# # Copyright (C) 2006 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # ifeq ($(__target_inc),) include $(INCLUDE_DIR)/target.mk endif ifeq ($(DUMP),1) KERNEL?= BOARD?= LINUX_VERSION?= else export GCC_HONOUR_COPTS=s ifeq ($(KERNEL),2.6) LINUX_KMOD_SUFFIX=ko else LINUX_KMOD_SUFFIX=o endif ifneq (,$(findstring uml,$(BOARD))) KERNEL_CC?=$(HOSTCC) KERNEL_CROSS?= else KERNEL_CC?=$(TARGET_CC) KERNEL_CROSS?=$(TARGET_CROSS) endif PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER)) FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)") KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION) TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR) LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2 TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,) ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE)),) LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING) endif ifneq ($(TARGET_BUILD),1) PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION)) endif endif ifneq (,$(findstring uml,$(BOARD))) LINUX_KARCH=um else ifeq (,$(LINUX_KARCH)) LINUX_KARCH=$(strip $(subst i386,x86,$(subst armeb,arm,$(subst mipsel,mips,$(subst mips64,mips,$(subst mips64el,mips,$(subst sh2,sh,$(subst sh3,sh,$(subst sh4,sh,$(ARCH)))))))))) endif endif define KernelPackage/Defaults FILES:= AUTOLOAD:= endef define ModuleAutoLoad export modules=; \ add_module() { \ mkdir -p $(2)/etc/modules.d; \ ( \ [ "$$$$$$$$3" = "1" ] && { \ echo '# May be required for rootfs' ; \ } ; \ for mod in $$$$$$$$2; do \ getvar mod; \ done \ ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \ modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \ }; \ $(3) \ if [ -n "$$$$$$$$modules" ]; then \ mkdir -p $(2)/etc/modules.d; \ mkdir -p $(2)/CONTROL; \ echo "#!/bin/sh" > $(2)/CONTROL/postinst; \ echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \ echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \ echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \ chmod 0755 $(2)/CONTROL/postinst; \ fi endef ifeq ($(DUMP)$(TARGET_BUILD),) -include $(LINUX_DIR)/.config endif define KernelPackage/depends $(STAMP_BUILT): $(LINUX_DIR)/.config define KernelPackage/depends endef endef define KernelPackage NAME:=$(1) $(eval $(call Package/Default)) $(eval $(call KernelPackage/Defaults)) $(eval $(call KernelPackage/$(1))) $(eval $(call KernelPackage/$(1)/$(KERNEL))) $(eval $(call KernelPackage/$(1)/$(BOARD))) define Package/kmod-$(1) TITLE:=$(TITLE) SECTION:=kernel CATEGORY:=Kernel modules DESCRIPTION:=$(DESCRIPTION) EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)) VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE)) $(call KernelPackage/$(1)) $(call KernelPackage/$(1)/$(KERNEL)) $(call KernelPackage/$(1)/$(BOARD)) endef ifdef KernelPackage/$(1)/description define Package/kmod-$(1)/description $(call KernelPackage/$(1)/description) endef endif ifdef KernelPackage/$(1)/config define Package/kmod-$(1)/config $(call KernelPackage/$(1)/config) endef endif $(call KernelPackage/depends) ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),) ifneq ($(strip $(FILES)),) define Package/kmod-$(1)/install mkdir -p $$(1)/lib/modules/$(LINUX_VERSION) $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/ $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD)) $(call KernelPackage/$(1)/install,$$(1)) endef endif $(if $(CONFIG_PACKAGE_kmod-$(1)), else compile: kmod-$(1)-unavailable kmod-$(1)-unavailable: @echo "WARNING: kmod-$(1) is not available in the kernel config" ) endif $$(eval $$(call BuildPackage,kmod-$(1))) $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES)) endef define AutoLoad add_module $(1) "$(2)" $(3); endef ifdef DUMP CompareKernelPatchVer=0 else define CompareKernelPatchVer $(shell [ $$(echo $(1) | tr . 0) -$(2) $$(echo $(3) | tr . 0) ] && echo 1 || echo 0) endef endif ='#n30'>30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267
/*
 * Initialize VHPT support.
 *
 * Copyright (C) 2004 Hewlett-Packard Co
 *	Dan Magenheimer <dan.magenheimer@hp.com>
 */
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>

#include <asm/processor.h>
#include <asm/system.h>
#include <asm/pgalloc.h>
#include <asm/page.h>
#include <asm/vhpt.h>
#include <asm/vcpu.h>

/* Defined in tlb.c  */
extern void ia64_global_tlb_purge(UINT64 start, UINT64 end, UINT64 nbits);

extern long running_on_sim;

DEFINE_PER_CPU (unsigned long, vhpt_paddr);
DEFINE_PER_CPU (unsigned long, vhpt_pend);

static void vhpt_flush(void)
{
	struct vhpt_lf_entry *v = __va(__ia64_per_cpu_var(vhpt_paddr));
	int i;

	for (i = 0; i < VHPT_NUM_ENTRIES; i++, v++)