mirror of
https://github.com/apache/nuttx.git
synced 2026-05-24 16:11:56 +08:00
fvp-v8r: protect build support
Enable fvp_userspace.c compilation when CONFIG_BUILD_PROTECTED is enabled, providing user-space isolation support for FVP platform. Include board memory map definitions for protected build configuration and update MPU regions for kernel/user space separation. Signed-off-by: hujun5 <hujun5@xiaomi.com>
This commit is contained in:
hujun5
GUIDINGLI
@@ -23,7 +23,7 @@
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include common/Make.defs
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# fvp-specific C source files
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CHIP_CSRCS = fvp_boot.c fvp_serial.c
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CHIP_CSRCS = fvp_boot.c fvp_serial.c fvp_v8r_allocateheap.c
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ifeq ($(CONFIG_ARCH_EARLY_PRINT),y)
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CHIP_ASRCS += fvp_lowputc.S
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@@ -43,6 +43,7 @@
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#include "chip.h"
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#include "fvp_boot.h"
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#include <arch/board/board_memorymap.h>
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#include <nuttx/serial/uart_pl011.h>
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/****************************************************************************
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@@ -51,35 +52,44 @@
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static const struct arm64_mpu_region g_mpu_regions[] =
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{
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/* Region 0 NuttX text */
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/* Region 0 NuttX ktext */
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MPU_REGION_ENTRY("nx_code",
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(uint64_t)_stext,
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(uint64_t)_etext,
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REGION_RAM_TEXT_ATTR),
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MPU_REGION_ENTRY("nx_ktext",
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(uint64_t)KTEXT_START,
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(uint64_t)KTEXT_END,
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REGION_RAM_TEXT_ATTR),
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/* Region 1 NuttX rodata */
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/* Region 1 NuttX kdata */
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MPU_REGION_ENTRY("nx_rodata",
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(uint64_t)_srodata,
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(uint64_t)_erodata,
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REGION_RAM_RO_ATTR),
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MPU_REGION_ENTRY("nx_kdata",
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(uint64_t)KSRAM_START,
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(uint64_t)KSRAM_END,
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REGION_RAM_ATTR),
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/* Region 2 NuttX data */
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#ifdef CONFIG_BUILD_PROTECTED
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/* Region 2 NuttX utext */
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MPU_REGION_ENTRY("nx_data",
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(uint64_t)_sdata,
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(uint64_t)CONFIG_RAMBANK_END,
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REGION_RAM_ATTR),
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MPU_REGION_ENTRY("nx_utext",
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(uint64_t)UTEXT_START,
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(uint64_t)UTEXT_END,
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REGION_RAM_UTEXT_ATTR),
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/* Region 3 device region */
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/* Region 3 NuttX udata */
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MPU_REGION_ENTRY("nx_udata",
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(uint64_t)USRAM_START,
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(uint64_t)USRAM_END,
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REGION_URAM_ATTR),
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#endif
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/* Region 4 device region */
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MPU_REGION_ENTRY("DEVICE1",
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(uint64_t)CONFIG_DEVICEIO1_BASEADDR,
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(uint64_t)CONFIG_DEVICEIO1_END,
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REGION_DEVICE_ATTR),
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/* Region 4 device region */
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/* Region 5 device region */
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MPU_REGION_ENTRY("DEVICE2",
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(uint64_t)CONFIG_DEVICEIO2_BASEADDR,
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@@ -0,0 +1,82 @@
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/****************************************************************************
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* arch/arm64/src/fvp-v8r/fvp_v8r_allocateheap.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <assert.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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#include <nuttx/board.h>
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#include <nuttx/userspace.h>
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#include <arch/board/board_memorymap.h>
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#include "arm64_internal.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* Terminology. In the flat build (CONFIG_BUILD_FLAT=y), there is only a
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* single heap access with the standard allocations (malloc/free). This
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* heap is referred to as the user heap. In the protected build
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* (CONFIG_BUILD_PROTECTED=y) where an MPU is used to protect a region of
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* otherwise flat memory, there will be two allocators: One that allocates
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* protected (kernel) memory and one that allocates unprotected (user)
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* memory. These are referred to as the kernel and user heaps,
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* respectively.
