diff options
Diffstat (limited to 'isa/rv32si/ipi_zscale.S')
-rw-r--r-- | isa/rv32si/ipi_zscale.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/isa/rv32si/ipi_zscale.S b/isa/rv32si/ipi_zscale.S new file mode 100644 index 0000000..5f1106b --- /dev/null +++ b/isa/rv32si/ipi_zscale.S @@ -0,0 +1,48 @@ +#***************************************************************************** +# ipi.S +#----------------------------------------------------------------------------- +# +# Test ipi interrupt. +# + +#include "riscv_test.h" +#include "test_macros.h" + +RVTEST_RV32S +RVTEST_CODE_BEGIN + + la t0, evec + csrw evec, t0 + + csrw clear_ipi, x0 + li t1, 1<<21 + csrs status, t1 # turn on timer IRQ 5 + csrsi status, 4 # enable interrupts + + li t1,1 + csrw send_ipi, t1 + + li TESTNUM, 2 + li a0,1000 +loop: + div x0, x0, x0 + addi a0, a0, -1 + bne a0, x0, loop + j fail # assumption is that you will get an ipi before this loop ends + + TEST_PASSFAIL + +evec: + li t1, 0x80000000|IRQ_IPI + csrr t0, cause + bne t0, t1, fail + j pass + +RVTEST_CODE_END + + .data +RVTEST_DATA_BEGIN + + TEST_DATA + +RVTEST_DATA_END |