arm64: Miscellaneous header files
This patch introduces a few AArch64-specific header files together with Kbuild entries for generic headers. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Catalin Marinas
parent
985c0679df
commit
10b663aef1
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include include/asm-generic/Kbuild.asm
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header-y += hwcap.h
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generic-y += bug.h
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generic-y += bugs.h
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generic-y += checksum.h
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generic-y += cputime.h
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generic-y += current.h
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generic-y += delay.h
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generic-y += div64.h
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generic-y += dma.h
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generic-y += emergency-restart.h
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generic-y += errno.h
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generic-y += ftrace.h
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generic-y += hw_irq.h
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generic-y += ioctl.h
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generic-y += ioctls.h
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generic-y += ipcbuf.h
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generic-y += irq_regs.h
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generic-y += kdebug.h
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generic-y += kmap_types.h
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generic-y += linkage.h
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generic-y += local.h
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generic-y += local64.h
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generic-y += mman.h
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generic-y += msgbuf.h
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generic-y += mutex.h
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generic-y += pci.h
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generic-y += percpu.h
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generic-y += poll.h
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generic-y += posix_types.h
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generic-y += resource.h
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generic-y += scatterlist.h
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generic-y += sections.h
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generic-y += segment.h
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generic-y += sembuf.h
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generic-y += serial.h
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generic-y += shmbuf.h
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generic-y += sizes.h
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generic-y += socket.h
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generic-y += sockios.h
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generic-y += string.h
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generic-y += switch_to.h
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generic-y += swab.h
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generic-y += termbits.h
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generic-y += termios.h
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generic-y += topology.h
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generic-y += types.h
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generic-y += unaligned.h
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generic-y += user.h
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@ -0,0 +1,52 @@
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/*
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* Based on arch/arm/include/asm/barrier.h
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*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_BARRIER_H
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#define __ASM_BARRIER_H
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#ifndef __ASSEMBLY__
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#define sev() asm volatile("sev" : : : "memory")
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#define wfe() asm volatile("wfe" : : : "memory")
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#define wfi() asm volatile("wfi" : : : "memory")
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#define isb() asm volatile("isb" : : : "memory")
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#define dsb() asm volatile("dsb sy" : : : "memory")
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#define mb() dsb()
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#define rmb() asm volatile("dsb ld" : : : "memory")
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#define wmb() asm volatile("dsb st" : : : "memory")
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#ifndef CONFIG_SMP
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#define smp_mb() barrier()
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#define smp_rmb() barrier()
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#define smp_wmb() barrier()
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#else
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#define smp_mb() asm volatile("dmb ish" : : : "memory")
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#define smp_rmb() asm volatile("dmb ishld" : : : "memory")
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#define smp_wmb() asm volatile("dmb ishst" : : : "memory")
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#endif
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#define read_barrier_depends() do { } while(0)
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#define smp_read_barrier_depends() do { } while(0)
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#define set_mb(var, value) do { var = value; smp_mb(); } while (0)
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#define nop() asm volatile("nop");
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#endif /* __ASSEMBLY__ */
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#endif /* __ASM_BARRIER_H */
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@ -0,0 +1,23 @@
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/*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_BITSPERLONG_H
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#define __ASM_BITSPERLONG_H
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#define __BITS_PER_LONG 64
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#include <asm-generic/bitsperlong.h>
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#endif /* __ASM_BITSPERLONG_H */
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@ -0,0 +1,21 @@
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/*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_BYTEORDER_H
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#define __ASM_BYTEORDER_H
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#include <linux/byteorder/little_endian.h>
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#endif /* __ASM_BYTEORDER_H */
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@ -0,0 +1,173 @@
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/*
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* Based on arch/arm/include/asm/cmpxchg.h
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*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_CMPXCHG_H
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#define __ASM_CMPXCHG_H
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#include <linux/bug.h>
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#include <asm/barrier.h>
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static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
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{
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unsigned long ret, tmp;
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switch (size) {
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case 1:
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asm volatile("// __xchg1\n"
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"1: ldaxrb %w0, [%3]\n"
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" stlxrb %w1, %w2, [%3]\n"
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" cbnz %w1, 1b\n"
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: "=&r" (ret), "=&r" (tmp)
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: "r" (x), "r" (ptr)
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: "memory", "cc");
