Commit f723d69a58

Alex Rønne Petersen <alex@alexrp.com>
2025-10-21 04:26:27
std.os.linux.tls: add hppa support
Turns out Linux on PA-RISC does system calls in a pretty fascinating way; see arch/parisc/kernel/syscall.S for details.
master
1 parent aff557e
Changed files (1)
lib
std
os
linux
tls.zig
lib/std/os/linux/tls.zig
@@ -71,6 +71,7 @@ const current_variant: Variant = switch (native_arch) {
     .arm,
     .armeb,
     .csky,
+    .hppa,
     .microblaze,
     .microblazeel,
     .sh,
@@ -144,6 +145,7 @@ const AbiTcb = switch (current_variant) {
         .alpha,
         .arm,
         .armeb,
+        .hppa,
         .microblaze,
         .microblazeel,
         .sh,
@@ -285,6 +287,13 @@ pub fn setThreadPointer(addr: usize) void {
                 : [addr] "r" (addr),
             );
         },
+        .hppa => {
+            asm volatile (
+                \\ ble 0xe0(%%sr2, %%r0)
+                :
+                : [addr] "={r26}" (addr),
+                : .{ .r29 = true });
+        },
         .loongarch32, .loongarch64 => {
             asm volatile (
                 \\ move $tp, %[addr]