feat: add GPIO V2 support and related tests

- Updated  to include  for testing.
- Modified  to include GPIO header and added tests for GPIO functionality.
- Created a new testbench  for GPIO V2, covering register and pad-control contracts.
- Removed obsolete  and its associated test.
- Updated  to include GPIO admin base routing.
- Added a new Python test  for GPIO V2 register and pad-control contract.
- Removed  as its functionality is now covered in .
- Updated memory map tests to ensure GPIO admin base is correctly referenced.
- Adjusted formal filelist generation to reflect changes in GPIO handling.
- Enhanced SOC topology tests to include GPIO interrupt handling.

tests/test_memory_map.py

@@ -58,6 +58,8 @@ def test_generated_artifacts_share_the_capacity_baseline(tmp_path: Path) -> None
     assert "RS_SOC_PSRAM_SIZE UINT32_C(0x00800000)" in header
     assert "RS_SOC_SDRAM_SIZE UINT32_C(0x02000000)" in header
     assert "RS_SOC_SPISD_SIZE UINT32_C(0x40000000)" in header
+    assert "#ifdef __ASSEMBLER__" in header
+    assert "#define UINT32_C(value) value" in header
     assert "RS_SOC_RIBP_SDIO_BASE" not in header
     assert "RS_SOC_NMI_" not in header
     assert "RS_SOC_OPIPSRAM_BASE" not in header
@@ -83,6 +85,17 @@ def test_user_ip_is_always_emitted_for_the_fixed_platform(tmp_path: Path) -> Non
     assert "RS_SOC_APB_USER_IP_BASE" in header
 
 
+def test_bootstrap_assembly_uses_the_generated_gpio_admin_base() -> None:
+    for source in (ROOT / "crt/arch/riscv/startup.S", ROOT / "app/asm/hello.s"):
+        text = source.read_text(encoding="utf-8")
+        assert '#include "retrosoc/generated/memory_map.h"' in text
+        assert "RS_SOC_RIBP_GPIO_ADMIN_BASE + 0x34" in text
+        assert "RS_SOC_RIBP_GPIO_ADMIN_BASE + 0x38" in text
+        assert "RS_SOC_RIBP_PSRAM_BASE + 0x08" in text
+        assert "0x10000028" not in text
+        assert "0x1000002c" not in text
+
+
 def test_map_validation_rejects_overlaps(tmp_path: Path) -> None:
     document = json.loads(MEMORY_MAP.read_text(encoding="utf-8"))
     document["regions"][1]["base"] = document["regions"][0]["base"]