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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/bootloader/bootloader.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2018 */
/* [+] 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 */
#ifndef __BOOT_LOADER_H
#define __BOOT_LOADER_H
/**
* @file bootloader.H
*
* TaskInfo structs for each task that will run.
*/
#include <builtins.h>
#include <pnor_const.H>
#include <pnor_utils.H>
#include <common/ffs_hb.H>
#include <kernel/terminate.H>
#include <kernel/hbterminatetypes.H>
#include <bootloader/bootloaderif.H>
#include <bootloader/bootloader_trace.H>
#include <bootloader/bootloader_data.H>
#include <bootloader/hbblreasoncodes.H>
extern "C" void task_end_stub();
extern "C" void enterHBB(uint64_t i_hbb_hrmor, uint64_t i_hbb_offset,
uint64_t i_urmor_hack_req);
#define printk(format...)
/**
* @brief Handle setting up to terminate Bootloader
*
* @param[in] i_moduleID ID for module where terminate is occurring
* @param[in] i_reasoncode Reason code for why terminating
* @param[in] i_word7 Data for SRC word 7 / @userdata2[0:31]
* (optional, default is 0)
* @param[in] i_word8 Data for SRC word 8 / @userdata2[32:63]
* (optional, default is 0)
* @param[in] i_executeTI Flag for calling terminateExecuteTI
* (optional, default is true)
* @param[in] i_failAddr Address associated with termination
* (SRC word 6 / @userdata1[32:63],
* optional, default is 0)
* @param[in] i_error_info Optional error data to go in the TI
* data area
* */
void bl_terminate(uint8_t i_moduleID,
uint16_t i_reasoncode,
uint32_t i_word7 = 0,
uint32_t i_word8 = 0,
bool i_executeTI = true,
uint64_t i_failAddr = 0,
uint32_t i_error_info = 0);
/**
* @brief Macro to assert using bl_terminate
*
* Calls bl_terminate with default module id and reason code for assert
*/
#define __ASSERT() \
{\
bl_terminate(Bootloader::MOD_BOOTLOADER_ASSERT,Bootloader::RC_ASSERT);\
}
/**
* @brief Macro to assert with custom trace
*
* Calls Bootloader trace and assert macro
*/
#define __ASSERT_W_TRACE(trace) \
{ \
BOOTLOADER_TRACE(trace);\
__ASSERT();\
}
/**
* @brief Macro to assert using bl_terminate with custom trace and reason code.
*
* Calls Bootloader trace and provides a custom reason code to bl_terminate
*/
#define __ASSERT_W_TRACE_RC(trace,rc) \
{ \
BOOTLOADER_TRACE(trace);\
bl_terminate(Bootloader::MOD_BOOTLOADER_ASSERT, rc);\
}
// Macro tricks to determine which assert macro to call
#define GET_MACRO(_1,_2,_3,FUNC,...) FUNC
/**
* @brief Standard assert macro.
*
* Verifies condition, uses GET_MACRO to determine which assert macro to call.
* Supports asserting via bl_terminate with custom trace and/or reason code
*/
#define assert(expr, ...) \
{\
if(unlikely(!(expr))) \
{\
GET_MACRO(0, ##__VA_ARGS__, __ASSERT_W_TRACE_RC, __ASSERT_W_TRACE, __ASSERT)(__VA_ARGS__) \
}\
}
namespace Bootloader{
/**
* @brief Get the current HBBL HRMOR
*
* Used to know where the bootloader is running
*/
ALWAYS_INLINE
inline uint64_t getHRMOR()
{
register uint64_t hrmor = 0;
asm volatile("mfspr %0, 313" : "=r" (hrmor));
return hrmor;
}
/**
* @brief Get the current PVR of the chip
*
* Used to perform SMF workarounds for p9 chips
*/
ALWAYS_INLINE
inline uint64_t getPVR()
{
register uint64_t pvr = 0;
asm volatile("mfspr %0, 287" : "=r" (pvr));
return pvr;
}
/**Core Scratch Register 1 which tells HRMOR and memsize.
This is passed into writeScratchReg to select which scratch
reg you are writing */
#define MMIO_SCRATCH_MEMORY_STATE 0x08
/**Core Scratch Register 3 which tells the state of hostboot.
This is passed into writeScratchReg to select which scratch
reg you are writing */
#define MMIO_SCRATCH_HOSTBOOT_ACTIVE 0x18
/**
* @brief Pointer to bootloader scratch space
*
* Pointer to location in main storage which bootloader uses as
* scratch space
*/
extern uint8_t *g_blScratchSpace;
/** @enum MMIOLoadStoreSizes
* @brief List of MMIO Load and Store Sizes.
*
* These are the sizes (in bytes) for the load and store commands used
* to read and write data when handling an MMIO.
*/
enum MMIOLoadStoreSizes
{
/** BYTESIZE */
BYTESIZE = 1,
/** WORDSIZE */
WORDSIZE = 4,
/** DBLWORDSIZE */
DBLWORDSIZE = 8
};
/**
* @brief Handle MMIO to copy code/data from one location to another
*
* @param[in] i_srcAddr MMIO address to copy from
* @param[in] i_destAddr address to copy to
* @param[in] i_size number of bytes to copy
* @param[in] i_ld_st_size size of data in ld and st instructions
* BYTESIZE => copy 1 byte at a time
* WORDSIZE => copy 4 bytes at a time
* DBLWORDSIZE => copy 8 bytes at a time
*/
extern void handleMMIO(uint64_t i_srcAddr,
uint64_t i_destAddr,
uint32_t i_size,
MMIOLoadStoreSizes i_ld_st_size);
/** @enum HbbLengths
* @brief List of HBB lengths.
*
* These are the lengths of the Hostboot Base data or instructions
* with and without ECC.
*/
enum HbbLengths
{
/** LENGTH_WO_ECC */
LENGTH_WO_ECC = 8,
/** LENGTH_W_ECC */
LENGTH_W_ECC = 9
};
/**
* @brief List of addresses where HBB and HBBL code is stored.
*
* These specify locations where the Hostboot Bootloader code is
* stored and where it stores the Hostboot Base code. The HBB code
* is copied to various locations as the HBBL works with it. Then
* HBB is copied to its running location and its execution is started.
*/
/** HW Keys hash is placed in the last 64 bytes of the HBBL */
#define HW_KEYS_HASH_ADDR (getHRMOR() + HBBL_EXCEPTION_VECTOR_SIZE \
+ MAX_HBBL_SIZE - 64)
/** Location of working copy of HBB with ECC */
#define HBB_ECC_WORKING_ADDR (getHRMOR() - ( 1*MEGABYTE))
/** Location of working copy of HBB without ECC */
#define HBB_WORKING_ADDR (getHRMOR() + ( 1*MEGABYTE))
/** Location of HBBL data */
#define HBBL_DATA_ADDR (getHRMOR() + HBBL_EXCEPTION_VECTOR_SIZE \
+ MAX_HBBL_SIZE)
/** Location of HBBL scratch space */
#define HBBL_SCRATCH_SPACE_ADDR (getHRMOR() + (64*KILOBYTE))
/** Location of SBE HB communication area
Defined in SBE code and bootloader.ld */
#define SBE_HB_COMM_ADDR (getHRMOR() + 0x4)
enum
{
/** Offset for starting running copy of HBB */
HBB_RUNNING_OFFSET = 0,
/** Mask to indicate HRMOR should be ignored for the address */
IGNORE_HRMOR_MASK = 0x8000000000000000ul
};
} // end namespace Bootloader
#endif
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