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* toolchain: add support of ARC architectureFelix Fietkau2015-11-103-16/+53
* binutils: fix name of Binutils 2.25.1Hauke Mehrtens2015-09-151-1/+1
* binutils: add binutils 2.25.1Hauke Mehrtens2015-09-116-6/+116
* toolchain: binutils: enhance build reproducabilitySteven Barth2015-06-291-0/+1
* toolchain: change default emulation for mips64 (octeon) to n64Felix Fietkau2015-05-101-0/+37
* binutils: remove version 2.20.1 (only used by avr32)Felix Fietkau2015-03-2410-31205/+7
* binutils: remove defunct binutils default version selection for aarch64Felix Fietkau2015-03-241-1/+0
* binutils: run install twice instead of overwriting the final toolchain with t...Felix Fietkau2014-12-271-1/+3
* binutils: enable plugin supportFelix Fietkau2014-12-271-0/+1
* aarch64: add initial supportFlorian Fainelli2014-11-241-0/+1
* binutils: remove linaro version string, it confuses gcc lto support detectionFelix Fietkau2014-10-201-0/+1
* toolchain: fix binutils broken symlinkFelix Fietkau2014-10-181-1/+1
* binutils: remove old versionsFelix Fietkau2014-10-0513-271/+2
* binutils: select linaro 2.24 version by defaultFelix Fietkau2014-09-301-1/+1
* binutils: update -linaro to 2.24.0-2014.09Felix Fietkau2014-09-301-3/+3
* toolchain/binutils: do not install host libiberty.a into target lib dirJonas Gorski2014-09-071-0/+1
* toolchain/binutils: remove obsolete patchesFelix Fietkau2014-06-068-246/+0
* upgrade the Linaro binutils to 2.24-2013.12Imre Kaloz2014-01-078-25/+15
* add support for Linaro binutils 2.23.2-2013.06Imre Kaloz2013-09-118-12/+153
* binutils: stop generating the useless _DYNAMIC_LINKING symbol on mipsFelix Fietkau2013-06-302-0/+36
* binutils: remove some unused obsolete versionsFelix Fietkau2013-06-3018-62155/+0
* build: consistently use 'depends on' instead of 'depends'Felix Fietkau2013-04-171-4/+4
* toolchain/binutils: fix partial MD5 sum from r35813Florian Fainelli2013-02-261-1/+1
* toolchain/binutils: add musl libc config.sub patch to 2.23.1Florian Fainelli2013-02-261-0/+10
* toolchain/binutils: fix 2.19.1 MD5 sumFlorian Fainelli2013-02-261-1/+1
* toolchain/binutils: refresh patchesFlorian Fainelli2013-02-2613-201/+107
* toolchain: remove duplicate default in bintutils KconfigJo-Philipp Wich2012-12-021-2/+1
* remove support for ubicom32Florian Fainelli2012-11-302-48955/+1
* add preliminary support for muslFlorian Fainelli2012-11-231-0/+19
* binutils: remove 2.21Florian Fainelli2012-11-1910-31249/+0
* binutils: add support for 2.23.1Florian Fainelli2012-11-196-0/+108
* binutils/2.22: backport an upstream fix for an assertion in the ARM backend.Florian Fainelli2012-11-191-0/+28
* build: add the + token to any commands that can pass through the jobserver, f...Felix Fietkau2012-09-231-1/+1
* binutils: backport ld patch to fix ARM specific issues with --gc-sectionsFelix Fietkau2012-09-191-0/+12
* binutils: enable parallel buildsFelix Fietkau2012-09-151-1/+3
* toolchain: fix up lib64 symlink to lib before copying the initial prefix dir ...Felix Fietkau2012-06-301-0/+1
* toolchain: keep the initial gcc around for later uclibc rebuildsFelix Fietkau2012-06-301-1/+5
* enable 2.22 for unsupported archs if BROKEN is enabledImre Kaloz2012-02-121-2/+2
* use binutils 2.22 by defaultImre Kaloz2012-02-121-3/+6
* add binutils 2.22Imre Kaloz2012-02-087-1/+183
