/* * Assembly support routines for Xen/ia64 * * Copyright (C) 2004 Hewlett-Packard Co * Dan Magenheimer * * Copyright (C) 2007 VA Linux Systems Japan K.K. * Isaku Yamahata * ia64_copy_rbs() */ #include #include #include #include #include #include #include #include // Change rr7 to the passed value while ensuring // Xen is mapped into the new region. #define PSR_BITS_TO_CLEAR \ (IA64_PSR_I | IA64_PSR_IT | IA64_PSR_DT | IA64_PSR_RT | \ IA64_PSR_DD | IA64_PSR_SS | IA64_PSR_RI | IA64_PSR_ED | \ IA64_PSR_DFL | IA64_PSR_DFH | IA64_PSR_IC) // FIXME? Note that this turns off the DB bit (debug) #define PSR_BITS_TO_SET IA64_PSR_BN //extern void ia64_new_rr7(unsigned long rid, /* in0 */ // void *shared_info, /* in1 */ // void *shared_arch_info, /* in2 */ // unsigned long shared_info_va, /* in3 */ // unsigned long va_vhpt) /* in4 */ //Local usage: // loc0=rp, loc1=ar.pfs, loc2=percpu_paddr, loc3=psr, loc4=ar.rse // loc5=shared_archinfo_paddr, loc6=xen_paddr, // r16, r19, r20 are used by ia64_switch_mode_{phys, virt}() // loc5 is unused. GLOBAL_ENTRY(ia64_new_rr7) // FIXME? not sure this unwind statement is correct... .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(1) alloc loc1 = ar.pfs, 5, 7, 0, 0 movl loc2=PERCPU_ADDR 1: { mov loc3 = psr // save psr mov loc0 = rp // save rp mov r8 = ip // save ip to compute branch };; .body tpa loc2=loc2 // grab this BEFORE changing rr7 tpa in1=in1 // grab shared_info BEFORE changing rr7 adds r8 = 1f-1b,r8 // calculate return address for call ;; tpa loc5=in2 // grab arch_vcpu_info BEFORE chg rr7 movl r17=PSR_BITS_TO_SET mov loc4=ar.rsc // save RSE configuration movl r16=PSR_BITS_TO_CLEAR ;; tpa r8=r8 // convert rp to physical mov ar.rsc=0 // put RSE in enforced lazy, LE mode or loc3=loc3,r17 // add in psr the bits to set ;; andcm r16=loc3,r16 // removes bits to clear from psr dep loc6=0,r8,0,KERNEL_TR_PAGE_SHIFT // Xen code paddr br.call.sptk.many rp=ia64_switch_mode_phys 1: // now in physical mode with psr.i/ic off so do rr7 switch dep r16=-1,r0,61,3 // Note: belong to region 7! ;; mov rr[r16]=in0 ;; srlz.d ;; movl r26=PAGE_KERNEL ;; // re-pin mappings for kernel text and data mov r24=KERNEL_TR_PAGE_SHIFT<<2 movl r17=KERNEL_START ;; ptr.i r17,r24 ptr.d r17,r24 mov r16=IA64_TR_KERNEL mov cr.itir=r24 mov cr.ifa=r17 or r18=loc6,r26 ;; itr.i itr[r16]=r18 ;; itr.d dtr[r16]=r18 ;; // re-pin mappings for stack (current) mov r25=IA64_GRANULE_SHIFT<<2 dep r21=0,r13,60,4 // physical address of "current" ;; ptr.d r13,r25 or r23=r21,r26 // construct PA | page properties mov cr.itir=r25 mov cr.ifa=r13 // VA of next task... mov r21=IA64_TR_CURRENT_STACK ;; itr.d dtr[r21]=r23 // wire in new mapping... // Per-cpu mov r24=PERCPU_PAGE_SHIFT<<2 movl r22=PERCPU_ADDR ;; ptr.d r22,r24 or r23=loc2,r26 // construct PA | page properties mov cr.itir=r24 mov cr.ifa=r22 mov r25=IA64_TR_PERCPU_DATA ;; itr.d dtr[r25]=r23 // wire in new mapping... // VHPT #if VHPT_ENABLED #if IA64_GRANULE_SHIFT < VHPT_SIZE_LOG2 #error "it must be that VHPT_SIZE_LOG2 <= IA64_GRANULE_SHIFT" #endif // unless overlaps with IA64_TR_CURRENT_STACK dep r15=0,in4,0,IA64_GRANULE_SHIFT dep r21=0,r13,0,IA64_GRANULE_SHIFT ;; cmp.eq p8,p0=r15,r21 (p8) br.cond.sptk .vhpt_overlaps mov r21=IA64_TR_VHPT dep r22=0,r15,60,4 // physical address of // va_vhpt & ~(IA64_GRANULE_SIZE - 1) mov r24=IA64_GRANULE_SHIFT<<2 ;; ptr.d r15,r24 or r23=r22,r26 // construct PA | page properties mov cr.itir=r24 mov cr.ifa=r15 srlz.d ;; itr.d dtr[r21]=r23 // wire in new mapping... .vhpt_overlaps: #endif // Shared info mov r24=XSI_SHIFT<<2 movl r25=__pgprot(__DIRTY_BITS | _PAGE_PL_PRIV | _PAGE_AR_RW) ;; ptr.d in3,r24 or r23=in1,r25 // construct PA | page properties mov cr.itir=r24 mov cr.ifa=in3 mov r21=IA64_TR_SHARED_INFO ;; itr.d dtr[r21]=r23 // wire in new mapping... // Map mapped_regs mov r22=XMAPPEDREGS_OFS mov r24=XMAPPEDREGS_SHIFT<<2 ;; add r22=r22,in3 ;; ptr.d r22,r24 or r23=loc5,r25 // construct PA | page properties mov cr.itir=r24 mov cr.ifa=r22 mov r21=IA64_TR_MAPPED_REGS ;; itr.d dtr[r21]=r23 // wire in new mapping... // done, switch back to virtual and return mov r16=loc3 // r16= original psr br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode mov psr.l = loc3 // restore init PSR mov ar.pfs = loc1 mov rp = loc0 ;; mov ar.rsc=loc4 // restore RSE configuration srlz.d // seralize restoration of psr.l br.ret.sptk.many rp END(ia64_new_rr7) /* ia64_new_rr7_efi: * in0 = rid * in1 = repin_percpu * in2 = VPD vaddr * * There seems to be no need to repin: palcode, mapped_regs * or vhpt. If they do need to be repinned then special care * needs to betaken to track the correct value to repin. * That is generally the values that were most recently pinned by * ia64_new_rr7. * * This code function could probably be merged with ia64_new_rr7 * as it is just a trimmed down version of that function. * However, current can change without repinning occuring, * so simply getting the values from current does not work correctly. */ GLOBAL_ENTRY(ia64_new_rr7_efi) // FIXME? not sure this unwind statement is correct... .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(1) alloc loc1 = ar.pfs, 3, 7, 0, 0 movl loc2=PERCPU_ADDR 1: { mov loc3 = psr // save psr mov loc0 = rp // save rp mov r8 = ip // save ip to compute branch };; .body tpa loc2=loc2 // grab this BEFORE changing rr7 adds r8 = 1f-1b,r8 // calculate return address for call ;; movl r17=PSR_BITS_TO_SET mov loc4=ar.rsc // save RSE configuration movl r16=PSR_BITS_TO_CLEAR ;; tpa r8=r8

