From: Richard Henderson <richard.henderson@linaro.org> To: LIU Zhiwei <zhiwei_liu@c-sky.com> Cc: qemu-riscv@nongnu.org, riku.voipio@iki.fi, laurent@vivier.eu, wxy194768@alibaba-inc.com, "qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>, wenmeng_zhang@c-sky.com, palmer@dabbelt.com, Alistair Francis <Alistair.Francis@wdc.com> Subject: Re: [PATCH] linux-user/riscv: fix up struct target_ucontext definition Date: Thu, 23 Apr 2020 12:45:12 -0700 [thread overview] Message-ID: <4b752be1-009d-8a25-9da7-3159d1a24e1c@linaro.org> (raw) In-Reply-To: <07931c1c-c7b3-510a-d3cf-5fb6bc877e87@c-sky.com> On 4/22/20 6:55 PM, LIU Zhiwei wrote: > As far as I know, Guo Ren and Greentime are supporting RVV on Linux, based on > the v0.7.1 QEMU implementation. > The main problem is that VLEN is not a fixed number. Neither is the SVE vector length fixed. That's one of the reasons I pointed you at the AArch64 sigcontext for ideas. > When the Linux kernel released with RVV, I will push a new sigcontext structure > here. Yep. r~
WARNING: multiple messages have this Message-ID (diff)
From: Richard Henderson <richard.henderson@linaro.org> To: LIU Zhiwei <zhiwei_liu@c-sky.com> Cc: laurent@vivier.eu, riku.voipio@iki.fi, Alistair Francis <Alistair.Francis@wdc.com>, palmer@dabbelt.com, wenmeng_zhang@c-sky.com, qemu-riscv@nongnu.org, wxy194768@alibaba-inc.com, "qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org> Subject: Re: [PATCH] linux-user/riscv: fix up struct target_ucontext definition Date: Thu, 23 Apr 2020 12:45:12 -0700 [thread overview] Message-ID: <4b752be1-009d-8a25-9da7-3159d1a24e1c@linaro.org> (raw) In-Reply-To: <07931c1c-c7b3-510a-d3cf-5fb6bc877e87@c-sky.com> On 4/22/20 6:55 PM, LIU Zhiwei wrote: > As far as I know, Guo Ren and Greentime are supporting RVV on Linux, based on > the v0.7.1 QEMU implementation. > The main problem is that VLEN is not a fixed number. Neither is the SVE vector length fixed. That's one of the reasons I pointed you at the AArch64 sigcontext for ideas. > When the Linux kernel released with RVV, I will push a new sigcontext structure > here. Yep. r~
next prev parent reply other threads:[~2020-04-23 19:46 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-12 2:08 [PATCH] linux-user/riscv: fix up struct target_ucontext definition LIU Zhiwei 2020-04-12 2:08 ` LIU Zhiwei 2020-04-22 2:34 ` LIU Zhiwei 2020-04-22 2:34 ` LIU Zhiwei 2020-04-22 4:10 ` Richard Henderson 2020-04-22 4:10 ` Richard Henderson 2020-04-22 18:05 ` Alistair Francis 2020-04-22 18:05 ` Alistair Francis 2020-04-22 19:20 ` Richard Henderson 2020-04-22 19:20 ` Richard Henderson 2020-04-22 21:18 ` Alistair Francis 2020-04-22 21:18 ` Alistair Francis 2020-04-23 1:55 ` LIU Zhiwei 2020-04-23 1:55 ` LIU Zhiwei 2020-04-23 19:45 ` Richard Henderson [this message] 2020-04-23 19:45 ` Richard Henderson
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