diff options
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" |