S32K3XX MR-CANHUBK3 Add protected knsh support

This commit is contained in:
Peter van der Perk 2022-12-19 11:31:34 +01:00 committed by Xiang Xiao
parent 9eea82a61d
commit b5fd0b2381
14 changed files with 1277 additions and 145 deletions

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@ -76,6 +76,14 @@ ifeq ($(CONFIG_S32K3XX_QSPI),y)
CHIP_CSRCS += s32k3xx_qspi.c
endif
ifeq ($(CONFIG_BUILD_PROTECTED),y)
CHIP_CSRCS += s32k3xx_userspace.c
endif
ifeq ($(CONFIG_ARM_MPU),y)
CHIP_CSRCS += s32k3xx_mpuinit.c
endif
# Make sure that the S32K3 common directory in included in the VPATH
VPATH += chip/common

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@ -0,0 +1,243 @@
/****************************************************************************
* arch/arm/src/s32k3xx/s32k3xx_mpuinit.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <assert.h>
#include <nuttx/userspace.h>
#include "mpu.h"
#include "barriers.h"
#include "s32k3xx_mpuinit.h"
#include "arm_internal.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef MAX
# define MAX(a,b) a > b ? a : b
#endif
#ifndef MIN
# define MIN(a,b) a < b ? a : b
#endif
#ifndef CONFIG_ARMV7M_DCACHE
/* With Dcache off:
* Cacheable (MPU_RASR_C) and Bufferable (MPU_RASR_B) needs to be off
*/
# undef MPU_RASR_B
# define MPU_RASR_B 0
# define RASR_B_VALUE 0
# define RASR_C_VALUE 0
#else
# ifndef CONFIG_ARMV7M_DCACHE_WRITETHROUGH
/* With Dcache on:
* Cacheable (MPU_RASR_C) and Bufferable (MPU_RASR_B) needs to be on
*/
# define RASR_B_VALUE MPU_RASR_B
# define RASR_C_VALUE MPU_RASR_C
# else
/* With Dcache in WRITETHROUGH Bufferable (MPU_RASR_B)
* needs to be off, except for FLASH for alignment leniency
*/
# define RASR_B_VALUE 0
# define RASR_C_VALUE MPU_RASR_C
# endif
#endif
/****************************************************************************
* Private Types
****************************************************************************/
extern uint8_t SRAM_BASE_ADDR[];
extern uint8_t SRAM_INIT_END_ADDR[];
extern uint8_t ITCM_BASE_ADDR[];
extern uint8_t ITCM_END_ADDR[];
extern uint8_t DTCM_BASE_ADDR[];
extern uint8_t DTCM_END_ADDR[];
extern uint8_t FLASH_BASE_ADDR[];
extern uint8_t FLASH_END_ADDR[];
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: s32k3xx_mpuinitialize
*
* Description:
* Configure the MPU to permit user-space access to only restricted SAM3U
* resources.
*
****************************************************************************/
#if defined(CONFIG_ARCH_USE_MPU)
void s32k3xx_mpuinitialize(void)
{
uint32_t regval;
uint32_t region;
#ifdef CONFIG_BUILD_PROTECTED
uintptr_t datastart;
uintptr_t dataend;
#endif
/* Show MPU information */
mpu_showtype();
#ifdef CONFIG_ARMV7M_DCACHE
/* Memory barrier */
ARM_DMB();
#endif
/* Reset MPU if enabled */
mpu_reset();
/* ARM errata 1013783-B Workaround */
region = mpu_allocregion();
DEBUGASSERT(region == 0);
/* Select the region */
putreg32(region, MPU_RNR);
/* Select the region base address */
putreg32(region | MPU_RBAR_VALID, MPU_RBAR);
/* The configure the region */
regval = MPU_RASR_ENABLE | /* Enable region */
MPU_RASR_SIZE_LOG2(32) | /* entire memory */
MPU_RASR_TEX_SO | /* Strongly ordered */
MPU_RASR_AP_RWRW | /* P:RW U:RW */
MPU_RASR_XN; /* Execute-never to prevent instruction fetch */
putreg32(regval, MPU_RASR);
mpu_configure_region((uintptr_t)FLASH_BASE_ADDR,
FLASH_END_ADDR - FLASH_BASE_ADDR,
MPU_RASR_TEX_SO | /* Strongly ordered */
RASR_C_VALUE | /* Cacheable */
MPU_RASR_B | /* Bufferable
* Not Shareable */
MPU_RASR_AP_RORO); /* P:RO U:RO
* Instruction access */
mpu_configure_region((uintptr_t)SRAM_BASE_ADDR,
SRAM_INIT_END_ADDR - SRAM_BASE_ADDR,
MPU_RASR_TEX_SO | /* Strongly ordered */
RASR_C_VALUE | /* Cacheable */
RASR_B_VALUE | /* Bufferable
* Not Shareable */
MPU_RASR_AP_RWRW); /* P:RW U:RW
* Instruction access */
mpu_configure_region((uintptr_t)ITCM_BASE_ADDR,
ITCM_END_ADDR - ITCM_BASE_ADDR,
MPU_RASR_TEX_SO | /* Strongly ordered */
RASR_C_VALUE | /* Cacheable */
RASR_B_VALUE | /* Bufferable
* Not Shareable */
MPU_RASR_AP_RWRW); /* P:RW U:RW
* Instruction access */
mpu_configure_region((uintptr_t)DTCM_BASE_ADDR,
DTCM_END_ADDR - DTCM_BASE_ADDR,
MPU_RASR_TEX_SO | /* Strongly ordered */
RASR_C_VALUE | /* Cacheable */
RASR_B_VALUE | /* Bufferable
* Not Shareable */
MPU_RASR_AP_RWRW); /* P:RW U:RW
* Instruction access */
mpu_configure_region(0x40000000, 3 * 2048 * 1024,
MPU_RASR_TEX_DEV | /* Device
* Not Cacheable
* Not Bufferable
* Not Shareable */
MPU_RASR_AP_RWRW); /* P:RW U:RW
* Instruction access */
#ifdef CONFIG_BUILD_PROTECTED
/* Configure user flash and SRAM space */
DEBUGASSERT(USERSPACE->us_textend >= USERSPACE->us_textstart);
mpu_user_flash(USERSPACE->us_textstart,
USERSPACE->us_textend - USERSPACE->us_textstart);
datastart = MIN(USERSPACE->us_datastart, USERSPACE->us_bssstart);
dataend = MAX(USERSPACE->us_dataend, USERSPACE->us_bssend);
DEBUGASSERT(dataend >= datastart);
mpu_user_intsram(datastart, dataend - datastart);
#endif
/* Then enable the MPU */
mpu_control(true, false, true);
}
#endif
#if defined(CONFIG_BUILD_PROTECTED) && defined(CONFIG_ARM_MPU)
/****************************************************************************
* Name: s32k3xx_mpu_uheap
*
* Description:
* Map the user-heap region.
*
* This logic may need an extension to handle external SDRAM).
*
****************************************************************************/
void s32k3xx_mpu_uheap(uintptr_t start, size_t size)
{
/* Configure the user SRAM space
* Ordered
* Cacheable
* Not Bufferable
* Not Shareable
* P:RW U:RW
* Instruction access
*/
mpu_configure_region(start, size,
MPU_RASR_TEX_SO |
MPU_RASR_C |
MPU_RASR_AP_RWRW
);
}
#endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */

