2 * PS3 bootwrapper entry.
4 * Copyright (C) 2007 Sony Computer Entertainment Inc.
5 * Copyright 2007 Sony Corp.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 * __system_reset_overlay - The PS3 first stage entry.
28 * The bootwraper build script copies the 0x100 bytes at symbol
29 * __system_reset_overlay to offset 0x100 of the rom image.
31 * The PS3 has a single processor with two threads.
34 .globl __system_reset_overlay
35 __system_reset_overlay:
37 /* Switch to 32-bit mode. */
44 /* Get thread number in r3 and branch. */
52 /* Secondary goes to __secondary_hold in kernel. */
58 /* Primary delays then goes to _zimage_start in wrapper. */
60 or 31, 31, 31 /* db16cyc */
61 or 31, 31, 31 /* db16cyc */
63 lis r4, _zimage_start@ha
64 addi r4, r4, _zimage_start@l
69 * __system_reset_kernel - Place holder for the kernel reset vector.
71 * The bootwrapper build script copies 0x100 bytes from offset 0x100
72 * of the rom image to the symbol __system_reset_kernel. At runtime
73 * the bootwrapper program copies the 0x100 bytes at __system_reset_kernel
74 * to ram address 0x100. This symbol must occupy 0x100 bytes.
77 .globl __system_reset_kernel
78 __system_reset_kernel:
80 . = __system_reset_kernel + 0x100