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chore(io): abstract away io masks

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This commit is contained in:
Rekai Nyangadzayi Musuka
2023-09-19 19:08:33 -05:00
parent 5dbd681ba1
commit bc5597c73e
3 changed files with 35 additions and 25 deletions
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12
src/core/nds7/io.zig
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@@ -5,8 +5,7 @@ const Bit = @import("bitfield").Bit;
const Bus = @import("Bus.zig");
const SharedIo = @import("../io.zig").Io;
const writeToAddressOffset = @import("../io.zig").writeToAddressOffset;
const valueAtAddressOffset = @import("../io.zig").valueAtAddressOffset;
const masks = @import("../io.zig").masks;
const log = std.log.scoped(.nds7_io);
@@ -51,13 +50,8 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
else => log.warn("unexpected: write(T: {}, addr: 0x{X:0>8}, value: 0x{X:0>8})", .{ T, address, value }),
},
u16 => switch (address) {
0x0400_0180 => bus.io.shared.ipc_fifo.sync.raw = blk: {
const ret = value & ~@as(u16, 0xF) | (bus.io.shared.ipc_fifo.sync.raw & 0xF);
log.debug("IPCFIFOSYNC <- 0x{X:0>8}", .{ret});
break :blk ret;
},
0x0400_0184 => bus.io.shared.ipc_fifo.cnt.raw = value,
0x0400_0180 => bus.io.shared.ipc_fifo.sync.raw = masks.ipcFifoSync(bus, value),
0x0400_0184 => bus.io.shared.ipc_fifo.cnt.raw = masks.ipcFifoCnt(bus, value),
else => log.warn("unexpected: write(T: {}, addr: 0x{X:0>8}, value: 0x{X:0>8})", .{ T, address, value }),
},
u8 => switch (address) {