From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754207AbbDSNbK (ORCPT ); Sun, 19 Apr 2015 09:31:10 -0400 Received: from shonan.sfc.wide.ad.jp ([203.178.142.130]:56612 "EHLO mail.sfc.wide.ad.jp" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753792AbbDSN3X (ORCPT ); Sun, 19 Apr 2015 09:29:23 -0400 From: Hajime Tazaki To: linux-arch@vger.kernel.org Cc: Hajime Tazaki , Arnd Bergmann , Jonathan Corbet , Christoph Lameter , Jekka Enberg , Javid Rientjes , Joonsoo Kim , Jndrew Morton , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, netdev@vger.kernel.org, linux-mm@kvack.org, Jeff Dike , Richard Weinberger , Rusty Russell , Ryo Nakamura , Christoph Paasch , Mathieu Lacage , libos-nuse@googlegroups.com Subject: [RFC PATCH v3 08/10] lib: auxially files for auto-generated asm-generic files of libos Date: Sun, 19 Apr 2015 22:28:22 +0900 Message-Id: <1429450104-47619-9-git-send-email-tazaki@sfc.wide.ad.jp> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1429450104-47619-1-git-send-email-tazaki@sfc.wide.ad.jp> References: <1429263374-57517-1-git-send-email-tazaki@sfc.wide.ad.jp> <1429450104-47619-1-git-send-email-tazaki@sfc.wide.ad.jp> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org these files works as stubs in order to transparently run the other kernel part (e.g., net/) on libos environment. Signed-off-by: Hajime Tazaki --- arch/lib/include/asm/Kbuild | 57 +++++++++++++++++++++++++++++++++++ arch/lib/include/asm/atomic.h | 50 ++++++++++++++++++++++++++++++ arch/lib/include/asm/barrier.h | 8 +++++ arch/lib/include/asm/bitsperlong.h | 12 ++++++++ arch/lib/include/asm/current.h | 7 +++++ arch/lib/include/asm/elf.h | 10 ++++++ arch/lib/include/asm/hardirq.h | 8 +++++ arch/lib/include/asm/page.h | 14 +++++++++ arch/lib/include/asm/pgtable.h | 30 ++++++++++++++++++ arch/lib/include/asm/processor.h | 19 ++++++++++++ arch/lib/include/asm/ptrace.h | 4 +++ arch/lib/include/asm/segment.h | 6 ++++ arch/lib/include/asm/sembuf.h | 4 +++ arch/lib/include/asm/shmbuf.h | 4 +++ arch/lib/include/asm/shmparam.h | 4 +++ arch/lib/include/asm/sigcontext.h | 6 ++++ arch/lib/include/asm/stat.h | 4 +++ arch/lib/include/asm/statfs.h | 4 +++ arch/lib/include/asm/swab.h | 7 +++++ arch/lib/include/asm/thread_info.h | 36 ++++++++++++++++++++++ arch/lib/include/asm/uaccess.h | 14 +++++++++ arch/lib/include/asm/unistd.h | 4 +++ arch/lib/include/uapi/asm/byteorder.h | 6 ++++ 23 files changed, 318 insertions(+) create mode 100644 arch/lib/include/asm/Kbuild create mode 100644 arch/lib/include/asm/atomic.h create mode 100644 arch/lib/include/asm/barrier.h create mode 100644 arch/lib/include/asm/bitsperlong.h create mode 100644 arch/lib/include/asm/current.h create mode 100644 arch/lib/include/asm/elf.h create mode 100644 arch/lib/include/asm/hardirq.h create mode 100644 arch/lib/include/asm/page.h create mode 100644 arch/lib/include/asm/pgtable.h create mode 100644 arch/lib/include/asm/processor.h create mode 100644 arch/lib/include/asm/ptrace.h create mode 100644 arch/lib/include/asm/segment.h create mode 100644 arch/lib/include/asm/sembuf.h create mode 100644 arch/lib/include/asm/shmbuf.h create mode 100644 arch/lib/include/asm/shmparam.h create mode 100644 arch/lib/include/asm/sigcontext.h create mode 100644 arch/lib/include/asm/stat.h create mode 100644 arch/lib/include/asm/statfs.h create mode 100644 arch/lib/include/asm/swab.h create mode 100644 arch/lib/include/asm/thread_info.h create mode 100644 arch/lib/include/asm/uaccess.h create mode 100644 arch/lib/include/asm/unistd.h create mode 100644 arch/lib/include/uapi/asm/byteorder.h diff --git a/arch/lib/include/asm/Kbuild b/arch/lib/include/asm/Kbuild new file mode 100644 index 0000000..c647b1c --- /dev/null +++ b/arch/lib/include/asm/Kbuild @@ -0,0 +1,57 @@ +generic-y += auxvec.h +generic-y += bitops.h +generic-y += bug.h +generic-y += cache.h +generic-y += cacheflush.h +generic-y += checksum.h +generic-y += cputime.h +generic-y += cmpxchg.h +generic-y += delay.h +generic-y += device.h +generic-y += div64.h +generic-y += dma.h +generic-y += exec.h +generic-y += emergency-restart.h +generic-y += errno.h +generic-y += fcntl.h +generic-y += ftrace.h +generic-y += io.h +generic-y += ioctl.h +generic-y += ioctls.h +generic-y += ipcbuf.h +generic-y += irq.h +generic-y += irqflags.h +generic-y += irq_regs.h +generic-y += kdebug.h +generic-y += kmap_types.h +generic-y += linkage.h +generic-y += local.h +generic-y += mcs_spinlock.h +generic-y += mman.h +generic-y += mmu.h +generic-y += mmu_context.h +generic-y += module.h +generic-y += mutex.h +generic-y += param.h +generic-y += pci.h +generic-y += percpu.h +generic-y += poll.h +generic-y += posix_types.h +generic-y += preempt.h +generic-y += resource.h +generic-y += scatterlist.h +generic-y += sections.h +generic-y += setup.h +generic-y += signal.h +generic-y += siginfo.h +generic-y += socket.h +generic-y += sockios.h +generic-y += string.h +generic-y += termbits.h +generic-y += termios.h +generic-y += timex.h +generic-y += tlbflush.h +generic-y += types.h +generic-y += topology.h +generic-y += trace_clock.h +generic-y += unaligned.h diff --git a/arch/lib/include/asm/atomic.h b/arch/lib/include/asm/atomic.h new file mode 100644 index 0000000..41a49285 --- /dev/null +++ b/arch/lib/include/asm/atomic.h @@ -0,0 +1,50 @@ +#ifndef _ASM_SIM_ATOMIC_H +#define _ASM_SIM_ATOMIC_H + +#include + +#if !defined(CONFIG_64BIT) +typedef struct { + volatile long long counter; +} atomic64_t; +#endif + +#define ATOMIC64_INIT(i) { (i) } + +#define atomic64_read(v) (*(volatile long *)&(v)->counter) +void atomic64_add(long i, atomic64_t *v); +static inline void atomic64_sub(long i, atomic64_t *v) +{ + v->counter -= i; +} +static inline void atomic64_inc(atomic64_t *v) +{ + v->counter++; +} +int atomic64_sub_and_test(long i, atomic64_t *v); +#define atomic64_dec(v) atomic64_sub(1LL, (v)) +int atomic64_dec_and_test(atomic64_t *v); +int atomic64_inc_and_test(atomic64_t *v); +int atomic64_add_negative(long i, atomic64_t *v); +/* long atomic64_add_return(long i, atomic64_t *v); */ +static inline long atomic64_add_return(long i, atomic64_t *v) +{ + v->counter += i; + return v->counter; +} +static inline void atomic64_set(atomic64_t *v, long i) +{ + v->counter = i; +} +long atomic64_sub_return(long i, atomic64_t *v); +long atomic64_inc_return(atomic64_t *v); +long atomic64_dec_return(atomic64_t *v); +long atomic64_cmpxchg(atomic64_t *v, long old, long new); +long atomic64_xchg(atomic64_t *v, long new); +int atomic64_add_unless(atomic64_t *v, long a, long u); +int atomic64_inc_is_not_zero(atomic64_t *v); +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) + +#include + +#endif /* _ASM_SIM_ATOMIC_H */ diff --git a/arch/lib/include/asm/barrier.h b/arch/lib/include/asm/barrier.h new file mode 100644 index 0000000..47adcc6 --- /dev/null +++ b/arch/lib/include/asm/barrier.h @@ -0,0 +1,8 @@ +#include + +#undef smp_store_release +#define smp_store_release(p, v) \ + do { \ + smp_mb(); \ + ACCESS_ONCE(*p) = (v); \ + } while (0) diff --git a/arch/lib/include/asm/bitsperlong.h b/arch/lib/include/asm/bitsperlong.h new file mode 100644 index 0000000..c7592f9 --- /dev/null +++ b/arch/lib/include/asm/bitsperlong.h @@ -0,0 +1,12 @@ +#ifndef _ASM_SIM_BITSPERLONG_H +#define _ASM_SIM_BITSPERLONG_H + +#ifdef CONFIG_64BIT +#define BITS_PER_LONG 64 +#else +#define BITS_PER_LONG 32 +#endif /* CONFIG_64BIT */ + +#define __BITS_PER_LONG BITS_PER_LONG + +#endif /* _ASM_SIM_BITSPERLONG_H */ diff --git a/arch/lib/include/asm/current.h b/arch/lib/include/asm/current.h new file mode 100644 index 0000000..62489cd --- /dev/null +++ b/arch/lib/include/asm/current.h @@ -0,0 +1,7 @@ +#ifndef _ASM_SIM_CURRENT_H +#define _ASM_SIM_CURRENT_H + +struct task_struct *get_current(void); +#define current get_current() + +#endif /* _ASM_SIM_CURRENT_H */ diff --git a/arch/lib/include/asm/elf.h b/arch/lib/include/asm/elf.h new file mode 100644 index 0000000..a7396c9 --- /dev/null +++ b/arch/lib/include/asm/elf.h @@ -0,0 +1,10 @@ +#ifndef _ASM_SIM_ELF_H +#define _ASM_SIM_ELF_H + +#if defined(CONFIG_64BIT) +#define ELF_CLASS ELFCLASS64 +#else +#define ELF_CLASS ELFCLASS32 +#endif + +#endif /* _ASM_SIM_ELF_H */ diff --git a/arch/lib/include/asm/hardirq.h b/arch/lib/include/asm/hardirq.h new file mode 100644 index 0000000..47d47f9 --- /dev/null +++ b/arch/lib/include/asm/hardirq.h @@ -0,0 +1,8 @@ +#ifndef _ASM_SIM_HARDIRQ_H +#define _ASM_SIM_HARDIRQ_H + +extern unsigned int interrupt_pending; + +#define local_softirq_pending() (interrupt_pending) + +#endif /* _ASM_SIM_HARDIRQ_H */ diff --git a/arch/lib/include/asm/page.h b/arch/lib/include/asm/page.h new file mode 100644 index 0000000..8c0aa74 --- /dev/null +++ b/arch/lib/include/asm/page.h @@ -0,0 +1,14 @@ +#ifndef _ASM_SIM_PAGE_H +#define _ASM_SIM_PAGE_H + +typedef struct {} pud_t; + +#define THREAD_ORDER 1 +#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) + +#define WANT_PAGE_VIRTUAL 1 + +#include +#include + +#endif /* _ASM_SIM_PAGE_H */ diff --git a/arch/lib/include/asm/pgtable.h b/arch/lib/include/asm/pgtable.h new file mode 100644 index 0000000..ce599c8 --- /dev/null +++ b/arch/lib/include/asm/pgtable.h @@ -0,0 +1,30 @@ +#ifndef _ASM_SIM_PGTABLE_H +#define _ASM_SIM_PGTABLE_H + +#define PAGE_KERNEL ((pgprot_t) {0 }) + +#define arch_start_context_switch(prev) do {} while (0) + +#define kern_addr_valid(addr)(1) +#define pte_file(pte)(1) +/* Encode and de-code a swap entry */ +#define __swp_type(x) (((x).val >> 5) & 0x1f) +#define __swp_offset(x) ((x).val >> 11) +#define __swp_entry(type, offset) \ + ((swp_entry_t) {((type) << 5) | ((offset) << 11) }) +#define __pte_to_swp_entry(pte) ((swp_entry_t) {pte_val((pte)) }) +#define __swp_entry_to_pte(x) ((pte_t) {(x).val }) +#define pmd_page(pmd) (struct page *)(pmd_val(pmd) & PAGE_MASK) +#define pgtable_cache_init() do { } while (0) + +static inline int pte_swp_soft_dirty(pte_t pte) +{ + return 0; +} + +static inline pte_t pte_swp_clear_soft_dirty(pte_t pte) +{ + return pte; +} + +#endif /* _ASM_SIM_PGTABLE_H */ diff --git a/arch/lib/include/asm/processor.h b/arch/lib/include/asm/processor.h new file mode 100644 index 0000000..b673ee0 --- /dev/null +++ b/arch/lib/include/asm/processor.h @@ -0,0 +1,19 @@ +#ifndef _ASM_SIM_PROCESSOR_H +#define _ASM_SIM_PROCESSOR_H + +struct thread_struct {}; + +#define cpu_relax() +#define cpu_relax_lowlatency() cpu_relax() +#define KSTK_ESP(tsk) (0) + +void *current_text_addr(void); + +#define TASK_SIZE ((~(long)0)) + +#define thread_saved_pc(x) (unsigned long)0 +#define task_pt_regs(t) NULL + +int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); + +#endif /* _ASM_SIM_PROCESSOR_H */ diff --git a/arch/lib/include/asm/ptrace.h b/arch/lib/include/asm/ptrace.h new file mode 100644 index 0000000..ddd9708 --- /dev/null +++ b/arch/lib/include/asm/ptrace.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_PTRACE_H +#define _ASM_SIM_PTRACE_H + +#endif /* _ASM_SIM_PTRACE_H */ diff --git a/arch/lib/include/asm/segment.h b/arch/lib/include/asm/segment.h new file mode 100644 index 0000000..e056922 --- /dev/null +++ b/arch/lib/include/asm/segment.h @@ -0,0 +1,6 @@ +#ifndef _ASM_SIM_SEGMENT_H +#define _ASM_SIM_SEGMENT_H + +typedef struct { int seg; } mm_segment_t; + +#endif /* _ASM_SIM_SEGMENT_H */ diff --git a/arch/lib/include/asm/sembuf.h b/arch/lib/include/asm/sembuf.h new file mode 100644 index 0000000..d64927b --- /dev/null +++ b/arch/lib/include/asm/sembuf.