add travis integration

By the information provided by Espressif, this version contains fix
for the KRACK vulnerability.

More info: https://github.com/pfalcon/esp-open-sdk/issues/296

.gitmodules

@@ -1,14 +1,14 @@
 [submodule "crosstool-NG"]
 	path = crosstool-NG
 	url = https://github.com/jcmvbkbc/crosstool-NG
-	branch = lx106-g++
+	branch = xtensa-1.22.x
 [submodule "lx106-hal"]
 	path = lx106-hal
 	url = https://github.com/tommie/lx106-hal
 [submodule "esptool"]
 	path = esptool
-	url = https://github.com/pfalcon/esptool
+	url = https://github.com/themadinventor/esptool
 [submodule "esp-open-lwip"]
 	path = esp-open-lwip
 	url = https://github.com/pfalcon/esp-open-lwip
-	branch = sdk-1.5.0
+	branch = sdk-1.5.0-experimental

.travis.yml

@@ -0,0 +1,48 @@
+dist: trusty
+language: bash
+cache:
+  directories:
+  - "${HOME}/persist"
+addons:
+  apt:
+    packages:
+    - make
+    - unrar-free
+    - autoconf
+    - automake
+    - libtool
+    - gcc
+    - g++
+    - gperf
+    - flex
+    - bison
+    - texinfo
+    - gawk
+    - ncurses-dev
+    - libexpat-dev
+    - python-dev
+    - python
+    - python-serial
+    - sed
+    - git
+    - unzip
+    - bash
+    - help2man
+    - wget
+    - bzip2
+script:
+- make toolchain
+- ls -l xtensa-lx106-elf/bin/
+- make STANDALONE=y
+after_success:
+- mkdir -p dist
+- tar cavf dist/xtensa-lx106-elf-standalone.tar.gz xtensa-lx106-elf
+deploy:
+  provider: releases
+  api_key:
+    secure: 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
+  file: dist/xtensa-lx106-elf-standalone.tar.gz
+  skip_cleanup: true
+  on:
+    repo: jepler/esp-open-sdk
+    tags: true

