esp32: Update to latest ESP IDF.

Among other things, this requires putting bootloader object files in to
their relevant .a archive, so that they can be correctly referenced by the
ESP IDF's linker script.

ports/esp32/Makefile

@@ -21,7 +21,7 @@ FLASH_FREQ ?= 40m
 FLASH_SIZE ?= 4MB
 CROSS_COMPILE ?= xtensa-esp32-elf-
 
-ESPIDF_SUPHASH := 9a55b42f0841b3d38a61089b1dda4bf28135decd
+ESPIDF_SUPHASH := 30545f4cccec7460634b656d278782dd7151098e
 
 # paths to ESP IDF and its components
 ifeq ($(ESPIDF),)
@@ -59,6 +59,7 @@ INC += -I$(TOP)/lib/timeutils
 INC += -I$(BUILD)
 
 INC_ESPCOMP += -I$(ESPCOMP)/bootloader_support/include
+INC_ESPCOMP += -I$(ESPCOMP)/bootloader_support/include_bootloader
 INC_ESPCOMP += -I$(ESPCOMP)/driver/include
 INC_ESPCOMP += -I$(ESPCOMP)/driver/include/driver
 INC_ESPCOMP += -I$(ESPCOMP)/nghttp/port/include
@@ -67,12 +68,13 @@ INC_ESPCOMP += -I$(ESPCOMP)/esp32/include
 INC_ESPCOMP += -I$(ESPCOMP)/soc/include
 INC_ESPCOMP += -I$(ESPCOMP)/soc/esp32/include
 INC_ESPCOMP += -I$(ESPCOMP)/ethernet/include
-INC_ESPCOMP += -I$(ESPCOMP)/expat/include/expat
+INC_ESPCOMP += -I$(ESPCOMP)/expat/expat/expat/lib
 INC_ESPCOMP += -I$(ESPCOMP)/expat/port/include
 INC_ESPCOMP += -I$(ESPCOMP)/heap/include
 INC_ESPCOMP += -I$(ESPCOMP)/json/include
 INC_ESPCOMP += -I$(ESPCOMP)/json/port/include
 INC_ESPCOMP += -I$(ESPCOMP)/log/include
+INC_ESPCOMP += -I$(ESPCOMP)/newlib/platform_include
 INC_ESPCOMP += -I$(ESPCOMP)/newlib/include
 INC_ESPCOMP += -I$(ESPCOMP)/nvs_flash/include
 INC_ESPCOMP += -I$(ESPCOMP)/freertos/include
@@ -85,7 +87,6 @@ INC_ESPCOMP += -I$(ESPCOMP)/mbedtls/port/include
 INC_ESPCOMP += -I$(ESPCOMP)/spi_flash/include
 INC_ESPCOMP += -I$(ESPCOMP)/ulp/include
 INC_ESPCOMP += -I$(ESPCOMP)/vfs/include
-INC_ESPCOMP += -I$(ESPCOMP)/newlib/platform_include
 INC_ESPCOMP += -I$(ESPCOMP)/xtensa-debug-module/include
 INC_ESPCOMP += -I$(ESPCOMP)/wpa_supplicant/include
 INC_ESPCOMP += -I$(ESPCOMP)/wpa_supplicant/port/include
@@ -286,13 +287,16 @@ ESPIDF_HEAP_O = $(addprefix $(ESPCOMP)/heap/,\
 
 ESPIDF_SOC_O = $(addprefix $(ESPCOMP)/soc/,\
 	esp32/cpu_util.o \
+	esp32/gpio_periph.o \
 	esp32/rtc_clk.o \
 	esp32/rtc_init.o \
+	esp32/rtc_periph.o \
 	esp32/rtc_pm.o \
 	esp32/rtc_sleep.o \
 	esp32/rtc_time.o \
 	esp32/soc_memory_layout.o \
 	esp32/spi_periph.o \
+	src/memory_layout_utils.o \
 	)
 
 ESPIDF_CXX_O = $(addprefix $(ESPCOMP)/cxx/,\
@@ -307,16 +311,13 @@ ESPIDF_ETHERNET_O = $(addprefix $(ESPCOMP)/ethernet/,\
 	eth_phy/phy_common.o \
 	)
 
