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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-07-30 13:29:33 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-07-30 13:29:33 -0700 |
| commit | 18be07289f8cfc733097c2f759676fbcacd7db1e (patch) | |
| tree | 6faefe284ace32c7d323ab5057321c4ccae7b32c /src | |
| parent | dbc979b9e283e39562c425f97d15802bdb958452 (diff) | |
| download | gem5-18be07289f8cfc733097c2f759676fbcacd7db1e.tar.xz | |
X86: Implement a stub CPUID function which is hardcode to return certain values.
--HG--
extra : convert_revision : 4085e04fd13e834646106faa55726d07d9631f42
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/isa/insts/processor_information.py | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/arch/x86/isa/insts/processor_information.py b/src/arch/x86/isa/insts/processor_information.py index b9c8a407e..f7ef4db98 100644 --- a/src/arch/x86/isa/insts/processor_information.py +++ b/src/arch/x86/isa/insts/processor_information.py @@ -53,7 +53,20 @@ # # Authors: Gabe Black -microcode = "" +microcode = ''' +def macroop CPUID_R { + # + # For now, the CPUID function number will be hard wired to 0x8000_0000. + # Getting it to work more robustly will likely require microcode branching + # which probably doesn't work at the moment. + # + + limm rax, 0x80000018, dataSize=4 + limm rbx, 0x68747541, dataSize=4 + limm rdx, 0x69746e65, dataSize=4 + limm rcx, 0x444d4163, dataSize=4 +}; +''' #let {{ # class CPUID(Inst): # "GenFault ${new UnimpInstFault}" |