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| File: [Development] / linux-2.4-xfs / arch / ppc / boot / simple / clear.S (download)
Revision 1.1, Wed Feb 25 02:07:34 2004 UTC (13 years, 8 months ago) by nathans
Merge some lost 2.4 differences... not sure what happened to these. |
/* * 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,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