From 8ba737656affaec3eb1f7e88649246b5e01593d6 Mon Sep 17 00:00:00 2001
From: Riccardo Binetti <rbino@gmx.com>
Date: Thu, 19 May 2022 09:14:59 +0200
Subject: [PATCH] Add support for dimensioned register fields (#20)

Signed-off-by: Riccardo Binetti <rbino@gmx.com>
---
 tools/regz/src/Database.zig | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/tools/regz/src/Database.zig b/tools/regz/src/Database.zig
index 0a71f95..548ed96 100644
--- a/tools/regz/src/Database.zig
+++ b/tools/regz/src/Database.zig
@@ -1127,9 +1127,14 @@ fn genZigFields(
                     try writer.print("{s}: u{},\n", .{ std.zig.fmtId(name), field.width });
                     expected_bit += field.width;
                 },
-                .num => {
-                    std.log.warn("dimensioned register fields not supported yet: {s}", .{field.name});
-                    assert(false);
+                .num => |num| {
+                    var i: usize = 0;
+                    while (i < num) : (i += 1) {
+                        const idx = try std.fmt.allocPrint(self.arena.allocator(), "{}", .{i});
+                        const name = try std.mem.replaceOwned(u8, self.arena.allocator(), field.name, "%s", idx);
+                        try writer.print("{s}: u{},\n", .{ std.zig.fmtId(name), field.width });
+                        expected_bit += field.width;
+                    }
                 },
             } else {
                 var i: usize = 0;