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chore: contain DMA Controllers in a tuple rather than a struct

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-05-05 19:53:12 -03:00
parent c0e026b9a8
commit f0ce39230b
4 changed files with 67 additions and 79 deletions
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29
src/bus/dma.zig
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@@ -3,25 +3,12 @@ const std = @import("std");
const DmaControl = @import("io.zig").DmaControl;
const Bus = @import("../Bus.zig");
pub const DmaTuple = std.meta.Tuple(&[_]type{ DmaController(0), DmaController(1), DmaController(2), DmaController(3) });
const log = std.log.scoped(.DmaTransfer);
pub const DmaControllers = struct {
const Self = @This();
_0: DmaController(0),
_1: DmaController(1),
_2: DmaController(2),
_3: DmaController(3),
pub fn init() Self {
return .{
._0 = DmaController(0).init(),
._1 = DmaController(1).init(),
._2 = DmaController(2).init(),
._3 = DmaController(3).init(),
};
}
};
pub fn create() DmaTuple {
return .{ DmaController(0).init(), DmaController(1).init(), DmaController(2).init(), DmaController(3).init() };
}
/// Function that creates a DMAController. Determines unique DMA Controller behaiour at compile-time
fn DmaController(comptime id: u2) type {
@@ -228,10 +215,10 @@ fn DmaController(comptime id: u2) type {
}
pub fn pollBlankingDma(bus: *Bus, comptime kind: DmaKind) void {
bus.dma._0.pollBlankingDma(kind);
bus.dma._1.pollBlankingDma(kind);
bus.dma._2.pollBlankingDma(kind);
bus.dma._3.pollBlankingDma(kind);
bus.dma[0].pollBlankingDma(kind);
bus.dma[1].pollBlankingDma(kind);
bus.dma[2].pollBlankingDma(kind);
bus.dma[3].pollBlankingDma(kind);
}
const Adjustment = enum(u2) {