Remove bare metal compilation framework in preparation for new Zephyr build files

CMakeLists.txt

-################################################################################
-###
-### @file       CMakeLists.txt
-###
-### @project
-###
-### @brief      Top level CMake file
-###
-################################################################################
-###
-################################################################################
-###
-### @copyright Copyright (c) 2018-2020, Evan Lojewski
-### @cond
-###
-### All rights reserved.
-###
-### Redistribution and use in source and binary forms, with or without
-### modification, are permitted provided that the following conditions are met:
-### 1. Redistributions of source code must retain the above copyright notice,
-### this list of conditions and the following disclaimer.
-### 2. Redistributions in binary form must reproduce the above copyright notice,
-### this list of conditions and the following disclaimer in the documentation
-### and/or other materials provided with the distribution.
-### 3. Neither the name of the copyright holder nor the
-### names of its contributors may be used to endorse or promote products
-### derived from this software without specific prior written permission.
-###
-################################################################################
-###
-### THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-### AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-### IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-### ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-### LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-### CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-### SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-### INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-### CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-### ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-### POSSIBILITY OF SUCH DAMAGE.
-### @endcond
-################################################################################
-
-enable_testing()
-include(GoogleTest)
-
-SET(FPGA_BUILD_DIR "${CMAKE_CURRENT_SOURCE_DIR}/bootrom/fpga/release"
-    CACHE PATH
-    "Path to the FPGA build folder from the litex-boards repo: <litex-boards-repo>/litex_boards/targets/build/versa_ecp5")
-
-FIND_PROGRAM(CMAKE_C_COMPILER
-            NAMES flint_clang clang
-            REQUIRED)
-
-FIND_PROGRAM(CMAKE_CXX_COMPILER
-            NAMES flint_clang++ clang++
-            REQUIRED)
-
-FIND_PROGRAM(CMAKE_ASM_COMPILER
-        NAMES clang
-        REQUIRED)
-
-set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions")
-
-include(cmake/version.cmake)
-
-cmake_minimum_required(VERSION 3.5.1)
-project(firmware VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH})
-
-include(bootrom/cmake/clang-format.cmake)
-include(bootrom/cmake/clang-analyzer.cmake)
-include(bootrom/cmake/clang-tidy.cmake)
-include(bootrom/cmake/config.cmake)
-
-add_subdirectory(bootrom/utils)
-# add_subdirectory(bootrom/tests)
-
-# # Default include for all subprojects
-include_directories(${FPGA_BUILD_DIR}/software/include)
-include_directories(bootrom/include)
-
-add_definitions("-D__microwatt__")
-
-add_subdirectory(bootrom/libbase)
-
-ppc64le_add_executable(${PROJECT_NAME}
-    utility.c       utility.h
-    isr.c
-    main.c
-    fsi.c           fsi.h
-    opencores_i2c.c opencores_i2c.h
-
-    aquila.h
-    ipmi_bt.h
-    micron_n25q_flash.h
-    tercel_spi.h
-)
-ppc64le_linker_script(${PROJECT_NAME} "${CMAKE_CURRENT_SOURCE_DIR}/linker.ld")
-target_link_libraries(${PROJECT_NAME} PRIVATE libbase)
-target_compile_definitions(${PROJECT_NAME} PRIVATE "-DNO_FLINT") # Disable linting
-
-format_target_sources(${PROJECT_NAME})
-enable_clang_tidy(${PROJECT_NAME})

