STM32L4xx startup support.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8176 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/common/ports/ARMCMx/compilers/GCC/ld/STM32L476xG.ld

@@ -0,0 +1,50 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.
+
+    This file is part of ChibiOS.
+
+    ChibiOS is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * STM32F303xC memory setup.
+ */
+MEMORY
+{
+    flash : org = 0x08000000, len = 1M
+    ram0  : org = 0x20000000, len = 96k
+    ram1  : org = 0x00000000, len = 0
+    ram2  : org = 0x00000000, len = 0
+    ram3  : org = 0x00000000, len = 0
+    ram4  : org = 0x10000000, len = 32k
+    ram5  : org = 0x00000000, len = 0
+    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);
+
+INCLUDE rules.ld

os/common/ports/ARMCMx/compilers/GCC/mk/startup_stm32l4xx.mk

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+# List of the ChibiOS generic STM32L4xx startup and CMSIS files.
+STARTUPSRC = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/crt1.c \
+             $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/vectors.c
+          
+STARTUPASM = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/crt0_v7m.s
+
+STARTUPINC = $(CHIBIOS)/os/common/ports/ARMCMx/devices/STM32L4xx \
+             $(CHIBIOS)/os/ext/CMSIS/include \
+             $(CHIBIOS)/os/ext/CMSIS/ST
+
+STARTUPLD  = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/ld

os/common/ports/ARMCMx/devices/STM32L4xx/cmparams.h

@@ -0,0 +1,90 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.
+
+    This file is part of ChibiOS.
+
+    ChibiOS is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    STM32F4xx/cmparams.h
+ * @brief   ARM Cortex-M4 parameters for the STM32F4xx.
+ *
+ * @defgroup ARMCMx_STM32L$xx STM32L4xx Specific Parameters
+ * @ingroup ARMCMx_SPECIFIC
+ * @details This file contains the Cortex-M4 specific parameters for the
+ *          STM32L4xx platform.
+ * @{
+ */
+
+#ifndef _CMPARAMS_H_
+#define _CMPARAMS_H_
+
+/**
+ * @brief   Cortex core model.
+ */
+#define CORTEX_MODEL            4
+
+/**
+ * @brief   Floating Point unit presence.
+ */
+#define CORTEX_HAS_FPU          1
+
+/**
+ * @brief   Number of bits in priority masks.
+ */
+#define CORTEX_PRIORITY_BITS    4
+
+/**
+ * @brief   Number of interrupt vectors.
+ * @note    This number does not include the 16 system vectors and must be
+ *          rounded to a multiple of 8.
+ */
+#define CORTEX_NUM_VECTORS      88
+
+/* The following code is not processed when the file is included from an
+   asm module.*/
+#if !defined(_FROM_ASM_)
+
+/* If the device type is not externally defined, for example from the Makefile,
+   then a file named board.h is included. This file must contain a device
+   definition compatible with the vendor include file.*/
+#if !defined(STM32L471xx) && !defined(STM32L475xx) &&                       \
+    !defined(STM32L476xx) && !defined(STM32L485xx) &&                       \
+    !defined (STM32L486xx)
+#include "board.h"
+#endif
+
+/* Including the device CMSIS header. Note, we are not using the definitions
+   from this header because we need this file to be usable also from
+   assembler source files. We verify that the info matches instead.*/
+#include "stm32l4xx.h"
+
+#if CORTEX_MODEL != __CORTEX_M
+#error "CMSIS __CORTEX_M mismatch"
+#endif
+
+#if CORTEX_HAS_FPU != __FPU_PRESENT
+#error "CMSIS __FPU_PRESENT mismatch"
+#endif
+
+#if CORTEX_PRIORITY_BITS != __NVIC_PRIO_BITS
+#error "CMSIS __NVIC_PRIO_BITS mismatch"
+#endif
+
+#endif /* !defined(_FROM_ASM_) */
+
+#endif /* _CMPARAMS_H_ */
+
+/** @} */