adds first version of cmake

env/CMakeLists.txt

@@ -0,0 +1,39 @@
+project(bsp_env)
+message(STATUS " here in bsp_env")
+# Enable ASM language
+enable_language(ASM)
+set(LIB_SOURCES
+    entry.S
+    start.S
+) 
+
+# Set ASM compile options
+set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -march=${RISCV_ARCH}_zicsr_zifencei -mabi=${RISCV_ABI}")
+
+
+add_library(asm_obj OBJECT ${LIB_SOURCES})
+add_subdirectory(${BOARD})
+
+
+
+
+
+
+
+# Include the ISS board configuration
+set(ISS_SOURCE_DIR "${CMAKE_SOURCE_DIR}/bare-metal-bsp/env/iss")
+set(ISS_BINARY_DIR "${CMAKE_BINARY_DIR}/iss_build")
+
+add_subdirectory(${ISS_SOURCE_DIR} ${ISS_BINARY_DIR})
+
+
+
+# Export variables for hello-world to use
+set(ENV_OBJECTS 
+    $<TARGET_OBJECTS:env_entry>
+    $<TARGET_OBJECTS:env_start>
+    PARENT_SCOPE
+)
+
+# Export board library
+set(BOARD_LIB board_iss PARENT_SCOPE)

env/common-gcc.mk

@@ -16,6 +16,7 @@ BOARD?=iss
 
 ASM_SRCS += $(ENV_DIR)/start.S $(ENV_DIR)/entry.S
 C_SRCS   += $(PLATFORM_DIR)/init.c
+C_SRCS   += $(PLATFORM_DIR)/write.c
 
 LINKER_SCRIPT ?= $(PLATFORM_DIR)/$(LINK_TARGET).lds
 
@@ -23,6 +24,7 @@ INCLUDES += -I$(BSP_BASE)/include
 INCLUDES += -I$(BSP_BASE)/drivers/
 INCLUDES += -I$(ENV_DIR)
 INCLUDES += -I$(PLATFORM_DIR)
+INCLUDES += -I$(BSP_BASE)/libwrap/sys/
 
 LDFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI)
 LDFLAGS += -L$(ENV_DIR)

env/iss/CMakeLists.txt

@@ -0,0 +1,26 @@
+# Create library for ISS board support
+add_library(board_iss STATIC
+    init.c
+    write.c
+)
+
+# Include directories
+target_include_directories(board_iss PUBLIC
+    ${BSP_BASE}/include
+    ${BSP_BASE}/env
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+# Set compile options
+target_compile_options(board_iss PRIVATE
+    -march=${RISCV_ARCH}_zicsr_zifencei
+    -mabi=${RISCV_ABI}
+    -mcmodel=medany
+    -ffunction-sections
+    -fdata-sections
+)
+
+# Add compile definitions
+target_compile_definitions(board_iss PRIVATE
+    BOARD_${BOARD}
+)