{% extends "base.html" %}
{% set active = 'registers' %}
{% block title %}{{ node.name }} · DocGraph{% endblock %}
{% block content %}

<nav class="crumbs"><a href="/registers">寄存器</a> / <strong>{{ node.name }}</strong></nav>

<h1>{{ node.name }}</h1>
<p class="muted">
  qualified <code>{{ node.qualified_name }}</code>
  · doc <code>{{ node.doc_id | short_id }}</code>
  · page {{ node.location.page or '—' }}
  · source <span class="tag tag-{{ node.attrs.get('source','heuristic') }}">{{ node.attrs.get('source','heuristic') }}</span>
</p>

{% if node.summary %}<blockquote>{{ node.summary }}</blockquote>{% endif %}

<dl class="kv">
  <dt>address</dt><dd><code>{{ node.attrs.get('address') or '—' }}</code></dd>
  <dt>offset</dt><dd><code>{{ node.attrs.get('offset') or '—' }}</code></dd>
  <dt>width</dt><dd>{{ node.attrs.get('width') or 32 }} bits</dd>
  <dt>access</dt><dd>{{ node.attrs.get('access') or '—' }}</dd>
  <dt>reset</dt><dd><code>{{ node.attrs.get('reset_value') or '—' }}</code></dd>
</dl>

<h2>位图（{{ node.attrs.get('width', 32) }} bits）</h2>
<div class="bit-layout">
{% set width = node.attrs.get('width', 32) %}
{# 自顶向下渲染，从 MSB → LSB #}
{% for bit in range(width - 1, -1, -1) %}
  {% set claimed = namespace(bf=None) %}
  {% for bf in bitfields %}
    {% if claimed.bf is none and bf.attrs.bit_high >= bit >= bf.attrs.bit_low %}
      {% set claimed.bf = bf %}
    {% endif %}
  {% endfor %}
  {% if claimed.bf %}
    {% set bf = claimed.bf %}
    <div class="bit-cell bit-claimed"
         title="bit {{ bit }} · {{ bf.name }} · {{ bf.attrs.access or '' }}"
         data-name="{{ bf.name }}">
      <span class="bit-no">{{ bit }}</span>
      <span class="bit-name">{{ bf.name }}</span>
    </div>
  {% else %}
    <div class="bit-cell bit-reserved" title="bit {{ bit }}">
      <span class="bit-no">{{ bit }}</span>
      <span class="bit-name">—</span>
    </div>
  {% endif %}
{% endfor %}
</div>

<h2>位域 ({{ bitfields|length }})</h2>

{% if not bitfields %}
  <p class="muted">没有位域。可能是 LLM 抽取还没覆盖；试试 docgraph review 检查置信度。</p>
{% else %}
<table class="grid">
<thead><tr>
  <th>bits</th><th>name</th><th>access</th><th>reset</th><th>description</th>
</tr></thead>
<tbody>
{% for bf in bitfields %}
<tr>
  <td><code>{{ bf.attrs.bit_high }}:{{ bf.attrs.bit_low }}</code></td>
  <td><strong>{{ bf.name }}</strong></td>
  <td>{{ bf.attrs.access or '—' }}</td>
  <td><code>{{ bf.attrs.reset or '—' }}</code></td>
  <td>{{ bf.attrs.description | short(200) }}</td>
</tr>
{% endfor %}
</tbody>
</table>
{% endif %}

<details>
  <summary>原始 JSON</summary>
  <pre><code>{{ node.model_dump_json(indent=2) }}</code></pre>
</details>

{% endblock %}