From: Richard Henderson <richard.henderson@linaro.org>
To: Alistair Francis <alistair23@gmail.com>
Cc: Deepak Gupta <debug@rivosinc.com>,
qemu-riscv@nongnu.org, qemu-devel@nongnu.org, palmer@dabbelt.com,
Alistair.Francis@wdc.com, bmeng.cn@gmail.com,
liwei1518@gmail.com, dbarboza@ventanamicro.com,
zhiwei_liu@linux.alibaba.com, jim.shu@sifive.com,
andy.chiu@sifive.com, kito.cheng@sifive.com
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 [thread overview]
Message-ID: <db8fa0c7-5c8b-45ca-a0e2-e660ffe7cd42@linaro.org> (raw)
In-Reply-To: <CAKmqyKOni_x8bw_3TfdV=xGg0MX-NPnPgo84dsKojdRqO_j36g@mail.gmail.com>
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 reset
for CONFIG_USER_ONLY. That's what we do for Arm.
r~
next prev parent reply other threads:[~2024-08-27 3:58 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-26 15:29 [PATCH v9 00/17] riscv support for control flow integrity extensions Deepak Gupta
2024-08-26 15:29 ` [PATCH v9 01/17] target/riscv: Add zicfilp extension Deepak Gupta
2024-08-27 2:16 ` Alistair Francis
2024-08-26 15:29 ` [PATCH v9 02/17] target/riscv: Introduce elp state and enabling controls for zicfilp Deepak Gupta
2024-08-27 2:58 ` Alistair Francis
2024-08-26 15:29 ` [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions Deepak Gupta
2024-08-27 0:33 ` Richard Henderson
2024-08-27 0:52 ` Deepak Gupta
2024-08-27 1:34 ` Richard Henderson
2024-08-27 3:53 ` Alistair Francis
2024-08-27 3:58 ` Richard Henderson [this message]
2024-08-27 4:03 ` Alistair Francis
2024-08-27 4:29 ` Richard Henderson
2024-08-27 5:47 ` Alistair Francis
2024-08-26 15:29 ` [PATCH v9 04/17] target/riscv: additional code information for sw check Deepak Gupta
2024-08-27 3:55 ` Alistair Francis
2024-08-26 15:29 ` [PATCH v9 05/17] target/riscv: tracking indirect branches (fcfi) for zicfilp Deepak Gupta
2024-08-27 3:58 ` Alistair Francis
2024-08-26 15:29 ` [PATCH v9 06/17] target/riscv: zicfilp `lpad` impl and branch tracking Deepak Gupta
2024-08-27 4:14 ` Alistair Francis
2024-08-26 15:29 ` [PATCH v9 07/17] disas/riscv: enable `lpad` disassembly Deepak Gupta
2024-08-27 4:15 ` Alistair Francis
2024-08-26 15:29 ` [PATCH v9 08/17] target/riscv: Add zicfiss extension Deepak Gupta
2024-08-27 4:20 ` Alistair Francis
2024-08-26 15:29 ` [PATCH v9 09/17] target/riscv: introduce ssp and enabling controls for zicfiss Deepak Gupta
2024-08-26 15:29 ` [PATCH v9 10/17] target/riscv: tb flag for shadow stack instructions Deepak Gupta
2024-08-27 5:51 ` Alistair Francis
2024-08-26 15:29 ` [PATCH v9 11/17] target/riscv: mmu changes for zicfiss shadow stack protection Deepak Gupta
2024-08-27 5:59 ` Alistair Francis
2024-08-27 23:06 ` Deepak Gupta
2024-08-26 15:29 ` [PATCH v9 12/17] target/riscv: AMO operations always raise store/AMO fault Deepak Gupta
2024-08-27 0:34 ` Richard Henderson
2024-08-26 15:29 ` [PATCH v9 13/17] target/riscv: update `decode_save_opc` to store extra word2 Deepak Gupta
2024-08-27 0:35 ` Richard Henderson
2024-08-26 15:29 ` [PATCH v9 14/17] target/riscv: implement zicfiss instructions Deepak Gupta
2024-08-26 15:29 ` [PATCH v9 15/17] target/riscv: compressed encodings for sspush and sspopchk Deepak Gupta
2024-08-27 0:37 ` Richard Henderson
2024-08-26 15:29 ` [PATCH v9 16/17] disas/riscv: enable disassembly for zicfiss instructions Deepak Gupta
2024-08-26 15:29 ` [PATCH v9 17/17] disas/riscv: enable disassembly for compressed sspush/sspopchk Deepak Gupta
2024-08-27 2:44 ` [PATCH v9 00/17] riscv support for control flow integrity extensions Alistair Francis
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