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*
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* The ARMv8 has no MPU but does have an MMU. With this MMU, it can support
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* the kernel build (CONFIG_BUILD_KERNEL=y). In this configuration, there
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* is one kernel heap but multiple user heaps: One per task group. However,
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* in this case, we need only be concerned about initializing the single
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* kernel heap here.
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*/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_allocate_kheap
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*
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* Description:
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* For the kernel build (CONFIG_BUILD_PROTECTED/KERNEL=y) with both kernel-
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* and user-space heaps (CONFIG_MM_KERNEL_HEAP=y), this function allocates
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* the kernel-space heap. A custom version of this function is needed if
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* memory protection of the kernel heap is required.
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*
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****************************************************************************/
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#if defined(CONFIG_BUILD_PROTECTED) && defined(CONFIG_MM_KERNEL_HEAP)
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void up_allocate_kheap(void **heap_start, size_t *heap_size)
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{
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*heap_start = g_idle_topstack;
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*heap_size = KSRAM_END - (size_t)g_idle_topstack;
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}
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#endif
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@@ -15,7 +15,7 @@ CONFIG_ARCH_CHIP_FVP_R82=y
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CONFIG_ARCH_EARLY_PRINT=y
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CONFIG_ARCH_INTERRUPTSTACK=4096
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CONFIG_ARM64_SMP_BUSY_WAIT=y
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CONFIG_ARM64_SMP_BUSY_WAIT_FLAG_ADDR=0x60000
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CONFIG_ARM64_SMP_BUSY_WAIT_FLAG_ADDR=0x4000000
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CONFIG_ARM64_STRING_FUNCTION=y
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CONFIG_BUILTIN=y
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CONFIG_DEBUG_ASSERTIONS=y
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@@ -0,0 +1,85 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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CONFIG_ARCH="arm64"
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CONFIG_ARCH_ADDRENV=y
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CONFIG_ARCH_ARM64=y
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CONFIG_ARCH_BOARD="fvp-armv8r"
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CONFIG_ARCH_BOARD_FVP_ARMV8R=y
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CONFIG_ARCH_CHIP="fvp-v8r"
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CONFIG_ARCH_CHIP_FVP_ARMV8R=y
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CONFIG_ARCH_CHIP_FVP_R82=y
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CONFIG_ARCH_EARLY_PRINT=y
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CONFIG_ARCH_INTERRUPTSTACK=4096
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CONFIG_ARCH_KERNEL_STACK=y
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CONFIG_ARCH_KERNEL_STACKSIZE=8192
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CONFIG_ARCH_USE_MPU=y
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CONFIG_ARM64_STRING_FUNCTION=y
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CONFIG_BUILD_PROTECTED=y
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CONFIG_BUILTIN=y
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CONFIG_DEBUG_ASSERTIONS=y
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CONFIG_DEBUG_FEATURES=y
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CONFIG_DEBUG_FULLOPT=y
