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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/lib/assert.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2011,2014 */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/** @file assert.C
* @brief Common handling functions for assert paths.
*/
#include <builtins.h>
#include <kernel/console.H>
#include <assert.h>
#include <sys/task.h>
#include <arch/ppc.H>
#include <kernel/misc.H>
#include <kernel/hbterminatetypes.H>
#include <kernel/terminate.H>
#include <sys/misc.h>
#include <kernel/kernel_reasoncodes.H>
/** Hook location for trace module to set up when loaded. */
namespace TRACE { void (*traceCallback)(void*, size_t) = NULL; };
extern "C" void __assert(AssertBehavior i_assertb, int i_line)
{
if ((i_assertb == ASSERT_CRITICAL) && (KernelMisc::in_kernel_mode()))
{
i_assertb = ASSERT_KERNEL;
}
switch (i_assertb)
{
case ASSERT_TRACE_DONE: // Custom trace was provided.
task_crash();
break;
case ASSERT_TRACE_NOTDONE: // Do a normal trace.
if (NULL != TRACE::traceCallback)
{
(*TRACE::traceCallback)(linkRegister(), i_line);
}
else
{
printk("Assertion failed @%p on line %d.\n",
linkRegister(), i_line);
}
task_crash();
break;
case ASSERT_CRITICAL: // Critical task, trace not available.
printk("Assertion failed @%p on line %d.(Crit_Assert)\n",
linkRegister(), i_line);
// Need to call the external CritAssert system call
cpu_crit_assert(reinterpret_cast<uint64_t>(linkRegister()));
break;
case ASSERT_KERNEL: // Kernel assert called.
printk("Assertion failed @%p on line %d. (kassert)\n",
linkRegister(), i_line);
// Call function to create SRC and update TI Data area
termWriteSRC(TI_KERNEL_ASSERT, RC_ASSERT,
reinterpret_cast<uint64_t>(linkRegister()));
// Call to force TI
terminateExecuteTI();
break;
}
// Loop forever if we make it here. Should only happen in kernel code.
while (true)
{
setThreadPriorityLow();
}
}
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