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# See LICENSE for license details.

#*****************************************************************************

# scall.S

#-----------------------------------------------------------------------------

#

# Test syscall trap.

#

#include "riscv_test.h"

#include "test_macros.h"

RVTEST_RV32M

RVTEST_CODE_BEGIN

#define sscratch mscratch

#define sstatus mstatus

#define scause mcause

#define sepc mepc

#define stvec_handler mtvec_handler

#undef CAUSE_SUPERVISOR_ECALL

#define CAUSE_SUPERVISOR_ECALL CAUSE_MACHINE_ECALL

  li TESTNUM, 2

  scall

  j fail

  j pass

  TEST_PASSFAIL

stvec_handler:

  li t1, CAUSE_SUPERVISOR_ECALL

  csrr t0, scause

  bne t0, t1, fail

  csrr t0, sepc

  addi t0, t0, 8

  csrw sepc, t0

  sret

RVTEST_CODE_END

  .data

RVTEST_DATA_BEGIN

  TEST_DATA

RVTEST_DATA_END