Changes in kernel/arch/ia64/src/start.S [fe7abd0:fae1647] in mainline

File:

• kernel/arch/ia64/src/start.S (modified) (2 diffs)

kernel/arch/ia64/src/start.S

@@ -47 +47 @@
 
 stack0:
-
-#
-# Kernel entry point.
-#
-# This is where we are passed control from the boot code.
-# Register contents:
-#
-#       r2      Address of the boot code's bootinfo structure.
-#
 kernel_image_start:
         .auto
@@ -166 +157 @@
         loadrs
         
-        #
-        # Initialize memory stack to some sane value and allocate a scratch are
-        # on it.
-        #
-        movl sp = stack0 ;;
-        add sp = -16, sp
+        # Initialize memory stack to some sane value
+        movl r12 = stack0 ;;
+        add r12 = -16, r12  /* allocate a scratch area on the stack */
         
         # Initialize gp (Global Pointer) register
-        movl gp = kernel_image_start
+        movl r20 = (VRN_KERNEL << VRN_SHIFT) ;;
+        or r20 = r20, r1 ;;
+        movl r1 = kernel_image_start
         
-        #       
-        # Initialize bootinfo on BSP.
-        #
-        movl r20 = (VRN_KERNEL << VRN_SHIFT) ;;
-        or r20 = r20, r2 ;;
+        /*
+         * Initialize bootinfo on BSP.
+         */
         addl r21 = @gprel(bootinfo), gp ;;
         st8 [r21] = r20