diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/include/asm/thread-asm.h')
-rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/include/asm/thread-asm.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/include/asm/thread-asm.h b/target/linux/ubicom32/files/arch/ubicom32/include/asm/thread-asm.h new file mode 100644 index 000000000..f9566037e --- /dev/null +++ b/target/linux/ubicom32/files/arch/ubicom32/include/asm/thread-asm.h @@ -0,0 +1,51 @@ +/* + * arch/ubicom32/include/asm/thread-asm.h + * Ubicom32 architecture specific thread definitions. + * + * (C) Copyright 2009, Ubicom, Inc. + * + * This file is part of the Ubicom32 Linux Kernel Port. + * + * The Ubicom32 Linux Kernel Port 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. + * + * The Ubicom32 Linux Kernel Port 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 the Ubicom32 Linux Kernel Port. If not, + * see <http://www.gnu.org/licenses/>. + * + * Ubicom32 implementation derived from (with many thanks): + * arch/m68knommu + * arch/blackfin + * arch/parisc + */ +#ifndef _ASM_UBICOM32_THREAD_ASM_H +#define _ASM_UBICOM32_THREAD_ASM_H + +/* + * thread_get_self + * Read and shift the current thread into reg + * + * Note that we don't need to mask the result as bits 6 through 31 of the + * ROSR are zeroes. + */ +.macro thread_get_self reg + lsr.4 \reg, ROSR, #2 +.endm + +/* + * thread_get_self_mask + * Read and shift the current thread mask into reg + */ +.macro thread_get_self_mask reg + lsr.4 \reg, ROSR, #2 + lsl.4 \reg, #1, \reg /* Thread bit */ +.endm + +#endif /* _ASM_UBICOM32_THREAD_ASM_H */ |