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arm64: Build infrastructure This patch adds Makefile and Kconfig files required for building an AArch64 kernel. 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>
2012-04-20 21:45:54 +08:00
#
# Makefile for the linux kernel.
#
CPPFLAGS_vmlinux.lds := -DTEXT_OFFSET=$(TEXT_OFFSET)
AFLAGS_head.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
efi: efistub: Convert into static library This patch changes both x86 and arm64 efistub implementations from #including shared .c files under drivers/firmware/efi to building shared code as a static library. The x86 code uses a stub built into the boot executable which uncompresses the kernel at boot time. In this case, the library is linked into the decompressor. In the arm64 case, the stub is part of the kernel proper so the library is linked into the kernel proper as well. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2014-07-02 20:54:43 +08:00
CFLAGS_efi-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
arm64: Trace emulation of AArch32 legacy instructions Introduce an event to trace the usage of emulated instructions. The trace event is intended to help identify and encourage the migration of legacy software using the emulation features. Use this event to trace usage of swp and CP15 barrier emulation. Acked-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Punit Agrawal <punit.agrawal@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-11-18 19:41:27 +08:00
CFLAGS_armv8_deprecated.o := -I$(src)
arm64: Build infrastructure This patch adds Makefile and Kconfig files required for building an AArch64 kernel. 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>
2012-04-20 21:45:54 +08:00
arm64: Add ftrace support This patch implements arm64 specific part to support function tracers, such as function (CONFIG_FUNCTION_TRACER), function_graph (CONFIG_FUNCTION_GRAPH_TRACER) and function profiler (CONFIG_FUNCTION_PROFILER). With 'function' tracer, all the functions in the kernel are traced with timestamps in ${sysfs}/tracing/trace. If function_graph tracer is specified, call graph is generated. The kernel must be compiled with -pg option so that _mcount() is inserted at the beginning of functions. This function is called on every function's entry as long as tracing is enabled. In addition, function_graph tracer also needs to be able to probe function's exit. ftrace_graph_caller() & return_to_handler do this by faking link register's value to intercept function's return path. More details on architecture specific requirements are described in Documentation/trace/ftrace-design.txt. Reviewed-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@cavium.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-04-30 17:54:33 +08:00
CFLAGS_REMOVE_ftrace.o = -pg
CFLAGS_REMOVE_insn.o = -pg
arm64: ftrace: Add CALLER_ADDRx macros CALLER_ADDRx returns caller's address at specified level in call stacks. They are used for several tracers like irqsoff and preemptoff. Strange to say, however, they are refered even without FTRACE. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-04-30 17:54:35 +08:00
CFLAGS_REMOVE_return_address.o = -pg
arm64: Add ftrace support This patch implements arm64 specific part to support function tracers, such as function (CONFIG_FUNCTION_TRACER), function_graph (CONFIG_FUNCTION_GRAPH_TRACER) and function profiler (CONFIG_FUNCTION_PROFILER). With 'function' tracer, all the functions in the kernel are traced with timestamps in ${sysfs}/tracing/trace. If function_graph tracer is specified, call graph is generated. The kernel must be compiled with -pg option so that _mcount() is inserted at the beginning of functions. This function is called on every function's entry as long as tracing is enabled. In addition, function_graph tracer also needs to be able to probe function's exit. ftrace_graph_caller() & return_to_handler do this by faking link register's value to intercept function's return path. More details on architecture specific requirements are described in Documentation/trace/ftrace-design.txt. Reviewed-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@cavium.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-04-30 17:54:33 +08:00
arm64: Build infrastructure This patch adds Makefile and Kconfig files required for building an AArch64 kernel. 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>
