switch to RV32E

software/sys_controller_bsp/Makefile

@@ -112,10 +112,10 @@ SOPC_FILE := ../../sys.sopcinfo
 #-------------------------------------------------------------------------------
 
 # Archiver command. Creates library files. 
-AR = riscv64-unknown-elf-ar
+AR = riscv32-unknown-elf-ar
 
 # Assembler command. Note that CC is used for .S files. 
-AS = riscv64-unknown-elf-gcc
+AS = riscv32-unknown-elf-gcc
 
 # Custom flags only passed to the archiver. This content of this variable is 
 # directly passed to the archiver rather than the more standard "ARFLAGS". The 
@@ -139,10 +139,10 @@ BSP_CFLAGS_OPTIMIZATION = -Os
 BSP_CFLAGS_WARNINGS = -Wall
 
 # C compiler command. 
-CC = riscv64-unknown-elf-gcc -xc
+CC = riscv32-unknown-elf-gcc -xc
 
 # C++ compiler command. 
-CXX = riscv64-unknown-elf-gcc -xc++
+CXX = riscv32-unknown-elf-gcc -xc++
 
 # Command used to remove files during 'clean' target. 
 RM = rm -f

software/sys_controller_bsp/public.mk

@@ -259,7 +259,7 @@ ALT_CPPFLAGS += -DSMALL_C_LIB
 # or common. none 
 # setting hal.make.cflags_mgpopt is -mgpopt=global
 #ALT_CFLAGS += -mgpopt=global
-ALT_CFLAGS += -march=rv32imc -mabi=ilp32
+ALT_CFLAGS += -march=rv32emc -mabi=ilp32e
 
 # Enable BSP generation to query if SOPC system is big endian. If true ignores 
 # export of 'ALT_CFLAGS += -meb' to public.mk if big endian system. none