From bd09013abad9b307324c11a2067dd97e15b81634 Mon Sep 17 00:00:00 2001
From: Solomon Peachy <pizza@shaftnet.org>
Date: Sat, 3 Aug 2013 22:23:59 -0400
Subject: [PATCH] stm32f4:  Builds and links!

---
 inc/stm32f4xx_hw.h   | 14 ++++++++++++++
 libs/stm32f4xx.ld.in |  1 +
 libs/stm32f4xx.mk    | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/build.mk         |  6 +++---
 4 files changed, 60 insertions(+), 3 deletions(-)
 create mode 100644 inc/stm32f4xx_hw.h
 create mode 120000 libs/stm32f4xx.ld.in
 create mode 100644 libs/stm32f4xx.mk

diff --git a/inc/stm32f4xx_hw.h b/inc/stm32f4xx_hw.h
new file mode 100644
index 0000000..3a72a2e
--- /dev/null
+++ b/inc/stm32f4xx_hw.h
@@ -0,0 +1,14 @@
+#ifndef __STM32F4XX_HW_H
+#define __STM32F4XX_HW_H
+
+/* Configuration */
+#define MCU_SRAM_SIZE               (256*1024)
+#define MCU_SRAM_BASE               (0x20000000)
+#define MCU_EXTSRAM_SIZE            (0)
+#define MCU_EXTSRAM_BASE            (0x68000000)
+#define MCU_FLASH_BASE              (0x08000000)
+#define MCU_FLASH_SIZE              (2048*1024)
+#define MCU_FLASH_PAGE_SIZE         2048
+#define MCU_FLASH_IMAGE_SIZE        (2046*1024)
+
+#endif
diff --git a/libs/stm32f4xx.ld.in b/libs/stm32f4xx.ld.in
new file mode 120000
index 0000000..fa64894
--- /dev/null
+++ b/libs/stm32f4xx.ld.in
@@ -0,0 +1 @@
+stm32f10x.ld.in
\ No newline at end of file
diff --git a/libs/stm32f4xx.mk b/libs/stm32f4xx.mk
new file mode 100644
index 0000000..7eeb45a
--- /dev/null
+++ b/libs/stm32f4xx.mk
@@ -0,0 +1,42 @@
+# The processor!
+MCU_CORE=cm4
+# Set up include paths
+MCU_INCLUDE += -I$(LIBDIR)/CMSIS/Include
+MCU_INCLUDE += -I$(LIBDIR)/CMSIS/Device/ST/STM32F4xx/Include
+MCU_INCLUDE += -I$(LIBDIR)/STM32F4xx_StdPeriph_Driver/inc
+
+# Set up CFLAGS
+MCU_CPPFLAGS += -D$(shell echo -n $(MCU_SUBTYPE) | tr a-z A-Z )
+MCU_CPPFLAGS += -D"assert_param(expr)=((void)0)"
+MCU_CFLAGS += -mcpu=cortex-m4 -mthumb -Wa,-mthumb 
+
+# Target Libraries
+MCU_LIBS += $(LIBDIR)/libstm32f4xx.a
+
+# CMSIS
+STM32F4xx_OBJS = $(LIBDIR)/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.o
+# Standard Peripheral Library
+STM32F4xx_OBJSR = misc.o stm32f4xx_dma.o stm32f4xx_rcc.o stm32f4xx_adc.o \
+        stm32f4xx_exti.o stm32f4xx_rng.o stm32f4xx_can.o stm32f4xx_flash.o \
+	stm32f4xx_rtc.o stm32f4xx_crc.o stm32f4xx_fsmc.o stm32f4xx_sdio.o \
+	stm32f4xx_cryp_aes.o stm32f4xx_gpio.o stm32f4xx_spi.o \
+	stm32f4xx_cryp.o stm32f4xx_hash.o stm32f4xx_syscfg.o \
+	stm32f4xx_cryp_des.o stm32f4xx_hash_md5.o stm32f4xx_tim.o \
+	stm32f4xx_cryp_tdes.o stm32f4xx_hash_sha1.o  stm32f4xx_usart.o \
+	stm32f4xx_dac.o stm32f4xx_i2c.o stm32f4xx_wwdg.o stm32f4xx_dbgmcu.c \
+	stm32f4xx_iwdg.o stm32f4xx_dcmi.o stm32f4xx_pwr.o
+
+STM32F4xx_OBJS += $(addprefix $(LIBDIR)/STM32F4xx_StdPeriph_Driver/src/,$(STM32F4xx_OBJSR))
+
+# Bookkeeping
+MCU_LIBS_OBJS += $(STM32F4xx_OBJS)
+
+# Build Rules
+$(LIBDIR)/startup_$(MCU_SUBTYPE).o: $(LIBDIR)/CMSIS/Device/ST/STM32F4xx/Source/Templates/gcc_ride7/startup_$(MCU_SUBTYPE).s
+	@$(E) "  AS " $@
+	$(Q)$(AS) -c -o $@ $<
+
+$(LIBDIR)/libstm32f4xx.a:  $(STM32F4xx_OBJS) $(LIBDIR)/startup_$(MCU_SUBTYPE).o
+	@$(E) "  AR " $@
+	$(Q)$(AR) cr $@ $(STM32F4xx_OBJS) $(LIBDIR)/startup_$(MCU_SUBTYPE).o
+
diff --git a/src/build.mk b/src/build.mk
index a2c469a..aba2c98 100644
--- a/src/build.mk
+++ b/src/build.mk
@@ -4,8 +4,8 @@ CFLAGS += -Wno-unused-parameter
 # Objects
 OBJSR := main.o 
 
-OBJS = $(addprefix src/,$(OBJSR))
+SRC_OBJS = $(addprefix src/,$(OBJSR))
 
-src/core.a: $(VERSION_H) $(OBJS)
+src/core.a: $(VERSION_H) $(SRC_OBJS)
 	@$(E) "  AR " $@
-	$(Q)$(AR) cr $@ $(OBJS)
+	$(Q)$(AR) cr $@ $(SRC_OBJS)