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@ -0,0 +1,102 @@
/****************************************************************************
* arch/arm/src/s32k3xx/s32k3xx_mpuinit.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_S32K3XX_MPUINIT_H
#define __ARCH_ARM_SRC_S32K3XX_MPUINIT_H
/****************************************************************************
* Name: s32k3xx_mpuinitialize
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
/****************************************************************************
* Name: s32k3xx_mpuinitialize
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Name: s32k3xx_mpuinitialize
* Public Types
****************************************************************************/
/****************************************************************************
* Name: s32k3xx_mpuinitialize
* Inline Functions
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Name: s32k3xx_mpuinitialize
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: s32k3xx_mpuinitialize
*
* Description:
* Configure the MPU to permit user-space access to only unrestricted
* S32K3XX resources.
*
****************************************************************************/
#ifdef CONFIG_ARCH_USE_MPU
void s32k3xx_mpuinitialize(void);
#endif
/****************************************************************************
* Name: s32k3xx_mpu_uheap
*
* Description:
* Map the user heap region.
*
****************************************************************************/
#ifdef CONFIG_BUILD_PROTECTED
void s32k3xx_mpu_uheap(uintptr_t start, size_t size);
#else
# define s32k3xx_mpu_uheap(start,size)
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_SRC_S32K3XX_MPUINIT_H */

