riscv: Add new BSP cfg variants to be built with llvm/clang

bsps/riscv/riscv/config/rv32i_clang.cfg

@@ -0,0 +1,14 @@
+include $(RTEMS_ROOT)/make/custom/default.cfg
+
+RTEMS_CPU = riscv
+
+CPU_CFLAGS = -march=rv32i -mabi=ilp32
+
+# Clang-related flags
+CPU_CFLAGS += -target riscv32-unknown-rtems6 --sysroot=$(NEWLIB_SYSROOT)
+
+LDFLAGS = -Wl,--gc-sections -L$(RTEMS_BSP_LIBBSP_PATH) -L$(PROJECT_LIB) -L$(RTEMS_BSP_ARCH_LINKCMDS_PATH)
+
+# Clang-related flags
+
+CFLAGS_OPTIMIZE_V ?= -O0 -g -ffunction-sections -fdata-sections

bsps/riscv/riscv/config/rv32iac_clang.cfg

@@ -0,0 +1,14 @@
+include $(RTEMS_ROOT)/make/custom/default.cfg
+
+RTEMS_CPU = riscv
+
+CPU_CFLAGS = -march=rv32iac -mabi=ilp32
+
+# Clang-related flags
+CPU_CFLAGS += -target riscv32-unknown-rtems6 --sysroot=$(NEWLIB_SYSROOT)
+
+LDFLAGS = -Wl,--gc-sections -L$(RTEMS_BSP_LIBBSP_PATH) -L$(PROJECT_LIB) -L$(RTEMS_BSP_ARCH_LINKCMDS_PATH)
+
+# Clang-related flags
+
+CFLAGS_OPTIMIZE_V ?= -O0 -g -ffunction-sections -fdata-sections

bsps/riscv/riscv/config/rv32im_clang.cfg

@@ -0,0 +1,14 @@
+include $(RTEMS_ROOT)/make/custom/default.cfg
+
+RTEMS_CPU = riscv
+
+CPU_CFLAGS = -march=rv32im -mabi=ilp32
+
+# Clang-related flags
+CPU_CFLAGS += -target riscv32-unknown-rtems6 --sysroot=$(NEWLIB_SYSROOT)
+
+LDFLAGS = -Wl,--gc-sections -L$(RTEMS_BSP_LIBBSP_PATH) -L$(PROJECT_LIB) -L$(RTEMS_BSP_ARCH_LINKCMDS_PATH)
+
+# Clang-related flags
+
+CFLAGS_OPTIMIZE_V ?= -O0 -g -ffunction-sections -fdata-sections

bsps/riscv/riscv/config/rv32imac_clang.cfg

@@ -0,0 +1,14 @@
+include $(RTEMS_ROOT)/make/custom/default.cfg
+
+RTEMS_CPU = riscv
+
+CPU_CFLAGS = -march=rv32imac -mabi=ilp32
+
+# Clang-related flags
+CPU_CFLAGS += -target riscv32-unknown-rtems6 --sysroot=$(NEWLIB_SYSROOT)
+
+LDFLAGS = -Wl,--gc-sections -L$(RTEMS_BSP_LIBBSP_PATH) -L$(PROJECT_LIB) -L$(RTEMS_BSP_ARCH_LINKCMDS_PATH)
+
+# Clang-related flags
+
+CFLAGS_OPTIMIZE_V ?= -O0 -g -ffunction-sections -fdata-sections

bsps/riscv/riscv/config/rv32imafc_clang.cfg

@@ -0,0 +1,14 @@
+include $(RTEMS_ROOT)/make/custom/default.cfg
+
+RTEMS_CPU = riscv
+
+CPU_CFLAGS = -march=rv32imafc -mabi=ilp32d
+
+# Clang-related flags
+CPU_CFLAGS += -target riscv32-unknown-rtems6 --sysroot=$(NEWLIB_SYSROOT)
+
+LDFLAGS = -Wl,--gc-sections -L$(RTEMS_BSP_LIBBSP_PATH) -L$(PROJECT_LIB) -L$(RTEMS_BSP_ARCH_LINKCMDS_PATH)
+
+# Clang-related flags
+
+CFLAGS_OPTIMIZE_V ?= -O0 -g -ffunction-sections -fdata-sections

bsps/riscv/riscv/config/rv32imafd_clang.cfg

@@ -0,0 +1,14 @@
+include $(RTEMS_ROOT)/make/custom/default.cfg
+
+RTEMS_CPU = riscv
+
+CPU_CFLAGS = -march=rv32imafd -mabi=ilp32d
+
+# Clang-related flags
+CPU_CFLAGS += -target riscv32-unknown-rtems6 --sysroot=$(NEWLIB_SYSROOT)
+
+LDFLAGS = -Wl,--gc-sections -L$(RTEMS_BSP_LIBBSP_PATH) -L$(PROJECT_LIB) -L$(RTEMS_BSP_ARCH_LINKCMDS_PATH)
+
+# Clang-related flags
+
+CFLAGS_OPTIMIZE_V ?= -O0 -g -ffunction-sections -fdata-sections

bsps/riscv/riscv/config/rv32imafdc_clang.cfg

@@ -0,0 +1,14 @@
+include $(RTEMS_ROOT)/make/custom/default.cfg
+
+RTEMS_CPU = riscv
+
+CPU_CFLAGS = -march=rv32imafdc -mabi=ilp32d
+
+# Clang-related flags
+CPU_CFLAGS += -target riscv32-unknown-rtems6 --sysroot=$(NEWLIB_SYSROOT)
+
+LDFLAGS = -Wl,--gc-sections -L$(RTEMS_BSP_LIBBSP_PATH) -L$(PROJECT_LIB) -L$(RTEMS_BSP_ARCH_LINKCMDS_PATH)
+
+# Clang-related flags
+
+CFLAGS_OPTIMIZE_V ?= -O0 -g -ffunction-sections -fdata-sections

bsps/riscv/riscv/config/rv64imafdc_clang.cfg

@@ -0,0 +1,14 @@
+include $(RTEMS_ROOT)/make/custom/default.cfg
+
+RTEMS_CPU = riscv
+
+CPU_CFLAGS = -march=rv64imafdc -mabi=lp64d
+
+# Clang-related flags
+CPU_CFLAGS += -target riscv64-unknown-rtems6 --sysroot=$(NEWLIB_SYSROOT)
+
+LDFLAGS = -Wl,--gc-sections -L$(RTEMS_BSP_LIBBSP_PATH) -L$(PROJECT_LIB) -L$(RTEMS_BSP_ARCH_LINKCMDS_PATH)
+
+# Clang-related flags
+
+CFLAGS_OPTIMIZE_V ?= -O0 -g -ffunction-sections -fdata-sections