5848a8e77c
This revises PROTECTED build for qemu-rv mainly to avoid hard-coded addresses in linker scripts. It also added rv32 support, cleaned up config `pnsh64` and added config `pnsh`. Signed-off-by: Yanfeng Liu <yfliu2008@qq.com>
67 lines
2.2 KiB
Plaintext
67 lines
2.2 KiB
Plaintext
/****************************************************************************
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* boards/risc-v/qemu-rv/rv-virt/scripts/ld-protected.mem
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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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#include <nuttx/config.h>
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/* Memory layout for ld-protected.script and ld-userland.script
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*
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* |-CONFIG_RAM_START
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* | |-CONFIG_NUTTX_USERSPACE
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* +--------+----------+--------+--------+
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* | kflash | uflash | ksram | usram |
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* +--------+----------+--------+--------+
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* |>-- FLASH_SIZE ---<|>-- SRAM_SIZE --<|
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*
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*/
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#define KFLASH_ADDR (CONFIG_RAM_START)
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#define UFLASH_ADDR (CONFIG_NUTTX_USERSPACE)
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#define KFLASH_SIZE (UFLASH_ADDR - KFLASH_ADDR)
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#define UFLASH_SIZE (KFLASH_SIZE)
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#define FLASH_SIZE (0x100000) /* needs be POT */
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#define SRAM_SIZE (0x200000) /* needs be POT */
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#if KFLASH_SIZE < 0
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#error "Invalid KFLASH_SIZE!"
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#endif
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#if KFLASH_SIZE + UFLASH_SIZE > FLASH_SIZE
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#error "Adjust FLASH_SIZE please!"
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#endif
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#if CONFIG_RAM_SIZE < FLASH_SIZE + SRAM_SIZE
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#error "CONFIG_RAM_SIZE too small?"
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#endif
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#define KSRAM_SIZE (SRAM_SIZE / 2)
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#define USRAM_SIZE (SRAM_SIZE - KSRAM_SIZE)
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#define KSRAM_ADDR (KFLASH_ADDR + FLASH_SIZE)
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#define USRAM_ADDR (KSRAM_ADDR + KSRAM_SIZE)
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MEMORY
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{
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kflash (rx) : ORIGIN = KFLASH_ADDR, LENGTH = KFLASH_SIZE
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uflash (rx) : ORIGIN = UFLASH_ADDR, LENGTH = UFLASH_SIZE
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ksram (rwx) : ORIGIN = KSRAM_ADDR, LENGTH = KSRAM_SIZE
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usram (rwx) : ORIGIN = USRAM_ADDR, LENGTH = USRAM_SIZE
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}
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