mirror of
https://github.com/retroSoC/retroSoC.git
synced 2026-11-06 14:55:14 +00:00
maksyuki
ef84c818b0
- Updated filelist to include new XPI source files. - Modified IRQ compatibility mapping for XPI in the SOC topology generator. - Adjusted JSON topology configuration to reflect new IRQ signal naming. - Changed software.mk to reference the new XPI HAL source file. - Enhanced APB4 peripheral module to include XPI IRQ signal. - Updated RTL style audit to include new XPI files. - Documented new XPI programming script in README. - Added a new script for programming XPI flash through OpenOCD. - Enhanced XPI IO testbench to validate new LUT engine and isolation behavior. - Created unit tests for the new XPI programming tool and its functionalities.
426 lines
18 KiB
Python
426 lines
18 KiB
Python
"""Tests for the generated Mini SoC internal integration bindings."""
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from __future__ import annotations
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import json
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import shutil
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import subprocess
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import sys
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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TOPOLOGY = ROOT / "rtl/mini/integration/soc_topology.json"
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GENERATOR = ROOT / "rtl/mini/integration/generate_soc_topology.py"
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MEMORY_MAP = ROOT / "rtl/mini/address_map/memory_map.json"
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MEMORY_MAP_GENERATOR = ROOT / "rtl/mini/address_map/generate_memory_map.py"
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def generate(output_dir: Path) -> None:
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subprocess.run(
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[
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sys.executable,
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str(GENERATOR),
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"--map",
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str(TOPOLOGY),
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"--memory-map",
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str(MEMORY_MAP),
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"--output-dir",
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str(output_dir),
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],
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check=True,
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)
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def validate(topology: Path) -> subprocess.CompletedProcess[str]:
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return subprocess.run(
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[
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sys.executable,
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str(GENERATOR),
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"--map",
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str(topology),
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"--memory-map",
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str(MEMORY_MAP),
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"--check",
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],
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text=True,
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capture_output=True,
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)
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def write_invalid_topology(tmp_path: Path, document: dict[str, object]) -> Path:
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path = tmp_path / "invalid_topology.json"
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path.write_text(json.dumps(document), encoding="utf-8")
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return path
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def test_topology_generates_complete_rib_apb_and_gpio_bindings(tmp_path: Path) -> None:
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generate(tmp_path)
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interfaces = (tmp_path / "rtl/apb4_periph_interfaces.svh").read_text(encoding="utf-8")
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routes = (tmp_path / "rtl/apb4_periph_select_routes.svh").read_text(encoding="utf-8")
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gpio = (tmp_path / "rtl/soc_gpio_alt_bindings.svh").read_text(encoding="utf-8")
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apb_interfaces = (tmp_path / "rtl/apb4_system_interfaces.svh").read_text(encoding="utf-8")
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apb_declarations = (tmp_path / "rtl/apb4_system_declarations.svh").read_text(encoding="utf-8")
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apb_routes = (tmp_path / "rtl/apb4_system_request_routes.svh").read_text(encoding="utf-8")
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apb_response = (tmp_path / "rtl/apb4_system_response_mux.svh").read_text(encoding="utf-8")
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fabric = (tmp_path / "rtl/soc_fabric_interfaces.svh").read_text(encoding="utf-8")
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bus_fabric = (tmp_path / "rtl/soc_bus_fabric.svh").read_text(encoding="utf-8")
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apb_system_fabric = (tmp_path / "rtl/apb4_system_fabric.svh").read_text(encoding="utf-8")
