Stop using our own memcpy. Enhance decode backtrace script.

Author: tannewt

ports/espressif/Makefile

@@ -290,7 +290,6 @@ LDFLAGS += \
 	-Tesp32c6.rom.net80211.ld \
 	-Tesp32c6.rom.libc.ld \
 	-Tesp32c6.rom.newlib.ld \
-	-Tesp32c6.rom.spiflash.ld \
 	-Tesp32c6.rom.coexist.ld \
 	-Tesp32c6.rom.heap.ld \
 	-Tesp32c6.rom.systimer.ld \

ports/espressif/esp-idf-config/sdkconfig-debug.defaults

@@ -7,6 +7,21 @@
 CONFIG_COMPILER_OPTIMIZATION_SIZE=y
 # end of Compiler options
 
+# Bootloader config
+#
+#
+# Log
+#
+#
+# Format
+#
+CONFIG_BOOTLOADER_LOG_COLORS=y
+# end of Format
+
+# end of Log
+
+# end of Bootloader config
+
 #
 # Component config
 #
@@ -19,6 +34,17 @@ CONFIG_ESP_CONSOLE_SECONDARY_NONE=y
 # CONFIG_ESP_CONSOLE_SECONDARY_USB_SERIAL_JTAG is not set
 # end of ESP System Settings
 
+#
+# Log
+#
+#
+# Format
+#
+CONFIG_LOG_COLORS=y
+# end of Format
+
+# end of Log
+
 # end of Component config
 
 # end of Espressif IoT Development Framework Configuration

ports/espressif/esp-idf-config/sdkconfig.defaults

@@ -65,6 +65,13 @@ CONFIG_ESP_MAIN_TASK_STACK_SIZE=16384
 CONFIG_FREERTOS_HZ=1000
 # end of Kernel
 
+#
+# LibC
+#
+# end of LWIP
+CONFIG_LIBC_OPTIMIZED_MISALIGNED_ACCESS=y
+# end of LibC
+
 #
 # LWIP
 #

ports/espressif/tools/decode_backtrace.py

@@ -12,20 +12,39 @@
 board = sys.argv[1]
 print(board)
 
+elfs = [
+    f"build-{board}/firmware.elf",
+    "/home/tannewt/Downloads/esp-rom-elfs-20241011/esp32c6_rev0_rom.elf",
+]
+
 while True:
+    print('"Backtrace:" or "Stack memory:". CTRL-D to finish multiline paste')
     addresses = input("? ")
     if addresses.startswith("Backtrace:"):
         addresses = addresses[len("Backtrace:") :]
+        addresses = addresses.strip().split()
+        addresses = [address.split(":")[0] for address in addresses]
     if addresses.startswith("Stack memory:"):
-        addresses = addresses[len("Stack memory:") :]
-    addresses = addresses.strip().split()
-    addresses = [address.split(":")[0] for address in addresses]
+        addresses = []
+        extra_lines = sys.stdin.readlines()
+        for line in extra_lines:
+            if not line.strip():
+                continue
+            addresses.extend(line.split(":")[1].strip().split())
     for address in addresses:
-        result = subprocess.run(
-            ["xtensa-esp32s2-elf-addr2line", "-aipfe", "build-{}/firmware.elf".format(board)]
-            + [address],
-            capture_output=True,
-        )
-        stdout = result.stdout.decode("utf-8")
-        if "?? ??" not in stdout:
-            print(stdout.strip())
+        if address == "0xa5a5a5a5":
+            # Skip stack fill value.
+            continue
+        for elf in elfs:
+            result = subprocess.run(
+                ["riscv32-esp-elf-addr2line", "-aipfe", elf, address],
+                capture_output=True,
+            )
+            stdout = result.stdout.decode("utf-8")
+            if not stdout:
+                continue
+            if "?? ??" not in stdout:
+                print(stdout.strip())
+                break
+
+    print("loop")

py/circuitpy_defns.mk

@@ -992,7 +992,6 @@ endif
 
 # Sources used in all ports except unix.
 SRC_CIRCUITPY_COMMON = \
-	shared/libc/string0.c \
 	shared/readline/readline.c \
 	lib/oofatfs/ff.c \
 	lib/oofatfs/ffunicode.c \