diff options
Diffstat (limited to 'lib_ppc')
-rw-r--r-- | lib_ppc/Makefile | 1 | ||||
-rw-r--r-- | lib_ppc/reloc.S | 49 |
2 files changed, 50 insertions, 0 deletions
diff --git a/lib_ppc/Makefile b/lib_ppc/Makefile index 60a7625..334e457 100644 --- a/lib_ppc/Makefile +++ b/lib_ppc/Makefile @@ -28,6 +28,7 @@ LIB = $(obj)lib$(ARCH).a SOBJS-y += ppccache.o SOBJS-y += ppcstring.o SOBJS-y += ticks.o +SOBJS-y += reloc.o COBJS-y += bat_rw.o COBJS-y += board.o diff --git a/lib_ppc/reloc.S b/lib_ppc/reloc.S new file mode 100644 index 0000000..50f9a83 --- /dev/null +++ b/lib_ppc/reloc.S @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2009 Wolfgang Denk <wd@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <ppc_asm.tmpl> + + .file "reloc.S" + + .text +#ifndef CONFIG_NAND_SPL + /* + * Function: relocate entries for one exception vector + */ + .globl trap_reloc + .type trap_reloc, @function +trap_reloc: + lwz r0, 0(r7) /* hdlr ... */ + add r0, r0, r3 /* ... += dest_addr */ + stw r0, 0(r7) + + lwz r0, 4(r7) /* int_return ... */ + add r0, r0, r3 /* ... += dest_addr */ + stw r0, 4(r7) + + lwz r0, 8(r7) /* transfer_to_handler ...*/ + add r0, r0, r3 /* ... += dest_addr */ + stw r0, 8(r7) + + blr + .size trap_reloc, .-trap_reloc +#endif |