-$(BUILD)/$(ESPCOMP)/expat/%.o: CFLAGS += -Wno-unused-function
+$(BUILD)/$(ESPCOMP)/expat/%.o: CFLAGS += -DHAVE_EXPAT_CONFIG_H -DHAVE_GETRANDOM
 ESPIDF_EXPAT_O = $(addprefix $(ESPCOMP)/expat/,\
-	library/xmltok_ns.o \
+	expat/expat/lib/xmltok_ns.o \
-	library/xmltok.o \
+	expat/expat/lib/xmltok.o \
-	library/xmlparse.o \
+	expat/expat/lib/xmlparse.o \
-	library/xmlrole.o \
+	expat/expat/lib/xmlrole.o \
-	library/xmltok_impl.o \
+	expat/expat/lib/xmltok_impl.o \
-	port/minicheck.o \
-	port/expat_element.o \
-	port/chardata.o \
 	)
 
 ESPIDF_PTHREAD_O = $(addprefix $(ESPCOMP)/pthread/,\
@@ -572,6 +573,7 @@ ESPIDF_MBEDTLS_O = $(addprefix $(ESPCOMP)/mbedtls/,\
 	mbedtls/library/des.o \
 	mbedtls/library/x509write_csr.o \
 	mbedtls/library/platform.o \
+	mbedtls/library/platform_util.o \
 	mbedtls/library/ctr_drbg.o \
 	mbedtls/library/x509write_crt.o \
 	mbedtls/library/pk_wrap.o \
@@ -708,8 +710,14 @@ $(BUILD)/%.o: %.cpp
 ################################################################################
 # Declarations to build the bootloader
 
+BOOTLOADER_LIB_DIR = $(BUILD)/bootloader
+BOOTLOADER_LIB_ALL =
+
 $(BUILD)/bootloader/$(ESPCOMP)/%.o: CFLAGS += -DBOOTLOADER_BUILD=1 -I$(ESPCOMP)/bootloader_support/include_priv -I$(ESPCOMP)/bootloader_support/include -I$(ESPCOMP)/micro-ecc/micro-ecc -I$(ESPCOMP)/esp32 -Wno-error=format
-BOOTLOADER_OBJ = $(addprefix $(BUILD)/bootloader/$(ESPCOMP)/,\
+
+# libbootloader_support.a
+BOOTLOADER_LIB_ALL += bootloader_support
+BOOTLOADER_LIB_BOOTLOADER_SUPPORT_OBJ = $(addprefix $(BUILD)/bootloader/$(ESPCOMP)/,\
 	bootloader_support/src/bootloader_clock.o \
 	bootloader_support/src/bootloader_common.o \
 	bootloader_support/src/bootloader_flash.o \
@@ -724,18 +732,58 @@ BOOTLOADER_OBJ = $(addprefix $(BUILD)/bootloader/$(ESPCOMP)/,\
 	bootloader_support/src/esp_image_format.o \
 	bootloader_support/src/flash_encrypt.o \
 	bootloader_support/src/flash_partitions.o \
+	)
+$(BOOTLOADER_LIB_DIR)/libbootloader_support.a: $(BOOTLOADER_LIB_BOOTLOADER_SUPPORT_OBJ)
+	$(ECHO) "AR $@"
+	$(Q)$(AR) cr $@ $^
+
+# liblog.a
+BOOTLOADER_LIB_ALL += log
+BOOTLOADER_LIB_LOG_OBJ = $(addprefix $(BUILD)/bootloader/$(ESPCOMP)/,\
 	log/log.o \
+	)
+$(BOOTLOADER_LIB_DIR)/liblog.a: $(BOOTLOADER_LIB_LOG_OBJ)
+	$(ECHO) "AR $@"
+	$(Q)$(AR) cr $@ $^
+
+# libspi_flash.a
+BOOTLOADER_LIB_ALL += spi_flash
+BOOTLOADER_LIB_SPI_FLASH_OBJ = $(addprefix $(BUILD)/bootloader/$(ESPCOMP)/,\
 	spi_flash/spi_flash_rom_patch.o \
+	)
+$(BOOTLOADER_LIB_DIR)/libspi_flash.a: $(BOOTLOADER_LIB_SPI_FLASH_OBJ)
+	$(ECHO) "AR $@"
+	$(Q)$(AR) cr $@ $^
+
+# libmicro-ecc.a
+BOOTLOADER_LIB_ALL += micro-ecc
+BOOTLOADER_LIB_MICRO_ECC_OBJ = $(addprefix $(BUILD)/bootloader/$(ESPCOMP)/,\
+	micro-ecc/micro-ecc/uECC.o \
+	)
+$(BOOTLOADER_LIB_DIR)/libmicro-ecc.a: $(BOOTLOADER_LIB_MICRO_ECC_OBJ)
+	$(ECHO) "AR $@"
+	$(Q)$(AR) cr $@ $^
+
+# remaining object files
+BOOTLOADER_OBJ = $(addprefix $(BUILD)/bootloader/$(ESPCOMP)/,\
 	soc/esp32/rtc_clk.o \
 	soc/esp32/rtc_time.o \
 	soc/esp32/cpu_util.o \
-	micro-ecc/micro-ecc/uECC.o \
 	bootloader/subproject/main/bootloader_start.o \
 	)
 
