ld_so init for aarch64

2022-08-24 20:41:32 -06:00
parent 6591cf699d
commit 58ceae44e7
1 changed files with 14 additions and 0 deletions
@@ -144,6 +144,20 @@ pub unsafe fn init(sp: &'static Stack) {
        const ARCH_GET_FS: usize = 0x1003;
        syscall!(ARCH_PRCTL, ARCH_GET_FS, &mut tp as *mut usize);
    }
+    #[cfg(all(target_os = "redox", target_arch = "aarch64"))]
+    {
+        let mut env = syscall::EnvRegisters::default();
+
+        let file = syscall::open("thisproc:current/regs/env", syscall::O_CLOEXEC | syscall::O_RDONLY)
+            .expect_notls("failed to open handle for process registers");
+
+        let _ = syscall::read(file, &mut env)
+            .expect_notls("failed to read tpidr_el0");
+
+        let _ = syscall::close(file);
+
+        tp = env.tpidr_el0;
+    }
    #[cfg(all(target_os = "redox", target_arch = "x86"))]
    {
        let mut env = syscall::EnvRegisters::default();