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