heavily restructured libpayload, more integrated with c8_remote now

c8_remote/lib/payload/CMakeLists.txt

@@ -0,0 +1,38 @@
+project(checkm8_libpayload_sources C ASM)
+include_directories(${CMAKE_CURRENT_LIST_DIR}/include)
+
+
+set(CMAKE_SYSTEM_PROCESSOR arm)
+if(${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL "x86_64")
+    # regular desktop
+    set(CMAKE_C_COMPILER    /usr/bin/aarch64-linux-gnu-gcc)
+    set(CMAKE_ASM_COMPILER  /usr/bin/aarch64-linux-gnu-as)
+    set(CMAKE_OBJCOPY       /usr/bin/aarch64-linux-gnu-objcopy)
+elseif(${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL "armv7l")
+    # raspberry pi
+    set(CMAKE_C_COMPILER    /opt/cross/bin/aarch64-linux-gcc)
+    set(CMAKE_ASM_COMPILER  /opt/cross/bin/aarch64-linux-as)
+    set(CMAKE_OBJCOPY       /opt/cross/bin/aarch64-linux-objcopy)
+endif()
+
+set(CMAKE_C_FLAGS "-nostdlib -O -Wl,--gc-sections")
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin)
+
+add_library(bootrom_dev bootrom_dev.c)
+
+foreach(NAME ${PL_NAMES})
+    if(EXISTS ${CMAKE_CURRENT_LIST_DIR}/src/${NAME}.S)
+        add_executable(payload_${NAME} ${CMAKE_CURRENT_LIST_DIR}/src/${NAME}.c
+                                       ${CMAKE_CURRENT_LIST_DIR}/src/${NAME}.S)
+    else()
+        add_executable(payload_${NAME} ${CMAKE_CURRENT_LIST_DIR}/src/${NAME}.c)
+    endif()
+
+    target_link_libraries(payload_${NAME} bootrom_dev)
+    add_custom_command(TARGET       payload_${NAME} POST_BUILD
+                        BYPRODUCTS  ${CMAKE_CURRENT_BINARY_DIR}/bin/payload_${NAME}.bin
+                        COMMAND     ${CMAKE_OBJCOPY}
+                        ARGS        -O binary -j .text -j .payload_text -j .bootrom_lib.*
+                                    ${CMAKE_CURRENT_BINARY_DIR}/payload_${NAME}
+                                    ${CMAKE_CURRENT_BINARY_DIR}/bin/payload_${NAME}.bin)
+endforeach(NAME)