From: Tuan Ta <qtt2@cornell.edu>
Date: Sat, 23 Dec 2017 01:10:46 +0000 (-0500)
Subject: arch-riscv: Ignore sched_yield syscall in SE mode
X-Git-Tag: v19.0.0.0~2402
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=954bd6b08565c02abf4fec06cdcbc2e6cd25cb04;p=gem5.git

arch-riscv: Ignore sched_yield syscall in SE mode

Change-Id: I14f22c06eb8fdbe063980b4cd0a49387b9113a97
Reviewed-on: https://gem5-review.googlesource.com/6961
Maintainer: Brandon Potter <Brandon.Potter@amd.com>
Reviewed-by: Alec Roelke <ar4jc@virginia.edu>
---

diff --git a/src/arch/riscv/linux/process.cc b/src/arch/riscv/linux/process.cc
index 4c10efe45..0f540af9d 100644
--- a/src/arch/riscv/linux/process.cc
+++ b/src/arch/riscv/linux/process.cc
@@ -193,7 +193,7 @@ std::map<int, SyscallDesc> RiscvLinuxProcess::syscallDescs = {
     {121,  SyscallDesc("sched_getparam")},
     {122,  SyscallDesc("sched_setaffinity")},
     {123,  SyscallDesc("sched_getaffinity")},
-    {124,  SyscallDesc("sched_yield")},
+    {124,  SyscallDesc("sched_yield", ignoreFunc, SyscallDesc::WarnOnce)},
     {125,  SyscallDesc("sched_get_priority_max")},
     {126,  SyscallDesc("sched_get_priority_min")},
     {127,  SyscallDesc("scheD_rr_get_interval")},