Simulate debug

kernel/vortex_test.dump

@@ -5,8 +5,8 @@ vortex_test.elf:     file format elf32-littleriscv
 Disassembly of section .text:
 
 80000000 <_start>:
-80000000:	7ffff137          	lui	sp,0x7ffff
-80000004:	041010ef          	jal	ra,80001844 <main>
+80000000:	00400593          	li	a1,4
+80000004:	00b58633          	add	a2,a1,a1
 80000008:	00000513          	li	a0,0
 8000000c:	0005006b          	0x5006b
 
@@ -23,7 +23,7 @@ Disassembly of section .text:
 80000024:	00755c63          	bge	a0,t2,8000003c <loop_done>
 
 80000028 <loop_body>:
-80000028:	80010113          	addi	sp,sp,-2048 # 7fffe800 <SIZE+0x7fffe7ce>
+80000028:	80010113          	addi	sp,sp,-2048
 8000002c:	00050313          	mv	t1,a0
 80000030:	0003506b          	0x3506b
 

kernel/vortex_test.hex

@@ -1,5 +1,5 @@
 :0200000480007A
-:1000000037F1FF7FEF101004130500006B000500AF
+:10000000930540003386B500130500006B00050022
 :10001000938B0600130D0700130F010093030500D7
 :1000200013051000635C75001301018013030500C4
 :100030006B500300130515006FF0DFFE1300000086

kernel/vx_os/vx_back/vx_back.s

@@ -6,6 +6,11 @@
 .type _start, @function
 .global _start
 _start:
+    li a1, 4
+    add a2, a1, a1
+    li a0, 0
+    .word 0x0005006b    # tmc a0
+    ###########################
       # la a0, 0x10000000
       # li a1, 7
       # sw a1, 0(a0)
@@ -67,11 +72,11 @@ _start:
 #     .word 0x0000306b    #join
 #     ecall
     ############################
-    lui  sp, 0x7ffff
-    # jal  vx_before_main
-    jal  main
-    li a0, 0
-    .word 0x0005006b    # tmc a0
+    # lui  sp, 0x7ffff
+    # # jal  vx_before_main
+    # jal  main
+    # li a0, 0
+    # .word 0x0005006b    # tmc a0
 
 # Hi:
 #     li a2, 7