build.sh

-#!/bin/sh
-################################################################################
-###
-### @file       build.sh
-###
-### @project    bootrom
-###
-### @brief      Top level build script.
-###
-################################################################################
-###
-################################################################################
-###
-### @copyright Copyright (c) 2020, Evan Lojewski
-### @cond
-###
-### All rights reserved.
-###
-### Redistribution and use in source and binary forms, with or without
-### modification, are permitted provided that the following conditions are met:
-### 1. Redistributions of source code must retain the above copyright notice,
-### this list of conditions and the following disclaimer.
-### 2. Redistributions in binary form must reproduce the above copyright notice,
-### this list of conditions and the following disclaimer in the documentation
-### and/or other materials provided with the distribution.
-### 3. Neither the name of the copyright holder nor the
-### names of its contributors may be used to endorse or promote products
-### derived from this software without specific prior written permission.
-###
-################################################################################
-###
-### THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-### AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-### IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-### ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-### LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-### CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-### SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-### INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-### CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-### ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-### POSSIBILITY OF SUCH DAMAGE.
-### @endcond
-################################################################################
-
-GENERATOR=
-BUILD_DIR=build
-ARGS="$@"
-
-if [ ! -x "$CMAKE" ]
-then
-    CMAKE=`which cmake3`
-    if [ ! -x "$CMAKE" ]
-    then
-        CMAKE=`which cmake`
-        if [ ! -x "$CMAKE" ]
-        then
-            echo "ERROR: Unable to locate cmake."
-            exit -1
-        fi
-    fi
-fi
-
-if [ ! -x "$CPACK" ]
-then
-    CPACK=`which cpack3`
-    if [ ! -x "$CPACK" ]
-    then
-        CPACK=`which cpack`
-        if [ ! -x "$CPACK" ]
-        then
-            echo "ERROR: Unable to locate cpack."
-            exit -1
-        fi
-    fi
-fi
-
-NINJA=`which ninja-build`
-if [ -x "$NINJA" ]
-then
-    GENERATOR=-GNinja
-else
-    NINJA=`which ninja`
-    if [ -x "$NINJA" ]
-    then
-        GENERATOR=-GNinja
-    else
-        echo "WARNING: Unable to locate ninja."
-    fi
-fi
-
-echo "Using cmake: $CMAKE $GENERATOR"
-
-set -e
-
-# Clean out the build folder.
-"$CMAKE" -E remove_directory "$BUILD_DIR"
-"$CMAKE" -E make_directory "$BUILD_DIR"
-
-cd "$BUILD_DIR"
-
-# Generate the build system
-"$CMAKE" .. $GENERATOR "$@"
-
-# Ensure formatting is correct and perform the build
-"$CMAKE" --build . --target check-format
-"$CMAKE" --build . --target all
-
-# Run the tests
-"$CMAKE" --build . --target test
-
-# Generate release packages.
-"$CMAKE" --build . --target package
-# Work around an issue with --target package_source that fails due to ('s in the path
-"$CPACK" --config ./CPackSourceConfig.cmake

cmake/source_install.cmake.in

-################################################################################
-###
-### @file       source_install.cmake.in
-###
-### @project
-###
-### @brief      Release Package configurations
-###
-################################################################################
-###
-################################################################################
-###
-### @copyright Copyright (c) 2020, Evan Lojewski
-### @cond
-###
-### All rights reserved.
-###
-### Redistribution and use in source and binary forms, with or without
-### modification, are permitted provided that the following conditions are met:
-### 1. Redistributions of source code must retain the above copyright notice,
-### this list of conditions and the following disclaimer.
-### 2. Redistributions in binary form must reproduce the above copyright notice,
-### this list of conditions and the following disclaimer in the documentation
-### and/or other materials provided with the distribution.
-### 3. Neither the name of the copyright holder nor the
-### names of its contributors may be used to endorse or promote products
-### derived from this software without specific prior written permission.
-###
-################################################################################
-###
-### THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-### AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-### IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-### ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-### LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-### CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-### SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-### INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-### CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-### ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-### POSSIBILITY OF SUCH DAMAGE.
-### @endcond
-################################################################################
-
-if(CPACK_SOURCE_INSTALLED_DIRECTORIES)
-    file(INSTALL
-        DESTINATION
-            "${CMAKE_INSTALL_PREFIX}/"
-        TYPE FILE
-        FILES
-            "@CMAKE_BINARY_DIR@/changelog"
-            "@CMAKE_BINARY_DIR@/version"
-    )
-endif()