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irq_config = (tmp_path / "rtl/soc_irq_config.svh").read_text(encoding="utf-8")
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rib_irq = (tmp_path / "rtl/apb4_periph_irq_bindings.svh").read_text(encoding="utf-8")
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apb_irq = (tmp_path / "rtl/apb4_system_irq_bindings.svh").read_text(encoding="utf-8")
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irq_wiring = (tmp_path / "rtl/soc_irq_wiring.svh").read_text(encoding="utf-8")
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irq_sva = (tmp_path / "rtl/soc_irq_sva.svh").read_text(encoding="utf-8")
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filelist = (tmp_path / "soc_topology.fl").read_text(encoding="utf-8")
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assert interfaces.count("apb4_if u_") == 18
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assert "nmi_if" not in interfaces
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assert "soc_nmi" not in interfaces
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assert "assign s_psel_comb[17] = `SOC_ADDR_IS_APB4_I2C1(s_decode_addr);" in routes
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assert "assign s_psel_comb[1] = `SOC_ADDR_IS_APB4_GPIO(s_decode_addr) || `SOC_ADDR_IS_APB4_GPIO_ADMIN(s_decode_addr);" in routes
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assert "SOC_ADDR_FLASH" not in routes
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assert "assign s_psel_comb[15] = `SOC_ADDR_IS_APB4_SDIO0(s_decode_addr);" in routes
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assert "assign s_psel_comb[16] = `SOC_ADDR_IS_APB4_OPIPSRAM(s_decode_addr);" in routes
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assert "assign s_psel_comb[18] = `SOC_ADDR_IS_APB4_SDIO1(s_decode_addr);" in routes
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assert gpio.count("// GPIO") == 64
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assert "u_uart1_if" not in gpio
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assert "assign u_uart0_if.cts_n_i = u_gpio_if.di_i[0];" in gpio
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assert "assign u_gpio_if.alt0_do_i[0] = 1'b0;" in gpio
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assert "assign u_gpio_if.alt0_oe_i[0] = 1'b0;" in gpio
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assert "assign u_gpio_if.alt0_do_i[1] = u_uart0_if.rts_n_o;" in gpio
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assert "assign u_gpio_if.alt0_oe_i[1] = 1'b1;" in gpio
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assert "assign u_gpio_if.alt0_do_i[15] = u_sdio0_if.sck_o;" in gpio
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assert "assign u_sdio0_if.cmd_di_i = u_gpio_if.di_i[16];" in gpio
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assert "assign u_gpio_if.alt1_do_i[0] = u_ps2_if.ps2_clk_o;" in gpio
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assert "assign u_gpio_if.alt1_oe_i[0] = u_ps2_if.ps2_clk_oe_o;" in gpio
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assert "assign u_gpio_if.alt1_do_i[1] = u_ps2_if.ps2_dat_o;" in gpio
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assert "assign u_gpio_if.alt1_oe_i[1] = u_ps2_if.ps2_dat_oe_o;" in gpio
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assert "assign u_gpio_if.alt1_do_i[2] = u_ws2812_if.dat_o;" in gpio
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assert "assign u_pwm_if.sync_i = u_gpio_if.di_i[2];" in gpio
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assert "assign u_gpio_if.alt0_do_i[3] = u_pwm_if.pwm_o[0];" in gpio
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assert "assign u_gpio_if.alt0_oe_i[3] = u_pwm_if.oe_o[0];" in gpio
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assert "assign u_pwm_if.fault_i = u_gpio_if.di_i[9];" in gpio
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assert "assign u_pwm_if.capture_i[0] = u_gpio_if.di_i[30];" in gpio
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assert "assign u_pwm_if.capture_i[1] = u_gpio_if.di_i[31];" in gpio
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assert "assign u_gpio_if.alt1_do_i[22] = u_psram_if.nss_o[0];" in gpio
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assert "assign u_gpio_if.alt0_do_i[21] = u_opipsram_if.ck_o;" in gpio
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assert "assign u_gpio_if.alt0_do_i[22] = u_opipsram_if.cs_n_o;" in gpio
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assert "assign u_opipsram_if.dq_i[6] = u_gpio_if.di_i[29];" in gpio
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assert "assign u_gpio_if.alt0_oe_i[29] = u_opipsram_if.dq_oe_o[6];" in gpio
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assert "assign u_opipsram_if.rwds_i = u_gpio_if.di_i[31];" in gpio
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assert "assign u_gpio_if.alt0_do_i[31] = u_opipsram_if.rwds_o;" in gpio
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assert "s_tmr_capch" not in gpio
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assert apb_interfaces.count("apb4_if u_") == 8
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assert "apb4_pure_if u_archinfo_apb4_pure_if ();" in apb_interfaces
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assert "assign user_ip.paddr = s_addr_q;" in apb_routes
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assert "({32{s_psel_q[7]}} & user_ip.prdata)" in apb_response
