incubator-nuttx/boards/risc-v/qemu-rv/rv-virt/include/board_memorymap.h

99 lines
3.2 KiB
C

/****************************************************************************
* boards/risc-v/qemu-rv/rv-virt/include/board_memorymap.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 __BOARDS_RISCV_QEMURV_RVVIRT_INCLUDE_BOARD_MEMORYMAP_H
#define __BOARDS_RISCV_QEMURV_RVVIRT_INCLUDE_BOARD_MEMORYMAP_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdint.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* DDR start address */
#define QEMURV_DDR_BASE (0x80000000)
#define QEMURV_DDR_SIZE (0x40000000)
/* Kernel code memory (RX) */
#define KFLASH_START (uintptr_t)&__kflash_start
#define KFLASH_SIZE (uintptr_t)&__kflash_size
#define KSRAM_START (uintptr_t)&__ksram_start
#define KSRAM_SIZE (uintptr_t)&__ksram_size
#define KSRAM_END (uintptr_t)&__ksram_end
/* Kernel RAM (RW) */
#define PGPOOL_START (uintptr_t)&__pgheap_start
#define PGPOOL_SIZE (uintptr_t)&__pgheap_size
/* Page pool (RWX) */
#define PGPOOL_START (uintptr_t)&__pgheap_start
#define PGPOOL_SIZE (uintptr_t)&__pgheap_size
#define PGPOOL_END (PGPOOL_START + PGPOOL_SIZE)
/* User flash */
#define UFLASH_START (uintptr_t)&__uflash_start
#define UFLASH_SIZE (uintptr_t)&__uflash_size
/* User RAM */
#define USRAM_START (uintptr_t)&__usram_start
#define USRAM_SIZE (uintptr_t)&__usram_size
/****************************************************************************
* Public Data
****************************************************************************/
/* Kernel code memory (RX) */
extern uintptr_t __kflash_start;
extern uintptr_t __kflash_size;
/* Kernel RAM (RW) */
extern uintptr_t __ksram_start;
extern uintptr_t __ksram_size;
extern uintptr_t __ksram_end;
/* Page pool (RWX) */
extern uintptr_t __pgheap_start;
extern uintptr_t __pgheap_size;
/* User code memory (RX) */
extern uintptr_t __uflash_start;
extern uintptr_t __uflash_size;
/* User RAM (RW) */
extern uintptr_t __usram_start;
extern uintptr_t __usram_size;
#endif /* __BOARDS_RISC_V_QEMURV_RVVIRT_INCLUDE_BOARD_MEMORYMAP_H */