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CONFIG_DEBUG_SCHED=y
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CONFIG_DEBUG_SCHED_ERROR=y
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CONFIG_DEBUG_SCHED_WARN=y
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CONFIG_DEBUG_SYMBOLS=y
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CONFIG_DEFAULT_TASK_STACKSIZE=8192
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CONFIG_EXAMPLES_HELLO=y
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CONFIG_EXPERIMENTAL=y
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CONFIG_FS_PROCFS=y
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CONFIG_FS_PROCFS_REGISTER=y
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CONFIG_FS_ROMFS=y
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CONFIG_IDLETHREAD_STACKSIZE=8192
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CONFIG_INIT_ENTRYPOINT="nsh_main"
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CONFIG_INTELHEX_BINARY=y
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CONFIG_MM_KERNEL_HEAPSIZE=524288
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_READLINE=y
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CONFIG_NUTTX_USERSPACE=0x800000
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CONFIG_PASS1_BUILDIR="boards/arm64/fvp-v8r/fvp-armv8r/kernel"
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_PTHREAD_STACK_MIN=8192
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CONFIG_RAMLOG=y
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CONFIG_RAM_SIZE=16777216
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CONFIG_RAM_START=0
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CONFIG_RAW_BINARY=y
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CONFIG_READLINE_CMD_HISTORY=y
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_HPWORK=y
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CONFIG_SCHED_HPWORKPRIORITY=192
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CONFIG_SCHED_LPWORK=y
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CONFIG_SPINLOCK=y
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CONFIG_STACK_COLORATION=y
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CONFIG_START_MONTH=3
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CONFIG_START_YEAR=2022
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CONFIG_SYMTAB_ORDEREDBYNAME=y
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CONFIG_SYSLOG_PROCESSID=y
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CONFIG_SYSLOG_PROCESS_NAME=y
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CONFIG_SYSTEM_NSH=y
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CONFIG_SYSTEM_SYSTEM=y
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CONFIG_SYSTEM_TIME64=y
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CONFIG_TESTING_GETPRIME=y
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CONFIG_TESTING_OSTEST=y
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CONFIG_TESTING_OSTEST_FPUTESTDISABLE=y
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CONFIG_UART0_BASE=0x9c090000
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CONFIG_UART0_IRQ=37
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CONFIG_UART0_PL011=y
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CONFIG_UART1_BASE=0x9c0a0000
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CONFIG_UART1_IRQ=38
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CONFIG_UART1_PL011=y
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CONFIG_UART1_SERIAL_CONSOLE=y
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CONFIG_UART2_BASE=0x9c0b0000
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CONFIG_UART2_IRQ=39
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CONFIG_UART2_PL011=y
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CONFIG_UART3_BASE=0x9c0c0000
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CONFIG_UART3_IRQ=40
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CONFIG_UART3_PL011=y
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CONFIG_UART_PL011=y
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CONFIG_USEC_PER_TICK=1000
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@@ -0,0 +1,90 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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CONFIG_ARCH="arm64"
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CONFIG_ARCH_ADDRENV=y
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CONFIG_ARCH_ARM64=y
