SH-2E CPU implementation

.gitignore

@@ -25,3 +25,6 @@ doxygen/
 /.cproject
 /.settings
 /.pydevproject
+
+# MacOS
+.DS_Store

Makefile.in

@@ -13,7 +13,7 @@ bindir = @bindir@
 
 BINARY = msim
 
-.PHONY: all install uninstall clean distclean rvtest cstyle
+.PHONY: all install uninstall clean distclean rvtest shtest cstyle
 
 all:
 	$(MAKE) -C src
@@ -28,14 +28,17 @@ uninstall:
 clean:
 	$(MAKE) -C src clean
 	$(MAKE) -C tests/rvtests/unit-tests clean
+	$(MAKE) -C tests/shtests/unit-tests clean
 
 distclean: clean
 	$(MAKE) -C src distclean
 	$(MAKE) -C tests/rvtests/unit-tests distclean
+	$(MAKE) -C tests/shtests/unit-tests distclean
 	$(RM) -f Makefile config.log config.status config.h stamp-h
 
 test:
 	make -C . rvtest
+	make -C . shtest
 	bats tests/system/
 
 rvtest:
@@ -45,5 +48,12 @@ rvtest:
 	cd tests/rvtests ; python3 run_tests.py
 	@echo "\n All Tests Passed!"
 
+shtest:
+	@echo "\nUnit tests:"
+	$(MAKE) -C src shtest
+	@echo "\nSystem tests:"
+	cd tests/shtests ; python3 run_tests.py
+	@echo "\n All Tests Passed!"
+
 cstyle:
 	find src/ tests/ -name '*.[ch]' -exec clang-format -style=file -i {} \;

configure.ac

@@ -34,6 +34,7 @@ fi
 AC_PROG_INSTALL
 
 AC_CHECK_LIB(readline, readline,, [AC_MSG_FAILURE(Library readline not found.)])
+AC_CHECK_LIB(m, fmaf,, [AC_MSG_FAILURE(Math library not found.)])
 AC_CHECK_LIB(wsock32, main)
 
 AC_CHECK_INCLUDES_DEFAULT
@@ -43,6 +44,7 @@ AC_CHECK_HEADERS([ \
 	fcntl.h \
 	getopt.h \
 	inttypes.h \
+	math.h \
 	readline/history.h \
 	readline/readline.h \
 	signal.h \

doc/development.rst

@@ -34,4 +34,6 @@ All the devices are specified in the ``device`` directory.
 The general CPU interface in located in ``device/cpu/general_cpu.h``.
 
 The CPU architectures are implemented in their own directories: inside
-``device/cpu/mips_r4000`` and ``device/cpu/riscv_rv32ima``.
+``device/cpu/mips_r4000``, ``device/cpu/riscv_rv32ima``, ``device/cpu/riscv_rv64ima`` and ``device/cpu/superh_sh2e``.
+
+The general INTC interface is located in ``device/intc/intc.h`` and the implementation of the SH-2E INTC is located in ``device/intc/sh2e_intc.c``.