1000-mforce-l32.patch

@@ -0,0 +1,253 @@
+https://github.com/jcmvbkbc/gcc-xtensa/commit/6b0c9f92fb8e11c6be098febb4f502f6af37cd35.patch
+
+From 6b0c9f92fb8e11c6be098febb4f502f6af37cd35 Mon Sep 17 00:00:00 2001
+From: Max Filippov <jcmvbkbc@gmail.com>
+Date: Thu, 11 Jun 2015 17:56:57 +0300
+Subject: [PATCH] WIP: xtensa: add -mforce-l32
+
+Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
+---
+ gcc/config/xtensa/constraints.md | 15 ++++++++++++
+ gcc/config/xtensa/xtensa.c       | 53 +++++++++++++++++++++++++++++++++++++++-
+ gcc/config/xtensa/xtensa.md      | 49 ++++++++++++++++++++-----------------
+ gcc/config/xtensa/xtensa.opt     |  4 +++
+ 4 files changed, 98 insertions(+), 23 deletions(-)
+
+diff --git a/gcc/config/xtensa/constraints.md b/gcc/config/xtensa/constraints.md
+index 30f4c1f..5fd9337 100644
+--- a/gcc/config/xtensa/constraints.md
++++ b/gcc/config/xtensa/constraints.md
+@@ -137,3 +137,18 @@
+       (and (match_code "reg")
+ 	   (match_test "reload_in_progress
+ 			&& REGNO (op) >= FIRST_PSEUDO_REGISTER"))))
++
++(define_constraint "Y"
++ "Memory that is not in a literal pool."
++ (ior (and (and (match_code "mem")
++		(match_test "! constantpool_mem_p (op)"))
++           (match_test "!TARGET_FORCE_L32"))
++      (and (match_code "reg")
++	   (match_test "reload_in_progress
++			&& REGNO (op) >= FIRST_PSEUDO_REGISTER"))))
++
++(define_constraint "Z"
++ "Memory that is not in a literal pool."
++ (and (and (match_code "mem")
++	   (match_test "! constantpool_mem_p (op)"))
++      (match_test "TARGET_FORCE_L32")))
+diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
+index d8c5b41..559b181 100644
+--- a/gcc/config/xtensa/xtensa.c
++++ b/gcc/config/xtensa/xtensa.c
+@@ -1824,7 +1824,8 @@ xtensa_legitimate_address_p (machine_mode mode, rtx addr, bool strict)
+     return true;
+ 
+   /* Check for "register + offset" addressing.  */
+-  if (GET_CODE (addr) == PLUS)
++  if (GET_CODE (addr) == PLUS &&
++      (!TARGET_FORCE_L32 || (mode != HImode && mode != QImode)))
+     {
+       rtx xplus0 = XEXP (addr, 0);
+       rtx xplus1 = XEXP (addr, 1);
+@@ -2308,6 +2309,8 @@ printx (FILE *file, signed int val)
+     fprintf (file, "0x%x", val);
+ }
+ 
++static void
++output_address_base (FILE *file, rtx addr);
+ 
+ void
+ print_operand (FILE *file, rtx x, int letter)
+@@ -2317,6 +2320,13 @@ print_operand (FILE *file, rtx x, int letter)
+ 
+   switch (letter)
+     {
++    case 'B':
++      if (GET_CODE (x) == MEM)
++	output_address_base (file, XEXP (x, 0));
++      else
++	output_operand_lossage ("invalid %%B value");
++      break;
++
+     case 'D':
+       if (GET_CODE (x) == REG || GET_CODE (x) == SUBREG)
+ 	fprintf (file, "%s", reg_names[xt_true_regnum (x) + 1]);
+@@ -2450,6 +2460,47 @@ print_operand (FILE *file, rtx x, int letter)
+     }
+ }
+ 
++static void
++output_address_base (FILE *file, rtx addr)
++{
++  switch (GET_CODE (addr))
++    {
++    default:
++      fatal_insn ("invalid address", addr);
++      break;
++
++    case REG:
++      fprintf (file, "%s", reg_names [REGNO (addr)]);
++      break;
++
++    case PLUS:
++      {
++	rtx reg = (rtx)0;
++	rtx offset = (rtx)0;
++	rtx arg0 = XEXP (addr, 0);
++	rtx arg1 = XEXP (addr, 1);
++
++	if (GET_CODE (arg0) == REG)
++	  {
++	    reg = arg0;
++	    offset = arg1;
++	  }
++	else if (GET_CODE (arg1) == REG)
++	  {
++	    reg = arg1;
++	    offset = arg0;
++	  }
++	else
++	  fatal_insn ("no register in address", addr);
++
++	if (CONSTANT_P (offset))
++	  fprintf (file, "%s", reg_names [REGNO (reg)]);
++	else
++	  fatal_insn ("address offset not a constant", addr);
++      }
++      break;
++    }
++}
+ 
+ /* A C compound statement to output to stdio stream STREAM the
+    assembler syntax for an instruction operand that is a memory
+diff --git a/gcc/config/xtensa/xtensa.md b/gcc/config/xtensa/xtensa.md
+index a577aa3..f56c45e 100644
+--- a/gcc/config/xtensa/xtensa.md
++++ b/gcc/config/xtensa/xtensa.md
+@@ -532,26 +532,28 @@
+ ;; Zero-extend instructions.
+ 
+ (define_insn "zero_extendhisi2"
+-  [(set (match_operand:SI 0 "register_operand" "=a,a")
+-	(zero_extend:SI (match_operand:HI 1 "nonimmed_operand" "r,U")))]
++  [(set (match_operand:SI 0 "register_operand" "=a,a,a")
