Hello,
the ZynqMP APU RAM start addresses are far away from 0x0:
cat spec/build/bsps/aarch64/xilinx-zynqmp/optramori.yml
SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
actions:
- get-integer: null
- assert-uint32: null
- env-assign: null
- format-and-define: null
build-type: option
copyrights:
- Copyright (C) 2020 On-Line Applications Research (OAR)
default:
- enabled-by:
- aarch64/xilinx_zynqmp_lp64_a53
- aarch64/xilinx_zynqmp_ilp32_zu3eg
- aarch64/xilinx_zynqmp_lp64_cfc400x
- aarch64/xilinx_zynqmp_lp64_zu3eg
value: 0x10000000
- enabled-by: true
value: 0x40018000
description: |
base address of memory area available to the BSP
enabled-by: true
format: '{:#010x}'
links: []
name: BSP_XILINX_ZYNQMP_RAM_BASE
type: build
What is the rationale for doing this? Any objections to change the start
address to 0x0?
What is the MMU page size used by the BSPs? Would it be possible to add
a NULL pointer protection page?
--
embedded brains GmbH & Co. KG
Herr Sebastian HUBER
Dornierstr. 4
82178 Puchheim
Germany
email: sebastian.hu...@embedded-brains.de
phone: +49-89-18 94 741 - 16
fax: +49-89-18 94 741 - 08
Registergericht: Amtsgericht München
Registernummer: HRB 157899
Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas Dörfler
Unsere Datenschutzerklärung finden Sie hier:
https://embedded-brains.de/datenschutzerklaerung/
