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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
commit | 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch) | |
tree | 32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/lib/powerpc/relocator_asm.S | |
parent | Initial commit. (diff) | |
download | grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.tar.xz grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.zip |
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'grub-core/lib/powerpc/relocator_asm.S')
-rw-r--r-- | grub-core/lib/powerpc/relocator_asm.S | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/grub-core/lib/powerpc/relocator_asm.S b/grub-core/lib/powerpc/relocator_asm.S new file mode 100644 index 0000000..355e9c8 --- /dev/null +++ b/grub-core/lib/powerpc/relocator_asm.S @@ -0,0 +1,60 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009,2010 Free Software Foundation, Inc. + * + * GRUB 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 3 of the License, or + * (at your option) any later version. + * + * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/symbol.h> + + .p2align 4 /* force 16-byte alignment */ + +VARIABLE (grub_relocator_forward_start) + mr 3, 9 + mr 4, 10 + +copycont1: + lbz 11,0(8) + stb 11,0(9) + addi 8, 8, 0x1 + addi 9, 9, 0x1 + addi 10, 10, -1 + cmpwi 10, 0 + bne copycont1 + +#include "../../kern/powerpc/cache_flush.S" + +VARIABLE (grub_relocator_forward_end) + +VARIABLE (grub_relocator_backward_start) + mr 3, 9 + mr 4, 10 + + add 9, 9, 10 + add 8, 8, 10 + /* Backward movsl is implicitly off-by-one. compensate that. */ + addi 9, 9, -1 + addi 8, 8, -1 +copycont2: + lbz 11,0(8) + stb 11,0(9) + addi 8, 8, -1 + addi 9, 9, -1 + addi 10, 10, -1 + cmpwi 10, 0 + bne copycont2 + +#include "../../kern/powerpc/cache_flush.S" + +VARIABLE (grub_relocator_backward_end) |