summaryrefslogtreecommitdiff
path: root/src/arch/riscv
diff options
context:
space:
mode:
authorTuan Ta <qtt2@cornell.edu>2018-04-02 16:21:28 -0400
committerTuan Ta <qtt2@cornell.edu>2019-02-08 15:25:30 +0000
commit72d1d2930fc2b8ef6d32ec2ce2eabbac00684159 (patch)
tree30e4dff525d704bf39e446e1a9ee80ebb7418635 /src/arch/riscv
parentcf45f22369f85397f113918a4f773b2613f0e19b (diff)
downloadgem5-72d1d2930fc2b8ef6d32ec2ce2eabbac00684159.tar.xz
arch-riscv: initialize RISC-V's thread pointer register in clone syscall
This patch initializes thread pointer register to Thread Local Storage (TLS)'s pointer given to a clone system call. Change-Id: I03e2cf4763e6a0ed31f357772a513a05e1e3461b Reviewed-on: https://gem5-review.googlesource.com/c/9622 Reviewed-by: Brandon Potter <Brandon.Potter@amd.com> Maintainer: Brandon Potter <Brandon.Potter@amd.com>
Diffstat (limited to 'src/arch/riscv')
-rw-r--r--src/arch/riscv/linux/linux.hh2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/arch/riscv/linux/linux.hh b/src/arch/riscv/linux/linux.hh
index 23b4fd562..441550a50 100644
--- a/src/arch/riscv/linux/linux.hh
+++ b/src/arch/riscv/linux/linux.hh
@@ -196,6 +196,8 @@ class RiscvLinux64 : public Linux
uint64_t stack, uint64_t tls)
{
RiscvISA::copyRegs(ptc, ctc);
+ if (flags & TGT_CLONE_SETTLS)
+ ctc->setIntReg(RiscvISA::ThreadPointerReg, tls);
if (stack)
ctc->setIntReg(RiscvISA::StackPointerReg, stack);
}