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_SEMBUF_H +#define _ASM_SIM_SEMBUF_H + +#endif /* _ASM_SIM_SEMBUF_H */ diff --git a/arch/lib/include/asm/shmbuf.h b/arch/lib/include/asm/shmbuf.h new file mode 100644 index 0000000..42d0a71 --- /dev/null +++ b/arch/lib/include/asm/shmbuf.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_SHMBUF_H +#define _ASM_SIM_SHMBUF_H + +#endif /* _ASM_SIM_SHMBUF_H */ diff --git a/arch/lib/include/asm/shmparam.h b/arch/lib/include/asm/shmparam.h new file mode 100644 index 0000000..3410f1b --- /dev/null +++ b/arch/lib/include/asm/shmparam.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_SHMPARAM_H +#define _ASM_SIM_SHMPARAM_H + +#endif /* _ASM_SIM_SHMPARAM_H */ diff --git a/arch/lib/include/asm/sigcontext.h b/arch/lib/include/asm/sigcontext.h new file mode 100644 index 0000000..230b4b5 --- /dev/null +++ b/arch/lib/include/asm/sigcontext.h @@ -0,0 +1,6 @@ +#ifndef _ASM_SIM_SIGCONTEXT_H +#define _ASM_SIM_SIGCONTEXT_H + +struct sigcontext {}; + +#endif /* _ASM_SIM_SIGCONTEXT_H */ diff --git a/arch/lib/include/asm/stat.h b/arch/lib/include/asm/stat.h new file mode 100644 index 0000000..80fa2cb --- /dev/null +++ b/arch/lib/include/asm/stat.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_STAT_H +#define _ASM_SIM_STAT_H + +#endif /* _ASM_SIM_STAT_H */ diff --git a/arch/lib/include/asm/statfs.h b/arch/lib/include/asm/statfs.h new file mode 100644 index 0000000..881ce51 --- /dev/null +++ b/arch/lib/include/asm/statfs.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_STATFS_H +#define _ASM_SIM_STATFS_H + +#endif /* _ASM_SIM_STATFS_H */ diff --git a/arch/lib/include/asm/swab.h b/arch/lib/include/asm/swab.h new file mode 100644 index 0000000..d81376a --- /dev/null +++ b/arch/lib/include/asm/swab.h @@ -0,0 +1,7 @@ +#ifndef _ASM_SIM_SWAB_H +#define _ASM_SIM_SWAB_H + +#include + + +#endif /* _ASM_SIM_SWAB_H */ diff --git a/arch/lib/include/asm/thread_info.h b/arch/lib/include/asm/thread_info.h new file mode 100644 index 0000000..ec316c6 --- /dev/null +++ b/arch/lib/include/asm/thread_info.h @@ -0,0 +1,36 @@ +#ifndef _ASM_SIM_THREAD_INFO_H +#define _ASM_SIM_THREAD_INFO_H + +#define TIF_NEED_RESCHED 1 +#define TIF_SIGPENDING 2 +#define TIF_MEMDIE 5 + +struct thread_info { + __u32 flags; + int preempt_count; + struct task_struct *task; + struct restart_block restart_block; +}; + +struct thread_info *current_thread_info(void); +struct thread_info *alloc_thread_info(struct task_struct *task); +void free_thread_info(struct thread_info *ti); + +#define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal() */ +#define HAVE_SET_RESTORE_SIGMASK 1 +static inline void set_restore_sigmask(void) +{ +} +static inline void clear_restore_sigmask(void) +{ +} +static inline bool test_restore_sigmask(void) +{ + return true; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + return true; +} + +#endif /* _ASM_SIM_THREAD_INFO_H */ diff --git a/arch/lib/include/asm/uaccess.h b/arch/lib/include/asm/uaccess.h new file mode 100644 index 0000000..74f973b --- /dev/null +++ b/arch/lib/include/asm/uaccess.h @@ -0,0 +1,14 @@ +#ifndef _ASM_SIM_UACCESS_H +#define _ASM_SIM_UACCESS_H + +#define KERNEL_DS ((mm_segment_t) {0 }) +#define USER_DS ((mm_segment_t) {0 }) +#define get_fs() KERNEL_DS +#define get_ds() USER_DS +#define set_fs(x) do {} while ((x.seg) != (x.seg)) + +#define __access_ok(addr, size) (1) + +#include + +#endif /* _ASM_SIM_UACCESS_H */ diff --git a/arch/lib/include/asm/unistd.h b/arch/lib/include/asm/unistd.h new file mode 100644 index 0000000..6b482b4 --- /dev/null +++ b/arch/lib/include/asm/unistd.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_UNISTD_H +#define _ASM_SIM_UNISTD_H + +#endif /* _ASM_SIM_UNISTD_H */ diff --git a/arch/lib/include/uapi/asm/byteorder.h b/arch/lib/include/uapi/asm/byteorder.h new file mode 100644 index 0000000..b13a7a8 --- /dev/null +++ b/arch/lib/include/uapi/asm/byteorder.h @@ -0,0 +1,6 @@ +#ifndef _ASM_X86_BYTEORDER_H +#define _ASM_X86_BYTEORDER_H + +#include + +#endif /* _ASM_X86_BYTEORDER_H */ -- 2.1.