mirror of
https://github.com/ziglang/zig.git
synced 2025-12-06 14:23:09 +00:00
fb0692334e
Rename all references of sparcv9 to sparc64, to make Zig align more with other projects. Also, added new function to convert glibc arch name to Zig arch name, since it refers to the architecture as sparcv9. This is based on the suggestion by @kubkon in PR 11847. (https://github.com/ziglang/zig/pull/11487#pullrequestreview-963761757)
57 lines
1.3 KiB
Zig
57 lines
1.3 KiB
Zig
const std = @import("../../std.zig");
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const bits = switch (@import("builtin").cpu.arch) {
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.mips,
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.mipsel,
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.mips64,
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.mips64el,
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.powerpc,
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.powerpcle,
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.powerpc64,
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.powerpc64le,
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.sparc,
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.sparc64,
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.sparcel,
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=> .{ .size = 13, .dir = 3, .none = 1, .read = 2, .write = 4 },
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else => .{ .size = 14, .dir = 2, .none = 0, .read = 2, .write = 1 },
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};
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const Direction = std.meta.Int(.unsigned, bits.dir);
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pub const Request = packed struct {
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nr: u8,
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io_type: u8,
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size: std.meta.Int(.unsigned, bits.size),
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dir: Direction,
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};
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fn io_impl(dir: Direction, io_type: u8, nr: u8, comptime T: type) u32 {
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const request = Request{
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.dir = dir,
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.size = @sizeOf(T),
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.io_type = io_type,
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.nr = nr,
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};
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return @bitCast(u32, request);
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}
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pub fn IO(io_type: u8, nr: u8) u32 {
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return io_impl(bits.none, io_type, nr, void);
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}
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pub fn IOR(io_type: u8, nr: u8, comptime T: type) u32 {
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return io_impl(bits.read, io_type, nr, T);
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}
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pub fn IOW(io_type: u8, nr: u8, comptime T: type) u32 {
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return io_impl(bits.write, io_type, nr, T);
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}
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pub fn IOWR(io_type: u8, nr: u8, comptime T: type) u32 {
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return io_impl(bits.read | bits.write, io_type, nr, T);
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}
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comptime {
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std.debug.assert(@bitSizeOf(Request) == 32);
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}
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