* adjust md5sum of v2.21.1 since archive got replaced meanwhileMirko Vogt2012-01-201-1/+1
* binutils: add binutils 2.21.1Hauke Mehrtens2011-08-0610-0/+31249
* add the latest avr32 toolchain patches (with additional fixes)Imre Kaloz2011-07-011-2/+2
* remove the CS variant - broken since it's additionImre Kaloz2011-02-219-32534/+2
* only enable binutils 2.21 for avr32 if BROKEN is selectedImre Kaloz2011-02-181-0/+1
* add some more avr32 fixesImre Kaloz2011-02-181-2/+122
* whitespace cleanupImre Kaloz2011-02-181-6/+6
* add binutils 2.21Imre Kaloz2011-02-1810-0/+31128
* add avr32 supportImre Kaloz2011-02-162-3/+30799
* fixup the ubicom patch, refreshImre Kaloz2011-02-164-82/+61
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 19:51:33 +0000
pte_write_atomic(&l3e_get_intpte(*(l3ep)), l3e_get_intpte(l3e)) #define l4e_write_atomic(l4ep, l4e) \ pte_write_atomic(&l4e_get_intpte(*(l4ep)), l4e_get_intpte(l4e)) /* * Write a pte safely but non-atomically to memory. * The PTE may become temporarily not-present during the update. */ #define l1e_write(l1ep, l1e) \ pte_write(&l1e_get_intpte(*(l1ep)), l1e_get_intpte(l1e)) #define l2e_write(l2ep, l2e) \ pte_write(&l2e_get_intpte(*(l2ep)), l2e_get_intpte(l2e)) #define l3e_write(l3ep, l3e) \ pte_write(&l3e_get_intpte(*(l3ep)), l3e_get_intpte(l3e)) #define l4e_write(l4ep, l4e) \ pte_write(&l4e_get_intpte(*(l4ep)), l4e_get_intpte(l4e)) /* Get direct integer representation of a pte's contents (intpte_t). */ #define l1e_get_intpte(x) ((x).l1) #define l2e_get_intpte(x) ((x).l2) #define l3e_get_intpte(x) ((x).l3) #define l4e_get_intpte(x) ((x).l4) /* Get pfn mapped by pte (unsigned long). */ #define l1e_get_pfn(x) \ ((unsigned long)(((x).l1 & (PADDR_MASK&PAGE_MASK)) >> PAGE_SHIFT)) #define l2e_get_pfn(x) \ ((unsigned long)(((x).l2 & (PADDR_MASK&PAGE_MASK)) >> PAGE_SHIFT)) #define l3e_get_pfn(x) \ ((unsigned long)(((x).l3 & (PADDR_MASK&PAGE_MASK)) >> PAGE_SHIFT)) #define l4e_get_pfn(x) \ ((unsigned long)(((x).l4 & (PADDR_MASK&PAGE_MASK)) >> PAGE_SHIFT)) /* Get physical address of page mapped by pte (paddr_t). */ #define l1e_get_paddr(x) \ ((paddr_t)(((x).l1 & (PADDR_MASK&PAGE_MASK)))) #define l2e_get_paddr(x) \ ((paddr_t)(((x).l2 & (PADDR_MASK&PAGE_MASK)))) #define l3e_get_paddr(x) \ ((paddr_t)(((x).l3 & (PADDR_MASK&PAGE_MASK)))) #define l4e_get_paddr(x) \ ((paddr_t)(((x).l4 & (PADDR_MASK&PAGE_MASK)))) /* Get pointer to info structure of page mapped by pte (struct page_info *). */ #define l1e_get_page(x) (mfn_to_page(l1e_get_pfn(x))) #define l2e_get_page(x) (mfn_to_page(l2e_get_pfn(x))) #define l3e_get_page(x) (mfn_to_page(l3e_get_pfn(x))) #define l4e_get_page(x) (mfn_to_page(l4e_get_pfn(x))) /* Get pte access flags (unsigned int). */ #define l1e_get_flags(x) (get_pte_flags((x).l1)) #define l2e_get_flags(x) (get_pte_flags((x).l2)) #define l3e_get_flags(x) (get_pte_flags((x).l3)) #define l4e_get_flags(x) (get_pte_flags((x).l4)) /* Construct an empty pte. */ #define l1e_empty() ((l1_pgentry_t) { 0 }) #define l2e_empty() ((l2_pgentry_t) { 0 }) #define l3e_empty() ((l3_pgentry_t) { 0 }) #define l4e_empty() ((l4_pgentry_t) { 0 }) /* Construct a pte from a pfn and access flags. */ #define l1e_from_pfn(pfn, flags) \ ((l1_pgentry_t) { ((intpte_t)(pfn) << PAGE_SHIFT) | put_pte_flags(flags) }) #define l2e_from_pfn(pfn, flags) \ ((l2_pgentry_t) { ((intpte_t)(pfn) << PAGE_SHIFT) | put_pte_flags(flags) }) #define