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assert "localparam int NSLV = 8;" in apb_declarations
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assert fabric.count("axi4_if #(") == 7
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assert ".mgmt_axi4(u_mgmt_axi4_if)" in bus_fabric
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assert ".user_axi4(u_user_axi4_if)" in bus_fabric
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assert ".dma_axi4(u_dma_axi4_if)" in bus_fabric
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assert ".sdio0_axi4(u_sdio0_axi4_if)" in bus_fabric
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assert ".sdio1_axi4(u_sdio1_axi4_if)" in bus_fabric
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assert ".cfg_axi4(u_cfg_axi4_if)" in bus_fabric
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assert ".system_axi4(u_system_axi4_if)" in bus_fabric
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assert ".axi4(u_system_axi4_if)" in apb_system_fabric
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assert "`define SOC_IRQ_VECTOR_WIDTH 32" in irq_config
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assert "`define SOC_USER_IRQ_MASK 32'h004EFBFC" in irq_config
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assert "`define SOC_IRQ_APB4_PERIPH_WIDTH 18" in irq_config
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assert "`define SOC_IRQ_APB4_SYSTEM_WIDTH 5" in irq_config
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assert "assign irq_o[0] = u_clint_if.software_irq_o[0];" in rib_irq
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assert "assign irq_o[10] = ws2812.irq_o;" in rib_irq
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assert "assign irq_o[11] = gpio.irq_o;" in rib_irq
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assert "assign irq_o[12] = i2c1.irq_o;" in rib_irq
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assert "assign irq_o[13] = s_dvp_irq;" in rib_irq
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assert "assign irq_o[14] = s_dma_irq;" in rib_irq
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assert "assign irq_o[15] = opipsram.irq_o;" in rib_irq
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assert "assign irq_o[16] = sdio0.irq_o;" in rib_irq
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assert "assign irq_o[17] = sdio1.irq_o;" in rib_irq
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assert "assign irq_o[0] = pwm.irq_o;" in apb_irq
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assert "assign irq_o[4] = s_rng_irq;" in apb_irq
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assert "s_irq[10] = s_apb4_periph_irq[16];" in irq_wiring
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assert "s_irq[15] = s_apb4_periph_irq[13];" in irq_wiring
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assert "s_irq[16] = s_apb4_system_irq[4];" in irq_wiring
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assert "s_irq[20] = s_apb4_periph_irq[14];" in irq_wiring
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assert "s_irq[22] = s_apb4_periph_irq[15];" in irq_wiring
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assert "s_irq[21] = s_apb4_periph_irq[17];" in irq_wiring
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assert "irq_i[10] == apb4_periph_irq_i[16]" in irq_sva
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assert "irq_i[15] == apb4_periph_irq_i[13]" in irq_sva
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assert "irq_i[20] == apb4_periph_irq_i[14]" in irq_sva
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assert "irq_i[22] == apb4_periph_irq_i[15]" in irq_sva
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assert "irq_i[21] == apb4_periph_irq_i[17]" in irq_sva
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assert "irq_i[31] == 1'b0" in irq_sva
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assert "bind retrosoc soc_irq_topology_sva" in irq_sva
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assert filelist.startswith("+incdir+")
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def test_topology_preserves_default_irq_compatibility_mapping() -> None:
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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assert document["irq_vector_width"] == 32
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mappings = [
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(
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interrupt["name"],
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interrupt["group"],
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interrupt["group_bit"],
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interrupt["core_bit"],
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interrupt["signal"],
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)
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for interrupt in document["interrupts"]
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]
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assert mappings == [
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("clint_software", "apb4_periph", 0, 0, "u_clint_if.software_irq_o[0]"),
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("clint_timer", "apb4_periph", 1, 1, "u_clint_if.timer_irq_o[0]"),
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("uart0", "apb4_periph", 2, 2, "uart.irq_o"),
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("timer0", "apb4_periph", 3, 3, "s_tim0_irq"),
