From: Gabe Black <gabeblack@google.com>
Date: Tue, 29 Oct 2019 03:58:14 +0000 (-0700)
Subject: sim: Add a getGuestByteOrder accessor to the system class.
X-Git-Tag: v19.0.0.0~360
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cbf20899528f523db38b78c32d27dcb8fc8485fd;p=gem5.git

sim: Add a getGuestByteOrder accessor to the system class.

This goes along with the existing getPageBytes, etc., accessors, and
paves the way for this to be a parameter of the System class.

Change-Id: Ibfe2d591185d23beccdd5bbff1092dc07b1278ac
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22272
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
---

diff --git a/src/sim/system.hh b/src/sim/system.hh
index d205ffb7a..338b12619 100644
--- a/src/sim/system.hh
+++ b/src/sim/system.hh
@@ -283,6 +283,19 @@ class System : public SimObject, public PCEventScope
      */
     Arch getArch() const { return Arch::TheISA; }
 
+    /**
+     * Get the guest byte order.
+     */
+    ByteOrder
+    getGuestByteOrder() const
+    {
+#if THE_ISA != NULL_ISA
+        return TheISA::GuestByteOrder;
+#else
+        panic("The NULL ISA has no endianness.");
+#endif
+    }
+
      /**
      * Get the page bytes for the ISA.
      */