| /****************************************************************************** |
| * Copyright (c) 2004, 2011 IBM Corporation |
| * All rights reserved. |
| * This program and the accompanying materials |
| * are made available under the terms of the BSD License |
| * which accompanies this distribution, and is available at |
| * http://www.opensource.org/licenses/bsd-license.php |
| * |
| * Contributors: |
| * IBM Corporation - initial implementation |
| *****************************************************************************/ |
| |
| #include <cpu.h> |
| #include <xvect.h> |
| |
| .section ".slof.loader","ax" |
| |
| /* this only works if paflof is running below 4GB */ |
| lis r31, fdt_start@h /* save address of */ |
| ori r31, r31, fdt_start@l /* flattened device */ |
| std r3, 0(r31) /* tree */ |
| |
| /* this only works if paflof is running below 4GB */ |
| lis r31, romfs_base@h /* save address of */ |
| ori r31, r31, romfs_base@l /* the romfs */ |
| std r4, 0(r31) |
| |
| /* this only works if paflof is running below 4GB */ |
| lis r31, epapr_magic@h /* if it is an epapr compliant */ |
| ori r31, r31, epapr_magic@l /* low level firmware; then r6 */ |
| std r6, 0(r31) /* contains the epapr magic */ |
| |
| /* this only works if paflof is running below 4GB */ |
| lis r31, epapr_ima_size@h |
| ori r31, r31, epapr_ima_size@l |
| std r7, 0(r31) /* r7 contains the IMA size */ |
| |
| /* fill in handler address */ |
| |
| /* this only works if paflof is running below 4GB */ |
| mfmsr r0 |
| mtsrr1 r0 |
| lis r3, _slof_text@h |
| ori r3, r3, _slof_text@l |
| ld r3, 0(r3) |
| std r3, XVECT_M_HANDLER(0) |
| |
| #ifdef BROKEN_SC1 |
| /* Patch potentially broken sc 1 instructions */ |
| lis r3, _slof_text@h |
| ori r3, r3, _slof_text@l |
| lis r4, _slof_text_end@h |
| ori r4, r4, _slof_text_end@l |
| li r5, 0 |
| bl .patch_broken_sc1 |
| #endif |
| |
| /* GO! */ |
| ba 0x100 |
