1 files changed, 56 insertions, 0 deletions

diff --git a/arch/mips/boot/compressed/head.S b/arch/mips/boot/compressed/head.S
new file mode 100644
index 000000000000..4e65a8420bee
--- /dev/null
+++ b/arch/mips/boot/compressed/head.S
@@ -0,0 +1,56 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 1995 Waldorf Electronics
+ * Written by Ralf Baechle and Andreas Busse
+ * Copyright (C) 1995 - 1999 Ralf Baechle
+ * Copyright (C) 1996 Paul M. Antoine
+ * Modified for DECStation and hence R3000 support by Paul M. Antoine
+ * Further modifications by David S. Miller and Harald Koerfgen
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ */
+
+#include <asm/asm.h>
+#include <asm/regdef.h>
+
+        .set noreorder
+        .cprestore
+        LEAF(start)
+start:
+        /* Save boot rom start args */
+        move    s0, a0
+        move    s1, a1
+        move    s2, a2
+        move    s3, a3
+
+        /* Clear BSS */
+        PTR_LA  a0, _edata
+        PTR_LA  a2, _end
+1:      sw      zero, 0(a0)
+        bne     a2, a0, 1b
+         addiu  a0, a0, 4
+
+        PTR_LA  a0, (.heap)          /* heap address */
+        PTR_LA  sp, (.stack + 8192)  /* stack address */
+
+        PTR_LA  ra, 2f
+        PTR_LA  k0, decompress_kernel
+        jr      k0
+         nop
+2:
+        move    a0, s0
+        move    a1, s1
+        move    a2, s2
+        move    a3, s3
+        PTR_LI  k0, KERNEL_ENTRY
+        jr      k0
+         nop
+3:
+        b       3b
+         nop
+        END(start)
+
+        .comm .heap,BOOT_HEAP_SIZE,4
+        .comm .stack,4096*2,4