cmake/version.cmake

-################################################################################
-###
-### @file       version.cmake
-###
-### @project    bootrom
-###
-### @brief      Version configuration
-###
-################################################################################
-###
-################################################################################
-###
-### @copyright Copyright (c) 2021, Evan Lojewski
-### @cond
-###
-### All rights reserved.
-###
-### Redistribution and use in source and binary forms, with or without
-### modification, are permitted provided that the following conditions are met:
-### 1. Redistributions of source code must retain the above copyright notice,
-### this list of conditions and the following disclaimer.
-### 2. Redistributions in binary form must reproduce the above copyright notice,
-### this list of conditions and the following disclaimer in the documentation
-### and/or other materials provided with the distribution.
-### 3. Neither the name of the copyright holder nor the
-### names of its contributors may be used to endorse or promote products
-### derived from this software without specific prior written permission.
-###
-################################################################################
-###
-### THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-### AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-### IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-### ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-### LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-### CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-### SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-### INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-### CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-### ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-### POSSIBILITY OF SUCH DAMAGE.
-### @endcond
-################################################################################
-
-SET(VERSION_MAJOR 0)
-SET(VERSION_MINOR 1)
-SET(VERSION_PATCH )
-
-SET(SEMVER_REGEX "v?(0|[1-9]*)\\.(0|[0-9]*)\\.(0|[0-9]*)")
-
-SET(VERSION_FILE ${CMAKE_SOURCE_DIR}/version)
-SET(CHANGELOG_FILE ${CMAKE_SOURCE_DIR}/changelog)
-IF(EXISTS ${VERSION_FILE})
-    # Release package including a version file.
-    FILE(STRINGS ${VERSION_FILE} lines)
-    LIST(GET lines 0 FULL_VERSION)
-    LIST(GET lines 1 VERSION_DATE)
-    LIST(GET lines 2 VERSION_TIMESTAMP)
-    STRING(REPLACE "." ";" FULL_VERSION ${FULL_VERSION})
-
-    LIST(GET FULL_VERSION 0 VERSION_MAJOR)
-    LIST(GET FULL_VERSION 1 VERSION_MINOR)
-    LIST(GET FULL_VERSION 2 VERSION_PATCH)
-
-    # Read in changelog
-    FILE(READ ${CHANGELOG_FILE} CHANGELOG)
-ELSE()
-    # Within a git repository
-
-    # Find the previous tag. This should be in the format of "vMajor.Minor.Patch"
-    # HEAD~1 is used here to ensure release tags build properly.
-    EXECUTE_PROCESS(COMMAND git describe --abbrev=0 --tags HEAD~1
-                    OUTPUT_VARIABLE PREVIOUS_TAG
-                    OUTPUT_STRIP_TRAILING_WHITESPACE)
-
-    STRING(REGEX MATCHALL "${SEMVER_REGEX}" DID_MATCH "${PREVIOUS_TAG}")
-    SET(PREVIOUS_MAJOR ${CMAKE_MATCH_1})
-    SET(PREVIOUS_MINOR ${CMAKE_MATCH_2})
-    SET(PREVIOUS_PATCH ${CMAKE_MATCH_3})
-
-    EXECUTE_PROCESS(COMMAND git rev-list --count ${PREVIOUS_TAG}..HEAD
-                    OUTPUT_VARIABLE VERSION_PATCH
-                    OUTPUT_STRIP_TRAILING_WHITESPACE)
-
-    EXECUTE_PROCESS(COMMAND git log --pretty=format:%s ${PREVIOUS_TAG}..HEAD
-                    OUTPUT_VARIABLE CHANGELOG
-                    OUTPUT_STRIP_TRAILING_WHITESPACE)
-
-
-    # If we are on the same Major/Minor version, continue increasing the patch version.
-    IF("${PREVIOUS_MAJOR}.${PREVIOUS_MINOR}" VERSION_EQUAL "${VERSIN_MAJOR}.${VERSION_MINOR}")
-        MATH(EXPR VERSION_PATCH "${PREVIOUS_PATCH} + ${VERSION_PATCH}")
-    ELSEIF("${PREVIOUS_MAJOR}.${PREVIOUS_MINOR}" VERSION_GREATER "${VERSIN_MAJOR}.${VERSION_MINOR}")
-        # We somehow regressed in versioning.
-        MESSAGE(FATAL_ERROR "Last release ${PREVIOUS_TAG} is newer than current ${VERSION_MAJOR}.${VERSION_MINOR}.x")
-    ELSE()
-        # No released versions for this major.minor pair.
-    ENDIF()
-
-    EXECUTE_PROCESS(COMMAND git log -1 --date=short --format=%cd
-                    OUTPUT_VARIABLE VERSION_DATE
-                    OUTPUT_STRIP_TRAILING_WHITESPACE)
-
-    EXECUTE_PROCESS(COMMAND git log -1 --date=short --format=%cD
-                    OUTPUT_VARIABLE VERSION_TIMESTAMP
-                    OUTPUT_STRIP_TRAILING_WHITESPACE)
-ENDIF()
-
-SET(VERSION_STRING "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
-
-add_compile_options(
-    -DVERSION_MAJOR=${VERSION_MAJOR}
-    -DVERSION_MINOR=${VERSION_MINOR}
-    -DVERSION_PATCH=${VERSION_PATCH}
-)
-
-FILE(WRITE ${CMAKE_BINARY_DIR}/version "${VERSION_STRING}\n${VERSION_DATE}\n${VERSION_TIMESTAMP}")
-FILE(WRITE ${CMAKE_BINARY_DIR}/changelog ${CHANGELOG})
-
-INSTALL(FILES ${CMAKE_BINARY_DIR}/version DESTINATION .)
-INSTALL(FILES ${CMAKE_BINARY_DIR}/changelog DESTINATION .)

