From: Sandipan Das <sandipan@linux.vnet.ibm.com>
Date: Thu, 7 Jun 2018 12:48:50 +0000 (+0530)
Subject: arch-power: Add fields for XS form instructions
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=22f674a8895c369a91b02abf3220be3ec2c0cc7c;p=gem5.git

arch-power: Add fields for XS form instructions

This introduces the extended opcode field and the field
sh for XS form instructions.

Change-Id: I8f7cb3a2fda33b5b0076ffe12ffebeb5ec1c33a6
Signed-off-by: Sandipan Das <sandipan@linux.vnet.ibm.com>
---

diff --git a/src/arch/power/isa/bitfields.isa b/src/arch/power/isa/bitfields.isa
index 44fc3c3ab..0430f30dc 100644
--- a/src/arch/power/isa/bitfields.isa
+++ b/src/arch/power/isa/bitfields.isa
@@ -44,6 +44,7 @@ def bitfield XFL_XO        <10:1>;
 def bitfield XFX_XO        <10:1>;
 def bitfield XL_XO         <10:1>;
 def bitfield XO_XO         <9:1>;
+def bitfield XS_XO         <10:2>;
 
 // Register fields
 def bitfield RA            <20:16>;
diff --git a/src/arch/power/types.hh b/src/arch/power/types.hh
index db03781fb..2c8d7de9a 100644
--- a/src/arch/power/types.hh
+++ b/src/arch/power/types.hh
@@ -46,6 +46,7 @@ BitUnion32(ExtMachInst)
 
     // Shifts and masks
     Bitfield<15, 11> sh;
+    Bitfield<1>      shn;
     Bitfield<10,  6> mb;
     Bitfield< 5,  1> me;