|
|
| File: [Development] / linux-2.6-xfs / arch / ppc / boot / simple / Attic / clear.S (download)
Revision 1.2, Tue Jun 21 15:50:10 2005 UTC (12 years, 4 months ago) by nathans.longdrop.melbourne.sgi.com
Merge up to 2.6.12 Merge of 2.6.x-xfs-melb:linux:22920a by kenmcd. |
/* * Code to call _setup_L2CR to flus, invalidate and disable the L2, * and if present, do the same to the L3. */ #define CLEAR_CACHES \ bl _setup_L2CR; \ \ /* If 745x, turn off L3CR as well */ \ mfspr r8,SPRN_PVR; \ srwi r8,r8,16; \ \ cmpli cr0,r8,0x8000; /* 7450 */ \ cmpli cr1,r8,0x8001; /* 7455 */ \ cmpli cr2,r8,0x8002; /* 7457 */ \ /* Now test if any are true. */ \ cror 4*cr0+eq,4*cr0+eq,4*cr1+eq; \ cror 4*cr0+eq,4*cr0+eq,4*cr2+eq; \ beql _setup_L3CR