diff options
Diffstat (limited to 'build.zig')
| -rw-r--r-- | build.zig | 30 |
1 files changed, 16 insertions, 14 deletions
@@ -1,16 +1,17 @@ const std = @import("std"); +// the gils coreutils +const gils_tools = .{ "gils", "ls", "tree", "cat", "rm", "mkdir", "touch", "cp", "mv", "wc", "head", "tail", "ed" }; + pub fn build(b: *std.Build) void { - // Default to ReleaseSafe because Debug pulls Zig's - // UBSan runtime and other sanitization, which needs - // f128/SSE ops, which i don't provide. - const optimize = b.option(std.builtin.OptimizeMode, "optimize", "optimize mode") orelse .ReleaseSafe; + // Default to ReleaseSafe because Debug pulls Zig's UBSan runtime and other + // sanitization, which needs f128/SSE ops, which i don't provide. + const optimize = b.option(std.builtin.OptimizeMode, "optimize", "optimize mode") orelse .safe; - // The kernel must NOT touch SSE/MMX/AVX until it has - // enabled them itself, so I strip those features and - // let the compiler use a soft-float ABI - // `code_model = .kernel` keeps relocations valid for - // the higher-half load address in boot/linker.ld. + // The kernel must NOT touch SSE/MMX/AVX until it has enabled them itself, so + // I strip those features and let the compiler use a soft-float ABI + // `code_model = .kernel` keeps relocations valid for the higher-half load + // address in boot/linker.ld. // // In other words. Going raw baby var query: std.Target.Query = .{ @@ -18,13 +19,11 @@ pub fn build(b: *std.Build) void { .os_tag = .freestanding, .abi = .none, }; + const Feature = std.Target.x86.Feature; query.cpu_features_sub.addFeature(@intFromEnum(Feature.mmx)); - query.cpu_features_sub.addFeature(@intFromEnum(Feature.sse)); - query.cpu_features_sub.addFeature(@intFromEnum(Feature.sse2)); query.cpu_features_sub.addFeature(@intFromEnum(Feature.avx)); query.cpu_features_sub.addFeature(@intFromEnum(Feature.avx2)); - query.cpu_features_add.addFeature(@intFromEnum(Feature.soft_float)); const target = b.resolveTargetQuery(query); @@ -78,10 +77,13 @@ pub fn build(b: *std.Build) void { bridge_mod.addAnonymousImport(e[0], .{ .root_source_file = b.path(e[1]) }); } + // load gils + inline for (gils_tools) |g| { + bridge_mod.addAnonymousImport("k_gils_" ++ g, .{ .root_source_file = b.path("gils/" ++ g ++ ".rv") }); + } + kernel.root_module.addImport("bridge", bridge_mod); - // each ring 3 program compiles to its own freestanding elf, embedded under - // user_<name>. boot copies them to frames and the shells `run <name>` loads one inline for (.{ "hexview", "calc", "primes", "save" }) |prog| { const cc = b.addSystemCommand(&.{ "zig", "cc", |