Bootloader preparations

firmware/Makefile

@@ -58,6 +58,10 @@ ifeq ($(USE_SMART_BUILD),)
   USE_SMART_BUILD = no
 endif
 
+ifeq ($(USE_BOOTLOADER),)
+  USE_BOOTLOADER = no
+endif
+
 #
 # Build global options
 ##############################################################################
@@ -137,6 +141,10 @@ include $(PROJECT_DIR)/controllers/system/system.mk
 include $(PROJECT_DIR)/controllers/trigger/trigger.mk
 include $(PROJECT_DIR)/console/console.mk
 
+ifeq ($(USE_BOOTLOADER),yes)
+include $(PROJECT_DIR)/bootloader/bootloader.mk
+endif
+
 # Define linker script file here
 ifeq ($(LDSCRIPT),)
   LDSCRIPT= config/stm32f4ems/STM32F407xG_CCM.ld
@@ -151,6 +159,7 @@ CSRC = $(STARTUPSRC) \
 	$(HALSRC) \
 	$(PLATFORMSRC) \
 	$(BOARDSRC) \
+	$(BOOTLOADERSRC) \
 	$(CHIBIOS)/os/various/syscalls.c \
 	$(CHIBIOS)/os/hal/lib/streams/memstreams.c \
 	$(CHIBIOS)/os/hal/lib/streams/chprintf.c \
@@ -222,6 +231,7 @@ INCDIR = $(PORTINC) \
 	$(HALINC) \
 	$(PLATFORMINC) \
 	$(BOARDINC) \
+	$(BOOTLOADERINC) \
 	$(CHCPPINC) \
 	$(CHIBIOS)/os/hal/lib/streams \
 	$(CHIBIOS)/os/various \

firmware/config/stm32f4ems/STM32F407xG_CCM_bootloader.ld

@@ -0,0 +1,64 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/*
+ * STM32F407xG memory setup.
+ * Note: Use of ram1 and ram2 is mutually exclusive with use of ram0.
+ */
+MEMORY
+{
+    bl    : org = 0x08000000, len = 16k
+    flash : org = 0x08008000, len = 864k
+    ram0  : org = 0x20000000, len = 128k    /* SRAM1 + SRAM2 */
+    ram1  : org = 0x20000000, len = 112k    /* SRAM1 */
+    ram2  : org = 0x2001C000, len = 16k     /* SRAM2 */
+    ram3  : org = 0x00000000, len = 0
+    ram4  : org = 0x10000000, len = 64k     /* CCM SRAM */
+    ram5  : org = 0x40024000, len = 4k      /* BCKP SRAM */
+    ram6  : org = 0x00000000, len = 0
+    ram7  : org = 0x00000000, len = 0
+}
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+   of all exceptions and interrupts*/
+REGION_ALIAS("MAIN_STACK_RAM", ram0);
+
+/* RAM region to be used for the process stack. This is the stack used by
+   the main() function.*/
+REGION_ALIAS("PROCESS_STACK_RAM", ram0);
+
+/* RAM region to be used for data segment.*/
+REGION_ALIAS("DATA_RAM", ram0);
+
+/* RAM region to be used for BSS segment.*/
+REGION_ALIAS("BSS_RAM", ram0);
+
+/* RAM region to be used for the default heap.*/
+REGION_ALIAS("HEAP_RAM", ram0);
+
+/* Bootloader section */
+SECTIONS
+{
+.bl : ALIGN(4)
+    {
+        . = ALIGN(4);
+        *(.bl)
+        *(.bl.*)
+        . = ALIGN(4);
+    } > bl AT > bl
+}
+
+INCLUDE rules.ld

firmware/rusefi.cpp

@@ -119,6 +119,10 @@
 #include "engine_emulator.h"
 #endif /* EFI_ENGINE_EMULATOR */
 
+#if defined(EFI_BOOTLOADER_INCLUDE_CODE) || defined(__DOXYGEN__)
+#include "bootloader/bootloader.h"
+#endif /* EFI_BOOTLOADER_INCLUDE_CODE */
+
 LoggingWithStorage sharedLogger("main");
 
 bool main_loop_started = false;
@@ -251,5 +255,10 @@ int getRusEfiVersion(void) {
 		return 123; // this is here to make the compiler happy about the unused array
 	if (UNUSED_CCM_SIZE[0] * 0 != 0)
 		return 3211; // this is here to make the compiler happy about the unused array
+#if defined(EFI_BOOTLOADER_INCLUDE_CODE) || defined(__DOXYGEN__)
+	// make bootloader code happy too
+	if (initBootloader() != 0)
+		return 123;
+#endif /* EFI_BOOTLOADER_INCLUDE_CODE */
 	return 20170529;
 }