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hajime Tazaki Subject: [RFC PATCH v3 08/10] lib: auxially files for auto-generated asm-generic files of libos Date: Sun, 19 Apr 2015 22:28:22 +0900 Message-ID: <1429450104-47619-9-git-send-email-tazaki@sfc.wide.ad.jp> References: <1429263374-57517-1-git-send-email-tazaki@sfc.wide.ad.jp> <1429450104-47619-1-git-send-email-tazaki@sfc.wide.ad.jp> Cc: Hajime Tazaki , Arnd Bergmann , Jonathan Corbet , Christoph Lameter , Jekka Enberg , Javid Rientjes , Joonsoo Kim , Jndrew Morton , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, netdev@vger.kernel.org, linux-mm@kvack.org, Jeff Dike , Richard Weinberger , Rusty Russell , Ryo Nakamura , Christoph Paasch , Mathieu Lacage , libos-nuse@googlegroups.com To: linux-arch@vger.kernel.org Return-path: In-Reply-To: <1429450104-47619-1-git-send-email-tazaki@sfc.wide.ad.jp> Sender: owner-linux-mm@kvack.org List-Id: netdev.vger.kernel.org these files works as stubs in order to transparently run the other kernel part (e.g., net/) on libos environment. Signed-off-by: Hajime Tazaki --- arch/lib/include/asm/Kbuild | 57 +++++++++++++++++++++++++++++++++++ arch/lib/include/asm/atomic.h | 50 ++++++++++++++++++++++++++++++ arch/lib/include/asm/barrier.h | 8 +++++ arch/lib/include/asm/bitsperlong.h | 12 ++++++++ arch/lib/include/asm/current.h | 7 +++++ arch/lib/include/asm/elf.h | 10 ++++++ arch/lib/include/asm/hardirq.h | 8 +++++ arch/lib/include/asm/page.h | 14 +++++++++ arch/lib/include/asm/pgtable.h | 30 ++++++++++++++++++ arch/lib/include/asm/processor.h | 19 ++++++++++++ arch/lib/include/asm/ptrace.h | 4 +++ arch/lib/include/asm/segment.h | 6 ++++ arch/lib/include/asm/sembuf.h | 4 +++ arch/lib/include/asm/shmbuf.h | 4 +++ arch/lib/include/asm/shmparam.h | 4 +++ arch/lib/include/asm/sigcontext.h | 6 ++++ arch/lib/include/asm/stat.h | 4 +++ arch/lib/include/asm/statfs.h | 4 +++ arch/lib/include/asm/swab.h | 7 +++++ arch/lib/include/asm/thread_info.h | 36 ++++++++++++++++++++++ arch/lib/include/asm/uaccess.h | 14 +++++++++ arch/lib/include/asm/unistd.h | 4 +++ arch/lib/include/uapi/asm/byteorder.h | 6 ++++ 23 files changed, 318 insertions(+) create mode 100644 arch/lib/include/asm/Kbuild create mode 100644 arch/lib/include/asm/atomic.h create mode 100644 arch/lib/include/asm/barrier.h create mode 100644 arch/lib/include/asm/bitsperlong.h create mode 100644 arch/lib/include/asm/current.h create mode 100644 arch/lib/include/asm/elf.h create mode 100644 arch/lib/include/asm/hardirq.h create mode 100644 arch/lib/include/asm/page.h create mode 100644 arch/lib/include/asm/pgtable.h create mode 100644 arch/lib/include/asm/processor.h create mode 100644 arch/lib/include/asm/ptrace.h create mode 100644 arch/lib/include/asm/segment.h create mode 100644 arch/lib/include/asm/sembuf.h create mode 100644 arch/lib/include/asm/shmbuf.h create mode 100644 arch/lib/include/asm/shmparam.h create mode 100644 arch/lib/include/asm/sigcontext.h create mode 100644 arch/lib/include/asm/stat.h create mode 100644 arch/lib/include/asm/statfs.h create mode 100644 arch/lib/include/asm/swab.h create mode 100644 arch/lib/include/asm/thread_info.h create mode 100644 arch/lib/include/asm/uaccess.h create mode 100644 arch/lib/include/asm/unistd.h create mode 100644 arch/lib/include/uapi/asm/byteorder.h diff --git a/arch/lib/include/asm/Kbuild b/arch/lib/include/asm/Kbuild new file mode 100644 index 0000000..c647b1c --- /dev/null +++ b/arch/lib/include/asm/Kbuild @@ -0,0 +1,57 @@ +generic-y += auxvec.h +generic-y += bitops.h +generic-y += bug.h +generic-y += cache.h +generic-y += cacheflush.h +generic-y += checksum.h +generic-y += cputime.h +generic-y += cmpxchg.h +generic-y += delay.h +generic-y += device.h +generic-y += div64.h +generic-y += dma.h +generic-y += exec.h +generic-y += emergency-restart.h +generic-y += errno.h +generic-y += fcntl.h +generic-y += ftrace.h +generic-y += io.h +generic-y += ioctl.h +generic-y += ioctls.h +generic-y += ipcbuf.h +generic-y += irq.h +generic-y += irqflags.h +generic-y += irq_regs.h +generic-y += kdebug.h +generic-y += kmap_types.h +generic-y += linkage.h +generic-y += local.h +generic-y += mcs_spinlock.h +generic-y += mman.h +generic-y += mmu.h +generic-y += mmu_context.h +generic-y += module.h +generic-y += mutex.h +generic-y += param.h +generic-y += pci.h +generic-y += percpu.h +generic-y += poll.h +generic-y += posix_types.h +generic-y += preempt.h +generic-y += resource.h +generic-y += scatterlist.h +generic-y += sections.h +generic-y += setup.h +generic-y += signal.h +generic-y += siginfo.h +generic-y += socket.h +generic-y += sockios.h +generic-y += string.h +generic-y += termbits.h +generic-y += termios.h +generic-y += timex.h +generic-y += tlbflush.h +generic-y += types.h +generic-y += topology.h +generic-y += trace_clock.h +generic-y += unaligned.h diff --git a/arch/lib/include/asm/atomic.h b/arch/lib/include/asm/atomic.h new file mode 100644 index 0000000..41a49285 --- /dev/null +++ b/arch/lib/include/asm/atomic.h @@ -0,0 +1,50 @@ +#ifndef _ASM_SIM_ATOMIC_H +#define _ASM_SIM_ATOMIC_H + +#include + +#if !defined(CONFIG_64BIT) +typedef struct { + volatile long long counter; +} atomic64_t; +#endif + +#define ATOMIC64_INIT(i) { (i) } + +#define atomic64_read(v) (*(volatile long *)&(v)->counter) +void atomic64_add(long i, atomic64_t *v); +static inline void atomic64_sub(long i, atomic64_t *v) +{ + v->counter -= i; +} +static inline void atomic64_inc(atomic64_t *v) +{ + v->counter++; +} +int atomic64_sub_and_test(long i, atomic64_t *v); +#define atomic64_dec(v) atomic64_sub(1LL, (v)) +int atomic64_dec_and_test(atomic64_t *v); +int atomic64_inc_and_test(atomic64_t *v); +int atomic64_add_negative(long i, atomic64_t *v); +/* long atomic64_add_return(long i, atomic64_t *v); */ +static inline long atomic64_add_return(long i, atomic64_t *v) +{ + v->counter += i; + return v->counter; +} +static inline void atomic64_set(atomic64_t *v, long i) +{ + v->counter = i; +} +long atomic64_sub_return(long i, atomic64_t *v); +long atomic64_inc_return(atomic64_t *v); +long atomic64_dec_return(atomic64_t *v); +long atomic64_cmpxchg(atomic64_t *v, long old, long new); +long atomic64_xchg(atomic64_t *v, long new); +int atomic64_add_unless(atomic64_t *v, long a, long u); +int atomic64_inc_is_not_zero(atomic64_t *v); +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) + +#include + +#endif /* _ASM_SIM_ATOMIC_H */ diff --git a/arch/lib/include/asm/barrier.h b/arch/lib/include/asm/barrier.h new file mode 100644 index 0000000..47adcc6 --- /dev/null +++ b/arch/lib/include/asm/barrier.h @@ -0,0 +1,8 @@ +#include + +#undef smp_store_release +#define smp_store_release(p, v) \ + do { \ + smp_mb(); \ + ACCESS_ONCE(*p) = (v); \ + } while (0) diff --git a/arch/lib/include/asm/bitsperlong.h b/arch/lib/include/asm/bitsperlong.h new file mode 100644 index 0000000..c7592f9 --- /dev/null +++ b/arch/lib/include/asm/bitsperlong.h @@ -0,0 +1,12 @@ +#ifndef _ASM_SIM_BITSPERLONG_H +#define _ASM_SIM_BITSPERLONG_H + +#ifdef CONFIG_64BIT +#define BITS_PER_LONG 64 +#else +#define BITS_PER_LONG 32 +#endif /* CONFIG_64BIT */ + +#define __BITS_PER_LONG BITS_PER_LONG + +#endif /* _ASM_SIM_BITSPERLONG_H */ diff --git a/arch/lib/include/asm/current.h b/arch/lib/include/asm/current.h new file mode 100644 index 0000000..62489cd --- /dev/null +++ b/arch/lib/include/asm/current.h @@ -0,0 +1,7 @@ +#ifndef _ASM_SIM_CURRENT_H +#define _ASM_SIM_CURRENT_H + +struct task_struct *get_current(void); +#define current get_current() + +#endif /* _ASM_SIM_CURRENT_H */ diff --git a/arch/lib/include/asm/elf.h