Kernel/aarch64: Implement set_return_reg and capture_syscall_params

1 files changed, 10 insertions, 0 deletions

diff --git a/Kernel/Arch/aarch64/RegisterState.h b/Kernel/Arch/aarch64/RegisterState.h
index 6aa6e4452f..14b0fdaaed 100644
--- a/Kernel/Arch/aarch64/RegisterState.h
+++ b/Kernel/Arch/aarch64/RegisterState.h
@@ -40,6 +40,16 @@ struct RegisterState {
     {
         return ((spsr_el1 & 0b1111) == 0) ? ExecutionMode::User : ExecutionMode::Kernel;
     }
+
+    void set_return_reg(FlatPtr value) { x[0] = value; }
+    void capture_syscall_params(FlatPtr& function, FlatPtr& arg1, FlatPtr& arg2, FlatPtr& arg3, FlatPtr& arg4) const
+    {
+        function = x[8];
+        arg1 = x[1];
+        arg2 = x[2];
+        arg3 = x[3];
+        arg4 = x[4];
+    }
 };
 
 inline void copy_kernel_registers_into_ptrace_registers(PtraceRegisters& ptrace_regs, RegisterState const& kernel_regs)