Modified bootrom after debugging to fetch address at scratch register 1.

target/snitch_cluster/test/bootrom.S

@@ -13,7 +13,9 @@ _snitch_park:
     wfi
 
 _snitch_resume:
-    lui     t0, 0xfffff    # Peripheral start is 0x1000 before bootrom start.
-    addi    t0, t0, 0x15c  # This is the 0x2c instruction and we want to jump to scratch_1 (0x188).
+    auipc   t0, 0
+    li      t1, -3736 # Jump to scratch register 1 at offset 0x188
+    add     t0, t0, t1
+    lw      t0, 0(t0)
     jalr    ra, 0(t0)
     j       _snitch_park

target/snitch_cluster/test/bootrom.dump

@@ -15,7 +15,10 @@ Disassembly of section .text:
   1c:	10500073          	wfi
 
 00000020 <_snitch_resume>:
-  20:	fffff2b7          	lui	t0,0xfffff
-  24:	15c28293          	addi	t0,t0,348 # fffff15c <_snitch_resume+0xfffff13c>
-  28:	000280e7          	jalr	t0
-  2c:	fd5ff06f          	j	0 <_snitch_park>
+  20:	00000297          	auipc	t0,0x0
+  24:	fffff337          	lui	t1,0xfffff
+  28:	16830313          	addi	t1,t1,360 # fffff168 <_snitch_resume+0xfffff148>
+  2c:	006282b3          	add	t0,t0,t1
+  30:	0002a283          	lw	t0,0(t0) # 20 <_snitch_resume>
+  34:	000280e7          	jalr	t0
+  38:	fc9ff06f          	j	0 <_snitch_park>

target/snitch_cluster/test/bootrom.sv

@@ -65497,34 +65497,34 @@
             {8'h00}, /* 0x003e */
             {8'h00}, /* 0x003d */
             {8'h00}, /* 0x003c */
-            {8'h00}, /* 0x003b */
-            {8'h00}, /* 0x003a */
-            {8'h00}, /* 0x0039 */
-            {8'h00}, /* 0x0038 */
+            {8'hfc}, /* 0x003b */
+            {8'h9f}, /* 0x003a */
+            {8'hf0}, /* 0x0039 */
+            {8'h6f}, /* 0x0038 */
             {8'h00}, /* 0x0037 */
-            {8'h00}, /* 0x0036 */
-            {8'h00}, /* 0x0035 */
-            {8'h00}, /* 0x0034 */
+            {8'h02}, /* 0x0036 */
+            {8'h80}, /* 0x0035 */
+            {8'he7}, /* 0x0034 */
             {8'h00}, /* 0x0033 */
-            {8'h00}, /* 0x0032 */
-            {8'h00}, /* 0x0031 */
-            {8'h00}, /* 0x0030 */
-            {8'hfd}, /* 0x002f */
-            {8'h5f}, /* 0x002e */
-            {8'hf0}, /* 0x002d */
-            {8'h6f}, /* 0x002c */
-            {8'h00}, /* 0x002b */
-            {8'h02}, /* 0x002a */
-            {8'h80}, /* 0x0029 */
-            {8'he7}, /* 0x0028 */
-            {8'h15}, /* 0x0027 */
-            {8'hc2}, /* 0x0026 */
-            {8'h82}, /* 0x0025 */
-            {8'h93}, /* 0x0024 */
-            {8'hff}, /* 0x0023 */
-            {8'hff}, /* 0x0022 */
-            {8'hf2}, /* 0x0021 */
-            {8'hb7}, /* 0x0020 */
+            {8'h02}, /* 0x0032 */
+            {8'ha2}, /* 0x0031 */
+            {8'h83}, /* 0x0030 */
+            {8'h00}, /* 0x002f */
+            {8'h62}, /* 0x002e */
+            {8'h82}, /* 0x002d */
+            {8'hb3}, /* 0x002c */
+            {8'h16}, /* 0x002b */
+            {8'h83}, /* 0x002a */
+            {8'h03}, /* 0x0029 */
+            {8'h13}, /* 0x0028 */
+            {8'hff}, /* 0x0027 */
+            {8'hff}, /* 0x0026 */
+            {8'hf3}, /* 0x0025 */
+            {8'h37}, /* 0x0024 */
+            {8'h00}, /* 0x0023 */
+            {8'h00}, /* 0x0022 */
+            {8'h02}, /* 0x0021 */
+            {8'h97}, /* 0x0020 */
             {8'h10}, /* 0x001f */
             {8'h50}, /* 0x001e */
             {8'h00}, /* 0x001d */

target/snitch_cluster/test/gen_bootrom_param.py

@@ -18,7 +18,7 @@
 from struct import *
 
 # Parse arguments.
-parser = argparse.ArgumentParser(description="Generate thestral_bootrom.sv")
+parser = argparse.ArgumentParser(description="Generate bootrom.sv")
 parser.add_argument("BINARY",
                     help="Binary image for which to create a bootrom")
 parser.add_argument(