l3e_from_pfn(pfn, flags) \ ((l3_pgentry_t) { ((intpte_t)(pfn) << PAGE_SHIFT) | put_pte_flags(flags) }) #define l4e_from_pfn(pfn, flags) \ ((l4_pgentry_t) { ((intpte_t)(pfn) << PAGE_SHIFT) | put_pte_flags(flags) }) /* Construct a pte from a physical address and access flags. */ #ifndef __ASSEMBLY__ static inline l1_pgentry_t l1e_from_paddr(paddr_t pa, unsigned int flags) { ASSERT((pa & ~(PADDR_MASK & PAGE_MASK)) == 0); return (l1_pgentry_t) { pa | put_pte_flags(flags) }; } static inline l2_pgentry_t l2e_from_paddr(paddr_t pa, unsigned int flags) { ASSERT((pa & ~(PADDR_MASK & PAGE_MASK)) == 0); return (l2_pgentry_t) { pa | put_pte_flags(flags) }; } #if CONFIG_PAGING_LEVELS >= 3 static inline l3_pgentry_t l3e_from_paddr(paddr_t pa, unsigned int flags) { ASSERT((pa & ~(PADDR_MASK & PAGE_MASK)) == 0); return (l3_pgentry_t) { pa | put_pte_flags(flags) }; } #endif #if CONFIG_PAGING_LEVELS >= 4 static inline l4_pgentry_t l4e_from_paddr(paddr_t pa, unsigned int flags) { ASSERT((pa & ~(PADDR_MASK & PAGE_MASK)) == 0); return (l4_pgentry_t) { pa | put_pte_flags(flags) }; } #endif #endif /* !__ASSEMBLY__ */ /* Construct a pte from its direct integer representation. */ #define l1e_from_intpte(intpte) ((l1_pgentry_t) { (intpte_t)(intpte) }) #define l2e_from_intpte(intpte) ((l2_pgentry_t) { (intpte_t)(intpte) }) #define l3e_from_intpte(intpte) ((l3_pgentry_t) { (intpte_t)(intpte) }) #define l4e_from_intpte(intpte) ((l4_pgentry_t) { (intpte_t)(intpte) }) /* Construct a pte from a page pointer and access flags. */ #define l1e_from_page(page, flags) (l1e_from_pfn(page_to_mfn(page),(flags))) #define l2e_from_page(page, flags) (l2e_from_pfn(page_to_mfn(page),(flags))) #define l3e_from_page(page, flags) (l3e_from_pfn(page_to_mfn(page),(flags))) #define l4e_from_page(page, flags) (l4e_from_pfn(page_to_mfn(page),(flags))) /* Add extra flags to an existing pte. */ #define l1e_add_flags(x, flags) ((x).l1 |= put_pte_flags(flags)) #define l2e_add_flags(x, flags) ((x).l2 |= put_pte_flags(flags)) #define l3e_add_flags(x, flags) ((x).l3 |= put_pte_flags(flags)) #define l4e_add_flags(x, flags) ((x).l4 |= put_pte_flags(flags)) /* Remove flags from an existing pte. */ #define l1e_remove_flags(x, flags) ((x).l1 &= ~put_pte_flags(flags)) #define l2e_remove_flags(x, flags) ((x).l2 &= ~put_pte_flags(flags)) #define l3e_remove_flags(x, flags) ((x).l3 &= ~put_pte_flags(flags)) #define l4e_remove_flags(x, flags) ((x).l4 &= ~put_pte_flags(flags)) /* Check if a pte's page mapping or significant access flags have changed. */ #define l1e_has_changed(x,y,flags) \ ( !!(((x).l1 ^ (y).l1) & ((PADDR_MASK&PAGE_MASK)|put_pte_flags(flags))) ) #define l2e_has_changed(x,y,flags) \ ( !!(((x).l2 ^ (y).l2) & ((PADDR_MASK&PAGE_MASK)|put_pte_flags(flags))) ) #define l3e_has_changed(x,y,flags) \ ( !!(((x).l3 ^ (y).l3) & ((PADDR_MASK&PAGE_MASK)|put_pte_flags(flags))) ) #define l4e_has_changed(x,y,flags) \ ( !!