qemu

FORK: QEMU emulator
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test_exclusive.S (656B)


      1 #include "macros.inc"
      2 
      3 test_suite exclusive
      4 
      5 #if XCHAL_HAVE_EXCLUSIVE
      6 
      7 test exclusive_nowrite
      8     movi    a2, 0x29
      9     wsr     a2, atomctl
     10     clrex
     11     movi    a2, 1f
     12     movi    a3, 1
     13     s32ex   a3, a2
     14     getex   a3
     15     assert  eqi, a3, 0
     16     l32i    a3, a2, 0
     17     assert  eqi, a3, 3
     18 
     19 .data
     20 .align 4
     21 1:
     22     .word   3
     23 .text
     24 test_end
     25 
     26 test exclusive_write
     27     movi    a2, 0x29
     28     wsr     a2, atomctl
     29     movi    a2, 1f
     30     l32ex   a3, a2
     31     assert  eqi, a3, 3
     32     movi    a3, 2
     33     s32ex   a3, a2
     34     getex   a3
     35     assert  eqi, a3, 1
     36     l32i    a3, a2, 0
     37     assert  eqi, a3, 2
     38 
     39 .data
     40 .align 4
     41 1:
     42     .word   3
     43 .text
     44 test_end
     45 
     46 #endif
     47 
     48 test_suite_end