Changeset 300 for trunk/hal/tsar_mips32/core

Timestamp:

Jul 31, 2017, 2:28:19 PM (7 years ago)

Author:

max@…

Message:

Passably handle everything in the function itself.

File:

• trunk/hal/tsar_mips32/core/hal_uspace.c (modified) (1 diff)

trunk/hal/tsar_mips32/core/hal_uspace.c

@@ -139 +139 @@
     uint32_t src = (uint32_t)u_src;
     uint32_t dst = (uint32_t)k_dst;
+    uint32_t length;
+    error_t error;
+    paddr_t paddr;
+
+    // XXX XXX XXX: must be converted, to handle faults
+    error = vmm_v2p_translate( false , u_src , &paddr );
+    if( error )
+    {
+        return EFAULT;
+    }
+    length = hal_strlen_from_uspace( u_src );
+    if( length >= max_size )
+    {
+        return EFAULT;
+    }
 
     hal_disable_irq( &save_sr );