++	(zero_extend:SI (match_operand:HI 1 "nonimmed_operand" "r,Y,Z")))]
+   ""
+   "@
+    extui\t%0, %1, 0, 16
+-   l16ui\t%0, %1"
+-  [(set_attr "type"	"arith,load")
++   l16ui\t%0, %1
++   ssa8l\t%B1 ; srli\t%0, %B1, 2 ; slli\t%0, %0, 2 ; l32i\t%0, %0, 0 ; srl\t%0, %0 ; extui\t%0, %0, 0, 16"
++  [(set_attr "type"	"arith,load,load")
+    (set_attr "mode"	"SI")
+-   (set_attr "length"	"3,3")])
++   (set_attr "length"	"3,3,18")])
+ 
+ (define_insn "zero_extendqisi2"
+-  [(set (match_operand:SI 0 "register_operand" "=a,a")
+-	(zero_extend:SI (match_operand:QI 1 "nonimmed_operand" "r,U")))]
++  [(set (match_operand:SI 0 "register_operand" "=a,a,a")
++	(zero_extend:SI (match_operand:QI 1 "nonimmed_operand" "r,Y,Z")))]
+   ""
+   "@
+    extui\t%0, %1, 0, 8
+-   l8ui\t%0, %1"
+-  [(set_attr "type"	"arith,load")
++   l8ui\t%0, %1
++   ssa8l\t%B1 ; srli\t%0, %B1, 2 ; slli\t%0, %0, 2 ; l32i\t%0, %0, 0 ; srl\t%0, %0 ; extui\t%0, %0, 0, 8"
++  [(set_attr "type"	"arith,load,load")
+    (set_attr "mode"	"SI")
+-   (set_attr "length"	"3,3")])
++   (set_attr "length"	"3,3,18")])
+ 
+ 
+ ;; Sign-extend instructions.
+@@ -569,15 +571,16 @@
+ })
+ 
+ (define_insn "extendhisi2_internal"
+-  [(set (match_operand:SI 0 "register_operand" "=B,a")
+-	(sign_extend:SI (match_operand:HI 1 "sext_operand" "r,U")))]
++  [(set (match_operand:SI 0 "register_operand" "=B,a,a")
++	(sign_extend:SI (match_operand:HI 1 "sext_operand" "r,r,Y")))]
+   ""
+   "@
+    sext\t%0, %1, 15
++   slli\t%0, %1, 16 ; srai\t%0, %0, 16
+    l16si\t%0, %1"
+-  [(set_attr "type"	"arith,load")
++  [(set_attr "type"	"arith,arith,load")
+    (set_attr "mode"	"SI")
+-   (set_attr "length"	"3,3")])
++   (set_attr "length"	"3,6,3")])
+ 
+ (define_expand "extendqisi2"
+   [(set (match_operand:SI 0 "register_operand" "")
+@@ -796,8 +799,8 @@
+ })
+ 
+ (define_insn "movhi_internal"
+-  [(set (match_operand:HI 0 "nonimmed_operand" "=D,D,a,a,a,U,*a,*A")
+-	(match_operand:HI 1 "move_operand" "M,d,r,I,U,r,*A,*r"))]
++  [(set (match_operand:HI 0 "nonimmed_operand" "=D,D,a,a,a,a,U,*a,*A")
++	(match_operand:HI 1 "move_operand" "M,d,r,I,Y,Z,r,*A,*r"))]
+   "xtensa_valid_move (HImode, operands)"
+   "@
+    movi.n\t%0, %x1
+@@ -805,12 +808,13 @@
+    mov\t%0, %1
+    movi\t%0, %x1
+    %v1l16ui\t%0, %1
++   ssa8l\t%B1 ; srli\t%0, %B1, 2 ; slli\t%0, %0, 2 ; %v1l32i\t%0, %0, 0 ; srl\t%0, %0 ; extui\t%0, %0, 0, 16
+    %v0s16i\t%1, %0
+    rsr\t%0, ACCLO
+    wsr\t%1, ACCLO"
+-  [(set_attr "type"	"move,move,move,move,load,store,rsr,wsr")
++  [(set_attr "type"	"move,move,move,move,load,load,store,rsr,wsr")
+    (set_attr "mode"	"HI")
+-   (set_attr "length"	"2,2,3,3,3,3,3,3")])
++   (set_attr "length"	"2,2,3,3,3,18,3,3,3")])
+ 
+ ;; 8-bit Integer moves
+ 
+@@ -824,8 +828,8 @@
+ })
+ 
+ (define_insn "movqi_internal"
+-  [(set (match_operand:QI 0 "nonimmed_operand" "=D,D,a,a,a,U,*a,*A")
+-	(match_operand:QI 1 "move_operand" "M,d,r,I,U,r,*A,*r"))]
++  [(set (match_operand:QI 0 "nonimmed_operand" "=D,D,a,a,a,a,U,*a,*A")
++	(match_operand:QI 1 "move_operand" "M,d,r,I,Y,Z,r,*A,*r"))]
+   "xtensa_valid_move (QImode, operands)"
+   "@
+    movi.n\t%0, %x1
+@@ -833,12 +837,13 @@
+    mov\t%0, %1
+    movi\t%0, %x1
+    %v1l8ui\t%0, %1
++   ssa8l\t%B1 ; srli\t%0, %B1, 2 ; slli\t%0, %0, 2 ; %v1l32i\t%0, %0, 0 ; srl\t%0, %0 ; extui\t%0, %0, 0, 8
+    %v0s8i\t%1, %0
+    rsr\t%0, ACCLO
+    wsr\t%1, ACCLO"
+-  [(set_attr "type"	"move,move,move,move,load,store,rsr,wsr")
++  [(set_attr "type"	"move,move,move,move,load,load,store,rsr,wsr")
+    (set_attr "mode"	"QI")
+-   (set_attr "length"	"2,2,3,3,3,3,3,3")])
++   (set_attr "length"	"2,2,3,3,3,18,3,3,3")])
+ 
+ ;; Sub-word reloads from the constant pool.
+ 
+diff --git a/gcc/config/xtensa/xtensa.opt b/gcc/config/xtensa/xtensa.opt
+index 2fd6cee..02020d2 100644
+--- a/gcc/config/xtensa/xtensa.opt
++++ b/gcc/config/xtensa/xtensa.opt
+@@ -41,3 +41,7 @@ Intersperse literal pools with code in the text section
+ mserialize-volatile
+ Target Report Mask(SERIALIZE_VOLATILE)
+ -mno-serialize-volatile	Do not serialize volatile memory references with MEMW instructions
++
++mforce-l32
++Target Report Mask(FORCE_L32)
++Use l32i to access 1- and 2-byte quantities in memory instead of l8ui/l16ui

