riscv: add griscv bsp

Update #3678.

4 files changed, 114 insertions, 2 deletions

diff --git a/c/src/lib/libbsp/riscv/acinclude.m4 b/c/src/lib/libbsp/riscv/acinclude.m4
index d8b3319b08..db1a210fd4 100644
--- a/c/src/lib/libbsp/riscv/acinclude.m4
+++ b/c/src/lib/libbsp/riscv/acinclude.m4
@@ -2,6 +2,8 @@
 AC_DEFUN([RTEMS_CHECK_BSPDIR],
 [
   case "$1" in
+  griscv )
+    AC_CONFIG_SUBDIRS([griscv]);;
   riscv )
     AC_CONFIG_SUBDIRS([riscv]);;
   *)
diff --git a/c/src/lib/libbsp/riscv/griscv/Makefile.am b/c/src/lib/libbsp/riscv/griscv/Makefile.am
new file mode 100644
index 0000000000..4077ddebd2
--- /dev/null
+++ b/c/src/lib/libbsp/riscv/griscv/Makefile.am
@@ -0,0 +1,70 @@
+##
+#
+# @brief Makefile of LibBSP for the RISCV/Spike simulator.
+#
+#
+ACLOCAL_AMFLAGS = -I ../../../../aclocal
+
+include $(top_srcdir)/../../../../automake/compile.am
+include $(top_srcdir)/../../bsp.am
+
+dist_project_lib_DATA = ../../../../../../bsps/riscv/griscv/start/bsp_specs
+
+###############################################################################
+#                  Header                                                     #
+###############################################################################
+
+###############################################################################
+#                  Data                                                       #
+###############################################################################
+
+start.$(OBJEXT): ../../../../../../bsps/riscv/shared/start/start.S
+	$(CPPASCOMPILE) -o $@ -c $<
+project_lib_DATA = start.$(OBJEXT)
+
+project_lib_DATA += linkcmds
+project_lib_DATA += ../../../../../../bsps/riscv/shared/start/linkcmds.base
+
+###############################################################################
+#                  LibBSP                                                     #
+###############################################################################
+
+project_lib_LIBRARIES = librtemsbsp.a
+
+# Startup
+librtemsbsp_a_SOURCES = ../../../../../../bsps/shared/start/bspreset-empty.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/riscv/griscv/start/bspstart.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/riscv/griscv/start/bsp_fatal_halt.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/riscv/griscv/start/amba.c
+
+# Shared
+librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspfatal-default.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/getentropy/getentropy-cpucounter.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspgetworkarea-default.c
+
+# clock
+librtemsbsp_a_SOURCES +=../../../../../../bsps/riscv/griscv/clock/clockdrv.c
+
+# Timer
+librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/btimer/btimer-stub.c
+
+# IRQ
+librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/irq/irq-default-handler.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/riscv/griscv/irq/irq.c
+
+# Cache
+librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/cache/nocache.c
+
+# Console
+librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/serial/console-termios.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/riscv/griscv/console/console.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/riscv/griscv/console/printk_support.c
+
+if HAS_SMP
+librtemsbsp_a_SOURCES += ../../../../../../bsps/riscv/griscv/start/bspsmp.c
+endif
+
+include $(srcdir)/../../../../../../bsps/shared/irq-sources.am
+include $(srcdir)/../../../../../../bsps/shared/grlib-sources.am
+include $(srcdir)/../../../../../../bsps/shared/shared-sources.am
+include $(srcdir)/../../../../../../bsps/riscv/griscv/headers.am
diff --git a/c/src/lib/libbsp/riscv/griscv/configure.ac b/c/src/lib/libbsp/riscv/griscv/configure.ac
new file mode 100644
index 0000000000..ed5694c763
--- /dev/null
+++ b/c/src/lib/libbsp/riscv/griscv/configure.ac
@@ -0,0 +1,40 @@
+##
+#
+# @file
+#
+# @brief Configure script of LibBSP for riscv BSP.
+#
+
+AC_PREREQ([2.69])
+AC_INIT([rtems-c-src-lib-libbsp-riscv],[_RTEMS_VERSION],[http://www.rtems.org/bugzilla])
+RTEMS_TOP(../../../../../..)
+RTEMS_SOURCE_TOP
+RTEMS_BUILD_TOP
+
+RTEMS_CANONICAL_TARGET_CPU
+AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.12.2])
+RTEMS_BSP_CONFIGURE
+
+RTEMS_BSPOPTS_SET([BSP_CONSOLE_BAUD],[*],[115200])
+RTEMS_BSPOPTS_HELP([BSP_CONSOLE_BAUD],[default baud for console driver devices (default 115200)])
+
+RTEMS_BSPOPTS_SET([RISCV_MAXIMUM_EXTERNAL_INTERRUPTS],[*],[64])
+RTEMS_BSPOPTS_HELP([RISCV_MAXIMUM_EXTERNAL_INTERRUPTS],[maximum number of external interrupts supported by the BSP (default 64)])
+
+RTEMS_BSP_CLEANUP_OPTIONS
+
+RISCV_RAM_REGION_BEGIN_DEFAULT=0x40000000
+
+AC_DEFUN([RISCV_LINKCMD],[
+AC_ARG_VAR([$1],[$2])dnl
+[$1]=[$]{[$1]:-[$3]}
+])
+
+RISCV_LINKCMD([RISCV_RAM_REGION_BEGIN],[begin of the RAM region for linker command file (default is 0x40000000)],[${RISCV_RAM_REGION_BEGIN_DEFAULT}])
+RISCV_LINKCMD([RISCV_RAM_REGION_SIZE],[size of the RAM region for linker command file (default 16MiB)],[0x01000000])
+
+AC_CONFIG_FILES([
+Makefile
+linkcmds:../../../../../../bsps/riscv/griscv/start/linkcmds.in
+])
+AC_OUTPUT
diff --git a/c/src/lib/libbsp/riscv/riscv/Makefile.am b/c/src/lib/libbsp/riscv/riscv/Makefile.am
index b8a034ccde..34bedf844f 100644
--- a/c/src/lib/libbsp/riscv/riscv/Makefile.am
+++ b/c/src/lib/libbsp/riscv/riscv/Makefile.am
@@ -18,12 +18,12 @@ dist_project_lib_DATA = ../../../../../../bsps/riscv/riscv/start/bsp_specs
 #                  Data                                                       #
 ###############################################################################
 
-start.$(OBJEXT): ../../../../../../bsps/riscv/riscv/start/start.S
+start.$(OBJEXT): ../../../../../../bsps/riscv/shared/start/start.S
 	$(CPPASCOMPILE) -o $@ -c $<
 project_lib_DATA = start.$(OBJEXT)
 
 project_lib_DATA += linkcmds
-project_lib_DATA += ../../../../../../bsps/riscv/riscv/start/linkcmds.base
+project_lib_DATA += ../../../../../../bsps/riscv/shared/start/linkcmds.base
 
 ###############################################################################
 #                  LibBSP                                                     #