isa/rv64uc/sv_c_swsp.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # rvc.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test RVC corner cases.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "sv_test_macros.h"
  12
  13 RVTEST_RV64U
  14 RVTEST_CODE_BEGIN
  15
  16   .align 2
  17   .option push
  18   .option norvc
  19
  20         li          a2, 1000;
  21         li          a3, 1001;
  22         li          a4, 1004;
  23
  24         SET_SV_MVL(3)
  25         SET_SV_2CSRS( SV_REG_CSR(1, 12, 0, 12, 1),
  26                       SV_REG_CSR(1, 2, 0, 28, 1) )
  27         SET_SV_VL(3)
  28
  29   # CSR redirects SP (x2) to x28
  30   la x28, data;
  31
  32   .option push;
  33   .option rvc;
  34   .align 2;
  35   c.swsp a2, 0(sp); # not SP, actually x28!
  36   .option pop
  37
  38
  39         SET_SV_VL(1)
  40         CLR_SV_CSRS()
  41         SET_SV_MVL(1)
  42
  43   la a2, data;
  44   lw a4, 0(a2);
  45   lw a5, 4(a2);
  46   lw a6, 8(a2);
  47
  48         TEST_SV_IMM(a4, 1000)
  49         TEST_SV_IMM(a5, 1001)
  50         TEST_SV_IMM(a6, 1004)
  51
  52   .option pop
  53
  54   .align 2
  55   .option push
  56   .option norvc
  57
  58         li          a2, 1000;
  59         li          a3, 1001;
  60         li          a4, 1004;
  61
  62         SET_SV_MVL(3)
  63         SET_SV_2CSRS( SV_REG_CSR(1, 12, 0, 12, 1),
  64                       SV_REG_CSR(1, 2, 0, 2, 1) )
  65         SET_SV_VL(3)
  66
  67   mv a1, sp
  68   la sp, data;
  69
  70   .option push;
  71   .option rvc;
  72   .align 2;
  73   c.swsp a2, 0(sp);
  74   #lw a2, 0(sp);
  75   .option pop
  76
  77
  78         SET_SV_VL(1)
  79         CLR_SV_CSRS()
  80         SET_SV_MVL(1)
  81
  82   mv sp, a1
  83
  84   la a2, data;
  85   lw a4, 0(a2);
  86   lw a5, 4(a2);
  87   lw a6, 8(a2);
  88
  89         TEST_SV_IMM(a4, 1000)
  90         TEST_SV_IMM(a5, 1001)
  91         TEST_SV_IMM(a6, 1004)
  92
  93   .option pop
  94
  95         RVTEST_PASS           # Signal success.
  96 fail:
  97         RVTEST_FAIL
  98
  99 RVTEST_CODE_END     # End of test code.
 100
 101   .data
 102 data:
 103   .word 0;
 104   .word 0;
 105   .word 0;
 106
 107 RVTEST_DATA_BEGIN
 108
 109 RVTEST_DATA_END