Makefile

@@ -10,18 +10,28 @@ TOOLCHAIN = $(TOP)/xtensa-lx106-elf
 
 # Vendor SDK version to install, see VENDOR_SDK_ZIP_* vars below
 # for supported versions.
-VENDOR_SDK = 1.5.2
+VENDOR_SDK = 2.1.0-18-g61248df
 
 .PHONY: crosstool-NG toolchain libhal libcirom sdk
 
 
 
 TOP = $(PWD)
+SHELL = /bin/bash
 PATCH = patch -b -N
 UNZIP = unzip -q -o
 VENDOR_SDK_ZIP = $(VENDOR_SDK_ZIP_$(VENDOR_SDK))
 VENDOR_SDK_DIR = $(VENDOR_SDK_DIR_$(VENDOR_SDK))
 
+VENDOR_SDK_DIR_2.1.0-18-g61248df = ESP8266_NONOS_SDK-2.1.0-18-g61248df
+VENDOR_SDK_ZIP_2.1.0 = ESP8266_NONOS_SDK-2.1.0.zip
+VENDOR_SDK_DIR_2.1.0 = ESP8266_NONOS_SDK-2.1.0
+VENDOR_SDK_ZIP_2.0.0 = ESP8266_NONOS_SDK_V2.0.0_16_08_10.zip
+VENDOR_SDK_DIR_2.0.0 = ESP8266_NONOS_SDK_V2.0.0_16_08_10
+VENDOR_SDK_ZIP_1.5.4 = ESP8266_NONOS_SDK_V1.5.4_16_05_20.zip
+VENDOR_SDK_DIR_1.5.4 = ESP8266_NONOS_SDK_V1.5.4_16_05_20
+VENDOR_SDK_ZIP_1.5.3 = ESP8266_NONOS_SDK_V1.5.3_16_04_18.zip
+VENDOR_SDK_DIR_1.5.3 = ESP8266_NONOS_SDK_V1.5.3_16_04_18/ESP8266_NONOS_SDK
 VENDOR_SDK_ZIP_1.5.2 = ESP8266_NONOS_SDK_V1.5.2_16_01_29.zip
 VENDOR_SDK_DIR_1.5.2 = esp_iot_sdk_v1.5.2
 VENDOR_SDK_ZIP_1.5.1 = ESP8266_NONOS_SDK_V1.5.1_16_01_08.zip
@@ -93,10 +103,21 @@ ifeq ($(STANDALONE),y)
 endif
 
 clean: clean-sdk
-	make -C crosstool-NG clean MAKELEVEL=0
+	$(MAKE) -C crosstool-NG clean MAKELEVEL=0
 	-rm -rf crosstool-NG/.build/src
+	-rm -f crosstool-NG/local-patches/gcc/4.8.5/1000-*
 	-rm -rf $(TOOLCHAIN)
 
+clean-sdk:
+	rm -rf $(VENDOR_SDK_DIR)
+	rm -f sdk
+	rm -f .sdk_patch_$(VENDOR_SDK)
+	rm -f user_rf_cal_sector_set.o empty_user_rf_pre_init.o
+	$(MAKE) -C esp-open-lwip -f Makefile.open clean
+
+clean-sysroot:
+	rm -rf $(TOOLCHAIN)/xtensa-lx106-elf/sysroot/usr/lib/*
+	rm -rf $(TOOLCHAIN)/xtensa-lx106-elf/sysroot/usr/include/*
 
 
 esptool: toolchain
@@ -105,7 +126,8 @@ esptool: toolchain
 toolchain: $(TOOLCHAIN)/bin/xtensa-lx106-elf-gcc
 
 $(TOOLCHAIN)/bin/xtensa-lx106-elf-gcc: crosstool-NG/ct-ng
-	make -C crosstool-NG -f ../Makefile _toolchain
+	cp -f 1000-mforce-l32.patch crosstool-NG/local-patches/gcc/4.8.5/
+	$(MAKE) -C crosstool-NG -f ../Makefile _toolchain
 
 _toolchain:
 	./ct-ng xtensa-lx106-elf
@@ -114,20 +136,17 @@ _toolchain:
 	cat ../crosstool-config-overrides >> .config
 	./ct-ng build
 
