fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / sparc64 / kernel / head.S

diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 31c5892..baea10a 100644 (file)
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -7,7 +7,6 @@
  * Copyright (C) 1997 Miguel de Icaza (miguel@nuclecu.unam.mx)
  */
 
-#include <linux/config.h>
 #include <linux/version.h>
 #include <linux/errno.h>
 #include <linux/threads.h>
@@ -79,11 +78,7 @@ sparc_ramdisk_image64:
 
        /* PROM cif handler code address is in %o4.  */
 sparc64_boot:
-1:     rd      %pc, %g7
-       set     1b, %g1
-       cmp     %g1, %g7
-       be,pn   %xcc, sparc64_boot_after_remap
-        mov    %o4, %l7
+       mov     %o4, %l7
 
        /* We need to remap the kernel.  Use position independant
         * code to remap us to KERNBASE.
@@ -296,7 +291,6 @@ is_sun4v:
 
        add     %sp, (192 + 128), %sp
 
-sparc64_boot_after_remap:
        sethi   %hi(prom_root_compatible), %g1
        or      %g1, %lo(prom_root_compatible), %g1
        sethi   %hi(prom_sun4v_name), %g7
@@ -490,6 +484,14 @@ tlb_fixup_done:
        call    __bzero
         sub    %o1, %o0, %o1
 
+#ifdef CONFIG_LOCKDEP
+       /* We have this call this super early, as even prom_init can grab
+        * spinlocks and thus call into the lockdep code.
+        */
+       call    lockdep_init
+        nop
+#endif
+
        mov     %l6, %o1                        ! OpenPROM stack
        call    prom_init
         mov    %l7, %o0                        ! OpenPROM cif handler
@@ -552,9 +554,10 @@ setup_trap_table:
        save    %sp, -192, %sp
 
        /* Force interrupts to be disabled. */
-       rdpr    %pstate, %o1
-       andn    %o1, PSTATE_IE, %o1
+       rdpr    %pstate, %l0
+       andn    %l0, PSTATE_IE, %o1
        wrpr    %o1, 0x0, %pstate
+       rdpr    %pil, %l1
        wrpr    %g0, 15, %pil
 
        /* Make the firmware call to jump over to the Linux trap table.  */
@@ -623,11 +626,9 @@ setup_trap_table:
        call    init_irqwork_curcpu
         nop
 
-       /* Now we can turn interrupts back on. */
-       rdpr    %pstate, %o1
-       or      %o1, PSTATE_IE, %o1
-       wrpr    %o1, 0, %pstate
-       wrpr    %g0, 0x0, %pil
+       /* Now we can restore interrupt state. */
+       wrpr    %l0, 0, %pstate
+       wrpr    %l1, 0x0, %pil
 
        ret
         restore