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@ -36,7 +36,6 @@
#include <arch/irq.h>
#include "arm_internal.h"
#include "barriers.h"
#include "nvic.h"
#ifdef CONFIG_BUILD_PROTECTED
@ -51,7 +50,7 @@
#include "s32k3xx_swt.h"
#include "s32k3xx_start.h"
#if defined(CONFIG_ARCH_USE_MPU)
#include "mpu.h"
#include "s32k3xx_mpuinit.h"
#endif
#ifdef CONFIG_S32K3XX_PROGMEM
@ -95,31 +94,6 @@
#define STARTUP_ECC_INITVALUE 0
#ifndef CONFIG_ARMV7M_DCACHE
/* With Dcache off:
* Cacheable (MPU_RASR_C) and Bufferable (MPU_RASR_B) needs to be off
*/
# undef MPU_RASR_B
# define MPU_RASR_B 0
# define RASR_B_VALUE 0
# define RASR_C_VALUE 0
#else
# ifndef CONFIG_ARMV7M_DCACHE_WRITETHROUGH
/* With Dcache on:
* Cacheable (MPU_RASR_C) and Bufferable (MPU_RASR_B) needs to be on
*/
# define RASR_B_VALUE MPU_RASR_B
# define RASR_C_VALUE MPU_RASR_C
# else
/* With Dcache in WRITETHROUGH Bufferable (MPU_RASR_B)
* needs to be off, except for FLASH for alignment leniency
*/
# define RASR_B_VALUE 0
# define RASR_C_VALUE MPU_RASR_C
# endif
#endif
/****************************************************************************
* Name: showprogress
*
@ -147,110 +121,6 @@ extern uint8_t DTCM_END_ADDR[];
extern uint8_t FLASH_BASE_ADDR[];
extern uint8_t FLASH_END_ADDR[];
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: s32k3xx_mpu_config
*
* Description:
* Enable all bus masters.
*
****************************************************************************/
#if defined(CONFIG_ARCH_USE_MPU)
static inline void s32k3xx_mpu_config(void)
{
uint32_t regval;
uint32_t region;
/* Show MPU information */
mpu_showtype();
#ifdef CONFIG_ARMV7M_DCACHE
/* Memory barrier */
ARM_DMB();
#endif
/* Reset MPU if enabled */
mpu_reset();
/* ARM errata 1013783-B Workaround */
region = mpu_allocregion();
DEBUGASSERT(region == 0);
/* Select the region */
putreg32(region, MPU_RNR);
/* Select the region base address */
putreg32(region | MPU_RBAR_VALID, MPU_RBAR);
/* The configure the region */
regval = MPU_RASR_ENABLE | /* Enable region */
MPU_RASR_SIZE_LOG2(32) | /* entire memory */
MPU_RASR_TEX_SO | /* Strongly ordered */
MPU_RASR_AP_RWRW | /* P:RW U:RW */
MPU_RASR_XN; /* Execute-never to prevent instruction fetch */
putreg32(regval, MPU_RASR);
mpu_configure_region((uintptr_t)FLASH_BASE_ADDR,
FLASH_END_ADDR - FLASH_BASE_ADDR,
MPU_RASR_TEX_SO | /* Strongly ordered */
RASR_C_VALUE | /* Cacheable */
MPU_RASR_B | /* Bufferable
* Not Shareable */
MPU_RASR_AP_RORO); /* P:RO U:RO
* Instruction access */
mpu_configure_region((uintptr_t)SRAM_BASE_ADDR,
SRAM_INIT_END_ADDR - SRAM_BASE_ADDR,
MPU_RASR_TEX_SO | /* Strongly ordered */
RASR_C_VALUE | /* Cacheable */
RASR_B_VALUE | /* Bufferable
* Not Shareable */
MPU_RASR_AP_RWRW); /* P:RW U:RW
* Instruction access */
mpu_configure_region((uintptr_t)ITCM_BASE_ADDR,
ITCM_END_ADDR - ITCM_BASE_ADDR,
MPU_RASR_TEX_SO | /* Strongly ordered */
RASR_C_VALUE | /* Cacheable */
RASR_B_VALUE | /* Bufferable
* Not Shareable */
MPU_RASR_AP_RWRW); /* P:RW U:RW
* Instruction access */
mpu_configure_region((uintptr_t)DTCM_BASE_ADDR,
DTCM_END_ADDR - DTCM_BASE_ADDR,
MPU_RASR_TEX_SO | /* Strongly ordered */
RASR_C_VALUE | /* Cacheable */
RASR_B_VALUE | /* Bufferable
* Not Shareable */
MPU_RASR_AP_RWRW); /* P:RW U:RW
* Instruction access */
mpu_configure_region(0x40000000, 3 * 2048 * 1024,
MPU_RASR_TEX_DEV | /* Device
* Not Cacheable
* Not Bufferable
* Not Shareable */
MPU_RASR_AP_RWRW); /* P:RW U:RW
* Instruction access */
/* Then enable the MPU */
mpu_control(true, false, true);
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
@ -348,11 +218,23 @@ void s32k3xx_start(void)
arm_fpuconfig();
#if defined(CONFIG_ARCH_USE_MPU)
#ifdef CONFIG_ARM_MPU
#ifdef CONFIG_BUILD_PROTECTED
/* For the case of the separate user-/kernel-space build, perform whatever
* platform specific initialization of the user memory is required.
* Normally this just means initializing the user space .data and .bss
* segments.
*/
/* Config MPU regions */
s32k3xx_userspace();
#endif
s32k3xx_mpu_config();
/* Configure the MPU to permit user-space access to its FLASH and RAM (for
* CONFIG_BUILD_PROTECTED) or to manage cache properties in external
* memory regions.
*/
s32k3xx_mpuinitialize();
showprogress('D');
#endif
@ -378,17 +260,6 @@ void s32k3xx_start(void)
s32k3xx_eeeprom_init();
#endif
/* For the case of the separate user-/kernel-space build, perform whatever
* platform specific initialization of the user memory is required.
* Normally this just means initializing the user space .data and .bss
* segments.
*/
#ifdef CONFIG_BUILD_PROTECTED
s32k3xx_userspace();
showprogress('F');
#endif
/* Initialize on-board resources */
showprogress('G');

