vserver 1.9.5.x5

[linux-2.6.git] / arch / alpha / boot / head.S

diff --git a/arch/alpha/boot/head.S b/arch/alpha/boot/head.S
index e3159d6..f3d9808 100644 (file)
--- a/arch/alpha/boot/head.S
+++ b/arch/alpha/boot/head.S
@@ -100,3 +100,24 @@ halt:
        .prologue 0
        call_pal PAL_halt
        .end halt
+
+/* $16 - new stack page */
+       .align 3
+       .globl  move_stack
+       .ent    move_stack
+move_stack:
+       .prologue 0
+       lda     $0, 0x1fff($31)
+       and     $0, $30, $1                     /* Stack offset */
+       or      $1, $16, $16                    /* New stack pointer */
+       mov     $30, $1
+       mov     $16, $2
+1:     ldq     $3, 0($1)                       /* Move the stack */
+       addq    $1, 8, $1
+       stq     $3, 0($2)
+       and     $0, $1, $4
+       addq    $2, 8, $2
+       bne     $4, 1b
+       mov     $16, $30
+       ret     ($26)
+       .end move_stack