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break;
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case 2:
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asm volatile("// __xchg2\n"
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"1: ldaxrh %w0, [%3]\n"
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" stlxrh %w1, %w2, [%3]\n"
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" cbnz %w1, 1b\n"
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: "=&r" (ret), "=&r" (tmp)
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: "r" (x), "r" (ptr)
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: "memory", "cc");
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break;
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case 4:
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asm volatile("// __xchg4\n"
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"1: ldaxr %w0, [%3]\n"
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" stlxr %w1, %w2, [%3]\n"
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" cbnz %w1, 1b\n"
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: "=&r" (ret), "=&r" (tmp)
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: "r" (x), "r" (ptr)
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: "memory", "cc");
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break;
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case 8:
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asm volatile("// __xchg8\n"
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"1: ldaxr %0, [%3]\n"
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" stlxr %w1, %2, [%3]\n"
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" cbnz %w1, 1b\n"
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: "=&r" (ret), "=&r" (tmp)
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: "r" (x), "r" (ptr)
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: "memory", "cc");
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break;
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default:
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BUILD_BUG();
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}
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return ret;
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}
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#define xchg(ptr,x) \
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((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
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static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
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unsigned long new, int size)
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{
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unsigned long oldval = 0, res;
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switch (size) {
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case 1:
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do {
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asm volatile("// __cmpxchg1\n"
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" ldxrb %w1, [%2]\n"
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" mov %w0, #0\n"
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" cmp %w1, %w3\n"
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" b.ne 1f\n"
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" stxrb %w0, %w4, [%2]\n"
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"1:\n"
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: "=&r" (res), "=&r" (oldval)
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: "r" (ptr), "Ir" (old), "r" (new)
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: "cc");
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} while (res);
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break;
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case 2:
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do {
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asm volatile("// __cmpxchg2\n"
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" ldxrh %w1, [%2]\n"
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" mov %w0, #0\n"
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" cmp %w1, %w3\n"
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" b.ne 1f\n"
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" stxrh %w0, %w4, [%2]\n"
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"1:\n"
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: "=&r" (res), "=&r" (oldval)
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: "r" (ptr), "Ir" (old), "r" (new)
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: "memory", "cc");
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} while (res);
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break;
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case 4:
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do {
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asm volatile("// __cmpxchg4\n"
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" ldxr %w1, [%2]\n"
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" mov %w0, #0\n"
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" cmp %w1, %w3\n"
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" b.ne 1f\n"
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" stxr %w0, %w4, [%2]\n"
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"1:\n"
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: "=&r" (res), "=&r" (oldval)
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: "r" (ptr), "Ir" (old), "r" (new)
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: "cc");
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} while (res);
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break;
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case 8:
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do {
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asm volatile("// __cmpxchg8\n"
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" ldxr %1, [%2]\n"
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" mov %w0, #0\n"
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" cmp %1, %3\n"
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" b.ne 1f\n"
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" stxr %w0, %4, [%2]\n"
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"1:\n"
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: "=&r" (res), "=&r" (oldval)
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: "r" (ptr), "Ir" (old), "r" (new)
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: "cc");
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} while (res);
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break;
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default:
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BUILD_BUG();
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}
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return oldval;
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}
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static inline unsigned long __cmpxchg_mb(volatile void *ptr, unsigned long old,
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unsigned long new, int size)
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{
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unsigned long ret;
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smp_mb();
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ret = __cmpxchg(ptr, old, new, size);
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smp_mb();
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return ret;
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}
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#define cmpxchg(ptr,o,n) \
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((__typeof__(*(ptr)))__cmpxchg_mb((ptr), \
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(unsigned long)(o), \
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(unsigned long)(n), \
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sizeof(*(ptr))))
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#define cmpxchg_local(ptr,o,n) \
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((__typeof__(*(ptr)))__cmpxchg((ptr), \
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(unsigned long)(o), \
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(unsigned long)(n), \
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sizeof(*(ptr))))
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#endif /* __ASM_CMPXCHG_H */
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/*
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* Based on arch/arm/include/asm/compiler.h
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*
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* Copyright (C) 2012 ARM Ltd.