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CONFIG_ARCH_BOARD="fvp-armv8r"
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CONFIG_ARCH_BOARD_FVP_ARMV8R=y
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CONFIG_ARCH_CHIP="fvp-v8r"
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CONFIG_ARCH_CHIP_FVP_ARMV8R=y
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CONFIG_ARCH_CHIP_FVP_R82=y
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CONFIG_ARCH_EARLY_PRINT=y
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CONFIG_ARCH_INTERRUPTSTACK=4096
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CONFIG_ARCH_KERNEL_STACK=y
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CONFIG_ARCH_KERNEL_STACKSIZE=8192
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CONFIG_ARCH_USE_MPU=y
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CONFIG_ARM64_SMP_BUSY_WAIT=y
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CONFIG_ARM64_SMP_BUSY_WAIT_FLAG_ADDR=0x400000
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CONFIG_ARM64_STRING_FUNCTION=y
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CONFIG_BUILD_PROTECTED=y
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CONFIG_BUILTIN=y
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CONFIG_DEBUG_ASSERTIONS=y
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CONFIG_DEBUG_FEATURES=y
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CONFIG_DEBUG_FULLOPT=y
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CONFIG_DEBUG_SCHED=y
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CONFIG_DEBUG_SCHED_ERROR=y
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CONFIG_DEBUG_SCHED_WARN=y
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CONFIG_DEBUG_SYMBOLS=y
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CONFIG_DEFAULT_TASK_STACKSIZE=8192
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CONFIG_EXAMPLES_HELLO=y
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CONFIG_EXPERIMENTAL=y
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CONFIG_FS_PROCFS=y
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CONFIG_FS_PROCFS_REGISTER=y
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CONFIG_FS_ROMFS=y
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CONFIG_IDLETHREAD_STACKSIZE=8192
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CONFIG_INIT_ENTRYPOINT="nsh_main"
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CONFIG_INTELHEX_BINARY=y
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CONFIG_MM_KERNEL_HEAPSIZE=524288
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_READLINE=y
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CONFIG_NUTTX_USERSPACE=0x800000
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CONFIG_PASS1_BUILDIR="boards/arm64/fvp-v8r/fvp-armv8r/kernel"
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_PTHREAD_STACK_MIN=8192
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CONFIG_RAMLOG=y
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CONFIG_RAM_SIZE=16777216
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CONFIG_RAM_START=0
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CONFIG_RAW_BINARY=y
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CONFIG_READLINE_CMD_HISTORY=y
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_HPWORK=y
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CONFIG_SCHED_HPWORKPRIORITY=192
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CONFIG_SCHED_LPWORK=y
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CONFIG_SMP=y
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CONFIG_STACK_COLORATION=y
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CONFIG_START_MONTH=3
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CONFIG_START_YEAR=2022
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CONFIG_SYMTAB_ORDEREDBYNAME=y
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CONFIG_SYSLOG_BUFFER=y
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CONFIG_SYSLOG_PROCESSID=y
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CONFIG_SYSLOG_PROCESS_NAME=y
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CONFIG_SYSTEM_NSH=y
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CONFIG_SYSTEM_SYSTEM=y
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CONFIG_SYSTEM_TASKSET=y
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CONFIG_SYSTEM_TIME64=y
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CONFIG_TESTING_GETPRIME=y
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CONFIG_TESTING_OSTEST=y