(((x).l4 ^ (y).l4) & ((PADDR_MASK&PAGE_MASK)|put_pte_flags(flags))) ) /* Pagetable walking. */ #define l2e_to_l1e(x) ((l1_pgentry_t *)__va(l2e_get_paddr(x))) #define l3e_to_l2e(x) ((l2_pgentry_t *)__va(l3e_get_paddr(x))) #define l4e_to_l3e(x) ((l3_pgentry_t *)__va(l4e_get_paddr(x))) /* Given a virtual address, get an entry offset into a page table. */ #define l1_table_offset(a) \ (((a) >> L1_PAGETABLE_SHIFT) & (L1_PAGETABLE_ENTRIES - 1)) #define l2_table_offset(a) \ (((a) >> L2_PAGETABLE_SHIFT) & (L2_PAGETABLE_ENTRIES - 1)) #define l3_table_offset(a) \ (((a) >> L3_PAGETABLE_SHIFT) & (L3_PAGETABLE_ENTRIES - 1)) #define l4_table_offset(a) \ (((a) >> L4_PAGETABLE_SHIFT) & (L4_PAGETABLE_ENTRIES - 1)) /* Convert a pointer to a page-table entry into pagetable slot index. */ #define pgentry_ptr_to_slot(_p) \ (((unsigned long)(_p) & ~PAGE_MASK) / sizeof(*(_p))) /* Page-table type. */ #ifndef __ASSEMBLY__ #if CONFIG_PAGING_LEVELS == 2 /* x86_32 default */ typedef struct { u32 pfn; } pagetable_t; #elif CONFIG_PAGING_LEVELS == 3 /* x86_32 PAE */ typedef struct { u32 pfn; } pagetable_t; #elif CONFIG_PAGING_LEVELS == 4 /* x86_64 */ typedef struct { u64 pfn; } pagetable_t; #endif #define pagetable_get_paddr(x) ((paddr_t)(x).pfn << PAGE_SHIFT) #define pagetable_get_page(x) mfn_to_page((x).pfn) #define pagetable_get_pfn(x) ((x).pfn) #define pagetable_get_mfn(x) _mfn(((x).pfn)) #define pagetable_is_null(x) ((x).pfn == 0) #define pagetable_from_pfn(pfn) ((pagetable_t) { (pfn) }) #define pagetable_from_mfn(mfn) ((pagetable_t) { mfn_x(mfn) }) #define pagetable_from_page(pg) pagetable_from_pfn(page_to_mfn(pg)) #define pagetable_from_paddr(p) pagetable_from_pfn((p)>>PAGE_SHIFT) #define pagetable_null() pagetable_from_pfn(0) #endif #define clear_page(_p) memset((void *)(_p), 0, PAGE_SIZE) #define copy_page(_t,_f) memcpy((void *)(_t), (void *)(_f), PAGE_SIZE) #define mfn_valid(mfn) ((mfn) < max_page) /* Convert between Xen-heap virtual addresses and machine addresses. */ #define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) #define virt_to_maddr(va) ((unsigned long)(va)-PAGE_OFFSET) #define maddr_to_virt(ma) ((void *)((unsigned long)(ma)+PAGE_OFFSET)) /* Shorthand versions of the above functions. */ #define __pa(x) (virt_to_maddr(x)) #define __va(x) (maddr_to_virt(x)) /* Convert between Xen-heap virtual addresses and machine frame numbers. */ #define virt_to_mfn(va) (virt_to_maddr(va) >> PAGE_SHIFT) #define mfn_to_virt(mfn) (maddr_to_virt(mfn << PAGE_SHIFT)) /* Convert between machine frame numbers and page-info structures. */ #define mfn_to_page(mfn) (frame_table + (mfn)) #define page_to_mfn(pg) ((unsigned long)((pg) - frame_table)) /* Convert between machine addresses and page-info structures. */ #define maddr_to_page(ma) (frame_table + ((ma) >> PAGE_SHIFT)) #define page_to_maddr(pg) ((paddr_t)((pg) - frame_table) << PAGE_SHIFT) /* Convert between Xen-heap virtual addresses and page-info structures. */ #define virt_to_page(va) (frame_table + (__pa(va) >> PAGE_SHIFT)) #define page_to_virt(pg) (maddr_to_virt(page_to_maddr(pg))) /* Convert between frame number and address formats. */ #define pfn_to_paddr(pfn) ((paddr_t)(pfn) << PAGE_SHIFT) #define paddr_to_pfn(pa) ((unsigned long)((pa) >> PAGE_SHIFT)) /* High table entries are reserved by the hypervisor. */ #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE) #define DOMAIN_ENTRIES_PER_L2_PAGETABLE \ (HYPERVISOR_VIRT_START >> L2_PAGETABLE_SHIFT) #define HYPERVISOR_ENTRIES_PER_L2_PAGETABLE \ (L2_PAGETABLE_ENTRIES - DOMAIN_ENTRIES_PER_L2_PAGETABLE) #else #define DOMAIN_ENTRIES_PER_L2_PAGETABLE 0 #define HYPERVISOR_ENTRIES_PER_L2_PAGETABLE 0 #define DOMAIN_ENTRIES_PER_L4_PAGETABLE \ (l4_table_offset(HYPERVISOR_VIRT_START)) #define GUEST_ENTRIES_PER_L4_PAGETABLE \ (l4_table_offset(HYPERVISOR_VIRT_END)) #define