &old );
}
initialized = 1; initialized = 1;
/* get the attention of gdb */ /* get the attention of gdb */
mips_break(1); mips_break(1);
} }