From 5a85dae22a6bf1483ac01574598fc9ce256d1d8d Mon Sep 17 00:00:00 2001
From: Thorsten von Eicken
Date: Tue, 12 May 2015 22:11:07 -0700
Subject: [PATCH] moved espfs at end of irom0 resulting in single flash chunk
---
Makefile | 41 ++++++++++--------
...cross-eyed-cat.jpg => cross-eyed-cat.jpg-} | Bin
...en-loves-toy.jpg => kitten-loves-toy.jpg-} | Bin
html/index.tpl | 4 +-
user/cgiflash.c | 10 +++--
user/user_main.c | 9 +++-
6 files changed, 39 insertions(+), 25 deletions(-)
rename html/cats/{cross-eyed-cat.jpg => cross-eyed-cat.jpg-} (100%)
rename html/cats/{kitten-loves-toy.jpg => kitten-loves-toy.jpg-} (100%)
diff --git a/Makefile b/Makefile
index 7b591ff..9e88b41 100644
--- a/Makefile
+++ b/Makefile
@@ -27,10 +27,6 @@ YUI-COMPRESSOR ?= /usr/bin/yui-compressor
#any support in the browser.
USE_HEATSHRINK ?= yes
-#Position and maximum length of espfs in flash memory
-ESPFS_POS = 0x12000
-ESPFS_SIZE = 0x2E000
-
# -------------- End of esphttpd config options -------------
@@ -80,7 +76,7 @@ CFLAGS = -Os -ggdb -std=c99 -Werror -Wpointer-arith -Wundef -Wall -Wl,-EL -fno-
LDFLAGS = -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static
# linker script used for the above linkier step
-LD_SCRIPT = eagle.app.v6.ld
+LD_SCRIPT := eagle.esphttpd.v6.ld
# various paths from the SDK used in this project
SDK_LIBDIR = lib
@@ -91,6 +87,8 @@ SDK_INCDIR = include include/json
CC := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-gcc
AR := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-ar
LD := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-gcc
+OBJCP := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-objcopy
+OBJDP := $(XTENSA_TOOLS_ROOT)xtensa-lx106-elf-objdump
####
@@ -100,15 +98,17 @@ SRC_DIR := $(MODULES)
BUILD_DIR := $(addprefix $(BUILD_BASE)/,$(MODULES))
SDK_LIBDIR := $(addprefix $(SDK_BASE)/,$(SDK_LIBDIR))
+SDK_LDDIR := $(addprefix $(SDK_BASE)/,$(SDK_LDDIR))
SDK_INCDIR := $(addprefix -I$(SDK_BASE)/,$(SDK_INCDIR))
SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c))
-OBJ := $(patsubst %.c,$(BUILD_BASE)/%.o,$(SRC))
+OBJ := $(patsubst %.c,$(BUILD_BASE)/%.o,$(SRC)) $(BUILD_BASE)/espfs_img.o
LIBS := $(addprefix -l,$(LIBS))
APP_AR := $(addprefix $(BUILD_BASE)/,$(TARGET)_app.a)
TARGET_OUT := $(addprefix $(BUILD_BASE)/,$(TARGET).out)
-LD_SCRIPT := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT))
+#LD_SCRIPT := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT))
+LD_SCRIPT := -Tbuild/$(LD_SCRIPT)
INCDIR := $(addprefix -I,$(SRC_DIR))
EXTRA_INCDIR := $(addprefix -I,$(EXTRA_INCDIR))
@@ -143,9 +143,10 @@ endef
all: checkdirs $(TARGET_OUT) $(FW_BASE)
-$(TARGET_OUT): $(APP_AR)
+$(TARGET_OUT): $(APP_AR) build/eagle.esphttpd.v6.ld
$(vecho) "LD $@"
$(Q) $(LD) -L$(SDK_LIBDIR) $(LD_SCRIPT) $(LDFLAGS) -Wl,--start-group $(LIBS) $(APP_AR) -Wl,--end-group -o $@
+ $(Q) $(OBJDP) -x $(TARGET_OUT) | egrep espfs_img
$(FW_BASE): $(TARGET_OUT)
$(vecho) "FW $@"
@@ -165,7 +166,7 @@ $(BUILD_DIR):
flash: $(TARGET_OUT) $(FW_BASE)
$(Q) $(ESPTOOL) --port $(ESPPORT) --baud $(ESPBAUD) write_flash 0x00000 $(FW_BASE)/0x00000.bin 0x40000 $(FW_BASE)/0x40000.bin
