STM32L4: firewall for stm32l4x3xx
Not tested for any product family, but now it at least compiles. L496 devices can have one bit wider Volatile Data Segment.
This commit is contained in:
Juha Niskanen
parent
075a8b913c
commit
a5e9724224
@ -212,3 +212,7 @@ ifeq ($(CONFIG_STM32L4_CAN),y)
|
||||
CHIP_CSRCS += stm32l4_can.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_STM32L4_FIREWALL),y)
|
||||
CHIP_CSRCS += stm32l4_firewall.c
|
||||
endif
|
||||
|
||||
|
||||
103
arch/arm/src/stm32l4/chip/stm32l4x3xx_firewall.h
Normal file
103
arch/arm/src/stm32l4/chip/stm32l4x3xx_firewall.h
Normal file
@ -0,0 +1,103 @@
|
||||
/************************************************************************************
|
||||
* arch/arm/src/stm32l4/chip/stm32l4x3xx_firewall.h
|
||||
*
|
||||
* Copyright (C) 2016 Sebastien Lorquet. All rights reserved.
|
||||
* Author: Sebastien Lorquet <sebastien@lorquet.fr>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_STM32L4_CHIP_STM32L4X3XX_FIREWALL_H
|
||||
#define __ARCH_ARM_SRC_STM32L4_CHIP_STM32L4X3XX_FIREWALL_H
|
||||
|
||||
/************************************************************************************
|
||||
* Included Files
|
||||
************************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#include "chip.h"
|
||||
|
||||
/************************************************************************************
|
||||
* Pre-processor Definitions
|
||||
************************************************************************************/
|
||||
|
||||
/* Register Offsets *****************************************************************/
|
||||
|
||||
#define STM32L4_FIREWALL_CSSA_OFFSET 0x0000
|
||||
#define STM32L4_FIREWALL_CSL_OFFSET 0x0004
|
||||
#define STM32L4_FIREWALL_NVDSSA_OFFSET 0x0008
|
||||
#define STM32L4_FIREWALL_NVDSL_OFFSET 0x000C
|
||||
#define STM32L4_FIREWALL_VDSSA_OFFSET 0x0010
|
||||
#define STM32L4_FIREWALL_VDSL_OFFSET 0x0014
|
||||
#define STM32L4_FIREWALL_CR_OFFSET 0x0020
|
||||
|
||||
/* Register Addresses ***************************************************************/
|
||||
|
||||
#define STM32L4_FIREWALL_CSSA (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_CSSA_OFFSET)
|
||||
#define STM32L4_FIREWALL_CSL (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_CSL_OFFSET)
|
||||
#define STM32L4_FIREWALL_NVDSSA (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_NVDSSA_OFFSET)
|
||||
#define STM32L4_FIREWALL_NVDSL (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_NVDSL_OFFSET)
|
||||
#define STM32L4_FIREWALL_VDSSA (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_VDSSA_OFFSET)
|
||||
#define STM32L4_FIREWALL_VDSL (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_VDSL_OFFSET)
|
||||
#define STM32L4_FIREWALL_CR (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_CR_OFFSET)
|
||||
|
||||
/* Register Bitfield Definitions ****************************************************/
|
||||
|
||||
/* Code Segment Start Address */
|
||||
#define FIREWALL_CSSADD_SHIFT 8
|
||||
#define FIREWALL_CSSADD_MASK (0xFFFF << FIREWALL_CSSADD_SHIFT)
|
||||
