# See LICENSE for license details. #***************************************************************************** # scall.S #----------------------------------------------------------------------------- # # Test syscall trap. # #include "riscv_test.h" #include "test_macros.h" RVTEST_RV64S RVTEST_CODE_BEGIN #ifdef __MACHINE_MODE #define sscratch mscratch #define sstatus mstatus #define scause mcause #define sepc mepc #define stvec_handler mtvec_handler #undef SSTATUS_SPP #define SSTATUS_SPP MSTATUS_MPP #endif li TESTNUM, 2 li t0, SSTATUS_SPP csrc sstatus, t0 la t0, 1f csrw sepc, t0 eret 1: scall j fail TEST_PASSFAIL stvec_handler: li t1, CAUSE_USER_ECALL csrr t0, scause bne t0, t1, fail j pass RVTEST_CODE_END .data RVTEST_DATA_BEGIN TEST_DATA RVTEST_DATA_END