Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv tr

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Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv tr

From:	Richard Henderson
Subject:	Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions
Date:	Tue, 27 Aug 2024 13:58:19 +1000
User-agent:	Mozilla Thunderbird

On 8/27/24 13:53, Alistair Francis wrote:

Exposing the *envcfg CSRs to userspace seems tricky as everything is
currently built with the S/M CSRs removed from user builds.

It is as simple as moving them out of ifdefs, then initializing them as needed in resetfor CONFIG_USER_ONLY. That's what we do for Arm.

r~

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[PATCH v9 00/17] riscv support for control flow integrity extensions, Deepak Gupta, 2024/08/26
- [PATCH v9 01/17] target/riscv: Add zicfilp extension, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 01/17] target/riscv: Add zicfilp extension, Alistair Francis, 2024/08/26
- [PATCH v9 02/17] target/riscv: Introduce elp state and enabling controls for zicfilp, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 02/17] target/riscv: Introduce elp state and enabling controls for zicfilp, Alistair Francis, 2024/08/26
- [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions, Richard Henderson, 2024/08/26
    - Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions, Deepak Gupta, 2024/08/26
    - Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions, Richard Henderson, 2024/08/26
    - Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions, Alistair Francis, 2024/08/26
    - Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions, Richard Henderson <=
    - Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions, Alistair Francis, 2024/08/27
    - Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions, Richard Henderson, 2024/08/27
    - Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions, Alistair Francis, 2024/08/27
- [PATCH v9 05/17] target/riscv: tracking indirect branches (fcfi) for zicfilp, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 05/17] target/riscv: tracking indirect branches (fcfi) for zicfilp, Alistair Francis, 2024/08/26
- [PATCH v9 04/17] target/riscv: additional code information for sw check, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 04/17] target/riscv: additional code information for sw check, Alistair Francis, 2024/08/26
- [PATCH v9 07/17] disas/riscv: enable `lpad` disassembly, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 07/17] disas/riscv: enable `lpad` disassembly, Alistair Francis, 2024/08/27
- [PATCH v9 09/17] target/riscv: introduce ssp and enabling controls for zicfiss, Deepak Gupta, 2024/08/26

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