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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 2015,2016 */
/* [+] 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>
extern "C" void task_end_stub();
extern "C" void enterHBB(uint64_t i_hbb_hrmor, uint64_t i_hbb_offset);
#define assert(expr) \
{\
if (unlikely(!(expr)))\
{\
task_end_stub();\
}\
}
#define printk(format...)
namespace Bootloader{
/**
* @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
};
/** @enum HbAddrs
* @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.
*/
enum HbAddrs
{
// @TODO-RTC:138273-Support multiple nodes using relative HRMOR
/** HRMOR */
HBBL_HRMOR = 130*MEGABYTE,
HBB_HRMOR = 128*MEGABYTE,
/** Location of working copy of HBB with ECC */
HBB_ECC_WORKING_ADDR = (HBBL_HRMOR + 1*MEGABYTE),
/** Location of HBBL */
HBBL_ADDR = HBBL_HRMOR,
/** Location of HBBL exception vectors */
HBBL_EXCEPTION_VECTORS_ADDR = HBBL_ADDR,
/** Location of HBBL code */
HBBL_CODE_ADDR = HBBL_ADDR + 12*KILOBYTE,
/** Location of HBBL scratch space */
HBBL_SCRATCH_SPACE_ADDR = HBBL_ADDR + 64*KILOBYTE,
/** Location of working copy of HBB without ECC */
HBB_WORKING_ADDR = (HBBL_HRMOR - 1*MEGABYTE),
/** Location of running copy of HBB */
HBB_RUNNING_ADDR = (HBBL_HRMOR - 2*MEGABYTE),
/** 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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