1 #ifndef BAMBOO_MULTICORE_CACHE_H
2 #define BAMBOO_MULTICORE_CACHE_H
5 #include "multicoremem.h"
6 #include "multicoregccompact.h"
7 #include "multicoregarbage.h"
10 // sampling unit to compute access frequency, this should be consistent all the
12 #define GC_CACHE_SAMPLING_UNIT 0x1000000
13 // freqeuency to trigger timer interrupt
14 #define GC_TILE_TIMER_EVENT_SETTING 10000000
16 // data structure to record policy information for a page
17 // should be consistent with multicoreruntime.h
23 // policy type, should be enough to accommodate all 4 possible polices
24 unsigned int cache_mode : 3;
26 unsigned int __reserved_0 : 5;
27 // Location Override Target Y
28 unsigned int lotar_y : 4;
30 unsigned int __reserved_1 : 4;
31 // Location Override Target X
32 unsigned int lotar_x : 4;
34 unsigned int __reserved_2 : 12;
36 } bamboo_cache_policy_t;
38 #define BAMBOO_CACHE_MODE_LOCAL 1 // locally cached
39 #define BAMBOO_CACHE_MODE_HASH 2 // hash-for-home
40 #define BAMBOO_CACHE_MODE_NONE 3 // no caching
41 #define BAMBOO_CACHE_MODE_COORDS 4 // cached on a specific core
43 // data structure to hold page information while calculating revised sampling
44 // info during compaction
45 typedef struct gc_cache_revise_info {
46 // the start address in current original page to be compacted to current
48 void * orig_page_start_va;
49 // the end of current original page to be compacted
50 void * orig_page_end_va;
51 // the index of current original page
52 unsigned int orig_page_index;
53 // the start address in current destination page to where the current original
55 void * to_page_start_va;
56 // the end of current destination page
57 void * to_page_end_va;
58 // the index of current destination page
59 unsigned int to_page_index;
60 } gc_cache_revise_info_t;
62 // global variable holding page information to compute revised sampling info
63 extern gc_cache_revise_info_t gc_cache_revise_information;
65 void samplingDataReviseInit(struct moveHelper * orig,struct moveHelper * to);
66 void completePageConvert(void * origptr, void * toptr, void * current_ptr);
67 void cacheAdapt_gc(bool isgccachestage);
68 void cacheAdapt_master();
69 void cacheAdapt_mutator();
70 void cacheAdapt_phase_client();
71 void cacheAdapt_phase_master();
72 void gc_output_cache_sampling();
73 void gc_output_cache_sampling_r();
75 #ifdef GC_CACHE_SAMPLING
76 // enable the timer interrupt
77 #define CACHEADAPT_ENABLE_TIMER() \
79 bamboo_tile_timer_set_next_event(GC_TILE_TIMER_EVENT_SETTING); \
80 bamboo_unmask_timer_intr(); \
81 bamboo_dtlb_sampling_process(); \
84 #define CACHEADAPT_ENABLE_TIMER()
86 // disable the TILE_TIMER interrupt
87 #define CACHEADAPT_DISABLE_TIMER() bamboo_mask_timer_intr()
89 #ifdef GC_CACHE_SAMPLING
90 // reset the sampling arrays
91 #define CACHEADAPT_SAMPING_RESET() bamboo_dtlb_sampling_reset()
92 #else // GC_CACHE_SAMPING
93 #define CACHEADAPT_SAMPING_RESET()
96 #define CACHEADAPT_SAMPLING_DATA_REVISE_INIT(o,t) \
97 samplingDataReviseInit((o),(t))
98 //#define CACHEADAPT_SAMPLING_DATA_CONVERT(p) samplingDataConvert((p))
99 #define CACHEADAPT_COMPLETE_PAGE_CONVERT(o, t, p) \
100 completePageConvert((o), (t), (p));
102 #define CACHEADAPT_GC(b) cacheAdapt_gc(b)
103 #define CACHEADAPT_MASTER() cacheAdapt_master()
104 #define CACHEADAPT_PHASE_CLIENT() cacheAdapt_phase_client()
105 #define CACHEADAPT_PHASE_MASTER() cacheAdapt_phase_master()
107 #ifdef GC_CACHE_ADAPT_OUTPUT
108 #define CACHEADAPT_OUTPUT_CACHE_SAMPLING() gc_output_cache_sampling()
109 #define CACHEADAPT_OUTPUT_CACHE_SAMPLING_R() gc_output_cache_sampling_r()
111 #define CACHEADAPT_OUTPUT_CACHE_SAMPLING()
112 #define CACHEADAPT_OUTPUT_CACHE_SAMPLING_R()
115 #ifdef GC_CACHE_ADAPT_OUTPUT_POLICY
117 #define CACHEADAPT_OUTPUT_CACHE_POLICY() \
119 if(gc_profile_flag) { \
120 bamboo_output_cache_policy(); \
124 #define CACHEADAPT_OUTPUT_CACHE_POLICY() bamboo_output_cache_policy()
126 #else // GC_CACHE_ADAPT_OUTPUT_POLICY
127 #define CACHEADAPT_OUTPUT_CACHE_POLICY()
128 #endif // GC_CACHE_ADAPT_OUTPUT
130 #else // GC_CACHE_ADAPT
131 #define CACHEADAPT_ENABLE_TIMER()
132 #define CACHEADAPT_DISABLE_TIMER()
133 #define CACHEADAPT_SAMPING_RESET()
134 #define CACHEADAPT_SAMPLING_DATA_REVISE_INIT(o,t)
135 #define CACHEADAPT_SAMPLING_DATA_CONVERT(p)
136 #define CACHEADAPT_COMPLETE_PAGE_CONVERT(o, t, p, b)
137 #define CACHEADAPT_GC(b)
138 #define CACHEADAPT_MASTER()
139 #define CACHEADAPT_PHASE_CLIENT()
140 #define CACHEADAPT_PHASE_MASTER()
141 #define CACHEADAPT_OUTPUT_CACHE_SAMPLING()
142 #define CACHEADAPT_OUTPUT_CACHE_SAMPLING_R()
143 #define CACHEADAPT_OUTPUT_CACHE_POLICY()
144 #endif // GC_CACHE_ADAPT
145 #else // MULTICORE_GC
146 #define CACHEADAPT_ENABLE_TIMER()
147 #define CACHEADAPT_DISABLE_TIMER()
148 #endif // MULTICORE_GC
150 #endif // BAMBOO_MULTICORE_CACHE_H