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CMakeLists.txt
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cmake_minimum_required(VERSION 3.7)
project(scc C)
if (MSVC)
set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Supported build configurations" FORCE)
# warning C4715: 'X': not all control paths return a value
# warning C4244: 'X': conversion from 'T' to 'U', possible loss of data
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Zi /Zo /sdl /W4 /wd4715 /wd4244")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /DEBUG")
add_definitions("-D_CRT_SECURE_NO_WARNINGS")
else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ggdb -Wall -Wextra -pedantic -std=c99 -Wno-return-type")
endif()
if (MSVC)
set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT scc)
endif()
macro(SCC n)
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${n}.com"
COMMAND $<TARGET_FILE:scc> "${CMAKE_CURRENT_SOURCE_DIR}/${n}.c" ./${n}.com
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${n}.c" scc
)
add_custom_target(${n}_com ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/${n}.com")
add_executable(${n} ${n}.c) # Make sure we can build on host as well
endmacro()
SCC(scc)
SCC(scpp)
SCC(sas)
if (MSVC)
# C4127: conditional expression is constant
target_compile_options(scpp PRIVATE /wd4127)
endif()
# Simulator
add_executable(sim86 sim86.c lib.h)
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/sim86.com"
COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/lib.h" .
COMMAND $<TARGET_FILE:scpp> "${CMAKE_CURRENT_SOURCE_DIR}/sim86.c" ./sim86.i
COMMAND $<TARGET_FILE:scc> sim86.i sim86.com
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/sim86.c" "${CMAKE_CURRENT_SOURCE_DIR}/lib.h" scc scpp
)
add_custom_target(sim86_com ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/sim86.com")
# Productivity software :)
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/swar.com"
COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/lib.h" .
COMMAND $<TARGET_FILE:scpp> "${CMAKE_CURRENT_SOURCE_DIR}/swar.c" ./swar.i
COMMAND $<TARGET_FILE:scc> swar.i swar.com
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/swar.c" "${CMAKE_CURRENT_SOURCE_DIR}/lib.h" scc scpp
)
add_custom_target(swar_com ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/swar.com")
if (WIN32)
add_executable(swar swar.c lib.h)
endif()
add_subdirectory(test)
set(MAKE_DISKS FALSE CACHE BOOL "Build disk images? (Downloads SASM)")
if (MAKE_DISKS)
include(ExternalProject)
ExternalProject_Add(SASM
GIT_REPOSITORY https://github.com/mras0/sasm.git
GIT_TAG v1.1
INSTALL_COMMAND ""
)
ExternalProject_Get_property(SASM SOURCE_DIR)
ExternalProject_Get_property(SASM BINARY_DIR)
# HACK
set(EXE_DIR "${BINARY_DIR}")
if (MSVC)
set(EXE_DIR "${EXE_DIR}/$<CONFIG>")
endif()
set(DISKTOOL "${EXE_DIR}/disktool")
set(BOOTSECT "${BINARY_DIR}/boot.bin")
macro(MAKEDISK NAME SIZE)
set(DISK_IMG "${CMAKE_CURRENT_BINARY_DIR}/${NAME}.img")
message(STATUS "Making disk: ${DISK_IMG} ${SIZE}K")
set(TEMPLATE COMMAND "${DISKTOOL}" "${DISK_IMG}")
set(CMDS "")
set(DEPS "")
foreach(n ${ARGN})
set(CMDS ${CMDS} ${TEMPLATE} put "${n}")
set(DEPS ${DEPS} "${n}")
endforeach()
add_custom_command(
OUTPUT "${DISK_IMG}"
${TEMPLATE} create ${SIZE}
${TEMPLATE} boot "${BINARY_DIR}/boot.bin"
${TEMPLATE} put "${BINARY_DIR}/os.sys"
${TEMPLATE} put "${BINARY_DIR}/cmdp.com"
${TEMPLATE} put "${BINARY_DIR}/uvi.com"
${TEMPLATE} put "${BINARY_DIR}/debug.com"
${TEMPLATE} put "${PROJECT_SOURCE_DIR}/LICENSE.md"
${CMDS}
DEPENDS ${DEPS} SASM
)
add_custom_target(${NAME} ALL DEPENDS "${DISK_IMG}")
endmacro()
set(NL "\n")
if (NOT WIN32)
set(NL "\r\n")
endif()
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/build.bat"
"echo scc scc${NL}scc scc.c${NL}"
"echo scc scc${NL}scc scc.c${NL}"
"echo scc scpp${NL}scc scpp.c${NL}"
"echo scpp sim86${NL}scpp sim86.c${NL}"
"echo scc sim86${NL}scc sim86.i${NL}"
"del sim86.i${NL}" # Remove this when debugging
"echo Run \"sim86 scc.com scc.c scc2.com\" to test${NL}"
)
set(SMALL_CONTENTS
"${PROJECT_BINARY_DIR}/scc.com"
"${PROJECT_BINARY_DIR}/scpp.com"
"${PROJECT_BINARY_DIR}/sas.com"
"${PROJECT_BINARY_DIR}/sim86.com"
"${PROJECT_BINARY_DIR}/swar.com"
"${CMAKE_CURRENT_BINARY_DIR}/build.bat"
"${CMAKE_CURRENT_SOURCE_DIR}/scc.c"
"${CMAKE_CURRENT_SOURCE_DIR}/scpp.c"
"${CMAKE_CURRENT_SOURCE_DIR}/sas.c"
"${CMAKE_CURRENT_SOURCE_DIR}/sim86.c"
"${CMAKE_CURRENT_SOURCE_DIR}/lib.h"
)
MAKEDISK(small 360 ${SMALL_CONTENTS})
MAKEDISK(large 1440
${SMALL_CONTENTS}
"${CMAKE_CURRENT_SOURCE_DIR}/swar.c"
"${SOURCE_DIR}/strap.bat"
"${SOURCE_DIR}/sasm.asm"
"${SOURCE_DIR}/boot.asm"
"${SOURCE_DIR}/os.asm"
"${SOURCE_DIR}/cmdp.asm"
"${SOURCE_DIR}/insboot.asm"
"${SOURCE_DIR}/debug.asm"
"${SOURCE_DIR}/uvi.asm"
)
add_custom_target(
release
COMMAND ${CMAKE_COMMAND} -E tar cv scc-dos.zip --format=zip --
"${PROJECT_BINARY_DIR}/scc.com"
"${PROJECT_BINARY_DIR}/scpp.com"
"${PROJECT_BINARY_DIR}/sas.com"
"${PROJECT_BINARY_DIR}/sim86.com"
"${PROJECT_BINARY_DIR}/swar.com"
DEPENDS
"${CMAKE_CURRENT_BINARY_DIR}/small.img"
"${CMAKE_CURRENT_BINARY_DIR}/large.img"
)
find_program(QEMU qemu-system-i386)
if (QEMU)
message("Found qemu: ${QEMU}")
set(QEMU_EXTRA_ARGS "" CACHE STRING "Extra arguments to give QEMU. E.g. \"-s -S\" or \"-curses\"")
set(DISK_IMG "${CMAKE_CURRENT_BINARY_DIR}/large.img")
add_custom_target(
qemu_test
COMMAND qemu-system-i386 -drive format=raw,file=${DISK_IMG},if=floppy ${QEMU_EXTRA_ARGS}
DEPENDS ${DISK_IMG}
)
endif()
endif()