void
_bsp_cpu_init(void)
{
#ifdef CYGPKG_KERNEL
int d0;
cyg_exception_set_handler(CYGNUM_HAL_EXCEPTION_ILLEGAL_INSTRUCTION,
_bsp_handle_exception,
(cyg_addrword_t)&d0,
0,
0);
#endif
#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
bsp_install_dbg_handler((bsp_handler_t)__handle_exception);
__install_traps();
#else
bsp_install_dbg_handler(unhandled_exception);
#endif
}
static void entry0( CYG_ADDRWORD data )
{
#ifdef EXCEPTION_DATA_ACCESS
cyg_code_t n;
#endif
cyg_exception_handler_t *old_handler, *old_handler1;
cyg_addrword_t old_data, old_data1;
CYG_UNUSED_PARAM(CYG_ADDRESS, data);
cyg_exception_set_handler(
CYGNUM_HAL_EXCEPTION_MAX,
&handler1,
(cyg_addrword_t)&d0,
&old_handler,
&old_data);
cyg_exception_set_handler(
CYGNUM_HAL_EXCEPTION_MAX,
&handler1,
(cyg_addrword_t)&d0,
&old_handler1,
&old_data1);
CYG_TEST_CHECK(old_handler1 == &handler1,
"register exception: old_handler not the one previously registered");
CYG_TEST_CHECK(old_data1 == (cyg_addrword_t)&d0,
"register exception: old_data not those previously registered");
cyg_exception_call_handler(
cyg_thread_self(),
CYGNUM_HAL_EXCEPTION_MAX,
(cyg_addrword_t)99);
CYG_TEST_INFO("handler 1 returned");
cyg_exception_clear_handler(CYGNUM_HAL_EXCEPTION_MAX);
cyg_exception_clear_handler(CYGNUM_HAL_EXCEPTION_MAX);
#ifdef EXCEPTION_DATA_ACCESS
#if 0
#elif defined(CYGPKG_HAL_POWERPC_SIM)
// The exception generated by the SIM is not recognized by GDB.
// PR 19945 workaround.
CYG_TEST_NA("Not applicable to PowerPC SIM");
#endif
for(n = CYGNUM_HAL_EXCEPTION_MIN; n <= CYGNUM_HAL_EXCEPTION_MAX; n++) {
cyg_exception_set_handler(
n,
handler0,
(cyg_addrword_t)123,
&old_handler1,
&old_data1);
}
CYG_TEST_PASS("Attempting to provoke exception");
cause_exception();
CYG_TEST_FAIL_FINISH("Couldn't cause exception");
#else // EXCEPTION_DATA_ACCESS
CYG_TEST_NA("Platform does not support data exceptions");
#endif
}