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("timer1", "apb4_periph", 4, 4, "s_tim1_irq"),
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("psram", "apb4_periph", 5, 5, "psram.irq_o"),
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("spisd", "apb4_periph", 6, 6, "spisd.irq_o"),
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("i2c0", "apb4_periph", 7, 7, "i2c0.irq_o"),
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("i2s", "apb4_periph", 8, 8, "i2s.irq_o"),
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("xpi", "apb4_periph", 9, 9, "s_xpi_irq"),
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("sdio0", "apb4_periph", 16, 10, "sdio0.irq_o"),
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("pwm", "apb4_system", 0, 11, "pwm.irq_o"),
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("ps2", "apb4_system", 1, 12, "ps2.irq_o"),
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("rtc", "apb4_system", 2, 13, "u_rtc_if.irq_o"),
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("watchdog_early_warning", "apb4_system", 3, 14, "u_wdg_if.irq_o"),
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("rng", "apb4_system", 4, 16, "s_rng_irq"),
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("ws2812", "apb4_periph", 10, 17, "ws2812.irq_o"),
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("gpio", "apb4_periph", 11, 18, "gpio.irq_o"),
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("i2c1", "apb4_periph", 12, 19, "i2c1.irq_o"),
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("dvp", "apb4_periph", 13, 15, "s_dvp_irq"),
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("dma", "apb4_periph", 14, 20, "s_dma_irq"),
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("opipsram", "apb4_periph", 15, 22, "opipsram.irq_o"),
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("sdio1", "apb4_periph", 17, 21, "sdio1.irq_o"),
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]
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def test_topology_always_adds_the_user_apb_target(tmp_path: Path) -> None:
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generate(tmp_path)
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interfaces = (tmp_path / "rtl/apb4_system_interfaces.svh").read_text(encoding="utf-8")
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declarations = (tmp_path / "rtl/apb4_system_declarations.svh").read_text(encoding="utf-8")
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response = (tmp_path / "rtl/apb4_system_response_mux.svh").read_text(encoding="utf-8")
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formal_design = (ROOT / "rtl/mini/formal/rib2apb_formal.sv").read_text(encoding="utf-8")
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formal_properties = (ROOT / "rtl/mini/formal/rib2apb_formal_props.sv").read_text(
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encoding="utf-8"
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)
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assert "apb4_if u_user_ip_apb4_if (clk_i, rst_n_i);" in interfaces
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assert "localparam int NSLV = 8;" in declarations
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assert "s_psel_q[7]" in response
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assert "apb4_pure_if user_ip ();" in formal_design
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assert ".user_ip (user_ip)" in formal_design
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assert "logic [ 7:0] psel_comb" in formal_design
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assert "wire [ 7:0] psel_comb" in formal_properties
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def test_topology_rejects_unknown_or_non_rib_regions(tmp_path: Path) -> None:
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["apb4_periph_targets"][0]["regions"] = ["UNKNOWN"]
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "unknown region" in result.stderr
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["apb4_periph_targets"][0]["regions"] = ["SRAM"]
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "not an active apb4_periph region" in result.stderr
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def test_topology_rejects_duplicate_region_and_disabled_owner(tmp_path: Path) -> None:
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["apb4_periph_targets"][1]["regions"] = ["APB4_UART0"]
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "multiple targets" in result.stderr
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["apb4_periph_targets"][15]["disabled"] = True
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document["apb4_periph_targets"][15]["regions"] = ["APB4_SDIO0"]
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "disabled but declares regions" in result.stderr
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["fabric_links"][1]["name"] = "mgmt"
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "fabric role mgmt is duplicated" in result.stderr
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def test_topology_rejects_invalid_apb_target_ownership(tmp_path: Path) -> None:
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["apb4_system_targets"][0]["region"] = "SRAM"
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "not an active apb4_system region" in result.stderr
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["apb4_system_targets"][7]["slot"] = 0
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "apb4_system_targets target slot 0 is duplicated" in result.stderr
