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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/util/runtime/util_rt.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2017,2018 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* 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 */
#include <targeting/common/trace.H>
#include <trace/interface.H>
#include <runtime/interface.h>
#include <util/utilrsvdmem.H>
#include <util/runtime/util_rt.H>
// Create a buffer for high-level HBRT enter/exit traces
// Should only be used to bound the external calls into us
trace_desc_t* g_trac_hbrt = NULL;
TRAC_INIT(&g_trac_hbrt, "HBRT", 2*KILOBYTE);
/**
* @brief Get the address of a reserved hostboot memory region by its label
* @param[in] i_label HBRT_MEM_LABEL_ constant
* @param[in] i_instance instance number
* @param[out] o_size size of returned region in bytes
* @return virtual address of region or 0
* @platform FSP, OpenPOWER
**/
uint64_t hb_get_rt_rsvd_mem(Util::hbrt_mem_label_t i_label,
uint32_t i_instance,
uint64_t & o_size)
{
uint64_t l_label_data_addr = 0;
o_size = 0;
TRACFCOMP(TARGETING::g_trac_targeting,
ENTER_MRK"hb_get_rt_rsvd_mem(0x%llX, %d)", i_label, i_instance);
switch(i_label)
{
case Util::HBRT_MEM_LABEL_VPD:
case Util::HBRT_MEM_LABEL_ATTR:
case Util::HBRT_MEM_LABEL_ATTROVER:
case Util::HBRT_MEM_LABEL_PADDING:
case Util::HBRT_MEM_LABEL_HYPCOMM:
case Util::HBRT_MEM_LABEL_TRACEBUF:
case Util::HBRT_MEM_LABEL_VPD_MEMD:
if( (g_hostInterfaces != NULL) &&
(g_hostInterfaces->get_reserved_mem) )
{
uint64_t hb_data_addr =
g_hostInterfaces->get_reserved_mem(HBRT_RSVD_MEM__DATA,
i_instance);
if (0 != hb_data_addr)
{
Util::hbrtTableOfContents_t * toc_ptr =
reinterpret_cast<Util::hbrtTableOfContents_t *>(
hb_data_addr);
l_label_data_addr = Util::hb_find_rsvd_mem_label(i_label,
toc_ptr,
o_size);
}
else
{
// unable to find HBRT_RSVD_MEM__DATA section
TRACFCOMP(TARGETING::g_trac_targeting, "hb_get_rt_rsvd_mem: Unable to find HBRT_RSVD_MEM__DATA section");
}
}
else
{
// g_hostInterfaces is either NULL or
// get_reserved_mem function isn't defined
TRACFCOMP(TARGETING::g_trac_targeting, "hb_get_rt_rsvd_mem: g_hostInterfaces->get_reserved_mem is invalid");
}
break;
default:
// unknown label?
TRACFCOMP(TARGETING::g_trac_targeting, "hb_get_rt_rsvd_mem: unknown label 0x%.16llX", i_label);
break;
}
TRACFCOMP(TARGETING::g_trac_targeting,
EXIT_MRK"hb_get_rt_rsvd_mem(0x%llX, %d, %ld) -> 0x%.16llX",
i_label, i_instance, o_size,l_label_data_addr);
return l_label_data_addr;
}
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