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@ -0,0 +1,87 @@
/****************************************************************************
* arch/arm/src/s32k3xx/s32k3xx_userspace.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <assert.h>
#include <nuttx/userspace.h>
#include "s32k3xx_userspace.h"
#include "mpu.h"
#ifdef CONFIG_BUILD_PROTECTED
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: s32k3xx_userspace
*
* Description:
* For the case of the separate user-/kernel-space build, perform whatever
* platform specific initialization of the user memory is required.
* Normally this just means initializing the user space .data and .bss
* segments.
*
****************************************************************************/
void s32k3xx_userspace(void)
{
uint8_t *src;
uint8_t *dest;
uint8_t *end;
/* Clear all of user-space .bss */
DEBUGASSERT(USERSPACE->us_bssstart != 0 && USERSPACE->us_bssend != 0 &&
USERSPACE->us_bssstart <= USERSPACE->us_bssend);
dest = (uint8_t *)USERSPACE->us_bssstart;
end = (uint8_t *)USERSPACE->us_bssend;
while (dest != end)
{
*dest++ = 0;
}
/* Initialize all of user-space .data */
DEBUGASSERT(USERSPACE->us_datasource != 0 &&
USERSPACE->us_datastart != 0 && USERSPACE->us_dataend != 0 &&
USERSPACE->us_datastart <= USERSPACE->us_dataend);
src = (uint8_t *)USERSPACE->us_datasource;
dest = (uint8_t *)USERSPACE->us_datastart;
end = (uint8_t *)USERSPACE->us_dataend;
while (dest != end)
{
*dest++ = *src++;
}
}
#endif /* CONFIG_BUILD_PROTECTED */

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@ -0,0 +1,90 @@
/****************************************************************************
* arch/arm/src/s32k3xx/s32k3xx_userspace.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_S32K3XX_USERSPACE_H
#define __ARCH_ARM_SRC_S32K3XX_USERSPACE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include "arm_internal.h"
#include "chip.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Inline Functions
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: s32k3xx_userspace
*
* Description:
* For the case of the separate user-/kernel-space build, perform whatever
* platform specific initialization of the user memory is required.
* Normally this just means initializing the user space .data and .bss
* segments.
*
****************************************************************************/
#ifdef CONFIG_BUILD_PROTECTED
void s32k3xx_userspace(void);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_SRC_S32K3XX_USERSPACE_H */

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@ -0,0 +1,49 @@
############################################################################
# boards/arm/s32k3xx/mr-canhubk3/configs/knsh/Make.defs
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you 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.
#
############################################################################
include $(TOPDIR)/.config
include $(TOPDIR)/tools/Config.mk
include $(TOPDIR)/arch/arm/src/armv7-m/Toolchain.defs
LDSCRIPT1 = memory.ld
LDSCRIPT2 = kernel-space.ld
ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT1)
ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT2)
ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
CFLAGS := $(ARCHCFLAGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
CXXFLAGS := $(ARCHCXXFLAGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
CPPFLAGS := $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS)
AFLAGS := $(CFLAGS) -D__ASSEMBLY__
NXFLATLDFLAGS1 = -r -d -warn-common
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
LDNXFLATFLAGS = -e main -s 2048
# Loadable module definitions
CMODULEFLAGS = $(CFLAGS) -mlong-calls # --target1-abs
LDMODULEFLAGS = -r -e module_initialize
LDMODULEFLAGS += -T $(call CONVERT_PATH,$(TOPDIR)/libs/libc/modlib/gnu-elf.ld)

