1 # FRV testcase for dcul GRi 2 # mach: all 3 4 .include "../testutils.inc" 5 6 start 7 8 .global dcul 9 dcul: 10 or_spr_immed 0xc8000000,hsr0 ; caches enabled -- copy-back mode 11 12 ; preload and lock all the lines in set 0 of the data cache 13 set_gr_immed 0x70000,gr10 14 lock_data_cache gr10 15 set_mem_immed 0x11111111,gr10 16 test_mem_immed 0x11111111,gr10 17 18 inc_gr_immed 0x2000,gr10 19 set_gr_immed 1,gr11 20 lock_data_cache gr10 21 set_mem_immed 0x22222222,gr10 22 test_mem_immed 0x22222222,gr10 23 24 inc_gr_immed 0x2000,gr10 25 set_gr_immed 63,gr11 26 lock_data_cache gr10 27 set_mem_immed 0x33333333,gr10 28 test_mem_immed 0x33333333,gr10 29 30 inc_gr_immed 0x2000,gr10 31 set_gr_immed 64,gr11 32 lock_data_cache gr10 33 set_mem_immed 0x44444444,gr10 34 test_mem_immed 0x44444444,gr10 35 36 ; Now write to another address which should be in the same set 37 ; the write should go through to memory, since all the lines in the 38 ; set are locked 39 inc_gr_immed 0x2000,gr10 40 set_mem_immed 0xdeadbeef,gr10 41 test_mem_immed 0xdeadbeef,gr10 42 43 ; Invalidate the data cache. Only the last value stored should have made 44 ; it through to memory 45 set_gr_immed 0x70000,gr10 46 invalidate_data_cache gr10 47 test_mem_immed 0,gr10 48 49 inc_gr_immed 0x2000,gr10 50 invalidate_data_cache gr10 51 test_mem_immed 0,gr10 52 53 inc_gr_immed 0x2000,gr10 54 invalidate_data_cache gr10 55 test_mem_immed 0,gr10 56 57 inc_gr_immed 0x2000,gr10 58 invalidate_data_cache gr10 59 test_mem_immed 0,gr10 60 61 inc_gr_immed 0x2000,gr10 62 invalidate_data_cache gr10 63 test_mem_immed 0xdeadbeef,gr10 64 65 ; Now preload load and lock all the lines in set 0 of the data cache 66 ; again 67 set_gr_immed 0x70000,gr10 68 lock_data_cache gr10 69 set_mem_immed 0x11111111,gr10 70 test_mem_immed 0x11111111,gr10 71 72 inc_gr_immed 0x2000,gr10 73 set_gr_immed 1,gr11 74 lock_data_cache gr10 75 set_mem_immed 0x22222222,gr10 76 test_mem_immed 0x22222222,gr10 77 78 inc_gr_immed 0x2000,gr10 79 set_gr_immed 63,gr11 80 lock_data_cache gr10 81 set_mem_immed 0x33333333,gr10 82 test_mem_immed 0x33333333,gr10 83 84 inc_gr_immed 0x2000,gr10 85 set_gr_immed 64,gr11 86 lock_data_cache gr10 87 set_mem_immed 0x44444444,gr10 88 test_mem_immed 0x44444444,gr10 89 90 ; unlock one line 91 set_gr_immed 0x78000,gr10 92 dcul gr10 93 94 ; Now write to another address which should be in the same set. 95 set_gr_immed 0x7a000,gr10 96 set_mem_immed 0xbeefdead,gr10 97 98 ; All of the stored values should be retrievable 99 100 set_gr_immed 0x70000,gr10 101 test_mem_immed 0x11111111,gr10 102 103 inc_gr_immed 0x2000,gr10 104 test_mem_immed 0x22222222,gr10 105 106 inc_gr_immed 0x2000,gr10 107 test_mem_immed 0x33333333,gr10 108 109 inc_gr_immed 0x2000,gr10 110 test_mem_immed 0x44444444,gr10 111 112 inc_gr_immed 0x2000,gr10 113 test_mem_immed 0xdeadbeef,gr10 114 115 inc_gr_immed 0x2000,gr10 116 test_mem_immed 0xbeefdead,gr10 117 118 pass 119
Indexes created Fri Jun 26 00:24:39 UTC 2026