first semihosting integration

libwrap/CMakeLists.txt

@@ -0,0 +1,54 @@
+
+IF(NOT DEFINED _MK_LIBWRAP)
+
+SET(_MK_LIBWRAP TRUE)
+
+SET(LIBWRAP_DIR ${CMAKE_CURRENT_LIST_DIR})
+
+SET(LIBWRAP_SRCS
+    ${LIBWRAP_DIR}/stdlib/malloc.c
+    ${LIBWRAP_DIR}/sys/open.c
+    ${LIBWRAP_DIR}/sys/lseek.c
+    ${LIBWRAP_DIR}/sys/read.c
+    ${LIBWRAP_DIR}/sys/write.c
+    ${LIBWRAP_DIR}/sys/fstat.c
+    ${LIBWRAP_DIR}/sys/stat.c
+    ${LIBWRAP_DIR}/sys/close.c
+    ${LIBWRAP_DIR}/sys/link.c
+    ${LIBWRAP_DIR}/sys/unlink.c
+    ${LIBWRAP_DIR}/sys/execve.c
+    ${LIBWRAP_DIR}/sys/fork.c
+    ${LIBWRAP_DIR}/sys/getpid.c
+    ${LIBWRAP_DIR}/sys/kill.c
+    ${LIBWRAP_DIR}/sys/wait.c
+    ${LIBWRAP_DIR}/sys/isatty.c
+    ${LIBWRAP_DIR}/sys/times.c
+    ${LIBWRAP_DIR}/sys/sbrk.c
+    ${LIBWRAP_DIR}/sys/_exit.c
+    ${LIBWRAP_DIR}/misc/write_hex.c
+    ${LIBWRAP_DIR}/sys/printf.c
+)
+IF(${SEMIHOSTING})
+    SET(LIBWRAP_SRCS ${LIBWRAP_SRCS} ${LIBWRAP_DIR}/semihosting/semihosting.c ${LIBWRAP_DIR}/semihosting/trap.c)
+ENDIF()
+
+SET(LIBWRAP_SYMS malloc free open lseek read write fstat stat close link unlink execve fork getpid jukk wait isatty times sbrk _exit printf puts)
+# Includes
+INCLUDE_DIRECTORIES(
+    ${LIBWRAP_DIR}
+    ${LIBWRAP_DIR}/../include
+    ${LIBWRAP_DIR}/../drivers
+    ${LIBWRAP_DIR}/../env
+    ${LIBWRAP_DIR}/../env/iss
+)
+
+ADD_LIBRARY(LIBWRAP_TGC STATIC ${LIBWRAP_SRCS})
+TARGET_COMPILE_OPTIONS(LIBWRAP_TGC PRIVATE -march=${RISCV_ARCH}_zicsr_zifencei -mabi=${RISCV_ABI} "-DBOARD_${BOARD}")
+
+FOREACH(SYM ${LIBWRAP_SYMS})
+    LIST(APPEND WRAP_LDFLAGS "-Wl,--wrap=${SYM}")
+ENDFOREACH()
+
+SET(LIBWRAP_TGC_LDFLAGS ${WRAP_LDFLAGS} "-Wl,--start-group" "-Wl,--end-group")
+
+ENDIF(NOT DEFINED _MK_LIBWRAP)