From b742fd9b5b3c07129abfa3c099655346f6b1e6a6 Mon Sep 17 00:00:00 2001 From: Marty Gloff Date: Thu, 17 Dec 2015 10:10:47 -0600 Subject: Hostboot Bootloader Infrastructure New and changed code to provide bootloader infrastructure. Changes to build bootloader and create the image file. Change-Id: Ie400f0ca6954b86e275fd68c9462f8d18eeec98a RTC:127211 Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/22856 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell --- src/include/bootloader/bootloader.H | 93 +++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 src/include/bootloader/bootloader.H (limited to 'src/include/bootloader/bootloader.H') diff --git a/src/include/bootloader/bootloader.H b/src/include/bootloader/bootloader.H new file mode 100644 index 000000000..89b4bd761 --- /dev/null +++ b/src/include/bootloader/bootloader.H @@ -0,0 +1,93 @@ +/* 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 +#include + +extern "C" void task_end_stub(); + +#define assert(expr) \ +{\ + if (unlikely(!(expr)))\ + {\ + MAGIC_INSTRUCTION(MAGIC_BREAK); /* @TODO RTC:133821 temp bringup */ \ + task_end_stub();\ + }\ +} + +#define printk(format...) + +namespace Bootloader{ + /** @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); + + /** + * @brief Pointer to bootloader scratch space + * + * Pointer to location in main storage which bootloader uses as + * scratch space + */ + extern uint8_t *g_blScratchSpace; +} // end namespace Bootloader + +#endif -- cgit v1.2.3