#
# Copyright (C) 2006-2010 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:=grub
PKG_VERSION:=0.97
PKG_RELEASE:=3

PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=ftp://alpha.gnu.org/gnu/grub
PKG_MD5SUM:=cd3f3eb54446be6003156158d51f4884

PKG_BUILD_DEPENDS:= grub/host
PKG_INSTALL:=1

include $(INCLUDE_DIR)/host-build.mk
include $(INCLUDE_DIR)/package.mk

define Package/grub
  SUBMENU:=Boot Loaders
  CATEGORY:=Utilities
  SECTION:=utils
  TITLE:=GRand Unified Bootloader
  URL:=http://www.gnu.org/software/grub/
  DEPENDS:=@TARGET_x86
endef


MY_CONFIGURE_ARGS += \
	--disable-auto-linux-mem-opt \
	--disable-hercules \
	--without-curses \

MY_CONFIGURE_VARS += \
	grub_cv_prog_objcopy_absolute=yes \

CONFIGURE_ARGS += $(MY_CONFIGURE_ARGS)

CONFIGURE_VARS += $(MY_CONFIGURE_VARS)

HOST_CFLAGS += $(call host-cc-option,-fno-stack-protector)
HOST_CFLAGS += $(call host-cc-option,-U_FORTIFY_SOURCE)

HOST_CONFIGURE_ARGS += $(MY_CONFIGURE_ARGS) \
	--sbindir="$(STAGING_DIR_HOST)/bin" \
	--disable-graphics \

HOST_CONFIGURE_VARS += $(MY_CONFIGURE_VARS)

define Build/InstallDev
	$(INSTALL_DIR) $(1)/usr/lib
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/grub $(1)/usr/lib/
endef

define Package/grub/install
	$(INSTALL_DIR) $(1)/usr/bin
	$(CP) $(PKG_INSTALL_DIR)/usr/bin/* $(1)/usr/bin/
	$(INSTALL_DIR) $(1)/usr/lib
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/* $(1)/usr/lib/
	$(INSTALL_DIR) $(1)/usr/sbin
	$(CP) $(PKG_INSTALL_DIR)/usr/sbin/* $(1)/usr/sbin/
endef

$(eval $(call HostBuild))
$(eval $(call BuildPackage,grub))