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| author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
| commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
| tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/avr32/lib/io-writesb.S | |
| parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
| parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
| download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip | |
dirty fix to merging
Diffstat (limited to 'arch/avr32/lib/io-writesb.S')
| -rw-r--r-- | arch/avr32/lib/io-writesb.S | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/avr32/lib/io-writesb.S b/arch/avr32/lib/io-writesb.S new file mode 100644 index 00000000..b4ebaacc --- /dev/null +++ b/arch/avr32/lib/io-writesb.S @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2004-2006 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + + .text +.Lnot_word_aligned: +1: ld.ub r8, r11++ + sub r10, 1 + st.b r12[0], r8 + reteq r12 + tst r11, r9 + brne 1b + + /* fall through */ + + .global __raw_writesb + .type __raw_writesb,@function +__raw_writesb: + cp.w r10, 0 + mov r9, 3 + reteq r12 + + tst r11, r9 + brne .Lnot_word_aligned + + sub r10, 4 + brlt 2f + +1: ld.w r8, r11++ + bfextu r9, r8, 24, 8 + st.b r12[0], r9 + bfextu r9, r8, 16, 8 + st.b r12[0], r9 + bfextu r9, r8, 8, 8 + st.b r12[0], r9 + st.b r12[0], r8 + sub r10, 4 + brge 1b + +2: sub r10, -4 + reteq r12 + +3: ld.ub r8, r11++ + sub r10, 1 + st.b r12[0], r8 + brne 3b + + retal r12 |