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CONFIG_TESTING_OSTEST_FPUTESTDISABLE=y
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CONFIG_TESTING_SMP=y
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CONFIG_UART0_BASE=0x9c090000
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CONFIG_UART0_IRQ=37
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CONFIG_UART0_PL011=y
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CONFIG_UART1_BASE=0x9c0a0000
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CONFIG_UART1_IRQ=38
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CONFIG_UART1_PL011=y
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CONFIG_UART1_SERIAL_CONSOLE=y
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CONFIG_UART2_BASE=0x9c0b0000
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CONFIG_UART2_IRQ=39
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CONFIG_UART2_PL011=y
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CONFIG_UART3_BASE=0x9c0c0000
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CONFIG_UART3_IRQ=40
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CONFIG_UART3_PL011=y
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CONFIG_UART_PL011=y
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CONFIG_USEC_PER_TICK=1000
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@@ -52,6 +52,42 @@ extern "C"
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* Public Function Prototypes
|
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****************************************************************************/
|
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#ifdef CONFIG_BUILD_PROTECTED
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/* Split SRAM between kernel and user spaces */
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# define KTEXT_SIZE (CONFIG_RAM_SIZE / 4)
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# define KSRAM_SIZE (CONFIG_RAM_SIZE / 4)
|
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# define UTEXT_SIZE (CONFIG_RAM_SIZE / 4)
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# define USRAM_SIZE (CONFIG_RAM_SIZE / 4)
|
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#else
|
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/* Give All RAM to kernel */
|
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|
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# define KTEXT_SIZE (CONFIG_RAM_SIZE / 2)
|
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# define KSRAM_SIZE (CONFIG_RAM_SIZE / 2)
|
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# define UTEXT_SIZE 0
|
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# define USRAM_SIZE 0
|
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#endif
|
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|
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/* Kernel code memory (RX) */
|
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|
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#define KTEXT_START CONFIG_RAM_START
|
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#define KTEXT_END (KTEXT_START + KTEXT_SIZE)
|
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|
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/* Kernel RAM (RW) */
|
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|
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#define KSRAM_START KTEXT_END
|
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#define KSRAM_END (KSRAM_START + KSRAM_SIZE)
|
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|
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/* User code memory (RX) */
|
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|
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#define UTEXT_START KSRAM_END
|
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#define UTEXT_END (UTEXT_START + UTEXT_SIZE)
|
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|
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/* User RAM (RW) */
|
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|
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#define USRAM_START UTEXT_END
|
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#define USRAM_END (USRAM_START + USRAM_SIZE)
|
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|
||||
#undef EXTERN
|
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#if defined(__cplusplus)
|
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}
|
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|
