/* * Copyright (C) 2007 - Dietmar Hahn * **************************************************************************** * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #if !defined(__OS_H__) #define __OS_H__ #if !defined(__ASSEMBLY__) #include #include "ia64_cpu.h" #include "atomic.h" #include "efi.h" #include "sal.h" #include "pal.h" #include #include typedef uint64_t paddr_t; /* Physical address. */ #ifndef HAVE_LIBC typedef uint64_t caddr_t; /* rr7/kernel memory address. */ #endif #include "page.h" #include "mm.h" void arch_init(start_info_t *si); /* in common.c */ void arch_print_info(void); /* in common.c */ void arch_fini(void); /* Size of xen_ia64_boot_param.command_line */ #define COMMAND_LINE_SIZE 512 extern struct xen_ia64_boot_param* ia64_boot_paramP; extern struct xen_ia64_boot_param ia64BootParamG; extern char boot_cmd_line[]; extern efi_system_table_t* efiSysTableP; extern int bootverbose; extern void ia64_probe_sapics(void); /* Contains the needed stuff from efi. */ struct efi { efi_system_table_t* efiSysTableP; efi_set_virtual_address_map_t setVirtAddrMapF; efi_get_time_t getTimeF; efi_reset_system_t resetSystemF; }; struct machine_fw { struct efi efi; uint64_t ia64_port_base; /* physical address */ uint64_t ia64_pal_base; /* virtual rr7 address */ sal_system_table_t* ia64_sal_tableP; sal_entry_t* ia64_sal_entryP; /* SAL_PROC entrypoint */ uint64_t ia64_efi_acpi_table; /* physical address */ uint64_t ia64_efi_acpi20_table; /* physical address */ uint64_t mach_mem_start; /* phys start addr of machine memory */ uint64_t mach_mem_size; /* size of machine memory */ uint64_t kernstart; /* virt address of kern text start */ uint64_t kernend; uint64_t kernpstart; /* phys address of kern text start */ uint64_t kernpend; }; extern struct machine_fw machineFwG; #define ia64_sal_entry machineFwG.ia64_sal_entryP #define smp_processor_id() 0 static inline uint64_t xchg8(uint64_t* ptr, uint64_t x) \ { uint64_t oldVal; asm volatile ("xchg8 %0=[%1],%2" : "=r" (oldVal) : "r" (ptr), "r" (x) : "memory"); return oldVal; } #define xchg xchg8 // Counts the number of 1-bits in x. #if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) # define get_popcnt(x) __builtin_popcountl(x) #else # define get_popcnt(x) \ ({ \ uint64_t num; \ asm ("popcnt %0=%1" : "=r" (num) : "r" (x)); \ num; \ }) #endif /** * __ffs - find first bit in word. * @x: The word to search * * Undefined if no bit exists, so code should check against 0 first. */ static inline unsigned long __ffs (unsigned long x) { unsigned long result; result = get_popcnt((x-1) & ~x); return result; } static inline void synch_clear_bit(int num, volatile void *addr) { clear_bit(num, addr); } static inline void synch_set_bit(int num, volatile void *addr) { set_bit(num, addr); } static inline int synch_test_bit(int nr, const volatile void *addr) { return test_bit(nr, addr); } static inline int synch_test_and_set_bit(int num, volatile void * addr) { return test_and_set_bit(num, addr); } #define synch_cmpxchg(ptr, old, new) \ ((__typeof__(*(ptr)))__synch_cmpxchg((ptr),\ (unsigned long)(old), \ (unsigned long)(new), \ sizeof(*(ptr)))) static inline unsigned long __synch_cmpxchg(volatile void *ptr, uint64_t old, uint64_t new, int size) { switch (size) { case 1: return ia64_cmpxchg_acq_8(ptr, old, new); case 2: return ia64_cmpxchg_acq_16(ptr, old, new); case 4: return ia64_cmpxchg_acq_32(ptr, old, new); case 8: return ia64_cmpxchg_acq_64(ptr, old, new); } return ia64_cmpxchg_acq_64(ptr, old, new); } extern shared_info_t *HYPERVISOR_shared_info; /* * This code is from the originally os.h and should be put in a * common header file! */ /* * The use of 'barrier' in the following reflects their use as local-lock * operations. Reentrancy must be prevented (e.g., __cli()) /before/ following * critical operations are executed. All critical operations must complete * /before/ reentrancy is permitted (e.g., __sti()). Alpha architecture also * includes these barriers, for example. */ #define __cli() \ do { \ vcpu_info_t *_vcpu; \ _vcpu = &HY
#
# Copyright (C) 2008-2010 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk

PKG_NAME:=button-hotplug
PKG_RELEASE:=3
PKG_LICENSE:=GPL-2.0

include $(INCLUDE_DIR)/package.mk

define KernelPackage/button-hotplug
  SUBMENU:=Other modules
  TITLE:=Button Hotplug driver
  DEPENDS:=+kmod-input-core
  FILES:=$(PKG_BUILD_DIR)/button-hotplug.ko
  AUTOLOAD:=$(call AutoLoad,30,button-hotplug,1)
  KCONFIG:=
endef

define KernelPackage/button-hotplug/description
  Kernel module to generate button uevent-s from input subsystem events.
  If your device uses GPIO buttons, see gpio-button-hotplug.
endef

EXTRA_KCONFIG:= \
	CONFIG_BUTTON_HOTPLUG=m

EXTRA_CFLAGS:= \
	$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=m,%,$(filter %=m,$(EXTRA_KCONFIG)))) \
	$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=y,%,$(filter %=y,$(EXTRA_KCONFIG)))) \

MAKE_OPTS:= \
	$(KERNEL_MAKE_FLAGS) \
	M="$(PKG_BUILD_DIR)" \
	EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
	$(EXTRA_KCONFIG)

define Build/Compile
	$(MAKE) -C "$(LINUX_DIR)" \
		$(MAKE_OPTS) \
		modules
endef

$(eval $(call KernelPackage,button-hotplug))
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