-clean-sysroot:
-	rm -rf $(TOOLCHAIN)/xtensa-lx106-elf/sysroot/usr/lib/*
-	rm -rf $(TOOLCHAIN)/xtensa-lx106-elf/sysroot/usr/include/*
 
 crosstool-NG: crosstool-NG/ct-ng
 
 crosstool-NG/ct-ng: crosstool-NG/bootstrap
-	make -C crosstool-NG -f ../Makefile _ct-ng
+	$(MAKE) -C crosstool-NG -f ../Makefile _ct-ng
 
 _ct-ng:
 	./bootstrap
 	./configure --prefix=`pwd`
-	make MAKELEVEL=0
+	$(MAKE) MAKELEVEL=0
-	make install MAKELEVEL=0
+	$(MAKE) install MAKELEVEL=0
 
 crosstool-NG/bootstrap:
 	@echo "You cloned without --recursive, fetching submodules for you."
@@ -143,13 +162,13 @@ $(TOOLCHAIN)/xtensa-lx106-elf/sysroot/lib/libcirom.a: $(TOOLCHAIN)/xtensa-lx106-
 libhal: $(TOOLCHAIN)/xtensa-lx106-elf/sysroot/usr/lib/libhal.a
 
 $(TOOLCHAIN)/xtensa-lx106-elf/sysroot/usr/lib/libhal.a: $(TOOLCHAIN)/bin/xtensa-lx106-elf-gcc
-	make -C lx106-hal -f ../Makefile _libhal
+	$(MAKE) -C lx106-hal -f ../Makefile _libhal
 
 _libhal:
 	autoreconf -i
-	PATH=$(TOOLCHAIN)/bin:$(PATH) ./configure --host=xtensa-lx106-elf --prefix=$(TOOLCHAIN)/xtensa-lx106-elf/sysroot/usr
+	PATH="$(TOOLCHAIN)/bin:$(PATH)" ./configure --host=xtensa-lx106-elf --prefix=$(TOOLCHAIN)/xtensa-lx106-elf/sysroot/usr
-	PATH=$(TOOLCHAIN)/bin:$(PATH) make
+	PATH="$(TOOLCHAIN)/bin:$(PATH)" $(MAKE)
-	PATH=$(TOOLCHAIN)/bin:$(PATH) make install
+	PATH="$(TOOLCHAIN)/bin:$(PATH)" $(MAKE) install
 
 
 
@@ -161,10 +180,62 @@ $(VENDOR_SDK_DIR)/.dir: $(VENDOR_SDK_ZIP)
 	-mv License $(VENDOR_SDK_DIR)
 	touch $@
 
+$(VENDOR_SDK_DIR_2.1.0-18-g61248df)/.dir:
+	echo $(VENDOR_SDK_DIR_2.1.0-18-g61248df)
+	git clone https://github.com/espressif/ESP8266_NONOS_SDK $(VENDOR_SDK_DIR_2.1.0-18-g61248df)
+	(cd $(VENDOR_SDK_DIR_2.1.0-18-g61248df); git checkout 61248df5f6)
+	touch $@
+
+$(VENDOR_SDK_DIR_2.1.0)/.dir: $(VENDOR_SDK_ZIP_2.1.0)
+	$(UNZIP) $^
+	touch $@
+
+$(VENDOR_SDK_DIR_2.0.0)/.dir: $(VENDOR_SDK_ZIP_2.0.0)
+	$(UNZIP) $^
+	mv ESP8266_NONOS_SDK $(VENDOR_SDK_DIR_2.0.0)
+	-mv License $(VENDOR_SDK_DIR)
+	touch $@
+
+$(VENDOR_SDK_DIR_1.5.4)/.dir: $(VENDOR_SDK_ZIP_1.5.4)
+	$(UNZIP) $^
+	mv ESP8266_NONOS_SDK $(VENDOR_SDK_DIR_1.5.4)
+	-mv License $(VENDOR_SDK_DIR)
+	touch $@
+
 sdk_patch: $(VENDOR_SDK_DIR)/.dir .sdk_patch_$(VENDOR_SDK)
 