||||
@@ -0,0 +1 @@
|
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/nuttx_user*
|
||||
@@ -0,0 +1,98 @@
|
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############################################################################
|
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# boards/arm/qemu/qemu-armv7r/kernel/Makefile
|
||||
#
|
||||
# SPDX-License-Identifier: Apache-2.0
|
||||
#
|
||||
# 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 = $(call CONVERT_PATH,$(BOARD_DIR)$(DELIM)scripts$(DELIM)nuttx_user.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) -T $(addsuffix .tmp,$(USER_LDSCRIPT))
|
||||
USER_LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(USERLIBS))))
|
||||
USER_LIBGCC = "${shell "$(CC)" $(ARCHCPUFLAGS) -print-libgcc-file-name}"
|
||||
|
||||
# Source files
|
||||
|
||||
CSRCS = fvp_userspace.c
|
||||
COBJS = $(CSRCS:.c=$(OBJEXT))
|
||||
OBJS = $(COBJS)
|
||||
|
||||
# Targets:
|
||||
|
||||
all: $(TOPDIR)$(DELIM)nuttx_user $(TOPDIR)$(DELIM)User.map
|
||||
.PHONY: nuttx_user depend clean distclean
|
||||
|
||||
$(COBJS): %$(OBJEXT): %.c
|
||||
$(call COMPILE, $<, $@)
|
||||
|
||||
$(addsuffix .tmp,$(USER_LDSCRIPT)): $(USER_LDSCRIPT)
|
||||
$(call PREPROCESS,$(patsubst %.tmp,%,$@),$@)
|
||||
|
||||
# Create the nuttx_user file containing all of the user-mode code
|
||||
|
||||
nuttx_user: $(OBJS) $(addsuffix .tmp,$(USER_LDSCRIPT))
|
||||
$(Q) $(LD) -o $@ $(USER_LDFLAGS) $(USER_LIBPATHS) $(OBJS) --start-group $(USER_LDLIBS) $(USER_LIBGCC) --end-group
|
||||
|
||||
$(TOPDIR)$(DELIM)nuttx_user: nuttx_user
|
||||
@echo "LD: nuttx_user"
|
||||
$(Q) cp -a nuttx_user $(TOPDIR)$(DELIM)nuttx_user
|
||||
ifeq ($(CONFIG_INTELHEX_BINARY),y)
|
||||
@echo "CP: nuttx_user.hex"
|
||||
$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O ihex nuttx_user $(USER_HEXFILE)
|
||||
endif
|
||||
ifeq ($(CONFIG_MOTOROLA_SREC),y)
|
||||
@echo "CP: nuttx_user.srec"
|
||||
$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O srec nuttx_user $(USER_SRECFILE)
|
||||
endif
|
||||
ifeq ($(CONFIG_RAW_BINARY),y)
|
||||
@echo "CP: nuttx_user.bin"
|
||||
$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O binary nuttx_user $(USER_BINFILE)
|
||||
endif
|
||||
$(Q) $(call DELFILE, $(addsuffix .tmp,$(USER_LDSCRIPT)))
|
||||
|
||||
$(TOPDIR)$(DELIM)User.map: nuttx_user
|
||||
@echo "MK: User.map"
|
||||
$(Q) $(NM) nuttx_user >$(TOPDIR)$(DELIM)User.map
|
||||
$(Q) $(CROSSDEV)size nuttx_user
|
||||
|
||||
.depend:
|
||||
|
||||
depend: .depend
|
||||
|
||||
clean:
|
||||
$(call DELFILE, nuttx_user)
|
||||
$(call DELFILE, $(addsuffix .tmp,$(USER_LDSCRIPT)))
|
||||
$(call DELFILE, "$(TOPDIR)$(DELIM)nuttx_user.*")
|
||||
$(call DELFILE, "$(TOPDIR)$(DELIM)User.map")
|
||||
$(call CLEAN)
|
||||
|
||||
distclean: clean
|
||||
@@ -0,0 +1,124 @@
|
||||
/****************************************************************************
|
||||
* boards/arm64/fvp-v8r/fvp-armv8r/kernel/fvp_userspace.c
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* 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/arch.h>
|
||||
#include <nuttx/mm/mm.h>
|
||||
#include <nuttx/wqueue.h>
|
||||
#include <nuttx/userspace.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 != 0x800000
|
||||
# error "CONFIG_NUTTX_USERSPACE must be 0x800000 to match memory.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 */
|
||||
static void sig_trampoline(void) naked_function;
|
||||
static void sig_trampoline(void)
|
||||
{
|
||||
__asm__ __volatile__
|
||||
(
|
||||
" sub sp, sp, #16\n" /* Create a stack frame to hold LR */
|
||||
" str lr, [sp, #0]\n" /* Save LR on the stack */
|
||||
" mov ip0, x0\n" /* IP=sighand */
|
||||
" mov x0, x1\n" /* R0=signo */
|
||||
" mov x1, x2\n" /* R1=info */
|
||||
" mov x2, x3\n" /* R2=ucontext */
|
||||
" blr ip0\n" /* Call the signal handler */
|
||||
" ldr lr, [sp, #0]\n" /* Recover LR in R2 */
|
||||
" add sp, sp, #16\n" /* Destroy the stack frame */
|
||||
" mov x0, %0\n" /* SYS_signal_handler_return */
|
||||
" svc %1\n" /* Return from the SYSCALL */
|
||||
:
|
||||
: "i"(SYS_signal_handler_return),
|
||||
"i"(SYS_syscall)
|
||||
:
|
||||
);
|
||||
}
|
||||
|
||||
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 = (void *)sig_trampoline,
|
||||
|
||||
/* 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__ */
|
||||
@@ -20,114 +20,106 @@
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include "memory.ld"
|
||||
|
||||
OUTPUT_ARCH(aarch64)
|
||||
|
||||
ENTRY(__start)
|
||||
|
||||
PHDRS
|
||||
{
|
||||
text PT_LOAD ;
|
