Re: [PATCH v4 21/30] riscv/traps: Introduce software check exception

2024-09-16 Thread Deepak Gupta
On Fri, Sep 13, 2024 at 09:35:50PM +0200, Andy Chiu wrote: Hi Deepak Deepak Gupta 於 2024年9月13日 週五 上午2:32寫道: zicfiss / zicfilp introduces a new exception to priv isa `software check exception` with cause code = 18. This patch implements software check exception. Additionally it implements a c

Re: [PATCH v4 21/30] riscv/traps: Introduce software check exception

2024-09-13 Thread Andy Chiu
Hi Deepak Deepak Gupta 於 2024年9月13日 週五 上午2:32寫道: > > zicfiss / zicfilp introduces a new exception to priv isa `software check > exception` with cause code = 18. This patch implements software check > exception. > > Additionally it implements a cfi violation handler which checks for code > in xtva

[PATCH v4 21/30] riscv/traps: Introduce software check exception

2024-09-12 Thread Deepak Gupta
zicfiss / zicfilp introduces a new exception to priv isa `software check exception` with cause code = 18. This patch implements software check exception. Additionally it implements a cfi violation handler which checks for code in xtval. If xtval=2, it means that sw check exception happened because