+# all objects files
+BOOTLOADER_OBJ_ALL = \
+	$(BOOTLOADER_LIB_BOOTLOADER_SUPPORT_OBJ) \
+	$(BOOTLOADER_LIB_LOG_OBJ) \
+	$(BOOTLOADER_LIB_SPI_FLASH_OBJ) \
+	$(BOOTLOADER_LIB_MICRO_ECC_OBJ) \
+	$(BOOTLOADER_OBJ)
+
 BOOTLOADER_LIBS =
 BOOTLOADER_LIBS += -Wl,--start-group
 BOOTLOADER_LIBS += $(BOOTLOADER_OBJ)
+BOOTLOADER_LIBS += -L$(BUILD)/bootloader $(addprefix -l,$(BOOTLOADER_LIB_ALL))
 BOOTLOADER_LIBS += -L$(ESPCOMP)/esp32/lib -lrtc
 BOOTLOADER_LIBS += -L$(dir $(LIBGCC_FILE_NAME)) -lgcc
 BOOTLOADER_LIBS += -Wl,--end-group
@@ -755,8 +803,8 @@ BOOTLOADER_LDFLAGS += -T $(ESPCOMP)/esp32/ld/esp32.rom.ld
 BOOTLOADER_LDFLAGS += -T $(ESPCOMP)/esp32/ld/esp32.rom.spiram_incompatible_fns.ld
 BOOTLOADER_LDFLAGS += -T $(ESPCOMP)/esp32/ld/esp32.peripherals.ld
 
-BOOTLOADER_OBJ_DIRS = $(sort $(dir $(BOOTLOADER_OBJ)))
+BOOTLOADER_OBJ_DIRS = $(sort $(dir $(BOOTLOADER_OBJ_ALL)))
-$(BOOTLOADER_OBJ): | $(BOOTLOADER_OBJ_DIRS)
+$(BOOTLOADER_OBJ_ALL): | $(BOOTLOADER_OBJ_DIRS)
 $(BOOTLOADER_OBJ_DIRS):
 	$(MKDIR) -p $@
 
@@ -767,7 +815,7 @@ $(BUILD)/bootloader.bin: $(BUILD)/bootloader.elf
 	$(ECHO) "Create $@"
 	$(Q)$(ESPTOOL) --chip esp32 elf2image --flash_mode $(FLASH_MODE) --flash_freq $(FLASH_FREQ) --flash_size $(FLASH_SIZE) $<
 
