/* * Author : Kavita Bala * Email : kaybee@lcs.mit.edu * Comment : Header file with all declarations for the PTLB */ #include #ifndef FALSE #define FALSE 0 #define TRUE 1 #endif #define KB_TMR_K1 96 + 2048 /* 24 */ #define KB_TMR_T1 100 + 2048 /* 25 */ #define KB_TMR_AT 104 + 2048 /* 26 */ #define KB_EXC_FRAME_SP 108 + 2048 /* 27 */ #define KB_EXC_FRAME_SP_PTR 27 + 512 /* 27 */ #define KB_EXC_FRAME_PC 112 + 2048 /* 28 */ #define KB_EXC_FRAME_PC_PTR 28 + 512 /* 28 */ #define KB_TOTAL_TRAPS 29*4 + 2048 /* 29 */ #define KB_TOTAL_TRAPS_PTR 29 + 512 #define KB_PID_PTR 0 #define KB_PID 0 #define MAX_COMMAND 4 #define KB_PREFETCH_RESET 0 #define KB_PREFETCH_STATS 1 #define KB_PREFETCH_START 2 #define KB_PREFETCH_STOP 3 #define KB_PREFETCH_TLB_PID 4 #define KB_PAGE_SIZE 1024*4 #define KB_PTLB_SIZE 1024*4*16 /* Each entry is of size 4 */ #define KB_PREFETCH_NO_OF_ENTRIES 1024*4 #define KB_PTLB_MASK 0x7ff8 #define KB_TLB_HI_VPN_MASK 0xfffff000 #define KB_KPTE_ADDR KPTEADDR #define KB_PTLB_SHIFT 9 #define KB_L1K 1 #define KB_KPT 1 #define KB_L2 0 #define KB_K2SEG_MASK 0xc0000000 #define KB_K0_OR_K1_SEG_MASK 0x80000000 #define KB_PTEBASE_MASK 0xffe00000 #define KB_LO_MASK 0xfffffffc #define KB_SW_INDEX_MASK 0x7ff8 #define IOC_CTR 0xbf8401e0 #ifndef ASSEMBLER #include extern int prefetch_intercept_enabled; extern int kb_prefetch_trace_on, kb_prefetch_index; extern int kb_server_pc_index, kb_sys_trace_index; extern unsigned int kb_overhead_added; extern vm_offset_t kb_prefetch_ptr; extern vm_offset_t kb_ptlb; extern vm_offset_t kb_stlb_tmp_space_ptr; /* kb tmr */ extern int kb_already_there, kb_prefetch_l2, kb_prefetch_l1k, kb_prefetch_kpt, kb_basic_other; extern int kb_basic_user_pt, kb_basic_l2, kb_basic_l1k, kb_basic_kpt; struct prefetch_stats { int already_there; int prefetch_l2; int prefetch_l1k; int prefetch_kpt; int basic_user_pt; int basic_l2; int basic_l1k; int basic_kpt; int other; int nested_l2; int nested_l1k; int nested_user_pt; unsigned int l2_time; unsigned int other_time; int tlb_traps; int tmr_max; int tmr_min; unsigned int overhead_added; }; typedef struct prefetch_stats prefetch_stats_t; extern prefetch_stats_t kb_stats; #endif ASSEMBLER