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@ -0,0 +1,119 @@
#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
# CONFIG_ARCH_FPU is not set
# CONFIG_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
# CONFIG_NSH_CMDPARMS is not set
# CONFIG_NSH_DISABLE_DATE is not set
CONFIG_ALLOW_GPL_COMPONENTS=y
CONFIG_ARCH="arm"
CONFIG_ARCH_BOARD="mr-canhubk3"
CONFIG_ARCH_BOARD_MR_CANHUBK3=y
CONFIG_ARCH_BUTTONS=y
CONFIG_ARCH_CHIP="s32k3xx"
CONFIG_ARCH_CHIP_S32K344=y
CONFIG_ARCH_CHIP_S32K3XX=y
CONFIG_ARCH_IRQBUTTONS=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARMV7M_DCACHE=y
CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
CONFIG_ARMV7M_DTCM=y
CONFIG_ARMV7M_ICACHE=y
CONFIG_BOARD_LOOPSPERMSEC=14539
CONFIG_BUILD_PROTECTED=y
CONFIG_BUILTIN=y
CONFIG_CANUTILS_CANDUMP=y
CONFIG_CANUTILS_CANSEND=y
CONFIG_EXAMPLES_BUTTONS=y
CONFIG_EXAMPLES_HELLO=y
CONFIG_FLEXCAN0_ARBI_BITRATE=500000
CONFIG_FLEXCAN0_DATA_BITRATE=2000000
CONFIG_FLEXCAN1_ARBI_BITRATE=500000
CONFIG_FLEXCAN1_DATA_BITRATE=2000000
CONFIG_FLEXCAN2_ARBI_BITRATE=500000
CONFIG_FLEXCAN2_DATA_BITRATE=2000000
CONFIG_FLEXCAN3_ARBI_BITRATE=500000
CONFIG_FLEXCAN3_DATA_BITRATE=2000000
CONFIG_FLEXCAN4_ARBI_BITRATE=500000
CONFIG_FLEXCAN4_DATA_BITRATE=2000000
CONFIG_FLEXCAN5_ARBI_BITRATE=500000
CONFIG_FLEXCAN5_DATA_BITRATE=2000000
CONFIG_FS_LITTLEFS=y
CONFIG_FS_PROCFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INPUT=y
CONFIG_INPUT_BUTTONS=y
CONFIG_INPUT_BUTTONS_LOWER=y
CONFIG_IOB_HEADSIZE=196
CONFIG_IOB_NOTIFIER=y
CONFIG_IOB_THROTTLE=12
CONFIG_LPUART2_SERIAL_CONSOLE=y
CONFIG_MM_KERNEL_HEAPSIZE=131072
CONFIG_MM_REGIONS=2
CONFIG_MTD=y
CONFIG_MTD_MX25RXX=y
CONFIG_MX25RXX_LXX=y
CONFIG_NET=y
CONFIG_NETDB_DNSCLIENT=y
CONFIG_NETDEV_IFINDEX=y
CONFIG_NETDEV_LATEINIT=y
CONFIG_NETUTILS_PING=y
CONFIG_NET_CAN=y
CONFIG_NET_CAN_EXTID=y
CONFIG_NET_CAN_NOTIFIER=y
CONFIG_NET_CAN_SOCK_OPTS=y
CONFIG_NET_ICMP=y
CONFIG_NET_TCP=y
CONFIG_NET_TIMESTAMP=y
CONFIG_NET_UDP=y
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_READLINE=y
CONFIG_NUTTX_USERSPACE=0x00501000
CONFIG_PASS1_BUILDIR="boards/arm/s32k3xx/mr-canhubk3/kernel"
CONFIG_PREALLOC_TIMERS=4
CONFIG_RAM_SIZE=272000
CONFIG_RAM_START=0x20400000
CONFIG_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_S32K3XX_DTCM_HEAP=y
CONFIG_S32K3XX_EIRQINTS=y
CONFIG_S32K3XX_ENET=y
CONFIG_S32K3XX_FLEXCAN0=y
CONFIG_S32K3XX_FLEXCAN1=y
CONFIG_S32K3XX_FLEXCAN2=y
CONFIG_S32K3XX_FLEXCAN3=y
CONFIG_S32K3XX_FLEXCAN4=y
CONFIG_S32K3XX_FLEXCAN5=y
CONFIG_S32K3XX_FS26=y
CONFIG_S32K3XX_GPIOIRQ=y
CONFIG_S32K3XX_LPI2C0=y
CONFIG_S32K3XX_LPI2C1=y
CONFIG_S32K3XX_LPSPI3=y
CONFIG_S32K3XX_LPSPI3_PINCFG=3
CONFIG_S32K3XX_LPUART0=y
CONFIG_S32K3XX_LPUART10=y
CONFIG_S32K3XX_LPUART13=y
CONFIG_S32K3XX_LPUART14=y
CONFIG_S32K3XX_LPUART1=y
CONFIG_S32K3XX_LPUART2=y
CONFIG_S32K3XX_LPUART9=y
CONFIG_S32K3XX_QSPI=y
CONFIG_S32K3XX_TJA1153=y
CONFIG_SCHED_LPWORK=y
CONFIG_SCHED_WAITPID=y
CONFIG_SPI_DRIVER=y
CONFIG_START_DAY=30
CONFIG_START_MONTH=5
CONFIG_START_YEAR=2022
CONFIG_SYMTAB_ORDEREDBYNAME=y
CONFIG_SYSTEM_NSH=y
CONFIG_TIMER=y