HYPERVISOR_ENTRIES_PER_L4_PAGETABLE \ (L4_PAGETABLE_ENTRIES - GUEST_ENTRIES_PER_L4_PAGETABLE \ + DOMAIN_ENTRIES_PER_L4_PAGETABLE) #endif /* Where to find each level of the linear mapping */ #define __linear_l1_table ((l1_pgentry_t *)(LINEAR_PT_VIRT_START)) #define __linear_l2_table \ ((l2_pgentry_t *)(__linear_l1_table + l1_linear_offset(LINEAR_PT_VIRT_START))) #define __linear_l3_table \ ((l3_pgentry_t *)(__linear_l2_table + l2_linear_offset(LINEAR_PT_VIRT_START))) #define __linear_l4_table \ ((l4_pgentry_t *)(__linear_l3_table + l3_linear_offset(LINEAR_PT_VIRT_START))) #ifndef __ASSEMBLY__ #if CONFIG_PAGING_LEVELS == 3 extern root_pgentry_t idle_pg_table[ROOT_PAGETABLE_ENTRIES]; extern l3_pgentry_t idle_pg_table_l3[ROOT_PAGETABLE_ENTRIES]; extern l2_pgentry_t idle_pg_table_l2[ROOT_PAGETABLE_ENTRIES*L2_PAGETABLE_ENTRIES]; #else extern root_pgentry_t idle_pg_table[ROOT_PAGETABLE_ENTRIES]; extern l2_pgentry_t idle_pg_table_l2[ROOT_PAGETABLE_ENTRIES]; #ifdef CONFIG_COMPAT extern l2_pgentry_t *compat_idle_pg_table_l2; extern unsigned int m2p_compat_vstart; #endif #endif void paging_init(void); void setup_idle_pagetable(void); #endif #define __pge_off() \ do { \ __asm__ __volatile__( \ "mov %0, %%cr4; # turn off PGE " \ : : "r" (mmu_cr4_features & ~X86_CR4_PGE) ); \ } while ( 0 ) #define __pge_on() \ do { \ __asm__ __volatile__( \ "mov %0, %%cr4; # turn off PGE " \ : : "r" (mmu_cr4_features) ); \ } while ( 0 ) #define _PAGE_PRESENT 0x001U #define _PAGE_RW 0x002U #define _PAGE_USER 0x004U #define _PAGE_PWT 0x008U #define _PAGE_PCD 0x010U #define _PAGE_ACCESSED 0x020U #define _PAGE_DIRTY 0x040U #define _PAGE_PAT 0x080U #define _PAGE_PSE 0x080U #define _PAGE_GLOBAL 0x100U #define _PAGE_AVAIL0 0x200U #define _PAGE_AVAIL1 0x400U #define _PAGE_AVAIL2 0x800U #define _PAGE_AVAIL 0xE00U #define _PAGE_PSE_PAT 0x1000U /* * Debug option: Ensure that granted mappings are not implicitly unmapped. * WARNING: This will need to be disabled to run OSes that use the spare PTE * bits themselves (e.g., *BSD). */ #ifndef NDEBUG #define _PAGE_GNTTAB _PAGE_AVAIL2 #else #define _PAGE_GNTTAB 0 #endif #define __PAGE_HYPERVISOR \ (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED) #define __PAGE_HYPERVISOR_NOCACHE \ (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_PCD | _PAGE_ACCESSED) #ifndef __ASSEMBLY__ static inline int get_order_from_bytes(paddr_t size) { int order; size = (size-1) >> PAGE_SHIFT; for ( order = 0; size; order++ ) size >>= 1; return order; } static inline int get_order_from_pages(unsigned long nr_pages) { int order; nr_pages--; for ( order = 0; nr_pages; order++ ) nr_pages >>= 1; return order; } /* Allocator functions for Xen pagetables. */ void *alloc_xen_pagetable(void); void free_xen_pagetable(void *v); l2_pgentry_t *virt_to_xen_l2e(unsigned long v); /* Map machine page range in Xen virtual address space. */ #define MAP_SMALL_PAGES (1UL<<16) /* don't use superpages for the mapping */ int map_pages_to_xen( unsigned long virt, unsigned long mfn, unsigned long nr_mfns, unsigned long flags); #endif /* !__ASSEMBLY__ */ #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) #endif /* __X86_PAGE_H__ */ /* * Local variables: * mode: C * c-set-style: "BSD" * c-basic-offset: 4 * tab-width: 4 * indent-tabs-mode: nil * End: */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 19:51:33 +0000