target/veer/syscall_latency/BUILD.bazel

# Licensed under the Apache-2.0 license
# SPDX-License-Identifier: Apache-2.0

load("@pigweed//pw_kernel/tooling:rust_app.bzl", "rust_app")
load("@pigweed//pw_kernel/tooling:system_image.bzl", "system_image")
load("@pigweed//pw_kernel/tooling:target_codegen.bzl", "target_codegen")
load("@pigweed//pw_kernel/tooling:target_linker_script.bzl", "target_linker_script")
load("@pigweed//pw_kernel/tooling/panic_detector:rust_binary_no_panics_test.bzl", "rust_binary_no_panics_test")
load("@rules_rust//rust:defs.bzl", "rust_binary")
load("//target/veer:defs.bzl", "TARGET_COMPATIBLE_WITH")
load("//target/veer/tooling:caliptra_runner.bzl", "caliptra_runner", "caliptra_test")

rust_app(
    name = "syscall_latency",
    srcs = [
        "main.rs",
    ],
    codegen_crate_name = "app_syscall_latency",
    crate_features = select({
        "//target/veer:emulator": ["emulator"],
        "//target/veer:fpga": ["fpga"],
        "//target/veer:silicon": ["silicon"],
        "//conditions:default": [],
    }),
    crate_name = "syscall_latency",
    edition = "2024",
    system_config = "@pigweed//pw_kernel/target:system_config_file",
    tags = ["kernel"],
    target_compatible_with = TARGET_COMPATIBLE_WITH,
    deps = [
        "//target/veer:config",
        "@pigweed//pw_base64/rust:pw_base64",
        "@pigweed//pw_kernel/syscall:syscall_user",
        "@pigweed//pw_kernel/userspace",
        "@pigweed//pw_log/rust:pw_log",
        "@pigweed//pw_status/rust:pw_status",
    ],
)

system_image(
    name = "measure_syscall_latency",
    apps = [
        ":syscall_latency",
    ],
    kernel = ":target",
    platform = "//target/veer",
    system_config = ":system_config",
    tags = ["kernel"],
)

target_linker_script(
    name = "linker_script",
    system_config = ":system_config",
    tags = ["kernel"],
    template = "//target/veer:linker_script_template",
)

filegroup(
    name = "system_config",
    srcs = ["system.json5"],
)

target_codegen(
    name = "codegen",
    arch = "@pigweed//pw_kernel/arch/riscv:arch_riscv",
    system_config = ":system_config",
)

rust_binary(
    name = "target",
    srcs = [
        "target.rs",
    ],
    edition = "2024",
    tags = ["kernel"],
    target_compatible_with = TARGET_COMPATIBLE_WITH,
    deps = [
        ":codegen",
        ":linker_script",
        "//target/veer:entry",
        "@pigweed//pw_kernel/arch/riscv:arch_riscv",
        "@pigweed//pw_kernel/kernel",
        "@pigweed//pw_kernel/lib/memory_config",
        "@pigweed//pw_kernel/subsys/console:console_backend",
        "@pigweed//pw_kernel/target:target_common",
        "@pigweed//pw_kernel/userspace",
        "@pigweed//pw_log/rust:pw_log",
    ],
)

rust_binary_no_panics_test(
    name = "no_panics_test",
    binary = ":measure_syscall_latency",
    tags = ["kernel"],
)

caliptra_runner(
    name = "measure_syscall_latency_emulator",
    interface = "emulator",
    tags = ["manual"],
    target = ":measure_syscall_latency",
)

caliptra_test(
    name = "measure_syscall_latency_emulator_test",
    timeout = "long",
    interface = "emulator",
    # caliptra_runner.py hardcodes --i3c-port=65534, so caliptra emulator
    # tests cannot run in parallel without an EADDRINUSE collision.
    tags = [
        "emulator",
        "exclusive",
    ],
    target = ":measure_syscall_latency",
)