From: "Fea.Wang" <fea.wang@sifive.com>
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: Palmer Dabbelt <palmer@dabbelt.com>,
Alistair Francis <alistair.francis@wdc.com>,
Bin Meng <bmeng.cn@gmail.com>, Weiwei Li <liwei1518@gmail.com>,
Daniel Henrique Barboza <dbarboza@ventanamicro.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
"Fea.Wang" <fea.wang@sifive.com>,
Frank Chang <frank.chang@sifive.com>,
Jim Shu <jim.shu@sifive.com>
Subject: [PATCH 1/5] target/riscv: Add svukte extension capability variable
Date: Tue, 3 Sep 2024 14:17:53 +0800 [thread overview]
Message-ID: <20240903061757.1114957-2-fea.wang@sifive.com> (raw)
In-Reply-To: <20240903061757.1114957-1-fea.wang@sifive.com>
Refer to the draft of svukte extension from:
https://github.com/riscv/riscv-isa-manual/pull/1564
Svukte provides a means to make user-mode accesses to supervisor memory
raise page faults in constant time, mitigating attacks that attempt to
discover the supervisor software's address-space layout.
Signed-off-by: Fea.Wang <fea.wang@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Jim Shu <jim.shu@sifive.com>
---
target/riscv/cpu_cfg.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h
index 96fe26d4ea..636b12e1c2 100644
--- a/target/riscv/cpu_cfg.h
+++ b/target/riscv/cpu_cfg.h
@@ -81,6 +81,7 @@ struct RISCVCPUConfig {
bool ext_svinval;
bool ext_svnapot;
bool ext_svpbmt;
+ bool ext_svukte;
bool ext_zdinx;
bool ext_zaamo;
bool ext_zacas;
--
2.34.1
next prev parent reply other threads:[~2024-09-03 6:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-03 6:17 [PATCH 0/5] Introduce svukte ISA extension Fea.Wang
2024-09-03 6:17 ` Fea.Wang [this message]
2024-09-04 0:05 ` [PATCH 1/5] target/riscv: Add svukte extension capability variable Alistair Francis
2024-09-03 6:17 ` [PATCH 2/5] target/riscv: Support senvcfg[UKTE] bit when svukte extension is enabled Fea.Wang
2024-09-03 6:17 ` [PATCH 3/5] target/riscv: Support hstatus[HUKTE] " Fea.Wang
2024-09-03 6:17 ` [PATCH 4/5] target/riscv: Check memory access to meet svuket rule Fea.Wang
2024-09-03 22:18 ` Daniel Henrique Barboza
2024-09-05 4:14 ` Fea Wang
2024-09-03 6:17 ` [PATCH 5/5] target/riscv: Expose svukte ISA extension Fea.Wang
2024-09-04 0:07 ` [PATCH 0/5] Introduce " Alistair Francis
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