| ... | @@ -232,6 +232,66 @@ const arm = struct { | ... | @@ -232,6 +232,66 @@ const arm = struct { |
| 232 | } | 232 | } |
| 233 | }; | 233 | }; |
| 234 | | 234 | |
| | 235 | const csky = struct { |
| | 236 | const cpuinfo = struct { |
| | 237 | const Impl = struct { |
| | 238 | model: ?*const Target.Cpu.Model = null, |
| | 239 | |
| | 240 | const cpu_names = .{ |
| | 241 | .{ "ck807", &Target.csky.cpu.ck807 }, |
| | 242 | .{ "ck807f", &Target.csky.cpu.ck807f }, |
| | 243 | .{ "ck810", &Target.csky.cpu.ck810 }, |
| | 244 | .{ "ck810f", &Target.csky.cpu.ck810f }, |
| | 245 | .{ "ck810t", &Target.csky.cpu.ck810t }, |
| | 246 | .{ "ck810ft", &Target.csky.cpu.ck810ft }, |
| | 247 | .{ "ck860", &Target.csky.cpu.ck860 }, |
| | 248 | .{ "ck860f", &Target.csky.cpu.ck860f }, |
| | 249 | .{ "ck860fv", &Target.csky.cpu.ck860fv }, |
| | 250 | }; |
| | 251 | |
| | 252 | fn lineHook(self: *Impl, key: []const u8, value: []const u8) !bool { |
| | 253 | if (mem.eql(u8, key, "C-SKY CPU model")) { |
| | 254 | inline for (cpu_names) |pair| { |
| | 255 | if (mem.eql(u8, value, pair[0])) { |
| | 256 | self.model = pair[1]; |
| | 257 | break; |
| | 258 | } |
| | 259 | } |
| | 260 | |
| | 261 | return false; |
| | 262 | } |
| | 263 | |
| | 264 | return true; |
| | 265 | } |
| | 266 | |
| | 267 | fn finalize(self: *const Impl, arch: Target.Cpu.Arch) ?Target.Cpu { |
| | 268 | const model = self.model orelse return null; |
| | 269 | return .{ |
| | 270 | .arch = arch, |
| | 271 | .model = model, |
| | 272 | .features = model.features, |
| | 273 | }; |
| | 274 | } |
| | 275 | }; |
| | 276 | |
| | 277 | const Parser = CpuinfoParser(Impl); |
| | 278 | }; |
| | 279 | |
| | 280 | pub fn detectNativeCpu(io: Io, arch: Target.Cpu.Arch) ?Target.Cpu { |
| | 281 | var file = Io.Dir.openFileAbsolute(io, "/proc/cpuinfo", .{}) catch return null; |
| | 282 | defer file.close(io); |
| | 283 | |
| | 284 | var buffer: [4096]u8 = undefined; |
| | 285 | var file_reader = file.reader(io, &buffer); |
| | 286 | |
| | 287 | var cpu = (cpuinfo.Parser.parse(arch, &file_reader.interface) catch null) orelse return null; |
| | 288 | |
| | 289 | cpu.features.populateDependencies(cpu.arch.allFeaturesList()); |
| | 290 | |
| | 291 | return cpu; |
| | 292 | } |
| | 293 | }; |
| | 294 | |
| 235 | const powerpc = struct { | 295 | const powerpc = struct { |
| 236 | const cpuinfo = struct { | 296 | const cpuinfo = struct { |
| 237 | const Impl = struct { | 297 | const Impl = struct { |
| ... | @@ -757,6 +817,7 @@ pub fn detectNativeCpuAndFeatures(io: Io) ?Target.Cpu { | ... | @@ -757,6 +817,7 @@ pub fn detectNativeCpuAndFeatures(io: Io) ?Target.Cpu { |
| 757 | return switch (current_arch) { | 817 | return switch (current_arch) { |
| 758 | .aarch64, .aarch64_be => aarch64.detectNativeCpuAndFeatures(current_arch), | 818 | .aarch64, .aarch64_be => aarch64.detectNativeCpuAndFeatures(current_arch), |
| 759 | .arm, .armeb, .thumb, .thumbeb => arm.detectNativeCpu(io, current_arch), | 819 | .arm, .armeb, .thumb, .thumbeb => arm.detectNativeCpu(io, current_arch), |
| | 820 | .csky => csky.detectNativeCpu(io, current_arch), |
| 760 | .powerpc, .powerpcle, .powerpc64, .powerpc64le => powerpc.detectNativeCpu(io, current_arch), | 821 | .powerpc, .powerpcle, .powerpc64, .powerpc64le => powerpc.detectNativeCpu(io, current_arch), |
| 761 | .riscv64, .riscv32 => riscv.detectNativeCpuAndFeatures(io, current_arch), | 822 | .riscv64, .riscv32 => riscv.detectNativeCpuAndFeatures(io, current_arch), |
| 762 | .s390x => s390x.detectNativeCpu(io, current_arch), | 823 | .s390x => s390x.detectNativeCpu(io, current_arch), |
Alex Rønne Petersen <alex@alexrp.com> 2026-09-07 10:43:18+02:00