主从联合仿真开始

tb/sw/src/slvStartup.S

@@ -9,11 +9,12 @@
 
 
 _prog_start:
-	li x15, 0
+	li sp, 0
 	picorv32_maskirq_insn(zero, zero)
+
 	call main
 
-	li gp, 1;
+
 	ecall
 
 
@@ -26,8 +27,36 @@ trap_entry:
 
 	# q寄存器已经禁用， Without the q-registers, the irq return address will be stored in x3 (gp) and the IRQ bitmask in x4 (tp),
 
-	addi x15, x4, 0
+	# addi x15, x4, 0
 
+#   io.interrupt(0) := intTxError
+#   io.interrupt(1) := intTxFifoFull
+#   io.interrupt(2) := intTxFinish
+
+#   io.interrupt(3) := intRxError
+#   io.interrupt(4) := intRxValid
+#   io.interrupt(5) := intTxError
+#   io.interrupt(6) := intTxFifoFull
+#   io.interrupt(7) := intTxFinish
+
+#   io.interrupt(8) := intRxError
+#   io.interrupt(9) := intRxValid
+	# andi ra, x4, 0x02
+	# bnez ra, 1f
+	# addi, sp, sp, 2048
+1:
+	andi ra, x4, 0x10
+	bnez ra, 2f
+	addi sp, sp, 1
+2:
+	# andi ra, x4, 0x40
+	# bnez ra, 3f
+	# addi, sp, sp, 2048
+3:
+	andi ra, x4, 0x200
+	bnez ra, 4f
+	addi sp, sp, 1
+4:
 	picorv32_retirq_insn()