# See LICENSE for license details.

#*****************************************************************************
# amoswap_w.S
#-----------------------------------------------------------------------------
#
# Test amoswap.w instruction.
#

#include "riscv_test.h"
#include "test_macros.h"

RVTEST_RV32U
RVTEST_CODE_BEGIN

  TEST_CASE(2, a4, 0x80000000, \
    li a0, 0x80000000; \
    li a1, 0xfffff800; \
    la a3, amo_operand; \
    sw a0, 0(a3); \
    nop; nop; nop; nop; \
    nop; nop; nop; nop; \
    nop; nop; nop; nop; \
    nop; nop; nop; nop; \
    nop; nop; nop; nop; \
    nop; nop; nop; nop; \
    nop; nop; nop; nop; \
    amoswap.w	a4, a1, 0(a3); \
  )

  TEST_CASE(3, a5, 0xfffff800, lw a5, 0(a3))

  # try again after a cache miss
  TEST_CASE(4, a4, 0xfffff800, \
    li  a1, 0x80000000; \
    li  a4, 16384; \
    add a5, a3, a4; \
    lw  x0, 0(a5); \
    add a5, a5, a4; \
    lw  x0, 0(a5); \
    add a5, a5, a4; \
    lw  x0, 0(a5); \
    add a5, a5, a4; \
    lw  x0, 0(a5); \
    amoswap.w a4, a1, 0(a3); \
  )

  TEST_CASE(5, a5, 0x80000000, lw a5, 0(a3))

  TEST_PASSFAIL

RVTEST_CODE_END

  .data
RVTEST_DATA_BEGIN

  TEST_DATA

RVTEST_DATA_END

  .bss
  .align 3
amo_operand:
  .dword 0
  .skip 65536