b/arch/lib/include/asm/elf.h new file mode 100644 index 0000000..a7396c9 --- /dev/null +++ b/arch/lib/include/asm/elf.h @@ -0,0 +1,10 @@ +#ifndef _ASM_SIM_ELF_H +#define _ASM_SIM_ELF_H + +#if defined(CONFIG_64BIT) +#define ELF_CLASS ELFCLASS64 +#else +#define ELF_CLASS ELFCLASS32 +#endif + +#endif /* _ASM_SIM_ELF_H */ diff --git a/arch/lib/include/asm/hardirq.h b/arch/lib/include/asm/hardirq.h new file mode 100644 index 0000000..47d47f9 --- /dev/null +++ b/arch/lib/include/asm/hardirq.h @@ -0,0 +1,8 @@ +#ifndef _ASM_SIM_HARDIRQ_H +#define _ASM_SIM_HARDIRQ_H + +extern unsigned int interrupt_pending; + +#define local_softirq_pending() (interrupt_pending) + +#endif /* _ASM_SIM_HARDIRQ_H */ diff --git a/arch/lib/include/asm/page.h b/arch/lib/include/asm/page.h new file mode 100644 index 0000000..8c0aa74 --- /dev/null +++ b/arch/lib/include/asm/page.h @@ -0,0 +1,14 @@ +#ifndef _ASM_SIM_PAGE_H +#define _ASM_SIM_PAGE_H + +typedef struct {} pud_t; + +#define THREAD_ORDER 1 +#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) + +#define WANT_PAGE_VIRTUAL 1 + +#include +#include + +#endif /* _ASM_SIM_PAGE_H */ diff --git a/arch/lib/include/asm/pgtable.h b/arch/lib/include/asm/pgtable.h new file mode 100644 index 0000000..ce599c8 --- /dev/null +++ b/arch/lib/include/asm/pgtable.h @@ -0,0 +1,30 @@ +#ifndef _ASM_SIM_PGTABLE_H +#define _ASM_SIM_PGTABLE_H + +#define PAGE_KERNEL ((pgprot_t) {0 }) + +#define arch_start_context_switch(prev) do {} while (0) + +#define kern_addr_valid(addr)(1) +#define pte_file(pte)(1) +/* Encode and de-code a swap entry */ +#define __swp_type(x) (((x).val >> 5) & 0x1f) +#define __swp_offset(x) ((x).val >> 11) +#define __swp_entry(type, offset) \ + ((swp_entry_t) {((type) << 5) | ((offset) << 11) }) +#define __pte_to_swp_entry(pte) ((swp_entry_t) {pte_val((pte)) }) +#define __swp_entry_to_pte(x) ((pte_t) {(x).val }) +#define pmd_page(pmd) (struct page *)(pmd_val(pmd) & PAGE_MASK) +#define pgtable_cache_init() do { } while (0) + +static inline int pte_swp_soft_dirty(pte_t pte) +{ + return 0; +} + +static inline pte_t pte_swp_clear_soft_dirty(pte_t pte) +{ + return pte; +} + +#endif /* _ASM_SIM_PGTABLE_H */ diff --git a/arch/lib/include/asm/processor.h b/arch/lib/include/asm/processor.h new file mode 100644 index 0000000..b673ee0 --- /dev/null +++ b/arch/lib/include/asm/processor.h @@ -0,0 +1,19 @@ +#ifndef _ASM_SIM_PROCESSOR_H +#define _ASM_SIM_PROCESSOR_H + +struct thread_struct {}; + +#define cpu_relax() +#define cpu_relax_lowlatency() cpu_relax() +#define KSTK_ESP(tsk) (0) + +void *current_text_addr(void); + +#define TASK_SIZE ((~(long)0)) + +#define thread_saved_pc(x) (unsigned long)0 +#define task_pt_regs(t) NULL + +int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); + +#endif /* _ASM_SIM_PROCESSOR_H */ diff --git a/arch/lib/include/asm/ptrace.h b/arch/lib/include/asm/ptrace.h new file mode 100644 index 0000000..ddd9708 --- /dev/null +++ b/arch/lib/include/asm/ptrace.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_PTRACE_H +#define _ASM_SIM_PTRACE_H + +#endif /* _ASM_SIM_PTRACE_H */ diff --git a/arch/lib/include/asm/segment.h b/arch/lib/include/asm/segment.h new file mode 100644 index 0000000..e056922 --- /dev/null +++ b/arch/lib/include/asm/segment.h @@ -0,0 +1,6 @@ +#ifndef _ASM_SIM_SEGMENT_H +#define _ASM_SIM_SEGMENT_H + +typedef struct { int seg; } mm_segment_t; + +#endif /* _ASM_SIM_SEGMENT_H */ diff --git a/arch/lib/include/asm/sembuf.h b/arch/lib/include/asm/sembuf.h new file mode 100644 index 0000000..d64927b --- /dev/null +++ b/arch/lib/include/asm/sembuf.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_SEMBUF_H +#define _ASM_SIM_SEMBUF_H + +#endif /* _ASM_SIM_SEMBUF_H */ diff --git a/arch/lib/include/asm/shmbuf.h b/arch/lib/include/asm/shmbuf.h new file mode 100644 index 0000000..42d0a71 --- /dev/null +++ b/arch/lib/include/asm/shmbuf.