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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/secureboot/base/service.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2017 */
/* [+] 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 <secureboot/service.H>
#include <stdint.h>
#include <sys/mm.h>
#include <util/singleton.H>
#include <secureboot/secure_reasoncodes.H>
#include <config.h>
#include <devicefw/userif.H>
#include <targeting/common/utilFilter.H>
#include <targeting/common/targetservice.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <errl/errludtarget.H>
#include <initservice/initserviceif.H>
#include <secureboot/settings.H>
#include <secureboot/header.H>
#include "purge.H"
#include <kernel/misc.H>
#include <kernel/console.H>
#include <console/consoleif.H>
#include "../common/securetrace.H"
// Quick change for unit testing
//#define TRACUCOMP(args...) TRACFCOMP(args)
#define TRACUCOMP(args...)
using namespace ERRORLOG;
using namespace TARGETING;
namespace SECUREBOOT
{
// TODO securebootp9 - Do a diff of this file with the p8 version make sure
// all the missing parts are brought in.
void* initializeBase(void* unused)
{
errlHndl_t l_errl = NULL;
do
{
// Load original secureboot header.
if (enabled())
{
Singleton<Header>::instance().loadSecurely();
}
// Extend memory footprint into lower portion of cache.
assert(0 == mm_extend(MM_EXTEND_PARTIAL_CACHE));
// Don't extend more than 1/2 cache in VPO as fake PNOR is there
// Don't enable SecureRomManager in VPO
#ifndef CONFIG_P9_VPO_COMPILE
// Run dcbz on the entire 10MB cache
assert(0 == mm_extend(MM_EXTEND_FULL_CACHE));
// Initialize the Secure ROM
l_errl = initializeSecureRomManager();
if (l_errl)
{
break;
}
#endif
} while(0);
return l_errl;
}
#if defined(CONFIG_SECUREBOOT) && !defined(__HOSTBOOT_RUNTIME)
bool enabled()
{
return Singleton<Settings>::instance().getEnabled();
}
#endif
errlHndl_t getSecuritySwitch(uint64_t& o_regValue, TARGETING::Target* i_targ)
{
return Singleton<Settings>::instance().getSecuritySwitch(o_regValue,i_targ);
}
errlHndl_t getJumperState(SecureJumperState& o_state, TARGETING::Target* i_targ)
{
return Singleton<Settings>::instance().getJumperState(o_state, i_targ);
}
errlHndl_t clearSecuritySwitchBits(
const std::vector<SECUREBOOT::ProcSecurity>& i_bits,
TARGETING::Target* const i_pTarget)
{
return Singleton<Settings>::instance().clearSecuritySwitchBits(
i_bits, i_pTarget);
}
errlHndl_t setSecuritySwitchBits(
const std::vector<SECUREBOOT::ProcSecurity>& i_bits,
TARGETING::Target* const i_pTarget)
{
return Singleton<Settings>::instance().setSecuritySwitchBits(
i_bits, i_pTarget);
}
void handleSecurebootFailure(errlHndl_t &io_err, bool i_waitForShutdown)
{
TRACFCOMP( g_trac_secure, ENTER_MRK"handleSecurebootFailure()");
assert(io_err != NULL, "Secureboot Failure has a NULL error log")
// Grab errlog reason code before committing.
uint16_t l_rc = io_err->reasonCode();
#ifdef CONFIG_CONSOLE
CONSOLE::displayf(SECURE_COMP_NAME, "Secureboot Failure plid = 0x%08X, rc = 0x%04X\n",
io_err->plid(), l_rc);
#endif
printk("Secureboot Failure plid = 0x%08X, rc = 0x%04X\n",
io_err->plid(),l_rc);
// Add Verification callout
io_err->addProcedureCallout(HWAS::EPUB_PRC_FW_VERIFICATION_ERR,
HWAS::SRCI_PRIORITY_HIGH);
errlCommit(io_err, SECURE_COMP_ID);
// Shutdown with Secureboot error status
INITSERVICE::doShutdown(l_rc, !i_waitForShutdown);
}
} //namespace SECUREBOOT
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