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Message-Id: <1344966752-16102-1-git-send-email-catalin.marinas@arm.com> Date: Tue, 14 Aug 2012 18:52:01 +0100 From: Catalin Marinas <catalin.marinas@....com> To: linux-arch@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Cc: linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de> Subject: [PATCH v2 00/31] AArch64 Linux kernel port This is the 2nd version of the set of patches implementing Linux kernel support for the 64-bit ARM architecture (AArch64). Thanks to all who provided feedback on the previous version. The Linux kernel patches are available on this tree: git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64.git upstream The "master" branch in the above repository tracks the development history. Main changes from the previous version (for the full log see the "master" branch above): - Kernel port directory and related functions renamed to "arm64". "uname -m" reports "aarch64" as per the official name. - NO_BOOTMEM enabled. - "mem=" is now used for limiting the amount of memory rather than specifying the memory banks (already done via FDT). - struct mem_type removed as static definitions are enough for ioremap(). - Support for ZONE_DMA32. - Replaced "user_debug" with "/proc/sys/debug/exception-trace". - Added a generic defconfig file. - More clean-up (comments, code) and bug-fixes. The generic patches were dropped from this series as they have been pushed separately (and most of them already merged into mainline). Background to the 64-bit ARM architecture: ARM introduced AArch64 as part of the ARMv8 architecture and consists of a substantially revised exception model (with 4 exception levels: EL0 - user, EL1 - kernel, EL2 - hypervisor, EL3 - secure monitor), new A64 instruction set based on larger register file, new FP/SIMD instructions. The new ABI is LP64 and takes advantage of the larger register file. It also mandates FP. AArch64 documentation currently available (publicly, though click-through agreement required): - Instruction Set Overview: http://infocenter.arm.com/help/topic/com.arm.doc.genc010197a/index.html - ABI (PCS, ELF, DWARF, C++): http://infocenter.arm.com/help/topic/com.arm.doc.ihi0059a/index.html Regards, Catalin Catalin Marinas (23): arm64: Assembly macros and definitions arm64: Kernel booting and initialisation arm64: Exception handling arm64: MMU definitions arm64: MMU initialisation arm64: MMU fault handling and page table management arm64: Process management arm64: CPU support arm64: Cache maintenance routines arm64: TLB maintenance functionality arm64: Atomic operations arm64: Device specific operations arm64: DMA mapping API arm64: SMP support arm64: ELF definitions arm64: System calls handling arm64: Signal handling support arm64: User access library functions arm64: Floating point and SIMD arm64: Add support for /proc/sys/debug/exception-trace arm64: Miscellaneous header files arm64: Build infrastructure arm64: MAINTAINERS update Marc Zyngier (3): arm64: IRQ handling arm64: Miscellaneous library functions arm64: Generic timers support Will Deacon (5): arm64: VDSO support arm64: 32-bit (compat) applications support arm64: Debugging support arm64: Performance counters support arm64: Loadable modules Documentation/arm64/booting.txt | 141 +++ Documentation/arm64/memory.txt | 