changeset f8453ff56966 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=f8453ff56966
description:
X86: Make successive anonymous mmaps move down in 32 bit SE mode Linux.
diffstat:
2 files changed, 4 insertions(+), 2 deletions(-)
src/arch/x86/linux/linux.hh | 4 +++-
src/arch/x86/process.cc | 2 +-
diffs (26 lines):
diff -r b636411c118e -r f8453ff56966 src/arch/x86/linux/linux.hh
--- a/src/arch/x86/linux/linux.hh Fri Oct 02 01:32:00 2009 -0700
+++ b/src/arch/x86/linux/linux.hh Fri Oct 02 01:32:58 2009 -0700
@@ -190,7 +190,9 @@
uint32_t totalhigh; /* Total high memory size */
uint32_t freehigh; /* Available high memory size */
uint32_t mem_unit; /* Memory unit size in bytes */
- } tgt_sysinfo;
+ } tgt_sysinfo;
+
+ static bool mmapGrowsDown() { return true; }
};
#endif
diff -r b636411c118e -r f8453ff56966 src/arch/x86/process.cc
--- a/src/arch/x86/process.cc Fri Oct 02 01:32:00 2009 -0700
+++ b/src/arch/x86/process.cc Fri Oct 02 01:32:58 2009 -0700
@@ -184,7 +184,7 @@
// Set up region for mmaps. This was determined empirically and may not
// always be correct.
- mmap_start = mmap_end = (Addr)0xf7ffd000ULL;
+ mmap_start = mmap_end = (Addr)0xf7ffe000ULL;
}
SyscallDesc*
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