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def test_topology_rejects_invalid_gpio_coverage_and_expression(tmp_path: Path) -> None:
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["gpio_alt_functions"][1]["pin"] = 0
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "gpio pin 0 is duplicated" in result.stderr
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["gpio_alt_functions"].pop()
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "one entry for every GPIO pin" in result.stderr
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["gpio_alt_functions"][0]["alt0"]["do"] = "left + right"
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "scalar SystemVerilog reference or constant" in result.stderr
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def test_topology_rejects_invalid_irq_groups_and_bindings(tmp_path: Path) -> None:
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["irq_groups"][1]["name"] = "apb4_periph"
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "interrupt group apb4_periph is duplicated" in result.stderr
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["interrupts"][1]["group_bit"] = 0
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "interrupt group apb4_periph bit 0 is duplicated" in result.stderr
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["interrupts"][1]["core_bit"] = 0
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "core interrupt bit 0 is duplicated" in result.stderr
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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rng_index = next(
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index
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for index, interrupt in enumerate(document["interrupts"])
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if interrupt["name"] == "rng"
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)
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document["interrupts"].pop(rng_index)
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "interrupt group apb4_system does not cover every group bit" in result.stderr
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document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
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document["interrupts"][0]["signal"] = "left | right"
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result = validate(write_invalid_topology(tmp_path, document))
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assert result.returncode != 0
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assert "scalar SystemVerilog reference or constant" in result.stderr
|
|
|
|
document = json.loads(TOPOLOGY.read_text(encoding="utf-8"))
|
|
document["interrupts"][0]["signal"] = "uart.irq_o"
|
|
result = validate(write_invalid_topology(tmp_path, document))
|
|
assert result.returncode != 0
|
|
assert "core interrupt bit 0 must retain its compatibility binding" in result.stderr
|
|
|
|
|
|
def test_generated_irq_wiring_preserves_the_expected_core_vector(tmp_path: Path) -> None:
|
|
iverilog = shutil.which("iverilog")
|
|
vvp = shutil.which("vvp")
|
|
if iverilog is None or vvp is None:
|
|
return
|
|
|
|
topology_output = tmp_path / "topology"
|
|
generate(topology_output)
|
|
simulation = tmp_path / "soc_irq_topology_tb"
|
|
subprocess.run(
|
|
[
|
|
iverilog,
|
|
"-g2012",
|
|
"-I",
|
|
str(topology_output / "rtl"),
|
|
"-s",
|
|
"soc_irq_topology_tb",
|
|
"-o",
|
|
str(simulation),
|
|
str(ROOT / "tests/rtl/soc_irq_topology_tb.sv"),
|
|
],
|
|
check=True,
|
|
)
|
|
result = subprocess.run([vvp, str(simulation)], text=True, capture_output=True, check=True)
|
|
assert "SoC topology IRQ routing test passed" in result.stdout
|
|
|
|
|
|
def test_generated_rib_routes_select_and_return_the_expected_target(tmp_path: Path) -> None:
|
|
iverilog = shutil.which("iverilog")
|
|
sv2v = shutil.which("sv2v")
|
|
vvp = shutil.which("vvp")
|
|
if iverilog is None or sv2v is None or vvp is None:
|
|
return
|
|
|
|
memory_map_output = tmp_path / "memory_map"
|
|
subprocess.run(
|
|
[
|
|
sys.executable,
|
|
str(MEMORY_MAP_GENERATOR),
|
|
"--map",
|
|
str(MEMORY_MAP),
|
|
"--output-dir",
|
|
str(memory_map_output),
|
|
"--have-sram-if",
|
|
"NO",
|
|
],
|
|
check=True,
|
|
)
|
|
topology_output = tmp_path / "topology"
|
|
generate(topology_output)
|
|
|
|
source_list = tmp_path / "apb4_topology.fl"
|
|
source_list.write_text(
|
|
"\n".join(
|
|
[
|
|
"+define+SV_ASSRT_DISABLE",
|
|
f"+incdir+{memory_map_output / 'rtl'}",
|
|
f"+incdir+{topology_output / 'rtl'}",
|
|
f"+incdir+{ROOT / 'rtl/managed/clusterip/common/rtl'}",
|
|
f"+incdir+{ROOT / 'rtl/managed/clusterip/common/rtl/interface'}",
|
|
str(ROOT / "rtl/managed/clusterip/common/rtl/interface/apb4_if.sv"),
|
|
str(ROOT / "rtl/managed/clusterip/common/rtl/utils/register.sv"),
|
|
str(ROOT / "tests/rtl/apb4_topology_tb.sv"),
|
|
"",
|
|
]
|
|
),
|
|
encoding="utf-8",
|
|
)
|
|
converted = tmp_path / "apb4_topology_tb.v"
|
|
subprocess.run(
|
|
[
|
|
sys.executable,
|
|
str(ROOT / "rtl/mini/script/convt_sv2v.py"),
|
|
"-f",
|
|
str(source_list),
|
|
"--output",
|
|
str(converted),
|
|
],
|
|
check=True,
|
|
)
|
|
simulation = tmp_path / "apb4_topology_tb"
|
|
subprocess.run(
|
|
[
|
|
iverilog,
|
|
"-g2012",
|
|
"-s",
|
|
"apb4_topology_tb",
|
|
"-o",
|
|
str(simulation),
|
|
str(converted),
|
|
],
|
|
check=True,
|
|
)
|
|
result = subprocess.run([vvp, str(simulation)], text=True, capture_output=True, check=True)
|
|
assert "SoC topology APB4 routing test passed" in result.stdout
|