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.w...@sifive.com>
Reviewed-by: Frank Chang <frank.ch...@sifive.com>
Reviewed-by: Jim Shu <jim....@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