-.sdk_patch_1.5.2:
+.sdk_patch_2.1.0-18-g61248df .sdk_patch_2.1.0: user_rf_cal_sector_set.o
+	echo -e "#undef ESP_SDK_VERSION\n#define ESP_SDK_VERSION 020100" >>$(VENDOR_SDK_DIR)/include/esp_sdk_ver.h
+	$(PATCH) -d $(VENDOR_SDK_DIR) -p1 < c_types-c99_sdk_2.patch
+	cd $(VENDOR_SDK_DIR)/lib; mkdir -p tmp; cd tmp; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar x ../libcrypto.a; cd ..; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar rs libwpa.a tmp/*.o
+	$(TOOLCHAIN)/bin/xtensa-lx106-elf-ar r $(VENDOR_SDK_DIR)/lib/libmain.a user_rf_cal_sector_set.o
+	@touch $@
+
+.sdk_patch_2.0.0: ESP8266_NONOS_SDK_V2.0.0_patch_16_08_09.zip user_rf_cal_sector_set.o
+	echo -e "#undef ESP_SDK_VERSION\n#define ESP_SDK_VERSION 020000" >>$(VENDOR_SDK_DIR)/include/esp_sdk_ver.h
+	$(UNZIP) ESP8266_NONOS_SDK_V2.0.0_patch_16_08_09.zip
+	mv libmain.a libnet80211.a libpp.a $(VENDOR_SDK_DIR_2.0.0)/lib/
+	$(PATCH) -d $(VENDOR_SDK_DIR) -p1 < c_types-c99_sdk_2.patch
+	cd $(VENDOR_SDK_DIR)/lib; mkdir -p tmp; cd tmp; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar x ../libcrypto.a; cd ..; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar rs libwpa.a tmp/*.o
+	$(TOOLCHAIN)/bin/xtensa-lx106-elf-ar r $(VENDOR_SDK_DIR)/lib/libmain.a user_rf_cal_sector_set.o
+	@touch $@
+
+.sdk_patch_1.5.4:
+	echo -e "#undef ESP_SDK_VERSION\n#define ESP_SDK_VERSION 010504" >>$(VENDOR_SDK_DIR)/include/esp_sdk_ver.h
+	$(PATCH) -d $(VENDOR_SDK_DIR) -p1 < c_types-c99.patch
+	cd $(VENDOR_SDK_DIR)/lib; mkdir -p tmp; cd tmp; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar x ../libcrypto.a; cd ..; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar rs libwpa.a tmp/*.o
+	@touch $@
+
+.sdk_patch_1.5.3:
+	echo -e "#undef ESP_SDK_VERSION\n#define ESP_SDK_VERSION 010503" >>$(VENDOR_SDK_DIR)/include/esp_sdk_ver.h
+	$(PATCH) -d $(VENDOR_SDK_DIR) -p1 < c_types-c99.patch
+	cd $(VENDOR_SDK_DIR)/lib; mkdir -p tmp; cd tmp; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar x ../libcrypto.a; cd ..; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar rs libwpa.a tmp/*.o
+	@touch $@
+
+.sdk_patch_1.5.2: Patch01_for_ESP8266_NONOS_SDK_V1.5.2.zip
 	echo -e "#undef ESP_SDK_VERSION\n#define ESP_SDK_VERSION 010502" >>$(VENDOR_SDK_DIR)/include/esp_sdk_ver.h
+	$(UNZIP) Patch01_for_ESP8266_NONOS_SDK_V1.5.2.zip
+	mv libssl.a libnet80211.a libmain.a $(VENDOR_SDK_DIR_1.5.2)/lib/
 	$(PATCH) -d $(VENDOR_SDK_DIR) -p1 < c_types-c99.patch
 	cd $(VENDOR_SDK_DIR)/lib; mkdir -p tmp; cd tmp; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar x ../libcrypto.a; cd ..; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar rs libwpa.a tmp/*.o
 	@touch $@
@@ -276,14 +347,36 @@ sdk_patch: $(VENDOR_SDK_DIR)/.dir .sdk_patch_$(VENDOR_SDK)
 	cp FRM_ERR_PATCH/*.a $(VENDOR_SDK_DIR)/lib/
 	@touch $@
 
-empty_user_rf_pre_init.o: empty_user_rf_pre_init.c $(TOOLCHAIN)/bin/xtensa-lx106-elf-gcc
+empty_user_rf_pre_init.o: empty_user_rf_pre_init.c $(TOOLCHAIN)/bin/xtensa-lx106-elf-gcc $(VENDOR_SDK_DIR)/.dir
-	$(TOOLCHAIN)/bin/xtensa-lx106-elf-gcc -O2 -c $<
+	$(TOOLCHAIN)/bin/xtensa-lx106-elf-gcc -O2 -I$(VENDOR_SDK_DIR)/include -c $<
+
+user_rf_cal_sector_set.o: user_rf_cal_sector_set.c $(TOOLCHAIN)/bin/xtensa-lx106-elf-gcc $(VENDOR_SDK_DIR)/.dir
+	$(TOOLCHAIN)/bin/xtensa-lx106-elf-gcc -O2 -I$(VENDOR_SDK_DIR)/include -c $<
 
 lwip: toolchain sdk_patch
-	make -C esp-open-lwip -f Makefile.open install \
+ifeq ($(STANDALONE),y)
+	$(MAKE) -C esp-open-lwip -f Makefile.open install \
 	    CC=$(TOOLCHAIN)/bin/xtensa-lx106-elf-gcc \
+	    AR=$(TOOLCHAIN)/bin/xtensa-lx106-elf-ar \
 	    PREFIX=$(TOOLCHAIN)
+	cp -a esp-open-lwip/include/arch esp-open-lwip/include/lwip esp-open-lwip/include/netif \
+	    esp-open-lwip/include/lwipopts.h \
+	    $(TOOLCHAIN)/xtensa-lx106-elf/sysroot/usr/include/
+endif
 