2012-04-20 21:45:54 +08:00
# Object file lists.
arm64-obj-y := cputable.o debug-monitors.o entry.o irq.o fpsimd.o \
entry-fpsimd.o process.o ptrace.o setup.o signal.o \
arm64: add hypervisor stub If booted in EL2, install an dummy hypervisor whose only purpose is to be replaced by a full fledged one. A minimal API allows to: - obtain the current HYP vectors (__hyp_get_vectors) - set new HYP vectors (__hyp_set_vectors) Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-10-20 00:46:27 +08:00
sys.o stacktrace.o time.o traps.o io.o vdso.o \
arm64: cpuinfo: record cpu system register values Several kernel subsystems need to know details about CPU system register values, sometimes for CPUs other than that they are executing on. Rather than hard-coding system register accesses and cross-calls for these cases, this patch adds logic to record various system register values at boot-time. This may be used for feature reporting, firmware bug detection, etc. Separate hooks are added for the boot and hotplug paths to enable one-time intialisation and cold/warm boot value mismatch detection in later patches. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Will Deacon <will.deacon@arm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-07-16 23:32:44 +08:00
hyp-stub.o psci.o cpu_ops.o insn.o return_address.o \
arm64: kernel: add support for cpu cache information This patch adds support for cacheinfo on ARM64. On ARMv8, the cache hierarchy can be identified through Cache Level ID (CLIDR) register while the cache geometry is provided by Cache Size ID (CCSIDR) register. Since the architecture doesn't provide any way of detecting the cpus sharing particular cache, device tree is used for the same purpose. Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-01-08 18:42:34 +08:00
cpuinfo.o cpu_errata.o alternative.o cacheinfo.o
arm64: Build infrastructure This patch adds Makefile and Kconfig files required for building an AArch64 kernel. 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>
2012-04-20 21:45:54 +08:00
arm64-obj-$(CONFIG_COMPAT) += sys32.o kuser32.o signal32.o \
arm64: Implement the compat_sys_call_table in C Unlike the sys_call_table[], the compat one was implemented in sys32.S making it impossible to notice discrepancies between the number of compat syscalls and the __NR_compat_syscalls macro, the latter having to be defined in asm/unistd.h as including asm/unistd32.h would cause conflicts on __NR_* definitions. With this patch, incorrect __NR_compat_syscalls values will result in a build-time error. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Suggested-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com>
2015-01-07 00:42:32 +08:00
sys_compat.o entry32.o \
arm64: Add AArch32 instruction set condition code checks Port support for AArch32 instruction condition code checking from arm to arm64. Signed-off-by: Punit Agrawal <punit.agrawal@arm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-11-18 19:41:23 +08:00
../../arm/kernel/opcodes.o
arm64: Add ftrace support This patch implements arm64 specific part to support function tracers, such as function (CONFIG_FUNCTION_TRACER), function_graph (CONFIG_FUNCTION_GRAPH_TRACER) and function profiler (CONFIG_FUNCTION_PROFILER). With 'function' tracer, all the functions in the kernel are traced with timestamps in ${sysfs}/tracing/trace. If function_graph tracer is specified, call graph is generated. The kernel must be compiled with -pg option so that _mcount() is inserted at the beginning of functions. This function is called on every function's entry as long as tracing is enabled. In addition, function_graph tracer also needs to be able to probe function's exit. ftrace_graph_caller() & return_to_handler do this by faking link register's value to intercept function's return path. More details on architecture specific requirements are described in Documentation/trace/ftrace-design.txt. Reviewed-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@cavium.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-04-30 17:54:33 +08:00
arm64-obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o entry-ftrace.o
arm64: Build infrastructure This patch adds Makefile and Kconfig files required for building an AArch64 kernel. 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>
2012-04-20 21:45:54 +08:00
arm64-obj-$(CONFIG_MODULES) += arm64ksyms.o module.o
arm64: topology: Implement basic CPU topology support Add basic CPU topology support to arm64, based on the existing pre-v8 code and some work done by Mark Hambleton. This patch does not implement any topology discovery support since that should be based on information from firmware, it merely implements the scaffolding for integration of topology support in the architecture. No locking of the topology data is done since it is only modified during CPU bringup with external serialisation from the SMP code. The goal is to separate the architecture hookup for providing topology information from the DT parsing in order to ease review and avoid blocking the architecture code (which will be built on by other work) with the DT code review by providing something simple and basic. Following patches will implement support for interpreting topology information from MPIDR and for parsing the DT topology bindings for ARM, similar patches will be needed for ACPI. Signed-off-by: Mark Brown <broonie@linaro.org> Acked-by: Mark Rutland <mark.rutland@arm.com> [catalin.marinas@arm.com: removed CONFIG_CPU_TOPOLOGY, always on if SMP] Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-03-04 15:51:17 +08:00
arm64-obj-$(CONFIG_SMP) += smp.o smp_spin_table.o topology.o
