From: Gabe Black <gblack@eecs.umich.edu>
Date: Wed, 20 Jun 2007 19:05:06 +0000 (+0000)
Subject: X86 probably doesn't need a window save area.
X-Git-Tag: m5_2.0_beta4~321
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a19f1c40145ebc8dec66f888c82ac92bfd05d28e;p=gem5.git

X86 probably doesn't need a window save area.

--HG--
extra : convert_revision : c4a76262d4396f5f5b96b1c9e751014c2abbd78a
---

diff --git a/src/arch/x86/process.cc b/src/arch/x86/process.cc
index af7494598..7deb54945 100644
--- a/src/arch/x86/process.cc
+++ b/src/arch/x86/process.cc
@@ -268,7 +268,6 @@ X86LiveProcess::argsInit(int intSize, int pageSize)
     int argv_array_size = intSize * (argv.size() + 1);
 
     int argc_size = intSize;
-    int window_save_size = intSize * 16;
 
     int space_needed =
         mysterious_size +
@@ -276,8 +275,7 @@ X86LiveProcess::argsInit(int intSize, int pageSize)
         aux_array_size +
         envp_array_size +
         argv_array_size +
-        argc_size +
-        window_save_size;
+        argc_size;
 
     stack_min = stack_base - space_needed;
     stack_min &= alignmentMask;
@@ -296,10 +294,6 @@ X86LiveProcess::argsInit(int intSize, int pageSize)
     Addr envp_array_base = auxv_array_base - envp_array_size;
     Addr argv_array_base = envp_array_base - argv_array_size;
     Addr argc_base = argv_array_base - argc_size;
-#ifndef NDEBUG
-    // only used in DPRINTF
-    Addr window_save_base = argc_base - window_save_size;
-#endif
 
     DPRINTF(X86, "The addresses of items on the initial stack:\n");
     DPRINTF(X86, "0x%x - file name\n", file_name_base);
@@ -309,7 +303,6 @@ X86LiveProcess::argsInit(int intSize, int pageSize)
     DPRINTF(X86, "0x%x - envp array\n", envp_array_base);
     DPRINTF(X86, "0x%x - argv array\n", argv_array_base);
     DPRINTF(X86, "0x%x - argc \n", argc_base);
-    DPRINTF(X86, "0x%x - window save\n", window_save_base);
     DPRINTF(X86, "0x%x - stack min\n", stack_min);
 
     // write contents to stack