[ot] .github/workflows: opentitan: build_test.yml

Add QEMU OT machine configuration file option

Signed-off-by: Emmanuel Blot <eblot@rivosinc.com>

Author: rivos-eblot

.github/workflows/build_test.yaml

@@ -50,6 +50,7 @@ jobs:
           path: |
             build-clang/qemu-system-riscv32
             build-clang/exit_*.bin
+            docs/config/opentitan/*.cfg
           retention-days: 1
       - name: Pack source artifacts
         # GitHub takes ages to retrieve each source file, so pack them
@@ -150,24 +151,26 @@ jobs:
           name: qemu-bin
       - name: Check machine availability
         run: |
-          chmod +x ./qemu-system-riscv32 &&
-          ./qemu-system-riscv32 -M help | grep ibexdemo &&
-          ./qemu-system-riscv32 -M help | grep ot-earlgrey &&
-          ./qemu-system-riscv32 -M help | grep ot-darjeeling
+          chmod +x build-clang/qemu-system-riscv32 &&
+          build-clang/qemu-system-riscv32 -M help | grep ibexdemo &&
+          build-clang/qemu-system-riscv32 -M help | grep ot-earlgrey &&
+          build-clang/qemu-system-riscv32 -M help | grep ot-darjeeling
       - name: Check IbexDemo VM execution
         run: |
-          timeout -s KILL 4 ./qemu-system-riscv32 -M ibexdemo -nographic \
-            -device loader,addr=0x100080,file=exit_id.bin -d in_asm,int
+          timeout -s KILL 4 build-clang/qemu-system-riscv32 -M ibexdemo -nographic \
+            -device loader,addr=0x100080,file=build-clang/exit_id.bin -d in_asm,int
       - name: Check EarlGrey VM execution
         run: |
-          timeout -s KILL 4 ./qemu-system-riscv32 -M ot-earlgrey,no_epmp_cfg=true -nographic \
-            -object ot-rom_img,id=rom,file=exit_eg.bin -global ot-ibex_wrapper.lc-ignore=on \
-            -d in_asm,int
+          timeout -s KILL 4 build-clang/qemu-system-riscv32 -M ot-earlgrey,no_epmp_cfg=true -nographic \
+            -object ot-rom_img,id=rom,file=build-clang/exit_eg.bin -global ot-ibex_wrapper.lc-ignore=on \
+            -readconfig docs/config/opentitan/earlgrey.cfg -d in_asm,int \
+            -trace ot_ibex_wrapper_exit
       - name: Check Darjeeling VM execution
         run: |
-          timeout -s KILL 4 ./qemu-system-riscv32 -M ot-darjeeling,no_epmp_cfg=true -nographic \
-            -object ot-rom_img,id=rom0,file=exit_dj.bin -global ot-ibex_wrapper.lc-ignore=on \
-            -d in_asm,int
+          timeout -s KILL 4 build-clang/qemu-system-riscv32 -M ot-darjeeling,no_epmp_cfg=true -nographic \
+            -object ot-rom_img,id=rom0,file=build-clang/exit_dj.bin -global ot-ibex_wrapper.lc-ignore=on \
+            -readconfig docs/config/opentitan/darjeeling.cfg -d in_asm,int \
+            -trace ot_ibex_wrapper_exit
 
   build-gcc:
     runs-on: ubuntu-24.04