+
+ESP8266_NONOS_SDK-2.1.0.zip:
+	wget --content-disposition "https://github.com/espressif/ESP8266_NONOS_SDK/archive/v2.1.0.zip"
+# The only change wrt to ESP8266_NONOS_SDK_V2.0.0_16_07_19.zip is licensing blurb in source/
+# header files. Libs are the same (and patch is required just the same).
+ESP8266_NONOS_SDK_V2.0.0_16_08_10.zip:
+	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=1690"
+ESP8266_NONOS_SDK_V2.0.0_16_07_19.zip:
+	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=1613"
+ESP8266_NONOS_SDK_V1.5.4_16_05_20.zip:
+	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=1469"
+ESP8266_NONOS_SDK_V1.5.3_16_04_18.zip:
+	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=1361"
 ESP8266_NONOS_SDK_V1.5.2_16_01_29.zip:
 	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=1079"
 ESP8266_NONOS_SDK_V1.5.1_16_01_08.zip:
@@ -347,17 +440,7 @@ libsmartconfig_2.4.2.zip:
 	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=585"
 lib_mem_optimize_150714.zip:
 	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=594"
-
+Patch01_for_ESP8266_NONOS_SDK_V1.5.2.zip:
-clean-sdk:
+	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=1168"
-	rm -rf $(VENDOR_SDK_DIR)
+ESP8266_NONOS_SDK_V2.0.0_patch_16_08_09.zip:
-	rm -f sdk
+	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=1654"
-	rm -f .sdk_patch_$(VENDOR_SDK)
-	make -C esp-open-lwip -f Makefile.open clean
-
-
-
-
-
-
-
-

README.md

@@ -36,7 +36,7 @@ Requirements and Dependencies
 
 To build the standalone SDK and toolchain, you need a GNU/POSIX system
 (Linux, BSD, MacOSX, Windows with Cygwin) with the standard GNU development
-tools installed: gcc, binutils, flex, bison, etc.
+tools installed: bash, gcc, binutils, flex, bison, etc.
 
 Please make sure that the machine you use to build the toolchain has at least
 1G free RAM+swap (or more, which will speed up the build).
@@ -45,9 +45,9 @@ Please make sure that the machine you use to build the toolchain has at least
 
 Ubuntu 14.04:
 ```
-$ sudo apt-get install make unrar autoconf automake libtool gcc g++ gperf \
+$ sudo apt-get install make unrar-free autoconf automake libtool gcc g++ gperf \
-    flex bison texinfo gawk ncurses-dev libexpat-dev python python-serial sed \
+    flex bison texinfo gawk ncurses-dev libexpat-dev python-dev python python-serial \
-    git unzip
+    sed git unzip bash help2man wget bzip2
 ```
 
 Later Debian/Ubuntu versions may require:
@@ -58,7 +58,7 @@ $ sudo apt-get install libtool-bin
 ## MacOS:
 ```bash
 $ brew tap homebrew/dupes
-$ brew install binutils coreutils automake wget gawk libtool gperf gnu-sed --with-default-names grep
+$ brew install binutils coreutils automake wget gawk libtool help2man gperf gnu-sed --with-default-names grep
 $ export PATH="/usr/local/opt/gnu-sed/libexec/gnubin:$PATH"
 ```
 
@@ -139,6 +139,11 @@ $ xtensa-lx106-elf-gcc -I$(THISDIR)/sdk/include -L$(THISDIR)/sdk/lib
 
 The extra -I and -L flags are not needed when using the standalone SDK.
 
