| author |  Nathan Bourgeois <iridescentrosesfall@gmail.com> 2026-03-21 19:39:04-04:00 |
| committer | Nathan Bourgeois <iridescentrosesfall@gmail.com> 2026-03-21 19:39:04-04:00 |
| log | c824ce954ee81d438613ea7cf1e9a8111f730732 |
| tree | 1dd798b3bc97a5200ddf23e9bd7fd43bad29fe64 |
| parent | 2037dba90f5815f6fc3137c2485e908700c009e5 |
misc: Add allegrex CPU & features, run tool, update semver
3 files changed, 33 insertions(+), 2 deletions(-)
lib- std
- Target.zig
- Target
lib/std/Target.zig+4-2
| ... | @@ -616,7 +616,9 @@ pub const Os = struct { | ... | @@ -616,7 +616,9 @@ pub const Os = struct { |
| 616 | 616 | ||
| 617 | .psp => .{ | 617 | .psp => .{ |
| 618 | .semver = .{ | 618 | .semver = .{ |
| 619 | .min = .{ .major = 1, .minor = 0, .patch = 0 }, | 619 | // https://www.psdevwiki.com/psp/Official_Firmware_(OFW)#1.XX_Kernel |
| 620 | // It appears that the kernel started with semver for 1.XX before later changing to MAJ.MINPATCH in later releases (e.g. 3.60, 6.61) | ||
| 621 | .min = .{ .major = 1, .minor = 0, .patch = 3 }, | ||
| 620 | .max = .{ .major = 6, .minor = 61, .patch = 0 }, | 622 | .max = .{ .major = 6, .minor = 61, .patch = 0 }, |
| 621 | }, | 623 | }, |
| 622 | }, | 624 | }, |
| ... | @@ -2034,7 +2036,7 @@ pub const Cpu = struct { | ... | @@ -2034,7 +2036,7 @@ pub const Cpu = struct { |
| 2034 | .loongarch64 => &loongarch.cpu.la64v1_0, | 2036 | .loongarch64 => &loongarch.cpu.la64v1_0, |
| 2035 | .m68k => &m68k.cpu.M68000, | 2037 | .m68k => &m68k.cpu.M68000, |
| 2036 | .mips, .mipsel => switch (os.tag) { | 2038 | .mips, .mipsel => switch (os.tag) { |
| 2037 | .psp => &mips.cpu.mips2, // mips2 with some custom instructions, no trap instructions | 2039 | .psp => &mips.cpu.allegrex, |
| 2038 | else => &mips.cpu.mips32r2, | 2040 | else => &mips.cpu.mips32r2, |
| 2039 | }, | 2041 | }, |
| 2040 | .mips64, .mips64el => &mips.cpu.mips64r2, | 2042 | .mips64, .mips64el => &mips.cpu.mips64r2, |
lib/std/Target/mips.zig+15
| ... | @@ -49,6 +49,7 @@ pub const Feature = enum { | ... | @@ -49,6 +49,7 @@ pub const Feature = enum { |
| 49 | noabicalls, | 49 | noabicalls, |
| 50 | nomadd4, | 50 | nomadd4, |
| 51 | nooddspreg, | 51 | nooddspreg, |
| 52 | notraps, | ||
| 52 | p5600, | 53 | p5600, |
| 53 | ptr64, | 54 | ptr64, |
| 54 | single_float, | 55 | single_float, |
| ... | @@ -353,6 +354,11 @@ pub const all_features = blk: { | ... | @@ -353,6 +354,11 @@ pub const all_features = blk: { |
| 353 | .description = "Disable odd numbered single-precision registers", | 354 | .description = "Disable odd numbered single-precision registers", |
| 354 | .dependencies = featureSet(&[_]Feature{}), | 355 | .dependencies = featureSet(&[_]Feature{}), |
| 355 | }; | 356 | }; |
| 357 | result[@intFromEnum(Feature.notraps)] = .{ | ||
| 358 | .llvm_name = null, | ||
| 359 | .description = "Disable trap instructions", | ||
| 360 | .dependencies = featureSet(&[_]Feature{}), | ||
| 361 | }; | ||
| 356 | result[@intFromEnum(Feature.p5600)] = .{ | 362 | result[@intFromEnum(Feature.p5600)] = .{ |
| 357 | .llvm_name = "p5600", | 363 | .llvm_name = "p5600", |
| 358 | .description = "The P5600 Processor", | 364 | .description = "The P5600 Processor", |
| ... | @@ -419,6 +425,15 @@ pub const all_features = blk: { | ... | @@ -419,6 +425,15 @@ pub const all_features = blk: { |
| 419 | }; | 425 | }; |
| 420 | 426 | ||
| 421 | pub const cpu = struct { | 427 | pub const cpu = struct { |
| 428 | pub const allegrex: CpuModel = .{ | ||
| 429 | .name = "allegrex", | ||
| 430 | .llvm_name = null, | ||
| 431 | .features = featureSet(&[_]Feature{ | ||
| 432 | .mips2, | ||
| 433 | .notraps, | ||
| 434 | .single_float, | ||
| 435 | }), | ||
| 436 | }; | ||
| 422 | pub const generic: CpuModel = .{ | 437 | pub const generic: CpuModel = .{ |
| 423 | .name = "generic", | 438 | .name = "generic", |
| 424 | .llvm_name = "generic", | 439 | .llvm_name = "generic", |
tools/update_cpu_features.zig+14
| ... | @@ -1299,6 +1299,20 @@ const targets = [_]ArchTarget{ | ... | @@ -1299,6 +1299,20 @@ const targets = [_]ArchTarget{ |
| 1299 | .name = "Mips", | 1299 | .name = "Mips", |
| 1300 | .td_name = "Mips", | 1300 | .td_name = "Mips", |
| 1301 | }, | 1301 | }, |
| 1302 | .extra_features = &.{ | ||
| 1303 | .{ | ||
| 1304 | .zig_name = "notraps", | ||
| 1305 | .desc = "Disable trap instructions", | ||
| 1306 | .deps = &.{}, | ||
| 1307 | }, | ||
| 1308 | }, | ||
| 1309 | .extra_cpus = &.{ | ||
| 1310 | .{ | ||
| 1311 | .llvm_name = null, | ||
| 1312 | .zig_name = "allegrex", | ||
| 1313 | .features = &.{ "mips2", "single_float", "notraps" }, | ||
| 1314 | }, | ||
| 1315 | }, | ||
| 1302 | }, | 1316 | }, |
| 1303 | .{ | 1317 | .{ |
| 1304 | .zig_name = "nvptx", | 1318 | .zig_name = "nvptx", |