commit 384951540c4bfb4342a16e0827b7811d4f750bf6
author Andreas Sandberg <andreas.sandberg@arm.com> Wed Jan 09 14:31:52 2019 +0000
committer Andreas Sandberg <andreas.sandberg@arm.com> Thu Jan 10 17:50:28 2019 +0000
tree 3aac2db30af8424f511b409e8aeb394b34e8778b
parent 5e420343d37fea3134a32d6e04465b13f67988d2

sim-se: Use CONFIG_CLONE_BACKWARDS for Arm

Linxu on Arm users the CLONE_BACKWARDS argument order for the clone
syscall.

Change-Id: I48deb4f03140c9d4ef7a89e3e33813e76777f999
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Cc: Giacomo Travaglini <giacomo.travaglini@arm.com>
Cc: Javier Setoain <javier.setoain@arm.com>
Cc: Brandon Potter <Brandon.Potter@amd.com>
Reviewed-on: https://gem5-review.googlesource.com/c/15416
Reviewed-by: Brandon Potter <Brandon.Potter@amd.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Brandon Potter <Brandon.Potter@amd.com>

src/sim/syscall_emul.hh

diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index ba607c9..1ff0460 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -1273,9 +1273,9 @@
     TheISA::IntReg newStack = p->getSyscallArg(tc, index);
     Addr ptidPtr = p->getSyscallArg(tc, index);
 
-#if THE_ISA == RISCV_ISA
+#if THE_ISA == RISCV_ISA or THE_ISA == ARM_ISA
     /**
-     * Linux kernel 4.15 sets CLONE_BACKWARDS flag for RISC-V.
+     * Linux sets CLONE_BACKWARDS flag for RISC-V and Arm.
      * The flag defines the list of clone() arguments in the following
      * order: flags -> newStack -> ptidPtr -> tlsPtr -> ctidPtr
      */