MicroPython: build tweaks and fixes

Author: ccattuto

advanced/micropython/port-riscv-emu.py/Makefile

@@ -68,9 +68,6 @@ INC += -I$(TOP)
 INC += -I$(BUILD)
 
 ifeq ($(CROSS), 1)
-DFU = $(TOP)/tools/dfu.py
-PYDFU = $(TOP)/tools/pydfu.py
-
 # Base RISC-V flags (bare-metal)
 CFLAGS_RISCV = -march=$(MARCH) -mabi=ilp32
 
@@ -185,11 +182,7 @@ OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
 OBJ += $(addprefix $(BUILD)/, $(SRC_S:.S=.o))
 OBJ += $(addprefix $(BUILD)/, $(SRC_CXX:.cpp=.o))
 
-ifeq ($(CROSS), 1)
-all: $(BUILD)/firmware.dfu
-else
-all: $(BUILD)/firmware.elf
-endif
+all: $(BUILD)/firmware.elf $(BUILD)/firmware.bin
 
 # Print build configuration
 $(info Building MicroPython port in MODE=$(MODE))

advanced/micropython/port-riscv-emu.py/mpconfigport.h

@@ -15,20 +15,22 @@
 #define MICROPY_PORT_MODE MODE_REPL_NEWLIB
 #endif
 
-// Use CORE_FEATURES ROM level as base, then explicitly enable what we need
-#define MICROPY_CONFIG_ROM_LEVEL (MICROPY_CONFIG_ROM_LEVEL_CORE_FEATURES)
+// Use EXTRA_FEATURES for full-featured REPL_NEWLIB, CORE_FEATURES for minimal modes
+#if (MICROPY_PORT_MODE == MODE_REPL_NEWLIB)
+    #define MICROPY_CONFIG_ROM_LEVEL (MICROPY_CONFIG_ROM_LEVEL_EXTRA_FEATURES)
+#else
+    #define MICROPY_CONFIG_ROM_LEVEL (MICROPY_CONFIG_ROM_LEVEL_CORE_FEATURES)
+#endif
 
 // Float support - disabled for HEADLESS and REPL_UART to eliminate libc dependencies
 #if (MICROPY_PORT_MODE == MODE_REPL_NEWLIB)
     #define MICROPY_PY_BUILTINS_FLOAT     (1)
     #define MICROPY_FLOAT_IMPL            (MICROPY_FLOAT_IMPL_FLOAT)
     #define MICROPY_PY_MATH               (1)
-    #define MICROPY_PY_CMATH              (0)
 #else
     #define MICROPY_PY_BUILTINS_FLOAT     (0)
     #define MICROPY_FLOAT_IMPL            (MICROPY_FLOAT_IMPL_NONE)
     #define MICROPY_PY_MATH               (0)
-    #define MICROPY_PY_CMATH              (0)
 #endif
 
 #define MICROPY_ENABLE_COMPILER     (1)
@@ -65,6 +67,7 @@
     #define MICROPY_LONGINT_IMPL          (MICROPY_LONGINT_IMPL_NONE)
 #endif
 #define MICROPY_PY_BUILTINS_COMPLEX       (0)
+#define MICROPY_PY_CMATH                  (0)
 #define MICROPY_PY_IO                     (0)  // no file system or streams
 
 // Explicitly enable modules we need (some may not be in CORE_FEATURES)
@@ -79,7 +82,6 @@
 #define MICROPY_PY_BINASCII               (1)
 #define MICROPY_PY_RE                     (1)
 #define MICROPY_PY_HEAPQ                  (1)
-#define MICROPY_PY_HASHLIB                (0)
 #define MICROPY_PY_JSON                   (1)
 #define MICROPY_PY_UCTYPES                (1)
 
@@ -89,6 +91,16 @@
 #define MICROPY_PY_MACHINE_MEMX           (1)
 #define MICROPY_PY_MACHINE_SIGNAL         (0)
 
+// Additional modules for REPL_NEWLIB mode only
+#if (MICROPY_PORT_MODE == MODE_REPL_NEWLIB)
+    // Cryptographic hashing for checksums and data integrity
+    #define MICROPY_PY_HASHLIB            (1)
+    #define MICROPY_PY_HASHLIB_SHA1       (1)
+    #define MICROPY_PY_HASHLIB_SHA256     (1)
+#else
+    #define MICROPY_PY_HASHLIB            (0)
+#endif
+
 #define MICROPY_PY_SYS                    (1)
 #define MICROPY_PY_SYS_MODULES            (1)
 #define MICROPY_PY_SYS_PLATFORM           "riscv-emu.py"