zig

commit 8fe6d5a48e97ec1b3260c86832baa707271d0f8b (tree)
parent 8b220cd746384c43e8406b70e93f76afe7a6db48
Author: xtex <xtex@astrafall.org>
Date:   Sat, 25 Apr 2026 21:49:21 +0800

std.os.linux: move HWCAP bits to linux.zig

Change-Id: Ic06feeeec9d04b540cf4efc931df4f4b7e327c5f

Diffstat:
M
lib/std/os/linux.zig
 | 
48
+++++++++++++++++++++++++++++++++++++++++++++++-
M
lib/std/os/linux/arm.zig
 | 
26
--------------------------
M
lib/std/os/linux/loongarch32.zig
 | 
19
-------------------
M
lib/std/os/linux/loongarch64.zig
 | 
19
-------------------

4 files changed, 47 insertions(+), 65 deletions(-)
diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
@@ -96,7 +96,6 @@ pub fn clone(
 }
 
 pub const ARCH = arch_bits.ARCH;
-pub const HWCAP = arch_bits.HWCAP;
 pub const SC = arch_bits.SC;
 pub const VDSO = arch_bits.VDSO;
 pub const user_desc = arch_bits.user_desc;
@@ -524,6 +523,53 @@ pub const O = switch (native_arch) {
     else => @compileError("missing std.os.linux.O constants for this architecture"),
 };
 
+pub const HWCAP = switch (native_arch) {
+    .arm, .armeb, .thumb, .thumbeb => struct {
+        pub const SWP = 1 << 0;
+        pub const HALF = 1 << 1;
+        pub const THUMB = 1 << 2;
+        pub const @"26BIT" = 1 << 3;
+        pub const FAST_MULT = 1 << 4;
+        pub const FPA = 1 << 5;
+        pub const VFP = 1 << 6;
+        pub const EDSP = 1 << 7;
+        pub const JAVA = 1 << 8;
+        pub const IWMMXT = 1 << 9;
+        pub const CRUNCH = 1 << 10;
+        pub const THUMBEE = 1 << 11;
+        pub const NEON = 1 << 12;
+        pub const VFPv3 = 1 << 13;
+        pub const VFPv3D16 = 1 << 14;
+        pub const TLS = 1 << 15;
+        pub const VFPv4 = 1 << 16;
+        pub const IDIVA = 1 << 17;
+        pub const IDIVT = 1 << 18;
+        pub const VFPD32 = 1 << 19;
+        pub const IDIV = IDIVA | IDIVT;
+        pub const LPAE = 1 << 20;
+        pub const EVTSTRM = 1 << 21;
+    },
+    .loongarch32, .loongarch64 => struct {
+        pub const CPUCFG = 1 << 0;
+        pub const LAM = 1 << 1;
+        pub const UAL = 1 << 2;
+        pub const FPU = 1 << 3;
+        pub const LSX = 1 << 4;
+        pub const LASX = 1 << 5;
+        pub const CRC32 = 1 << 6;
+        pub const COMPLEX = 1 << 7;
+        pub const CRYPTO = 1 << 8;
+        pub const LVZ = 1 << 9;
+        pub const LBT_X86 = 1 << 10;
+        pub const LBT_ARM = 1 << 11;
+        pub const LBT_MIPS = 1 << 12;
+        pub const PTW = 1 << 13;
+        pub const LSPW = 1 << 14;
+        pub const SCQ = 1 << 15;
+    },
+    else => struct {},
+};
+
 pub const RENAME = packed struct(u32) {
     /// Cannot be set together with `EXCHANGE`.
     NOREPLACE: bool = false,
diff --git a/lib/std/os/linux/arm.zig b/lib/std/os/linux/arm.zig
@@ -182,30 +182,4 @@ pub const VDSO = struct {
     pub const CGT_VER = "LINUX_2.6";
 };
 
-pub const HWCAP = struct {
-    pub const SWP = 1 << 0;
-    pub const HALF = 1 << 1;
-    pub const THUMB = 1 << 2;
-    pub const @"26BIT" = 1 << 3;
-    pub const FAST_MULT = 1 << 4;
-    pub const FPA = 1 << 5;
-    pub const VFP = 1 << 6;
-    pub const EDSP = 1 << 7;
-    pub const JAVA = 1 << 8;
-    pub const IWMMXT = 1 << 9;
-    pub const CRUNCH = 1 << 10;
-    pub const THUMBEE = 1 << 11;
-    pub const NEON = 1 << 12;
-    pub const VFPv3 = 1 << 13;
-    pub const VFPv3D16 = 1 << 14;
-    pub const TLS = 1 << 15;
-    pub const VFPv4 = 1 << 16;
-    pub const IDIVA = 1 << 17;
-    pub const IDIVT = 1 << 18;
-    pub const VFPD32 = 1 << 19;
-    pub const IDIV = IDIVA | IDIVT;
-    pub const LPAE = 1 << 20;
-    pub const EVTSTRM = 1 << 21;
-};
-
 pub const time_t = i32;
diff --git a/lib/std/os/linux/loongarch32.zig b/lib/std/os/linux/loongarch32.zig
@@ -161,22 +161,3 @@ pub const VDSO = struct {
     pub const CGT_SYM = "__vdso_clock_gettime";
     pub const CGT_VER = "LINUX_5.10";
 };
-
-pub const HWCAP = struct {
-    pub const CPUCFG = 1 << 0;
-    pub const LAM = 1 << 1;
-    pub const UAL = 1 << 2;
-    pub const FPU = 1 << 3;
-    pub const LSX = 1 << 4;
-    pub const LASX = 1 << 5;
-    pub const CRC32 = 1 << 6;
-    pub const COMPLEX = 1 << 7;
-    pub const CRYPTO = 1 << 8;
-    pub const LVZ = 1 << 9;
-    pub const LBT_X86 = 1 << 10;
-    pub const LBT_ARM = 1 << 11;
-    pub const LBT_MIPS = 1 << 12;
-    pub const PTW = 1 << 13;
-    pub const LSPW = 1 << 14;
-    pub const SCQ = 1 << 15;
-};
diff --git a/lib/std/os/linux/loongarch64.zig b/lib/std/os/linux/loongarch64.zig
@@ -160,22 +160,3 @@ pub const VDSO = struct {
     pub const CGT_SYM = "__vdso_clock_gettime";
     pub const CGT_VER = "LINUX_5.10";
 };
-
-pub const HWCAP = struct {
-    pub const CPUCFG = 1 << 0;
-    pub const LAM = 1 << 1;
-    pub const UAL = 1 << 2;
-    pub const FPU = 1 << 3;
-    pub const LSX = 1 << 4;
-    pub const LASX = 1 << 5;
-    pub const CRC32 = 1 << 6;
-    pub const COMPLEX = 1 << 7;
-    pub const CRYPTO = 1 << 8;
-    pub const LVZ = 1 << 9;
-    pub const LBT_X86 = 1 << 10;
-    pub const LBT_ARM = 1 << 11;
-    pub const LBT_MIPS = 1 << 12;
-    pub const PTW = 1 << 13;
-    pub const LSPW = 1 << 14;
-    pub const SCQ = 1 << 15;
-};