||||
}
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
. = 0x00000000; /* load address */
|
||||
_start = .;
|
||||
/* where the global variable out-of-bounds detection information located */
|
||||
.text : {
|
||||
_stext = .; /* Text section */
|
||||
*(.start .start.*) /* Place __start here */
|
||||
*(.text)
|
||||
*(.text.cold)
|
||||
*(.text.unlikely)
|
||||
*(.fixup)
|
||||
*(.gnu.warning)
|
||||
} :text = 0x9090
|
||||
_stext = .; /* Text section */
|
||||
*(.start .start.*)
|
||||
*(.vectors*)
|
||||
*(.exc_vector_table*)
|
||||
*(.text*)
|
||||
*(.fixup)
|
||||
*(.gnu.warning)
|
||||
_etext = .; /* End_1 of .text */
|
||||
_sztext = _etext - _stext;
|
||||
} > ktext
|
||||
|
||||
.ARM.extab :
|
||||
{
|
||||
*(.ARM.extab*)
|
||||
} > ktext
|
||||
|
||||
/* .ARM.exidx is sorted, so has to go in its own output section. */
|
||||
|
||||
PROVIDE_HIDDEN (__exidx_start = .);
|
||||
.ARM.exidx :
|
||||
{
|
||||
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
|
||||
} > ktext
|
||||
PROVIDE_HIDDEN (__exidx_end = .);
|
||||
|
||||
. = ALIGN(4096);
|
||||
|
||||
.init_section : {
|
||||
_sinit = ABSOLUTE(.);
|
||||
KEEP(*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
|
||||
KEEP(*(.init_array EXCLUDE_FILE(*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o) .ctors))
|
||||
_einit = ABSOLUTE(.);
|
||||
}
|
||||
|
||||
. = ALIGN(4096);
|
||||
|
||||
.vector : {
|
||||
_vector_start = .;
|
||||
KEEP(*(.exc_vector_table))
|
||||
KEEP(*(".exc_vector_table.*"))
|
||||
KEEP(*(.vectors))
|
||||
_vector_end = .;
|
||||
} :text
|
||||
. = ALIGN(4096);
|
||||
_etext = .; /* End_1 of .text */
|
||||
_sztext = _etext - _stext;
|
||||
|
||||
. = ALIGN(4096);
|
||||
.rodata : {
|
||||
_srodata = .; /* Read-only data */
|
||||
*(.rodata)
|
||||
*(.rodata.*)
|
||||
*(.data.rel.ro)
|
||||
*(.data.rel.ro.*)
|
||||
} :text
|
||||
. = ALIGN(4096);
|
||||
_erodata = .; /* End of read-only data */
|
||||
_szrodata = _erodata - _srodata;
|
||||
_eronly = .; /* End of read-only data */
|
||||
|
||||
. = ALIGN(4096);
|
||||
.data : { /* Data */
|
||||
_sdata = .;
|
||||
*(.data.page_aligned)
|
||||
*(.data)
|
||||
. = ALIGN(8);
|
||||
__start_impls = .;
|
||||
*(.impls)
|
||||
KEEP(*(.impls))
|
||||
. = ALIGN(4);
|
||||
__stop_impls = .;
|
||||
*(.data.rel)
|
||||
*(.data.rel.*)
|
||||
CONSTRUCTORS
|
||||
} :text
|
||||
_edata = .; /* End+1 of .data */
|
||||
|
||||
#if defined(CONFIG_SMP) && defined(CONFIG_ARM64_SMP_BUSY_WAIT)
|
||||
. = CONFIG_ARM64_SMP_BUSY_WAIT_FLAG_ADDR + 4;
|
||||
#endif
|
||||
|
||||
.bss : { /* BSS */
|
||||
. = ALIGN(8);
|
||||
_sbss = .;
|
||||
*(.bss)
|
||||
. = ALIGN(8);
|
||||
} :text
|
||||
. = ALIGN(4096);
|
||||
_ebss = .;
|
||||
_sbss = . ;
|
||||
#if defined(CONFIG_SMP) && defined(CONFIG_ARM64_SMP_BUSY_WAIT)
|
||||
. = . + 0x4; /* Busy Wait Flag */
|
||||
#endif
|
||||
*(.bss*)
|
||||
. = ALIGN(4096);
|
||||
_ebss = .;
|
||||
} > ksram
|
||||
|
||||
_szbss = _ebss - _sbss;
|
||||
|
||||
.init_section : {
|
||||
_sinit = ABSOLUTE(.);
|
||||
KEEP(*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
|
||||
KEEP(*(.init_array EXCLUDE_FILE(*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o) .ctors))
|
||||
_einit = ABSOLUTE(.);
|
||||
. = ALIGN(4096);
|
||||
} > ksram
|
||||
|
||||
.rodata : {
|
||||
_srodata = .; /* Read-only data */
|
||||
*(.rodata*)
|
||||
*(.data.rel.ro*)
|
||||
KEEP(*(SORT(.scattered_array*)));
|
||||
. = ALIGN(4096);
|
||||
_erodata = .;
|
||||
} > ksram
|
||||
|
||||
.data : { /* Data */
|
||||
_sdata = .;
|
||||
*(.data*)
|
||||
. = ALIGN(8);
|
||||
__start_impls = .;
|
||||
*(.impls)
|
||||
KEEP(*(.impls))
|
||||
. = ALIGN(4);
|
||||
__stop_impls = .;
|
||||
_edata = .;
|
||||
} > ksram
|
||||
|
||||
.noinit : {
|
||||
_snoinit = ABSOLUTE(.);
|
||||
*(.noinit*)
|
||||
_enoinit = ABSOLUTE(.);
|
||||
. = + 60;
|
||||
} > ksram
|
||||
|
||||
. = ALIGN(4096);
|
||||
.initstack : { /* INIT STACK */
|
||||
_s_initstack = .;
|
||||
*(.initstack)
|
||||
. = ALIGN(16);
|
||||
} :text
|
||||
} > ksram
|
||||
. = ALIGN(4096);
|
||||
_e_initstack = . ;
|
||||
g_idle_topstack = . ;
|
||||
|
||||
_szdata = _e_initstack - _sdata;
|
||||
|
||||
/* Sections to be discarded */
|
||||
/DISCARD/ : {
|
||||
*(.exit.text)
|
||||
*(.exit.data)
|
||||
*(.exitcall.exit)
|
||||
*(.eh_frame)
|
||||
}
|
||||
|
||||
/* Stabs debugging sections. */
|
||||
@@ -138,5 +130,34 @@ SECTIONS
|
||||
.stab.index 0 : { *(.stab.index) }
|
||||
.stab.indexstr 0 : { *(.stab.indexstr) }
|
||||
.comment 0 : { *(.comment) }
|
||||
|
||||
/* DWARF debug sections.
