[bazel,qemu] Add SiVal QEMU execution environment.

Add a `sim_qemu_sival` environment for running tests with the SiVal
lockdowns but without going through `ROM_EXT` to run owner code.

Useful for e.g. OTP testing.

Signed-off-by: Alex Jones <[email protected]>

Author: AlexJones0

hw/top_earlgrey/BUILD

@@ -175,6 +175,18 @@ sim_qemu(
     rom = "//sw/device/silicon_creator/rom:mask_rom",
 )
 
+sim_qemu(
+    name = "sim_qemu_sival",
+    testonly = True,
+    base = ":sim_qemu_base",
+    ecdsa_key = {"//sw/device/silicon_creator/rom/keys/fake/ecdsa:ecdsa_keyset": "prod_key_0"},
+    exec_env = "sim_qemu_sival",
+    manifest = "//sw/device/silicon_creator/rom_ext:manifest",
+    otp = "//hw/ip/otp_ctrl/data/earlgrey_skus/emulation:otp_img_prod_manuf_personalized",
+    rom = "//sw/device/silicon_creator/rom:mask_rom",
+    spx_key = {"//sw/device/silicon_creator/rom/keys/fake/spx:spx_keyset": "prod_key_0"},
+)
+
 sim_qemu(
     name = "sim_qemu_rom_ext",
     testonly = True,