View File

@ -0,0 +1,92 @@
############################################################################
# boards/arm/s32k3xx/mr-canhubk3/kernel/Makefile
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you 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.
#
############################################################################
include $(TOPDIR)/Make.defs
# The entry point name (if none is provided in the .config file)
CONFIG_INIT_ENTRYPOINT ?= user_start
ENTRYPT = $(patsubst "%",%,$(CONFIG_INIT_ENTRYPOINT))
# Get the paths to the libraries and the links script path in format that
# is appropriate for the host OS
USER_LIBPATHS = $(addprefix -L,$(call CONVERT_PATH,$(addprefix $(TOPDIR)$(DELIM),$(dir $(USERLIBS)))))
USER_LDSCRIPT = -T $(call CONVERT_PATH,$(BOARD_DIR)$(DELIM)scripts$(DELIM)memory.ld)
USER_LDSCRIPT += -T $(call CONVERT_PATH,$(BOARD_DIR)$(DELIM)scripts$(DELIM)user-space.ld)
USER_HEXFILE += $(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx_user.hex)
USER_SRECFILE += $(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx_user.srec)
USER_BINFILE += $(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx_user.bin)
USER_LDFLAGS = --undefined=$(ENTRYPT) --entry=$(ENTRYPT) $(USER_LDSCRIPT) --print-memory-usage
USER_LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(USERLIBS))))
USER_LIBGCC = "${shell "$(CC)" $(ARCHCPUFLAGS) -print-libgcc-file-name}"
# Source files
CSRCS = s32k3xx_userspace.c
COBJS = $(CSRCS:.c=$(OBJEXT))
OBJS = $(COBJS)
# Targets:
all: $(TOPDIR)$(DELIM)nuttx_user.elf $(TOPDIR)$(DELIM)User.map
.PHONY: nuttx_user.elf depend clean distclean
$(COBJS): %$(OBJEXT): %.c
$(call COMPILE, $<, $@)
# Create the nuttx_user.elf file containing all of the user-mode code
nuttx_user.elf: $(OBJS)
$(Q) $(LD) -o $@ $(USER_LDFLAGS) $(USER_LIBPATHS) $(OBJS) --start-group $(USER_LDLIBS) --end-group $(USER_LIBGCC)
$(TOPDIR)$(DELIM)nuttx_user.elf: nuttx_user.elf
@echo "LD: nuttx_user.elf"
$(Q) cp -a nuttx_user.elf $(TOPDIR)$(DELIM)nuttx_user.elf
ifeq ($(CONFIG_INTELHEX_BINARY),y)
@echo "CP: nuttx_user.hex"
$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O ihex nuttx_user.elf $(USER_HEXFILE)
endif
ifeq ($(CONFIG_MOTOROLA_SREC),y)
@echo "CP: nuttx_user.srec"
$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O srec nuttx_user.elf $(USER_SRECFILE)
endif
ifeq ($(CONFIG_RAW_BINARY),y)
@echo "CP: nuttx_user.bin"
$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O binary nuttx_user.elf $(USER_BINFILE)
endif
$(TOPDIR)$(DELIM)User.map: nuttx_user.elf
@echo "MK: User.map"
$(Q) $(NM) nuttx_user.elf >$(TOPDIR)$(DELIM)User.map
$(Q) $(CROSSDEV)size nuttx_user.elf
.depend:
depend: .depend
clean:
$(call DELFILE, nuttx_user.elf)
$(call DELFILE, "$(TOPDIR)$(DELIM)nuttx_user.*")
$(call DELFILE, "$(TOPDIR)$(DELIM)User.map")
$(call CLEAN)
distclean: clean