-$(BUILD)/bootloader.elf: $(BOOTLOADER_OBJ)
+$(BUILD)/bootloader.elf: $(BOOTLOADER_OBJ) $(addprefix $(BOOTLOADER_LIB_DIR)/lib,$(addsuffix .a,$(BOOTLOADER_LIB_ALL)))
 	$(ECHO) "LINK $@"
 	$(Q)$(CC) $(BOOTLOADER_LDFLAGS) -o $@ $(BOOTLOADER_LIBS)
 

ports/esp32/esp32.custom_common.ld

@@ -52,6 +52,7 @@ SECTIONS
   /* Send .iram0 code to iram */
   .iram0.vectors :
   {
+    _iram_start = ABSOLUTE(.);
     /* Vectors go to IRAM */
     _init_start = ABSOLUTE(.);
     /* Vectors according to builds/RF-2015.2-win32/esp108_v1_2_s5_512int_2/config.html */
@@ -85,10 +86,6 @@ SECTIONS
     *(.init.literal)
     *(.init)
     _init_end = ABSOLUTE(.);
-
-    /* This goes here, not at top of linker script, so addr2line finds it last,
-       and uses it in preference to the first symbol in IRAM */
-    _iram_start = ABSOLUTE(0);
   } > iram0_0_seg
 
   .iram0.text :
@@ -104,7 +101,8 @@ SECTIONS
     *app_trace/*(.literal .text .literal.* .text.*)
     *xtensa-debug-module/eri.o(.literal .text .literal.* .text.*)
     *librtc.a:(.literal .text .literal.* .text.*)
-    *soc/esp32/*(.literal .text .literal.* .text.*)
+    *soc/esp32/rtc_*.o(.literal .text .literal.* .text.*)
+    *soc/esp32/cpu_util.o(.literal .text .literal.* .text.*)
     *libhal.a:(.literal .text .literal.* .text.*)
     *libgcc.a:lib2funcs.o(.literal .text .literal.* .text.*)
     *spi_flash/spi_flash_rom_patch.o(.literal .text .literal.* .text.*)
@@ -112,11 +110,20 @@ SECTIONS
     INCLUDE esp32.spiram.rom-functions-iram.ld
     *py/scheduler.o*(.literal .text .literal.* .text.*)
     _iram_text_end = ABSOLUTE(.);
+    _iram_end = ABSOLUTE(.);
   } > iram0_0_seg
 
   .dram0.data :
   {
     _data_start = ABSOLUTE(.);
+    _bt_data_start = ABSOLUTE(.);
+    *libbt.a:(.data .data.*)
+    . = ALIGN (4);
+    _bt_data_end = ABSOLUTE(.);
+    _btdm_data_start = ABSOLUTE(.);
+    *libbtdm_app.a:(.data .data.*)
+    . = ALIGN (4);
+    _btdm_data_end = ABSOLUTE(.);
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -160,6 +167,14 @@ SECTIONS
   {
     . = ALIGN (8);
     _bss_start = ABSOLUTE(.);
+    _bt_bss_start = ABSOLUTE(.);
+    *libbt.a:(.bss .bss.* COMMON)
+    . = ALIGN (4);
+    _bt_bss_end = ABSOLUTE(.);
+    _btdm_bss_start = ABSOLUTE(.);
+    *libbtdm_app.a:(.bss .bss.* COMMON)
+    . = ALIGN (4);
+    _btdm_bss_end = ABSOLUTE(.);
     *(.dynsbss)
     *(.sbss)
     *(.sbss.*)
@@ -216,6 +231,11 @@ SECTIONS
     *(.xt_except_desc_end)
     *(.dynamic)
     *(.gnu.version_d)
+    /* Addresses of memory regions reserved via
+       SOC_RESERVE_MEMORY_REGION() */
+    soc_reserved_memory_region_start = ABSOLUTE(.);
+    KEEP (*(.reserved_memory_address))
+    soc_reserved_memory_region_end = ABSOLUTE(.);
     _rodata_end = ABSOLUTE(.);
     /* Literals are also RO data. */
     _lit4_start = ABSOLUTE(.);

ports/esp32/sdkconfig.h

@@ -105,6 +105,7 @@
 #define CONFIG_OPTIMIZATION_LEVEL_DEBUG 1
 #define CONFIG_MEMMAP_SMP 1
 
+#define CONFIG_PARTITION_TABLE_OFFSET 0x8000
 #define CONFIG_PARTITION_TABLE_SINGLE_APP 1
 #define CONFIG_PARTITION_TABLE_FILENAME "partitions_singleapp.csv"
 #define CONFIG_PARTITION_TABLE_CUSTOM_APP_BIN_OFFSET 0x10000