|
||||
Symbols in the DWARF debugging sections are relative to the beginning
|
||||
of the section so we begin them at 0. */
|
||||
|
||||
/* DWARF 1 */
|
||||
|
||||
.debug 0 : { *(.debug) }
|
||||
.line 0 : { *(.line) }
|
||||
|
||||
/* GNU DWARF 1 extensions */
|
||||
|
||||
.debug_srcinfo 0 : { *(.debug_srcinfo) }
|
||||
.debug_sfnames 0 : { *(.debug_sfnames) }
|
||||
|
||||
/* DWARF 1.1 and DWARF 2 */
|
||||
|
||||
.debug_aranges 0 : { *(.debug_aranges) }
|
||||
.debug_pubnames 0 : { *(.debug_pubnames) }
|
||||
|
||||
/* DWARF 2 */
|
||||
|
||||
.debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
|
||||
.debug_abbrev 0 : { *(.debug_abbrev) }
|
||||
.debug_line 0 : { *(.debug_line) }
|
||||
.debug_frame 0 : { *(.debug_frame) }
|
||||
.debug_str 0 : { *(.debug_str) }
|
||||
.debug_loc 0 : { *(.debug_loc) }
|
||||
.debug_macinfo 0 : { *(.debug_macinfo) }
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,32 @@
|
||||
/****************************************************************************
|
||||
* boards/arm/qemu/qemu-armv7r/scripts/memory.ld
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* 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 <nuttx/config.h>
|
||||
#include <arch/board/board_memorymap.h>
|
||||
|
||||
MEMORY
|
||||
{
|
||||
ktext (rwx) : ORIGIN = KTEXT_START, LENGTH = KTEXT_SIZE
|
||||
ksram (rwx) : ORIGIN = KSRAM_START, LENGTH = KSRAM_SIZE
|
||||
utext (rwx) : ORIGIN = UTEXT_START, LENGTH = UTEXT_SIZE
|
||||
usram (rwx) : ORIGIN = USRAM_START, LENGTH = USRAM_SIZE
|
||||
}
|
||||
@@ -0,0 +1,128 @@
|
||||
/****************************************************************************
|
||||
* boards/arm/qemu/qemu-armv7r/scripts/nuttx_user.ld
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* 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 "memory.ld"
|
||||
|
||||
OUTPUT_ARCH(aarch64)
|
||||
SECTIONS
|
||||
{
|
||||
.userspace : {
|
||||
KEEP(*(.userspace))
|
||||
} > utext
|
||||
|
||||
.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(.);
|
||||
} > utext
|
||||
|
||||
.init_section : {
|
||||
_sinit = ABSOLUTE(.);
|
||||
KEEP(*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
|
||||
KEEP(*(.init_array EXCLUDE_FILE(*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o) .ctors))
|
||||
_einit = ABSOLUTE(.);
|
||||
} > usram
|
||||
|
||||
.ARM.extab : {
|
||||
*(.ARM.extab*)
|
||||
} > usram
|
||||
|
||||
__exidx_start = ABSOLUTE(.);
|
||||
.ARM.exidx : {
|
||||
*(.ARM.exidx*)
|
||||
} > usram
|
||||
|
||||
__exidx_end = ABSOLUTE(.);
|
||||
|
||||
_eronly = ABSOLUTE(.);
|
||||
|
||||
.bss : {
|
||||
_sbss = ABSOLUTE(.);
|
||||
*(.bss .bss.*)
|
||||
*(.gnu.linkonce.b.*)
|
||||
*(COMMON)
|
||||
. = ALIGN(4);
|
||||
_ebss = ABSOLUTE(.);
|
||||
} > usram
|
||||
|
||||
.data : {
|
||||
_sdata = ABSOLUTE(.);
|
||||
*(.data .data.*)
|
||||
*(.gnu.linkonce.d.*)
|
||||
CONSTRUCTORS
|
||||
. = ALIGN(4);
|
||||
_edata = 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) }
|
||||
|
||||
/* DWARF debug sections.
|
||||
Symbols in the DWARF debugging sections are relative to the beginning
|
||||
of the section so we begin them at 0. */
|
||||
|
||||
/* DWARF 1 */
|
||||
|
||||
.debug 0 : { *(.debug) }
|
||||
.line 0 : { *(.line) }
|
||||
|
||||
/* GNU DWARF 1 extensions */
|
||||
|
||||
.debug_srcinfo 0 : { *(.debug_srcinfo) }
|
||||
.debug_sfnames 0 : { *(.debug_sfnames) }
|
||||
|
||||
/* DWARF 1.1 and DWARF 2 */
|
||||
|
||||
.debug_aranges 0 : { *(.debug_aranges) }
|
||||
.debug_pubnames 0 : { *(.debug_pubnames) }
|
||||
|
||||
/* DWARF 2 */
|
||||
|
||||
.debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
|
||||
.debug_abbrev 0 : { *(.debug_abbrev) }
|
||||
.debug_line 0 : { *(.debug_line) }
|
||||
.debug_frame 0 : { *(.debug_frame) }
|
||||
.debug_str 0 : { *(.debug_str) }
|
||||
.debug_loc 0 : { *(.debug_loc) }
|
||||
.debug_macinfo 0 : { *(.debug_macinfo) }
|
||||
}
|
||||
Reference in New Issue
Block a user