Changes in kernel/arch/mips32/src/start.S [4177e70:3fcea34] in mainline

File:

• kernel/arch/mips32/src/start.S (modified) (1 diff)

kernel/arch/mips32/src/start.S

@@ -339 +339 @@
 FUNCTION_BEGIN(userspace_asm)
         move $sp, $a0
-        move $v0, $a1
-        move $t9, $a2      /* set up correct entry into PIC code */
-        xor $a0, $a0, $a0  /* $a0 is defined to hold pcb_ptr */
-                           /* set it to 0 */
+        xor $a0, $a0, $a0  /* $a0 is defined to hold pcb_ptr, set it to 0 */
+        xor $fp, $fp, $fp  // FIXME: wipe all userspace-accessible registers
+        xor $ra, $ra, $ra
         eret
 FUNCTION_END(userspace_asm)