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drivers: log devices.csv columns + friendly labels for all buses

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Each bus's discovery line now prints the device's would-be /etc/devices.csv row
(bus, base, class, prog_if, vendor, device, subsystem / hid) in uppercase hex,
followed by the human-readable names — so a row for a new driver reads straight
off the boot log, for pci, usb, and acpi alike.

- pci-bus: logFunction moved to registerAndReport (where vendor/device/subsystem
  are read from config space) and reformatted to columns + names; subsystem
  prints '*' when the function has none. Read unclaimed via the bridge ECAM, so
  no per-function claim is needed.
- usb-xhci-bus, acpi: the same column framing on their existing discovery lines.
- qemu_test.py: the acpi-ps2 and acpi-report regexes updated to the new ACPI
  format (both verified passing in QEMU).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KJqSiLLchDUUCoXn5jsiwd
This commit is contained in:
daniel
2026-07-26 17:32:27 +01:00
co-authored by Claude Opus 4.8
parent 081ba1d74e
commit 48b9ed4001
4 changed files with 28 additions and 19 deletions
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system/services/acpi/acpi.zig
+4 -2
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@@ -214,11 +214,13 @@ fn onInit(endpoint: ipc.Handle) bool {
while (i < registered_count) : (i += 1) {
const entry = registered[i];
const hid = entry.hid[0..entry.hid_len];
// The devices.csv columns (bus=acpi, hid) then the human-readable name — a
// would-be /etc/devices.csv row read straight off the boot log.
const desc = acpi_ids.description(hid);
if (desc.len != 0)
std.log.info("reported {s} (device {d}, {d} resources) — {s}", .{ hid, entry.device_id, entry.resource_count, desc })
std.log.info("device {d} bus=acpi hid={s} — {s} ({d} resources)", .{ entry.device_id, hid, desc, entry.resource_count })
else
std.log.info("reported {s} (device {d}, {d} resources)", .{ hid, entry.device_id, entry.resource_count });
std.log.info("device {d} bus=acpi hid={s} ({d} resources)", .{ entry.device_id, hid, entry.resource_count });
if (manager) |h| {
var report = device_manager_protocol.ChildAdded{ .bus = @intFromEnum(device_manager_protocol.BusKind.acpi), .parent = node_id, .bus_address = entry.device_id, .identity = 0, .device_id = entry.device_id };
@memcpy(report.hid[0..entry.hid_len], entry.hid[0..entry.hid_len]);