69 ++ MAINTAINERS | 6 + arch/arm64/Kconfig | 261 +++++ arch/arm64/Kconfig.debug | 27 + arch/arm64/Makefile | 71 ++ arch/arm64/boot/.gitignore | 2 + arch/arm64/boot/Makefile | 38 + arch/arm64/boot/install.sh | 52 + arch/arm64/configs/generic_defconfig | 85 ++ arch/arm64/include/asm/Kbuild | 51 + arch/arm64/include/asm/asm-offsets.h | 1 + arch/arm64/include/asm/assembler.h | 109 ++ arch/arm64/include/asm/atomic.h | 306 ++++++ arch/arm64/include/asm/auxvec.h | 22 + arch/arm64/include/asm/barrier.h | 52 + arch/arm64/include/asm/bitops.h | 74 ++ arch/arm64/include/asm/bitsperlong.h | 23 + arch/arm64/include/asm/byteorder.h | 21 + arch/arm64/include/asm/cache.h | 32 + arch/arm64/include/asm/cacheflush.h | 209 ++++ arch/arm64/include/asm/cachetype.h | 48 + arch/arm64/include/asm/cmpxchg.h | 180 ++++ arch/arm64/include/asm/compat.h | 232 +++++ arch/arm64/include/asm/compiler.h | 30 + arch/arm64/include/asm/cputype.h | 49 + arch/arm64/include/asm/debug-monitors.h | 88 ++ arch/arm64/include/asm/device.h | 26 + arch/arm64/include/asm/dma-mapping.h | 124 +++ arch/arm64/include/asm/elf.h | 176 ++++ arch/arm64/include/asm/exception.h | 23 + arch/arm64/include/asm/exec.h | 23 + arch/arm64/include/asm/fb.h | 34 + arch/arm64/include/asm/fcntl.h | 29 + arch/arm64/include/asm/fpsimd.h | 64 ++ arch/arm64/include/asm/futex.h | 134 +++ arch/arm64/include/asm/hardirq.h | 52 + arch/arm64/include/asm/hw_breakpoint.h | 137 +++ arch/arm64/include/asm/hwcap.h | 57 + arch/arm64/include/asm/io.h | 263 +++++ arch/arm64/include/asm/irq.h | 8 + arch/arm64/include/asm/irqflags.h | 91 ++ arch/arm64/include/asm/memblock.h | 21 + arch/arm64/include/asm/memory.h | 144 +++ arch/arm64/include/asm/mmu.h | 27 + arch/arm64/include/asm/mmu_context.h | 152 +++ arch/arm64/include/asm/module.h | 23 + arch/arm64/include/asm/page.h | 67 ++ arch/arm64/include/asm/param.h | 23 + arch/arm64/include/asm/perf_event.h | 22 + arch/arm64/include/asm/pgalloc.h | 113 ++ arch/arm64/include/asm/pgtable-2level-hwdef.h | 43 + arch/arm64/include/asm/pgtable-2level-types.h | 60 ++ arch/arm64/include/asm/pgtable-3level-hwdef.h | 50 + arch/arm64/include/asm/pgtable-3level-types.h | 66 ++ arch/arm64/include/asm/pgtable-hwdef.h | 94 ++ arch/arm64/include/asm/pgtable.h | 328 ++++++ arch/arm64/include/asm/pmu.h | 82 ++ arch/arm64/include/asm/proc-fns.h | 51 + arch/arm64/include/asm/processor.h | 174 ++++ arch/arm64/include/asm/procinfo.h | 44 + arch/arm64/include/asm/prom.h | 1 + arch/arm64/include/asm/ptrace.h | 206 ++++ arch/arm64/include/asm/setup.h | 26 + arch/arm64/include/asm/shmparam.h | 28 + arch/arm64/include/asm/sigcontext.h | 69 ++ arch/arm64/include/asm/siginfo.h | 23 + arch/arm64/include/asm/signal.h | 24 + arch/arm64/include/asm/signal32.h | 54 + arch/arm64/include/asm/smp.h | 69 ++ arch/arm64/include/asm/sparsemem.h | 24 + arch/arm64/include/asm/spinlock.h | 199 ++++ arch/arm64/include/asm/spinlock_types.h | 38 + arch/arm64/include/asm/stacktrace.h | 29 + arch/arm64/include/asm/stat.h | 63 ++ arch/arm64/include/asm/statfs.h | 23 + arch/arm64/include/asm/syscall.h | 101 ++ arch/arm64/include/asm/syscalls.h | 40 + arch/arm64/include/asm/system_misc.h | 54 + arch/arm64/include/asm/thread_info.h | 124 +++ arch/arm64/include/asm/timex.h | 32 + arch/arm64/include/asm/tlb.h | 190 ++++ arch/arm64/include/asm/tlbflush.h | 123 +++ arch/arm64/include/asm/traps.h | 30 + arch/arm64/include/asm/uaccess.h | 377 +++++++ arch/arm64/include/asm/ucontext.h | 30 + arch/arm64/include/asm/unistd.h | 27 + arch/arm64/include/asm/unistd32.h | 758 ++++++++++++++ arch/arm64/include/asm/vdso.h | 41 + arch/arm64/include/asm/vdso_datapage.h | 43 + arch/arm64/kernel/.gitignore | 1 + arch/arm64/kernel/Makefile | 27 + arch/arm64/kernel/arm64ksyms.c | 55 + arch/arm64/kernel/asm-offsets.c | 108 ++ arch/arm64/kernel/debug-monitors.c | 288 ++++++ arch/arm64/kernel/elf.c | 41 + arch/arm64/kernel/entry-fpsimd.S | 80 ++ arch/arm64/kernel/entry.S | 695 +++++++++++++ arch/arm64/kernel/fpsimd.c | 106 ++ arch/arm64/kernel/head.S | 521 ++++++++++ arch/arm64/kernel/hw_breakpoint.c | 880 ++++++++++++++++ arch/arm64/kernel/io.c | 64 ++ arch/arm64/kernel/irq.c | 84 ++ arch/arm64/kernel/kuser32.S | 77 ++ arch/arm64/kernel/module.c | 456 ++++++++ arch/arm64/kernel/perf_event.c | 1368 +++++++++++++++++++++++++ arch/arm64/kernel/process.c | 416 ++++++++ arch/arm64/kernel/ptrace.c | 834 +++++++++++++++ arch/arm64/kernel/setup.c | 357 +++++++ arch/arm64/kernel/signal.c | 436 ++++++++ arch/arm64/kernel/signal32.c | 876 ++++++++++++++++ arch/arm64/kernel/smp.c | 469 +++++++++ arch/arm64/kernel/stacktrace.c | 127 +++ arch/arm64/kernel/sys.c | 138 +++ arch/arm64/kernel/sys32.S | 283 +++++ arch/arm64/kernel/sys_compat.c | 177 ++++ arch/arm64/kernel/time.c | 65 ++ arch/arm64/kernel/traps.c | 357 +++++++ arch/arm64/kernel/vdso.c | 261 +++++ arch/arm64/kernel/vdso/.gitignore | 2 + arch/arm64/kernel/vdso/Makefile | 63 ++ arch/arm64/kernel/vdso/gen_vdso_offsets.sh | 15 + arch/arm64/kernel/vdso/gettimeofday.S | 242 +++++ arch/arm64/kernel/vdso/note.S | 28 + arch/arm64/kernel/vdso/sigreturn.S | 37 + arch/arm64/kernel/vdso/vdso.S | 33 + arch/arm64/kernel/vdso/vdso.lds.S | 100 ++ arch/arm64/kernel/vmlinux.lds.S | 146 +++ arch/arm64/lib/Makefile | 5 + arch/arm64/lib/bitops.c | 25 + arch/arm64/lib/clear_page.S | 39 + arch/arm64/lib/clear_user.S | 58 ++ arch/arm64/lib/copy_from_user.S | 66 ++ arch/arm64/lib/copy_in_user.S | 63 ++ arch/arm64/lib/copy_page.S | 46 + arch/arm64/lib/copy_to_user.S | 61 ++ arch/arm64/lib/delay.c | 55 + arch/arm64/lib/getuser.S | 75 ++ arch/arm64/lib/putuser.S | 73 ++ arch/arm64/lib/strncpy_from_user.S | 50 + arch/arm64/lib/strnlen_user.S | 47 + arch/arm64/mm/Kconfig | 5 + arch/arm64/mm/Makefile | 6 + arch/arm64/mm/cache.S | 279 +++++ arch/arm64/mm/context.c | 159 +++ arch/arm64/mm/copypage.c | 34 + arch/arm64/mm/dma-mapping.c | 208 ++++ arch/arm64/mm/extable.c | 17 + arch/arm64/mm/fault.c | 534 ++++++++++ arch/arm64/mm/flush.c | 132 +++ arch/arm64/mm/init.c | 416 ++++++++ arch/arm64/mm/ioremap.c | 84 ++ arch/arm64/mm/mm.h | 2 + arch/arm64/mm/mmap.c | 144 +++ arch/arm64/mm/mmu.c | 395 +++++++ arch/arm64/mm/pgd.c | 49 + arch/arm64/mm/proc-macros.S | 55 + arch/arm64/mm/proc-syms.c | 31 + arch/arm64/mm/proc.S | 193 ++++ arch/arm64/mm/tlb.S | 71 ++ drivers/clocksource/Kconfig | 5 + drivers/clocksource/Makefile | 1 + drivers/clocksource/arm_generic.c | 309 ++++++ include/clocksource/arm_generic.h | 21 + init/Kconfig | 3 +- kernel/sysctl.c | 2 +- lib/Kconfig.debug | 6 +- tools/perf/perf.h | 6 + 168 files changed, 22089 insertions(+), 4 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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