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2007-07-18 Joel Sherrill <joel.sherrill@oarcorp.com>

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* Makefile.am, vectors/vectors_init.c: Print stack trace on exception.
This commit is contained in:
Joel Sherrill
2007-07-18 18:07:20 +00:00
parent 02a3b35111
commit ead311b8bf
3 changed files with 30 additions and 26 deletions
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4
c/src/lib/libbsp/powerpc/gen5200/ChangeLog
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@@ -1,3 +1,7 @@
2007-07-18 Joel Sherrill <joel.sherrill@oarcorp.com>
* Makefile.am, vectors/vectors_init.c: Print stack trace on exception.
2007-07-12 Joel Sherrill <joel.sherrill@OARcorp.com>
* startup/linkcmds.brs5l: Add .jcr section.

1
c/src/lib/libbsp/powerpc/gen5200/Makefile.am
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@@ -146,6 +146,7 @@ libbsp_a_LIBADD += network.rel
endif
libbsp_a_LIBADD += ../../../libcpu/@RTEMS_CPU@/shared/cpuIdent.rel \
../../../libcpu/@RTEMS_CPU@/shared/cache.rel \
../../../libcpu/@RTEMS_CPU@/shared/stack.rel \
../../../libcpu/@RTEMS_CPU@/@exceptions@/rtems-cpu.rel \
../../../libcpu/@RTEMS_CPU@/mpc6xx/mmu.rel \
../../../libcpu/@RTEMS_CPU@/mpc6xx/timer.rel \

51
c/src/lib/libbsp/powerpc/gen5200/vectors/vectors_init.c
View File

@@ -138,69 +138,68 @@ void C_exception_handler(BSP_Exception_frame* excPtr)
#else
recoverable = 0;
#endif
if (!recoverable) {
printk("unrecoverable exception!!! Push reset button\n");
while(1);
}
#endif
CPU_print_stack();
if (!recoverable) {
printk("unrecoverable exception!!! Push reset button\n");
bsp_cleanup();
}
}
void nop_except_enable(const rtems_raw_except_connect_data* ptr)
{
}
int except_always_enabled(const rtems_raw_except_connect_data* ptr)
{
return 1;
}
void initialize_exceptions()
{
{
int i;
/*
* Initialize pointer used by low level execption handling
*/
globalExceptHdl = C_exception_handler;
globalExceptHdl = C_exception_handler;
/*
* Put default_exception_vector_code_prolog at relevant exception
* code entry addresses
*/
exception_config.exceptSize = LAST_VALID_EXC + 1;
exception_config.rawExceptHdlTbl = &exception_table[0];
exception_config.defaultRawEntry.exceptIndex = 0;
exception_config.defaultRawEntry.hdl.vector = 0;
exception_config.defaultRawEntry.hdl.raw_hdl = default_exception_vector_code_prolog;
exception_config.exceptSize = LAST_VALID_EXC + 1;
exception_config.rawExceptHdlTbl = &exception_table[0];
exception_config.defaultRawEntry.exceptIndex = 0;
exception_config.defaultRawEntry.hdl.vector = 0;
exception_config.defaultRawEntry.hdl.raw_hdl = default_exception_vector_code_prolog;
/*
* Note that next line the '&' before default_exception_vector_code_prolog_size
* is not a bug as it is defined a .set directly in asm...
*/
exception_config.defaultRawEntry.hdl.raw_hdl_size = (unsigned) &default_exception_vector_code_prolog_size;
exception_config.defaultRawEntry.hdl.raw_hdl_size =
(unsigned) &default_exception_vector_code_prolog_size;
for (i=0; i <= exception_config.exceptSize; i++)
{
for (i=0; i <= exception_config.exceptSize; i++) {
#if defined(SHOW_MORE_INIT_SETTINGS)
printk("installing exception number %d\n", i);
#endif
if (!ppc_vector_is_valid(i))
continue;
if (!ppc_vector_is_valid(i))
continue;
exception_table[i].exceptIndex = i;
exception_table[i].hdl = exception_config.defaultRawEntry.hdl;
exception_table[i].hdl.vector = i;
exception_table[i].on = nop_except_enable;
exception_table[i].off = nop_except_enable;
exception_table[i].isOn = except_always_enabled;
exception_table[i].exceptIndex = i;
exception_table[i].hdl = exception_config.defaultRawEntry.hdl;
exception_table[i].hdl.vector = i;
exception_table[i].on = nop_except_enable;
exception_table[i].off = nop_except_enable;
exception_table[i].isOn = except_always_enabled;
}
if (!ppc_init_exceptions(&exception_config))
BSP_panic("Exception handling initialization failed\n");
else
printk("Exception handling initialization done\n");
}
}