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_SHMBUF_H +#define _ASM_SIM_SHMBUF_H + +#endif /* _ASM_SIM_SHMBUF_H */ diff --git a/arch/lib/include/asm/shmparam.h b/arch/lib/include/asm/shmparam.h new file mode 100644 index 0000000..3410f1b --- /dev/null +++ b/arch/lib/include/asm/shmparam.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_SHMPARAM_H +#define _ASM_SIM_SHMPARAM_H + +#endif /* _ASM_SIM_SHMPARAM_H */ diff --git a/arch/lib/include/asm/sigcontext.h b/arch/lib/include/asm/sigcontext.h new file mode 100644 index 0000000..230b4b5 --- /dev/null +++ b/arch/lib/include/asm/sigcontext.h @@ -0,0 +1,6 @@ +#ifndef _ASM_SIM_SIGCONTEXT_H +#define _ASM_SIM_SIGCONTEXT_H + +struct sigcontext {}; + +#endif /* _ASM_SIM_SIGCONTEXT_H */ diff --git a/arch/lib/include/asm/stat.h b/arch/lib/include/asm/stat.h new file mode 100644 index 0000000..80fa2cb --- /dev/null +++ b/arch/lib/include/asm/stat.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_STAT_H +#define _ASM_SIM_STAT_H + +#endif /* _ASM_SIM_STAT_H */ diff --git a/arch/lib/include/asm/statfs.h b/arch/lib/include/asm/statfs.h new file mode 100644 index 0000000..881ce51 --- /dev/null +++ b/arch/lib/include/asm/statfs.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_STATFS_H +#define _ASM_SIM_STATFS_H + +#endif /* _ASM_SIM_STATFS_H */ diff --git a/arch/lib/include/asm/swab.h b/arch/lib/include/asm/swab.h new file mode 100644 index 0000000..d81376a --- /dev/null +++ b/arch/lib/include/asm/swab.h @@ -0,0 +1,7 @@ +#ifndef _ASM_SIM_SWAB_H +#define _ASM_SIM_SWAB_H + +#include + + +#endif /* _ASM_SIM_SWAB_H */ diff --git a/arch/lib/include/asm/thread_info.h b/arch/lib/include/asm/thread_info.h new file mode 100644 index 0000000..ec316c6 --- /dev/null +++ b/arch/lib/include/asm/thread_info.h @@ -0,0 +1,36 @@ +#ifndef _ASM_SIM_THREAD_INFO_H +#define _ASM_SIM_THREAD_INFO_H + +#define TIF_NEED_RESCHED 1 +#define TIF_SIGPENDING 2 +#define TIF_MEMDIE 5 + +struct thread_info { + __u32 flags; + int preempt_count; + struct task_struct *task; + struct restart_block restart_block; +}; + +struct thread_info *current_thread_info(void); +struct thread_info *alloc_thread_info(struct task_struct *task); +void free_thread_info(struct thread_info *ti); + +#define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal() */ +#define HAVE_SET_RESTORE_SIGMASK 1 +static inline void set_restore_sigmask(void) +{ +} +static inline void clear_restore_sigmask(void) +{ +} +static inline bool test_restore_sigmask(void) +{ + return true; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + return true; +} + +#endif /* _ASM_SIM_THREAD_INFO_H */ diff --git a/arch/lib/include/asm/uaccess.h b/arch/lib/include/asm/uaccess.h new file mode 100644 index 0000000..74f973b --- /dev/null +++ b/arch/lib/include/asm/uaccess.h @@ -0,0 +1,14 @@ +#ifndef _ASM_SIM_UACCESS_H +#define _ASM_SIM_UACCESS_H + +#define KERNEL_DS ((mm_segment_t) {0 }) +#define USER_DS ((mm_segment_t) {0 }) +#define get_fs() KERNEL_DS +#define get_ds() USER_DS +#define set_fs(x) do {} while ((x.seg) != (x.seg)) + +#define __access_ok(addr, size) (1) + +#include + +#endif /* _ASM_SIM_UACCESS_H */ diff --git a/arch/lib/include/asm/unistd.h b/arch/lib/include/asm/unistd.h new file mode 100644 index 0000000..6b482b4 --- /dev/null +++ b/arch/lib/include/asm/unistd.h @@ -0,0 +1,4 @@ +#ifndef _ASM_SIM_UNISTD_H +#define _ASM_SIM_UNISTD_H + +#endif /* _ASM_SIM_UNISTD_H */ diff --git a/arch/lib/include/uapi/asm/byteorder.h b/arch/lib/include/uapi/asm/byteorder.h new file mode 100644 index 0000000..b13a7a8 --- /dev/null +++ b/arch/lib/include/uapi/asm/byteorder.h @@ -0,0 +1,6 @@ +#ifndef _ASM_X86_BYTEORDER_H +#define _ASM_X86_BYTEORDER_H + +#include + +#endif /* _ASM_X86_BYTEORDER_H */ -- 2.1.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. 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