+Subdirectory `examples/` contains some example application(s) which
+can be built with esp-open-sdk. If you are interested in real-world,
+full-fledged, advanced example of a project built using esp-open-sdk,
+check https://github.com/micropython/micropython/tree/master/ports/esp8266.
+
 Pulling updates
 ===============
 The project is updated from time to time, to get updates and prepare to
@@ -148,7 +153,7 @@ build a new SDK, run:
 $ make clean
 $ git pull
 $ git submodule sync
-$ git submodule update
+$ git submodule update --init
 ```
 
 If you don't issue `make clean` (which causes toolchain and SDK to be

c_types-c99_sdk_2.patch

@@ -0,0 +1,45 @@
+This patch fixes vendor SDK header "c_types.h" for C99 compatibility.
+
+--- ESP8266_NONOS_SDK_V2.0.0_16_07_19/include/c_types.h.orig	2016-07-18 07:16:07.000000000 -0700
++++ ESP8266_NONOS_SDK_V2.0.0_16_07_19/include/c_types.h	2016-07-26 21:45:18.904657700 -0700
+@@ -6,17 +6,19 @@
+ #ifndef _C_TYPES_H_
+ #define _C_TYPES_H_
+ 
+-typedef unsigned char       uint8_t;
++#include <stdint.h>
++#include <stdbool.h>
++//typedef unsigned char       uint8_t;
+ typedef signed char         sint8_t;
+-typedef signed char         int8_t;
+-typedef unsigned short      uint16_t;
++//typedef signed char         int8_t;
++//typedef unsigned short      uint16_t;
+ typedef signed short        sint16_t;
+-typedef signed short        int16_t;
+-typedef unsigned int        uint32_t;
++//typedef signed short        int16_t;
++//typedef unsigned int        uint32_t;
+ typedef signed long         sint32_t;
+-typedef signed int          int32_t;
++//typedef signed int          int32_t;
+ typedef signed long long    sint64_t;
+-typedef unsigned long long  uint64_t;
++//typedef unsigned long long  uint64_t;
+ typedef unsigned long long  u_int64_t;
+ typedef float               real32_t;
+ typedef double              real64_t;
+@@ -82,10 +84,10 @@
+ #define STORE_ATTR __attribute__((aligned(4)))
+ 
+ #ifndef __cplusplus
+-typedef unsigned char   bool;
++//typedef unsigned char   bool;
+ #define BOOL            bool
+-#define true            (1)
+-#define false           (0)
++//#define true            (1)
++//#define false           (0)
+ #define TRUE            true
+ #define FALSE           false
+ 

crosstool-NG

@@ -1 +1 @@
-Subproject commit feb1fb829d5cb4f8739e488cbd2f0b72304705bb
+Subproject commit 37b07f6fbea2e5d23434f7e91614528f839db056

esp-open-lwip

@@ -1 +1 @@
-Subproject commit 5bd20afa6869b682001250e2a95c261390f1098d
+Subproject commit 8c39d2179a273553466043f388772abb6251a4ca

esptool

@@ -1 +1 @@
-Subproject commit aafef9cebe1b196368567d6c3dd1fe896222a35f
+Subproject commit 9dfcb350e1a91bb4641f725fc6c2f126791013ce

examples/blinky/Makefile

@@ -1,6 +1,6 @@
 CC = xtensa-lx106-elf-gcc
 CFLAGS = -I. -mlongcalls
-LDLIBS = -nostdlib -Wl,--start-group -lmain -lnet80211 -lwpa -llwip -lpp -lphy -Wl,--end-group -lgcc
+LDLIBS = -nostdlib -Wl,--start-group -lmain -lnet80211 -lwpa -llwip -lpp -lphy -lc -Wl,--end-group -lgcc
 LDFLAGS = -Teagle.app.v6.ld
 
 blinky-0x00000.bin: blinky
@@ -11,7 +11,7 @@ blinky: blinky.o
 blinky.o: blinky.c
 
 flash: blinky-0x00000.bin
-	esptool.py write_flash 0 blinky-0x00000.bin 0x40000 blinky-0x40000.bin
+	esptool.py write_flash 0 blinky-0x00000.bin 0x10000 blinky-0x10000.bin
 
 clean:
-	rm -f blinky blinky.o blinky-0x00000.bin blinky-0x400000.bin
+	rm -f blinky blinky.o blinky-0x00000.bin blinky-0x10000.bin

examples/blinky/blinky.c

@@ -3,7 +3,9 @@
 #include "gpio.h"
 #include "os_type.h"
 
-static const int pin = 1;
+// ESP-12 modules have LED on GPIO2. Change to another GPIO
+// for other boards.
+static const int pin = 2;
 static volatile os_timer_t some_timer;
 
 void some_timerfunc(void *arg)
@@ -23,7 +25,7 @@ void some_timerfunc(void *arg)
 
 void ICACHE_FLASH_ATTR user_init()
 {
-  // init gpio sussytem
+  // init gpio subsytem
   gpio_init();
 
   // configure UART TXD to be GPIO1, set as output

user_rf_cal_sector_set.c

@@ -0,0 +1,11 @@
+#include <c_types.h>
+#include <spi_flash.h>
+
+uint32 user_rf_cal_sector_set(void) {
+    extern char flashchip;
+    SpiFlashChip *flash = (SpiFlashChip*)(&flashchip + 4);
+    // We know that sector size in 4096
+    //uint32_t sec_num = flash->chip_size / flash->sector_size;
+    uint32_t sec_num = flash->chip_size >> 12;
+    return sec_num - 5;
+}