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*
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|
* 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.
|
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|
*
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|
* 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, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
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#ifndef __ASM_COMPILER_H
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#define __ASM_COMPILER_H
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/*
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* This is used to ensure the compiler did actually allocate the register we
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* asked it for some inline assembly sequences. Apparently we can't trust the
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* compiler from one version to another so a bit of paranoia won't hurt. This
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* string is meant to be concatenated with the inline asm string and will
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* cause compilation to stop on mismatch. (for details, see gcc PR 15089)
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*/
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#define __asmeq(x, y) ".ifnc " x "," y " ; .err ; .endif\n\t"
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#endif /* __ASM_COMPILER_H */
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@ -0,0 +1,23 @@
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/*
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* Based on arch/arm/include/asm/exception.h
|
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|
*
|
||||||
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* Copyright (C) 2012 ARM Ltd.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* 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, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
#ifndef __ASM_EXCEPTION_H
|
||||||
|
#define __ASM_EXCEPTION_H
|
||||||
|
|
||||||
|
#define __exception __attribute__((section(".exception.text")))
|
||||||
|
|
||||||
|
#endif /* __ASM_EXCEPTION_H */
|
||||||
|
|
@ -0,0 +1,23 @@
|
||||||
|
/*
|
||||||
|
* Based on arch/arm/include/asm/exec.h
|
||||||
|
*
|
||||||
|
* Copyright (C) 2012 ARM Ltd.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* 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, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
#ifndef __ASM_EXEC_H
|
||||||
|
#define __ASM_EXEC_H
|
||||||
|
|
||||||
|
extern unsigned long arch_align_stack(unsigned long sp);
|
||||||
|
|
||||||
|
#endif /* __ASM_EXEC_H */
|
||||||
|
|
@ -0,0 +1,29 @@
|
||||||
|
/*
|
||||||
|
* Copyright (C) 2012 ARM Ltd.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* 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, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
#ifndef __ASM_FCNTL_H
|
||||||
|
#define __ASM_FCNTL_H
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Using our own definitions for AArch32 (compat) support.
|
||||||
|
*/
|
||||||
|
#define O_DIRECTORY 040000 /* must be a directory */
|
||||||
|
#define O_NOFOLLOW 0100000 /* don't follow links */
|
||||||
|
#define O_DIRECT 0200000 /* direct disk access hint - currently ignored */
|
||||||
|
#define O_LARGEFILE 0400000
|
||||||
|
|
||||||
|
#include <asm-generic/fcntl.h>
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -0,0 +1,54 @@
|
||||||
|
/*
|
||||||
|
* Based on arch/arm/include/asm/system_misc.h
|
||||||
|
*
|
||||||
|
* Copyright (C) 2012 ARM Ltd.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* 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, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
#ifndef __ASM_SYSTEM_MISC_H
|
||||||
|
#define __ASM_SYSTEM_MISC_H
|
||||||
|
|
||||||
|
#ifndef __ASSEMBLY__
|
||||||
|
|
||||||
|
#include <linux/compiler.h>
|
||||||
|
#include <linux/linkage.h>
|
||||||
|
#include <linux/irqflags.h>
|
||||||
|
|
||||||
|
struct pt_regs;
|
||||||
|
|
||||||
|
void die(const char *msg, struct pt_regs *regs, int err);
|
||||||
|
|
||||||
|
struct siginfo;
|
||||||
|
void arm64_notify_die(const char *str, struct pt_regs *regs,
|
||||||
|
struct siginfo *info, int err);
|
||||||
|
|
||||||
|
void hook_debug_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
|
||||||
|
struct pt_regs *),
|
||||||
|
int sig, int code, const char *name);
|
||||||
|
|
||||||
|
struct mm_struct;
|
||||||
|
extern void show_pte(struct mm_struct *mm, unsigned long addr);
|
||||||
|
extern void __show_regs(struct pt_regs *);
|
||||||
|
|
||||||
|
void soft_restart(unsigned long);
|
||||||
|
extern void (*pm_restart)(const char *cmd);
|
||||||
|
|
||||||
|
#define UDBG_UNDEFINED (1 << 0)
|
||||||
|
#define UDBG_SYSCALL (1 << 1)
|
||||||
|
#define UDBG_BADABORT (1 << 2)
|
||||||
|
#define UDBG_SEGV (1 << 3)
|
||||||
|
#define UDBG_BUS (1 << 4)
|
||||||
|
|
||||||
|
#endif /* __ASSEMBLY__ */
|
||||||
|
|
||||||
|
#endif /* __ASM_SYSTEM_MISC_H */
|
||||||
Loading…
Reference in New Issue