From a173ffa81d15319fe733475e88dfb521e33407a6 Mon Sep 17 00:00:00 2001
From: Angus Gratton <gus@projectgus.com>
Date: Wed, 3 Jun 2015 14:29:56 +1000
Subject: [PATCH] Remove custom entry point, pending merge of esptool.py patch
adding --entry-symbol option
---
common.mk | 5 +++--
ld/eagle.app.v6.ld | 2 +-
lib/symbols_norename.txt | 2 ++
3 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/common.mk b/common.mk
index 4c10f73..f972916 100644
--- a/common.mk
+++ b/common.mk
@@ -67,7 +67,8 @@ SDK_LIBS ?= main net80211 phy pp wpa
# open source libraries linked in
LIBS ?= gcc hal
-ENTRY_SYMBOL ?= sdk_call_user_start
+# Note: this isn't overridable without a not-yet-merged patch to esptool
+ENTRY_SYMBOL = call_user_start
CFLAGS = -Wall -Werror -Wl,-EL -nostdlib -mlongcalls -mtext-section-literals -std=gnu99
LDFLAGS = -nostdlib -Wl,--no-check-sections -Wl,-L$(BUILD_DIR)sdklib -Wl,-L$(ROOT)lib -u $(ENTRY_SYMBOL) -Wl,-static -Wl,-Map=build/${TARGET}.map
@@ -220,7 +221,7 @@ $(BUILD_DIR) $(FW_BASE) $(BUILD_DIR)sdklib:
$(FW_FILE_1) $(FW_FILE_2): $(TARGET_OUT) $(FW_BASE)
$(vecho) "FW $@"
- $(ESPTOOL) elf2image --entry-symbol $(ENTRY_SYMBOL) $< -o $(FW_BASE)
+ $(ESPTOOL) elf2image $< -o $(FW_BASE)
flash: $(FW_FILE_1) $(FW_FILE_2)
$(ESPTOOL) -p $(ESPPORT) --baud $(ESPBAUD) write_flash $(FW_1) $(FW_FILE_1) $(FW_2) $(FW_FILE_2)
diff --git a/ld/eagle.app.v6.ld b/ld/eagle.app.v6.ld
index 538a6c5..7cafba3 100644
--- a/ld/eagle.app.v6.ld
+++ b/ld/eagle.app.v6.ld
@@ -23,7 +23,7 @@ PHDRS
/* Default entry point: */
-ENTRY(sdk_call_user_start)
+ENTRY(call_user_start)
EXTERN(sdk__DebugExceptionVector)
EXTERN(sdk__DoubleExceptionVector)
EXTERN(sdk__KernelExceptionVector)
diff --git a/lib/symbols_norename.txt b/lib/symbols_norename.txt
index 766c191..2a4b315 100644
--- a/lib/symbols_norename.txt
+++ b/lib/symbols_norename.txt
@@ -1,3 +1,5 @@
+# stop-gap until esptool.py patch for configurable entry point is merged
+call_user_start
# this is a stop-gap to avoid renaming some useful libc
# symbols to sdk_xxx
puts