include "mem_config.fbs";
include "clock.fbs";

namespace hmmmm.config;

// Configuration for a single base device (leaf node in the device tree).
// Equivalent to a standalone device TOML (e.g. AVRrc.toml, gpio.toml).
table BaseDeviceConfig {
    libpath:      string;
    mem_segments: [MemSegment];
}

// Override for one memory segment within a child device.
// Only fields that need changing from the base config must be set.
table MemSegOverride {
    segment:    string;
    start:      uint32;
    len:        uint32;
    word_len:   uint8;
    executable: bool;
}

// One device entry in a composite configuration.
table DeviceEntry {
    // Local identifier, unique within this composite (e.g. "core", "gpio_a").
    id: string;

    // Exactly one of config or config_path must be set.
    // config:      inline base device configuration.
    // config_path: path to a serialised BaseDeviceConfig FlatBuffer file.
    config:      BaseDeviceConfig;
    config_path: string;

    clock:     DeviceClockConfig;
    overrides: [MemSegOverride];
}

// Root type when serialising a standalone device config to a binary file.
root_type BaseDeviceConfig;