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1942812_ja-JP
1942812_ja-JP
こんにちは
私はimx93、非セキュアで作業しています。
これが私の問題です:私はlinux a55とm33の間の共有メモリとしてocramを使用したいと思います。
私はLinuxユーザースペーステストプログラムとm33テストプログラムの両方を持っていますが、どちらもocramにアクセスできますが、最初の96KB(20480000 - 20497ff)だけです。もっと手に入れることはできますか?フル640KB?
Linux テストプログラムは 0x20480000 で mmap を使用します。バスが0x20498000以上になるとバスエラーが発生します。
注:私はetosuやrpmsgをまったく使用しません。
Linuxはocramをどのように使用しますか?96KBを640KBに増やすことはできますか?
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