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authorGabe Black <gblack@eecs.umich.edu>2007-07-28 21:18:53 -0700
committerGabe Black <gblack@eecs.umich.edu>2007-07-28 21:18:53 -0700
commitdc86f3229c2d3278bf5f32fb9b0b4bf039c0735e (patch)
tree62706b3aec5f8ecab975b7c6d641fe13045af80e /src/arch/x86
parentfe46e28b149876e41e91d6210040bcfed32d14ca (diff)
downloadgem5-dc86f3229c2d3278bf5f32fb9b0b4bf039c0735e.tar.xz
X86: Fix a comment and adjust the stack base address.
The stack base on my development machine starts one page below where it needs to. I don't know why it does, but I've duplicated it in m5. --HG-- extra : convert_revision : c4783ba885b90f17e843f61e07af0bc3330a74bc
Diffstat (limited to 'src/arch/x86')
-rw-r--r--src/arch/x86/process.cc7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/arch/x86/process.cc b/src/arch/x86/process.cc
index 713e5d0a2..ff23be339 100644
--- a/src/arch/x86/process.cc
+++ b/src/arch/x86/process.cc
@@ -122,9 +122,10 @@ X86LiveProcess::X86LiveProcess(const std::string &nm, ObjectFile *objFile,
// Set pointer for next thread stack. Reserve 8M for main stack.
next_thread_stack_base = stack_base - (8 * 1024 * 1024);
- // Set up stack. On SPARC Linux, stack goes from the top of memory
- // downward, less the hole for the kernel address space.
- stack_base = (Addr)0x80000000000ULL;
+ // Set up stack. On X86_64 Linux, stack goes from the top of memory
+ // downward, less the hole for the kernel address space plus one page
+ // for undertermined purposes.
+ stack_base = (Addr)0x7FFFFFFF000ULL;
// Set up region for mmaps. Tru64 seems to start just above 0 and
// grow up from there.