-webpages.espfs: html/ html/wifi/ espfs/mkespfsimage/mkespfsimage
+$(BUILD_BASE)/espfs_img.o: html/ html/wifi/ espfs/mkespfsimage/mkespfsimage
ifeq ("$(COMPRESS_W_YUI)","yes")
$(Q) rm -rf html_compressed;
$(Q) cp -r html html_compressed;
@@ -173,13 +174,21 @@ ifeq ("$(COMPRESS_W_YUI)","yes")
$(Q) for file in `find html_compressed -type f -name "*.js"`; do $(YUI-COMPRESSOR) --type js $$file -o $$file; done
$(Q) for file in `find html_compressed -type f -name "*.css"`; do $(YUI-COMPRESSOR) --type css $$file -o $$file; done
$(Q) awk "BEGIN {printf \"YUI compression ratio was: %.2f%%\\n\", (`du -b -s html_compressed/ | sed 's/\([0-9]*\).*/\1/'`/`du -b -s html/ | sed 's/\([0-9]*\).*/\1/'`)*100}"
-
-# mkespfsimage will compress html, css and js files with gzip by default if enabled
-# override with -g cmdline parameter
- $(Q) cd html_compressed; find | ../espfs/mkespfsimage/mkespfsimage > ../webpages.espfs; cd ..;
+ # mkespfsimage will compress html, css and js files with gzip by default if enabled
+ # override with -g cmdline parameter
+ $(Q) cd html_compressed; find | ../espfs/mkespfsimage/mkespfsimage > ../build/espfs.img; cd ..;
else
- $(Q) cd html; find | ../espfs/mkespfsimage/mkespfsimage > ../webpages.espfs; cd ..
+ $(Q) cd html; find . \! -name \*- | ../espfs/mkespfsimage/mkespfsimage > ../build/espfs.img; cd ..
endif
+ $(Q) cd build; $(OBJCP) -I binary -O elf32-xtensa-le -B xtensa --rename-section .data=.espfs \
+ espfs.img espfs_img.o; cd ..
+
+# edit the loader script to add the espfs section to the end of irom with a 4KB alignment to
+# allow the section to be reflashed at runtime, if you run tight in space you could change the
+# alignment to 4 and forego the reflash capability
+build/eagle.esphttpd.v6.ld: $(SDK_LDDIR)/eagle.app.v6.ld
+ sed -e '/\.irom\.text/{' -e 'a . = ALIGN (4096);' -e 'a *(.espfs)' -e '}' \
+ $(SDK_LDDIR)/eagle.app.v6.ld >$@
blankflash:
$(Q) $(ESPTOOL) --port $(ESPPORT) --baud $(ESPBAUD) write_flash 0x7E000 $(SDK_BASE)/bin/blank.bin
@@ -187,10 +196,6 @@ blankflash:
espfs/mkespfsimage/mkespfsimage: espfs/mkespfsimage/
$(Q) $(MAKE) -C espfs/mkespfsimage USE_HEATSHRINK="$(USE_HEATSHRINK)" GZIP_COMPRESSION="$(GZIP_COMPRESSION)"
-htmlflash: webpages.espfs
- $(Q) if [ $$(stat -c '%s' webpages.espfs) -gt $$(( $(ESPFS_SIZE) )) ]; then echo "webpages.espfs too big!"; false; fi
- $(Q) $(ESPTOOL) --port $(ESPPORT) --baud $(ESPBAUD) write_flash $(ESPFS_POS) webpages.espfs
-
clean:
$(Q) rm -f $(APP_AR)
$(Q) rm -f $(TARGET_OUT)
diff --git a/html/cats/cross-eyed-cat.jpg b/html/cats/cross-eyed-cat.jpg-
similarity index 100%
rename from html/cats/cross-eyed-cat.jpg
rename to html/cats/cross-eyed-cat.jpg-
diff --git a/html/cats/kitten-loves-toy.jpg b/html/cats/kitten-loves-toy.jpg-
similarity index 100%
rename from html/cats/kitten-loves-toy.jpg
rename to html/cats/kitten-loves-toy.jpg-
diff --git a/html/index.tpl b/html/index.tpl
index 4310cb3..2f9b18e 100644
--- a/html/index.tpl
+++ b/html/index.tpl
@@ -17,9 +17,9 @@ been loaded %counter% times.
And because we're on the Internets now, here are the required pictures of cats:
-
+
-
+