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@ -0,0 +1,99 @@
/****************************************************************************
* boards/arm/s32k3xx/mr-canhubk3/kernel/s32k3xx_userspace.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdlib.h>
#include <nuttx/userspace.h>
#include <nuttx/wqueue.h>
#include <nuttx/mm/mm.h>
#if defined(CONFIG_BUILD_PROTECTED) && !defined(__KERNEL__)
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#ifndef CONFIG_NUTTX_USERSPACE
# error "CONFIG_NUTTX_USERSPACE not defined"
#endif
#if CONFIG_NUTTX_USERSPACE != 0x00501000
# error "CONFIG_NUTTX_USERSPACE must be 0x00501000 to match user-space.ld"
#endif
/****************************************************************************
* Public Data
****************************************************************************/
/* These 'addresses' of these values are setup by the linker script. */
extern uint8_t _stext[]; /* Start of .text */
extern uint8_t _etext[]; /* End_1 of .text + .rodata */
extern const uint8_t _eronly[]; /* End+1 of read only section (.text + .rodata) */
extern uint8_t _sdata[]; /* Start of .data */
extern uint8_t _edata[]; /* End+1 of .data */
extern uint8_t _sbss[]; /* Start of .bss */
extern uint8_t _ebss[]; /* End+1 of .bss */
const struct userspace_s userspace locate_data(".userspace") =
{
/* General memory map */
.us_entrypoint = CONFIG_INIT_ENTRYPOINT,
.us_textstart = (uintptr_t)_stext,
.us_textend = (uintptr_t)_etext,
.us_datasource = (uintptr_t)_eronly,
.us_datastart = (uintptr_t)_sdata,
.us_dataend = (uintptr_t)_edata,
.us_bssstart = (uintptr_t)_sbss,
.us_bssend = (uintptr_t)_ebss,
/* Memory manager heap structure */
.us_heap = &g_mmheap,
/* Task/thread startup routines */
.task_startup = nxtask_startup,
/* Signal handler trampoline */
.signal_handler = up_signal_handler,
/* User-space work queue support (declared in include/nuttx/wqueue.h) */
#ifdef CONFIG_LIBC_USRWORK
.work_usrstart = work_usrstart,
#endif
};
/****************************************************************************
* Public Functions
****************************************************************************/
#endif /* CONFIG_BUILD_PROTECTED && !__KERNEL__ */

View File

@ -47,3 +47,10 @@ AFLAGS := $(CFLAGS) -D__ASSEMBLY__
NXFLATLDFLAGS1 = -r -d -warn-common
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
LDNXFLATFLAGS = -e main -s 2048
# Loadable module definitions
CMODULEFLAGS = $(CFLAGS) -mlong-calls # --target1-abs
LDMODULEFLAGS = -r -e module_initialize
LDMODULEFLAGS += -T $(call CONVERT_PATH,$(TOPDIR)/libs/libc/modlib/gnu-elf.ld)

View File

@ -0,0 +1,153 @@
/****************************************************************************
* kernel-space.ld
*
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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.
*
****************************************************************************/
/* NOTE: This depends on the memory.ld script having been included prior to
* this script.
*/
OUTPUT_ARCH(arm)
EXTERN(_vectors)
EXTERN(boot_header)
ENTRY(_stext)
/*
* Ensure that abort() is present in the final object. The exception handling
* code pulled in by libgcc.a requires it (and that code cannot be easily avoided).
*/
EXTERN(abort)
EXTERN(_bootdelay_signature)
/*
* TODO: Fill in the signature location into TOC from user-space elf
EXTERN(_main_toc)
*/
SECTIONS
{
.boot_header :
{
KEEP(*(.boot_header))
} > BOOT_HEADER
.text : {
_stext = ABSOLUTE(.);
*(.vectors)
. = ALIGN(32);
/*
This signature provides the bootloader with a way to delay booting
*/
_bootdelay_signature = ABSOLUTE(.);
FILL(0xffecc2925d7d05c5)
. += 8;
/*
*(.main_toc)
*/
*(.text .text.*)
*(.fixup)
*(.gnu.warning)
*(.rodata .rodata.*)
*(.gnu.linkonce.t.*)
*(.glue_7)
*(.glue_7t)
*(.got)
*(.gcc_except_table)
*(.gnu.linkonce.r.*)
_etext = ABSOLUTE(.);
} > kflash
/*
* Init functions (static constructors and the like)
*/
.init_section : {
_sinit = ABSOLUTE(.);
KEEP(*(.init_array .init_array.*))
_einit = ABSOLUTE(.);
} > kflash
.ARM.extab : {
*(.ARM.extab*)
} > kflash
__exidx_start = ABSOLUTE(.);
.ARM.exidx : {
*(.ARM.exidx*)
} > kflash
__exidx_end = ABSOLUTE(.);
_eronly = ABSOLUTE(.);
.data : {
_sdata = ABSOLUTE(.);
*(.data .data.*)
*(.gnu.linkonce.d.*)
CONSTRUCTORS
_edata = ABSOLUTE(.);
} > ksram AT > kflash
.bss : {
_sbss = ABSOLUTE(.);
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(4);
_ebss = ABSOLUTE(.);
} > ksram
/* Stabs debugging sections */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_info 0 : { *(.debug_info) }
.debug_line 0 : { *(.debug_line) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_aranges 0 : { *(.debug_aranges) }
.ramfunc : {
_sramfuncs = .;
*(.ramfunc .ramfunc.*)
. = ALIGN(4);
_eramfuncs = .;
} > ksram AT > kflash
_framfuncs = LOADADDR(.ramfunc);
}