|
||||
/* Code Segment Length */
|
||||
#define FIREWALL_CSSLENG_SHIFT 8
|
||||
#define FIREWALL_CSSLENG_MASK (0x3FFF << FIREWALL_CSSLENG_SHIFT)
|
||||
|
||||
/* Non-volatile Data Segment Start Address */
|
||||
#define FIREWALL_NVDSADD_SHIFT 8
|
||||
#define FIREWALL_NVDSADD_MASK (0xFFFF << FIREWALL_NVDSADD_SHIFT)
|
||||
|
||||
/* Non-volatile Data Segment Length */
|
||||
#define FIREWALL_NVDSLENG_SHIFT 8
|
||||
#define FIREWALL_NVDSLENG_MASK (0x3FFF << FIREWALL_NVDSLENG_SHIFT)
|
||||
|
||||
/* Volatile Data Segment Start Address */
|
||||
#define FIREWALL_VDSADD_SHIFT 6
|
||||
#define FIREWALL_VDSADD_MASK (0x07FF << FIREWALL_VDSADD_SHIFT)
|
||||
|
||||
/* Volatile Data Segment Length */
|
||||
#define FIREWALL_VDSLENG_SHIFT 6
|
||||
#define FIREWALL_VDSLENG_MASK (0x07FF << FIREWALL_VDSLENG_SHIFT)
|
||||
|
||||
/* Configuration Register */
|
||||
#define FIREWALL_CR_FPA (1 << 0) /* Bit 0: Firewall prearm */
|
||||
#define FIREWALL_CR_VDS (1 << 1) /* Bit 1: Volatile data shared */
|
||||
#define FIREWALL_CR_VDE (1 << 2) /* Bit 2: Volatile data execution */
|
||||
|
||||
#endif /* __ARCH_ARM_SRC_STM32L4_CHIP_STM32L4X3XX_FIREWALL_H */
|
||||
@ -89,11 +89,19 @@
|
||||
|
||||
/* Volatile Data Segment Start Address */
|
||||
#define FIREWALL_VDSADD_SHIFT 6
|
||||
#if defined(CONFIG_STM32L4_STM32L496XX)
|
||||
#define FIREWALL_VDSADD_MASK (0x0FFF << FIREWALL_VDSADD_SHIFT)
|
||||
#else
|
||||
#define FIREWALL_VDSADD_MASK (0x07FF << FIREWALL_VDSADD_SHIFT)
|
||||
#endif
|
||||
|
||||
/* Volatile Data Segment Length */
|
||||
#define FIREWALL_VDSLENG_SHIFT 6
|
||||
#if defined(CONFIG_STM32L4_STM32L496XX)
|
||||
#define FIREWALL_VDSLENG_MASK (0x0FFF << FIREWALL_VDSLENG_SHIFT)
|
||||
#else
|
||||
#define FIREWALL_VDSLENG_MASK (0x07FF << FIREWALL_VDSLENG_SHIFT)
|
||||
#endif
|
||||
|
||||
/* Configuration Register */
|
||||
#define FIREWALL_CR_FPA (1 << 0) /* Bit 0: Firewall prearm */
|
||||
|
||||
@ -38,6 +38,10 @@
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <nuttx/arch.h>
|
||||
|
||||
#include "up_arch.h"
|
||||
#include "chip/stm32l4_syscfg.h"
|
||||
|
||||
#include "stm32l4_firewall.h"
|
||||
|
||||
|
||||
@ -47,9 +47,10 @@
|
||||
|
||||
/* Include the correct firewall register definitions for this STM32L4 family */
|
||||
|
||||
#if defined(CONFIG_STM32L4_STM32L476XX) || defined(CONFIG_STM32L4_STM32L486XX) || \
|
||||
defined(CONFIG_STM32L4_STM32L496XX)
|
||||
#if defined(CONFIG_STM32L4_STM32L4X6)
|
||||
# include "chip/stm32l4x6xx_firewall.h"
|
||||
#elif defined(CONFIG_STM32L4_STM32L4X3)
|
||||
# include "chip/stm32l4x3xx_firewall.h"
|
||||
#else
|
||||
# error "Unsupported STM32L4 chip"
|
||||
#endif
|
||||
@ -60,11 +61,11 @@
|
||||
|
||||
struct stm32l4_firewall_t
|
||||
{
|
||||
uintptr_t *codestart;
|
||||
uintptr_t codestart;
|
||||
size_t codelen;
|
||||
uintptr_t *nvdatastart;
|
||||
uintptr_t nvdatastart;
|
||||
size_t nvdatalen;
|
||||
uintptr_t *datastart;
|
||||
uintptr_t datastart;
|
||||
size_t datalen;
|
||||
uint8_t datashared:1;
|
||||
uint8_t dataexec :1;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user