ARM64: perf: add support for perf registers API This patch implements the functions required for the perf registers API, allowing the perf tool to interface kernel register dumps with libunwind in order to provide userspace backtracing. Compat mode is also supported. Only the general purpose user space registers are exported, i.e.: PERF_REG_ARM_X0, ... PERF_REG_ARM_X28, PERF_REG_ARM_FP, PERF_REG_ARM_LR, PERF_REG_ARM_SP, PERF_REG_ARM_PC and not the PERF_REG_ARM_V* registers. Signed-off-by: Jean Pihet <jean.pihet@linaro.org> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-02-04 02:18:27 +08:00
arm64-obj-$(CONFIG_PERF_EVENTS) += perf_regs.o
arm64: Build infrastructure This patch adds Makefile and Kconfig files required for building an AArch64 kernel. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-04-20 21:45:54 +08:00
arm64-obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o
ARM64: perf: add support for perf registers API This patch implements the functions required for the perf registers API, allowing the perf tool to interface kernel register dumps with libunwind in order to provide userspace backtracing. Compat mode is also supported. Only the general purpose user space registers are exported, i.e.: PERF_REG_ARM_X0, ... PERF_REG_ARM_X28, PERF_REG_ARM_FP, PERF_REG_ARM_LR, PERF_REG_ARM_SP, PERF_REG_ARM_PC and not the PERF_REG_ARM_V* registers. Signed-off-by: Jean Pihet <jean.pihet@linaro.org> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-02-04 02:18:27 +08:00
arm64-obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
arm64: kernel: add PM build infrastructure This patch adds the required makefile and kconfig entries to enable PM for arm64 systems. The kernel relies on the cpu_{suspend}/{resume} infrastructure to properly save the context for a CPU and put it to sleep, hence this patch adds the config option required to enable cpu_{suspend}/{resume} API. In order to rely on the CPU PM implementation for saving and restoring of CPU subsystems like GIC and PMU, the arch Kconfig must be also augmented to select the CONFIG_CPU_PM option when SUSPEND or CPU_IDLE kernel implementations are selected. Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
2013-11-08 02:37:14 +08:00
arm64-obj-$(CONFIG_ARM64_CPU_SUSPEND) += sleep.o suspend.o
arm64: kernel: introduce cpu_init_idle CPU operation The CPUidle subsystem on ARM64 machines requires the idle states implementation back-end to initialize idle states parameter upon boot. This patch adds a hook in the CPU operations structure that should be initialized by the CPU operations back-end in order to provide a function that initializes cpu idle states. This patch also adds the infrastructure to arm64 kernel required to export the CPU operations based initialization interface, so that drivers (ie CPUidle) can use it when they are initialized at probe time. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-07-17 17:30:07 +08:00
arm64-obj-$(CONFIG_CPU_IDLE) += cpuidle.o
arm64, jump label: optimize jump label implementation Optimize jump label implementation for ARM64 by dynamically patching kernel text. Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Jiang Liu <liuj97@gmail.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-01-07 22:17:13 +08:00
arm64-obj-$(CONFIG_JUMP_LABEL) += jump_label.o
arm64: KGDB: Add Basic KGDB support Add KGDB debug support for kernel debugging. With this patch, basic KGDB debugging is possible.GDB register layout is updated and GDB tool can establish connection with target and can set/clear breakpoints. Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com> Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-01-28 19:20:18 +08:00
arm64-obj-$(CONFIG_KGDB) += kgdb.o
arm64: efi: add EFI stub This patch adds PE/COFF header fields to the start of the kernel Image so that it appears as an EFI application to UEFI firmware. An EFI stub is included to allow direct booting of the kernel Image. Signed-off-by: Mark Salter <msalter@redhat.com> [Add support in PE/COFF header for signed images] Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2014-04-16 10:47:52 +08:00
arm64-obj-$(CONFIG_EFI) += efi.o efi-stub.o efi-entry.o
arm64: Add architectural support for PCI Use the generic PCI domain and OF functions to provide support for PCI on arm64. [bhelgaas: Change comments to use generic PCI, not just PCIe. Nothing at this level is PCIe-specific.] Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
2014-09-29 22:29:31 +08:00
arm64-obj-$(CONFIG_PCI) += pci.o
arm64: Add framework for legacy instruction emulation Typically, providing support for legacy instructions requires emulating the behaviour of instructions whose encodings have become undefined. If the instructions haven't been removed from the architecture, there maybe an option in the implementation to turn on/off the support for these instructions. Create common infrastructure to support legacy instruction emulation. In addition to emulation, also provide an option to support hardware execution when supported. The default execution mode (one of undef, emulate, hw exeuction) is dependent on the state of the instruction (deprecated or obsolete) in the architecture and can specified at the time of registering the instruction handlers. The runtime state of the emulation can be controlled by writing to individual nodes in sysctl. The expected default behaviour is documented as part of this patch. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Punit Agrawal <punit.agrawal@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-11-18 19:41:24 +08:00
arm64-obj-$(CONFIG_ARMV8_DEPRECATED) += armv8_deprecated.o
arm64: Build infrastructure This patch adds Makefile and Kconfig files required for building an AArch64 kernel. 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>
2012-04-20 21:45:54 +08:00
obj-y += $(arm64-obj-y) vdso/
obj-m += $(arm64-obj-m)
head-y := head.o
extra-y := $(head-y) vmlinux.lds
# vDSO - this must be built first to generate the symbol offsets
$(call objectify,$(arm64-obj-y)): $(obj)/vdso/vdso-offsets.h
$(obj)/vdso/vdso-offsets.h: $(obj)/vdso