View File

@ -0,0 +1,88 @@
/****************************************************************************
* scripts/memory.ld
*
* Copyright (C) 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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.
*
****************************************************************************/
/*
*
* 0x00400000 - 0x007fffff 4194304 Program Flash (last 64K sBAF)
* 0x10000000 - 0x1003ffff 262144 Data Flash (last 32K HSE_NVM)
* 0x20400000 - 0x20408000 32768 Standby RAM_0 (32K)
* 0x20400000 - 0x20427fff 163840 SRAM_0
* 0x20428000 - 0x2044ffff 163840 SRAM_1
*
* Last 48 KB of SRAM_1 reserved by HSE Firmware
* Last 128 KB of CODE_FLASH_3 reserved by HSE Firmware
* Last 128 KB of DATA_FLASH reserved by HSE Firmware (not supported in this linker file)
*
* Note Standby RAM and SRAM overlaps in NuttX since we dont use the Standby functionality
*
*/
MEMORY
{
/* 4096KB FLASH*/
BOOT_HEADER (R) : ORIGIN = 0x00400000, LENGTH = 0x00001000 /* 0x00400000 - 0x00400fff */
flash (rx) : ORIGIN = 0x00401000, LENGTH = 0x003cffff
kflash (rx) : ORIGIN = 0x00401000, LENGTH = 1024K
uflash (rx) : ORIGIN = 0x00401000+1024K, LENGTH = 0x003cffff-1024K
/* ITCM RAM */
itcm (rwx) : ORIGIN = 0x00000000, LENGTH = 64K
/* DTCM SRAM */
dtcm (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
/* SRAM */
sram0_stdby (rwx) : ORIGIN = 0x20400000, LENGTH = 32K
sram (rwx) : ORIGIN = 0x20400000, LENGTH = 272K
ksram (rwx) : ORIGIN = 0x20400000, LENGTH = 128K
usram (rwx) : ORIGIN = 0x20400000+128K, LENGTH = 272K-128K
}
CM7_0_START_ADDRESS = ORIGIN(flash);
SRAM_BASE_ADDR = ORIGIN(sram);
SRAM_END_ADDR = ORIGIN(sram) + LENGTH(sram);
SRAM_STDBY_BASE_ADDR = ORIGIN(sram0_stdby);
SRAM_STDBY_END_ADDR = ORIGIN(sram0_stdby) + LENGTH(sram0_stdby);
SRAM_INIT_END_ADDR = ORIGIN(sram) + 320K;
ITCM_BASE_ADDR = ORIGIN(itcm);
ITCM_END_ADDR = ORIGIN(itcm) + LENGTH(itcm);
DTCM_BASE_ADDR = ORIGIN(dtcm);
DTCM_END_ADDR = ORIGIN(dtcm) + LENGTH(dtcm);
FLASH_BASE_ADDR = ORIGIN(BOOT_HEADER);
FLASH_END_ADDR = ORIGIN(flash) + LENGTH(flash);

View File

@ -0,0 +1,124 @@
/****************************************************************************
* user-space.ld
*
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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.
*
****************************************************************************/
/* NOTE: This depends on the memory.ld script having been included prior to
* this script.
*/
EXTERN(userspace)
OUTPUT_ARCH(arm)
SECTIONS
{
.userspace : {
*(.userspace)
} > uflash
.text : {
_stext = ABSOLUTE(.);
*(.text .text.*)
*(.fixup)
*(.gnu.warning)
*(.rodata .rodata.*)
*(.gnu.linkonce.t.*)
*(.glue_7)
*(.glue_7t)
*(.got)
*(.gcc_except_table)
*(.gnu.linkonce.r.*)
_etext = ABSOLUTE(.);
} > uflash
/*
* Init functions (static constructors and the like)
*/
.init_section : {
_sinit = ABSOLUTE(.);
KEEP(*(.init_array .init_array.*))
_einit = ABSOLUTE(.);
} > uflash
.ARM.extab : {
*(.ARM.extab*)
} > uflash
__exidx_start = ABSOLUTE(.);
.ARM.exidx : {
*(.ARM.exidx*)
} > uflash
__exidx_end = ABSOLUTE(.);
_eronly = ABSOLUTE(.);
.data : {
_sdata = ABSOLUTE(.);
*(.data .data.*)
*(.gnu.linkonce.d.*)
CONSTRUCTORS
_edata = ABSOLUTE(.);
} > usram AT > uflash
.bss : {
_sbss = ABSOLUTE(.);
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
/* Kernel heap start at _ebss, make _ebss MPU-friendly aligned */
. = ALIGN(0x1000);
_ebss = ABSOLUTE(.);
} > usram
/* Stabs debugging sections */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_info 0 : { *(.debug_info) }
.debug_line 0 : { *(.debug_line) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_aranges 0 : { *(.debug_aranges) }
/* Start of the image signature. This
* has to be in the end of the image
*/
.signature : {
_boot_signature = ALIGN(4);
} > uflash
}