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author | Steve Reinhardt <stever@eecs.umich.edu> | 2007-02-12 09:27:32 -0800 |
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committer | Steve Reinhardt <stever@eecs.umich.edu> | 2007-02-12 09:27:32 -0800 |
commit | ad17b3265178deacb2dce7a98033575c0e98f518 (patch) | |
tree | fb837d9a9afa07d4167e94a7920d34a42a3e0171 /src/arch/alpha/locked_mem.hh | |
parent | da1ad46482d80ae45982dc23c09ff13e5d490087 (diff) | |
parent | f78bc80bd75f6f4ebf080620b3aaeaee3b3e46cc (diff) | |
download | gem5-ad17b3265178deacb2dce7a98033575c0e98f518.tar.xz |
Merge zizzer.eecs.umich.edu:/bk/newmem
into vm1.(none):/home/stever/bk/newmem-head
--HG--
extra : convert_revision : 496428e23050122a8a0029e5fddea261bef5729e
Diffstat (limited to 'src/arch/alpha/locked_mem.hh')
-rw-r--r-- | src/arch/alpha/locked_mem.hh | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/arch/alpha/locked_mem.hh b/src/arch/alpha/locked_mem.hh index 52fe24173..be5086bd7 100644 --- a/src/arch/alpha/locked_mem.hh +++ b/src/arch/alpha/locked_mem.hh @@ -35,6 +35,14 @@ * @file * * ISA-specific helper functions for locked memory accesses. + * + * Note that these functions are not embedded in the ISA description + * because they operate on the *physical* address rather than the + * virtual address. In the current M5 design, the physical address is + * not accessible from the ISA description, only from the CPU model. + * Thus the CPU is responsible for calling back to the ISA (here) + * after the address translation has been performed to allow the ISA + * to do these manipulations based on the physical address. */ #include "arch/alpha/miscregfile.hh" |