linker.ld

-INCLUDE generated/output_format.ld
-ENTRY(_start)
-
-INCLUDE generated/regions.ld
-
-SECTIONS
-{
-    .text :
-    {
-        _ftext = .;
-        *(.text.crt0) /* _start */
-
-        /* Remaing text */
-        *(.text .stub .text.* .gnu.linkonce.t.*)
-        _etext = .;
-    } > main_ram
-
-    .rodata ALIGN(8):
-    {
-        _frodata = .;
-        *(.rodata .rodata.* .gnu.linkonce.r.*)
-        *(.rodata1)
-        *(.got .got.*)
-        *(.toc .toc.*)
-
-        /* Make sure the file is aligned on disk as well
-            as in memory; CRC calculation requires that. */
-        FILL(0);
-        . = ALIGN(8);
-        _erodata = .;
-    } > main_ram
-
-    .data ALIGN(8):
-    {
-        _fdata = .;
-        *(.branch_lt)
-        *(.data .data.* .gnu.linkonce.d.*)
-        *(.data1)
-        *(.sdata .sdata.* .gnu.linkonce.s.*)
-
-        /* Make sure the file is aligned on disk as well
-            as in memory; CRC calculation requires that. */
-        FILL(0);
-        . = ALIGN(8);
-        _edata = .;
-    } > main_ram
-
-    .ivt ALIGN(16K) (NOLOAD):
-    {
-        _ivt_base = .;
-        . += 4K;
-    } > main_ram
-
-    .bss ALIGN(8):
-    {
-        _fbss = .;
-        *(.dynsbss)
-        *(.sbss .sbss.* .gnu.linkonce.sb.*)
-        *(.scommon)
-        *(.dynbss)
-        *(.bss .bss.* .gnu.linkonce.b.*)
-        *(COMMON)
-        . = ALIGN(8);
-        _ebss = .;
-        _end = .;
-    } > sram
-
-    /DISCARD/ :
-    {
-        *(.eh_frame)
-        *(.comment)
-    }
-}
-
-PROVIDE(_fstack = ORIGIN(sram) + LENGTH(sram) - 8);
-
-/* Ensure needed symbols are at the expected locations */
-ASSERT(_exception_entry_size <= 0x80, "_exception_entry must not be larger than 0x80 bytes)")