From 1f433c719b1d29a44c52befdf1476d154ebb3c68 Mon Sep 17 00:00:00 2001
From: Dave Hylands
Date: Tue, 27 Sep 2016 23:11:36 -0700
Subject: stmhal: Fix linker map for STM32L476 chips.

In particular, this makes the L4 .isr_vector section 16K in size so it's
the same as the F4/F7 MCUs.  The patch also moves the L4 filesystem to
the end of flash, which allows for 512K filesystem on the 1Mb devices
like the STM32L476DISC.
---
 stmhal/Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'stmhal/Makefile')

diff --git a/stmhal/Makefile b/stmhal/Makefile
index 532846234..a135fbb5c 100644
--- a/stmhal/Makefile
+++ b/stmhal/Makefile
@@ -313,11 +313,13 @@ else
 	$(Q)$(DFU_UTIL) -a 0 -d $(DEVICE) -D $<
 endif
 
+TEXT_ADDR ?= 0x08020000
+
 deploy-stlink: $(BUILD)/firmware.dfu
 	$(ECHO) "Writing $(BUILD)/firmware0.bin to the board via ST-LINK"
 	$(Q)$(STFLASH) write $(BUILD)/firmware0.bin 0x08000000
 	$(ECHO) "Writing $(BUILD)/firmware1.bin to the board via ST-LINK"
-	$(Q)$(STFLASH) --reset write $(BUILD)/firmware1.bin 0x08020000
+	$(Q)$(STFLASH) --reset write $(BUILD)/firmware1.bin $(TEXT_ADDR)
 
 deploy-openocd: $(BUILD)/firmware.dfu
 	$(ECHO) "Writing $(BUILD)/firmware{0,1}.bin to the board via ST-LINK using OpenOCD"
@@ -327,7 +329,7 @@ $(BUILD)/firmware.dfu: $(BUILD)/firmware.elf
 	$(ECHO) "Create $@"
 	$(Q)$(OBJCOPY) -O binary -j .isr_vector $^ $(BUILD)/firmware0.bin
 	$(Q)$(OBJCOPY) -O binary -j .text -j .data $^ $(BUILD)/firmware1.bin
-	$(Q)$(PYTHON) $(DFU) -b 0x08000000:$(BUILD)/firmware0.bin -b 0x08020000:$(BUILD)/firmware1.bin $@
+	$(Q)$(PYTHON) $(DFU) -b 0x08000000:$(BUILD)/firmware0.bin -b $(TEXT_ADDR):$(BUILD)/firmware1.bin $@
 
 $(BUILD)/firmware.hex: $(BUILD)/firmware.elf
 	$(ECHO) "Create $@"
-- 
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