diff options
Diffstat (limited to 'arch/powerpc/lib/reloc.S')
| -rw-r--r-- | arch/powerpc/lib/reloc.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/powerpc/lib/reloc.S b/arch/powerpc/lib/reloc.S new file mode 100644 index 0000000000..ad598e6f82 --- /dev/null +++ b/arch/powerpc/lib/reloc.S @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2009 Wolfgang Denk <wd@denx.de> + * + * 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. + * + */ + +#include <asm/ppc_asm.tmpl> + + .file "reloc.S" + + .text + /* + * 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 |