/* * Copyright (C) 2016 ARM Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __ASM_PGTABLE_PROT_H #define __ASM_PGTABLE_PROT_H #include <asm/memory.h> #include <asm/pgtable-hwdef.h> #include <linux/const.h> /* * Software defined PTE bits definition. */ #define PTE_VALID (_AT(pteval_t, 1) << 0) #define PTE_WRITE (PTE_DBM) /* same as DBM (51) */ #define PTE_DIRTY (_AT(pteval_t, 1) << 55) #define PTE_SPECIAL (_AT(pteval_t, 1) << 56) #define PTE_PROT_NONE (_AT(pteval_t, 1) << 58) /* only when !PTE_VALID */ #ifndef __ASSEMBLY__ #include <asm/pgtable-types.h> #define _PROT_DEFAULT (PTE_TYPE_PAGE | PTE_AF | PTE_SHARED) #define _PROT_SECT_DEFAULT (PMD_TYPE_SECT | PMD_SECT_AF | PMD_SECT_S) #define PTE_MAYBE_NG (arm64_kernel_unmapped_at_el0() ? PTE_NG : 0) #define PMD_MAYBE_NG (arm64_kernel_unmapped_at_el0() ? PMD_SECT_NG : 0) #define PROT_DEFAULT (_PROT_DEFAULT | PTE_MAYBE_NG) #define PROT_SECT_DEFAULT (_PROT_SECT_DEFAULT | PMD_MAYBE_NG) #define PROT_DEVICE_nGnRnE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRnE)) #define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRE)) #define PROT_NORMAL_NC (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_NC)) #define PROT_NORMAL_WT (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_WT)) #define PROT_NORMAL (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL)) #define PROT_SECT_DEVICE_nGnRE (PROT_SECT_DEFAULT | PMD_SECT_PXN | PMD_SECT_UXN | PMD_ATTRINDX(MT_DEVICE_nGnRE)) #define PROT_SECT_NORMAL (PROT_SECT_DEFAULT | PMD_SECT_PXN | PMD_SECT_UXN | PMD_ATTRINDX(MT_NORMAL)) #define PROT_SECT_NORMAL_EXEC (PROT_SECT_DEFAULT | PMD_SECT_UXN | PMD_ATTRINDX(MT_NORMAL)) #define _PAGE_DEFAULT (_PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL)) #define _HYP_PAGE_DEFAULT _PAGE_DEFAULT #define PAGE_KERNEL __pgprot(PROT_NORMAL) #define PAGE_KERNEL_RO __pgprot((PROT_NORMAL & ~PTE_WRITE) | PTE_RDONLY) #define PAGE_KERNEL_ROX __pgprot((PROT_NORMAL & ~(PTE_WRITE | PTE_PXN)) | PTE_RDONLY) #define PAGE_KERNEL_EXEC __pgprot(PROT_NORMAL & ~PTE_PXN) #define PAGE_KERNEL_EXEC_CONT __pgprot((PROT_NORMAL & ~PTE_PXN) | PTE_CONT) #define PAGE_HYP __pgprot(_HYP_PAGE_DEFAULT | PTE_HYP | PTE_HYP_XN) #define PAGE_HYP_EXEC __pgprot(_HYP_PAGE_DEFAULT | PTE_HYP | PTE_RDONLY) #define PAGE_HYP_RO __pgprot(_HYP_PAGE_DEFAULT | PTE_HYP | PTE_RDONLY | PTE_HYP_XN) #define PAGE_HYP_DEVICE __pgprot(_PROT_DEFAULT | PTE_ATTRINDX(MT_DEVICE_nGnRE) | PTE_HYP | PTE_HYP_XN) #define PAGE_S2 __pgprot(_PROT_DEFAULT | PTE_S2_MEMATTR(MT_S2_NORMAL) | PTE_S2_RDONLY) #define PAGE_S2_DEVICE __pgprot(_PROT_DEFAULT | PTE_S2_MEMATTR(MT_S2_DEVICE_nGnRE) | PTE_S2_RDONLY | PTE_UXN) #define PAGE_NONE __pgprot(((_PAGE_DEFAULT) & ~PTE_VALID) | PTE_PROT_NONE | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN) /* shared+writable pages are clean by default, hence PTE_RDONLY|PTE_WRITE */ #define PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN | PTE_WRITE) #define PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_WRITE) #define PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN) #define PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN) #define __P000 PAGE_NONE #define __P001 PAGE_READONLY #define __P010 PAGE_READONLY #define __P011 PAGE_READONLY #define __P100 PAGE_READONLY_EXEC #define __P101 PAGE_READONLY_EXEC #define __P110 PAGE_READONLY_EXEC #define __P111 PAGE_READONLY_EXEC #define __S000 PAGE_NONE #define __S001 PAGE_READONLY #define __S010 PAGE_SHARED #define __S011 PAGE_SHARED #define __S100 PAGE_READONLY_EXEC #define __S101 PAGE_READONLY_EXEC #define __S110 PAGE_SHARED_EXEC #define __S111 PAGE_SHARED_EXEC #endif /* __ASSEMBLY__ */ #endif /* __ASM_PGTABLE_PROT_H */
Name | Type | Size | Permission | Actions |
---|---|---|---|---|
xen | Folder | 0755 |
|
|
Kbuild | File | 703 B | 0644 |
|
acenv.h | File | 541 B | 0644 |
|
acpi.h | File | 4.34 KB | 0644 |
|
alternative.h | File | 7.63 KB | 0644 |
|
arch_gicv3.h | File | 3.44 KB | 0644 |
|
arch_timer.h | File | 4.87 KB | 0644 |
|
arm-cci.h | File | 794 B | 0644 |
|
asm-bug.h | File | 1.45 KB | 0644 |
|
asm-offsets.h | File | 35 B | 0644 |
|
asm-uaccess.h | File | 2.09 KB | 0644 |
|
assembler.h | File | 13.51 KB | 0644 |
|
atomic.h | File | 8.35 KB | 0644 |
|
atomic_ll_sc.h | File | 10.62 KB | 0644 |
|
atomic_lse.h | File | 14.82 KB | 0644 |
|
barrier.h | File | 3.78 KB | 0644 |
|
bitops.h | File | 1.9 KB | 0644 |
|
bitrev.h | File | 452 B | 0644 |
|
boot.h | File | 384 B | 0644 |
|
brk-imm.h | File | 706 B | 0644 |
|
bug.h | File | 1.09 KB | 0644 |
|
cache.h | File | 2.23 KB | 0644 |
|
cacheflush.h | File | 4.87 KB | 0644 |
|
checksum.h | File | 1.35 KB | 0644 |
|
clocksource.h | File | 192 B | 0644 |
|
cmpxchg.h | File | 7.98 KB | 0644 |
|
compat.h | File | 7.15 KB | 0644 |
|
compiler.h | File | 1.18 KB | 0644 |
|
cpu.h | File | 1.84 KB | 0644 |
|
cpu_ops.h | File | 2.73 KB | 0644 |
|
cpucaps.h | File | 1.83 KB | 0644 |
|
cpufeature.h | File | 19.14 KB | 0644 |
|
cpuidle.h | File | 401 B | 0644 |
|
cputype.h | File | 8.1 KB | 0644 |
|
current.h | File | 517 B | 0644 |
|
daifflags.h | File | 1.59 KB | 0644 |
|
dcc.h | File | 1.36 KB | 0644 |
|
debug-monitors.h | File | 3.76 KB | 0644 |
|
device.h | File | 886 B | 0644 |
|
dma-mapping.h | File | 2.42 KB | 0644 |
|
dmi.h | File | 850 B | 0644 |
|
efi.h | File | 4.57 KB | 0644 |
|
elf.h | File | 5.7 KB | 0644 |
|
esr.h | File | 9.02 KB | 0644 |
|
exception.h | File | 1.21 KB | 0644 |
|
exec.h | File | 868 B | 0644 |
|
extable.h | File | 815 B | 0644 |
|
fb.h | File | 1000 B | 0644 |
|
fixmap.h | File | 2.91 KB | 0644 |
|
fpsimd.h | File | 4.21 KB | 0644 |
|
fpsimdmacros.h | File | 5.62 KB | 0644 |
|
ftrace.h | File | 1.92 KB | 0644 |
|
futex.h | File | 3.41 KB | 0644 |
|
hardirq.h | File | 2.08 KB | 0644 |
|
hugetlb.h | File | 2.71 KB | 0644 |
|
hw_breakpoint.h | File | 4.46 KB | 0644 |
|
hwcap.h | File | 1.86 KB | 0644 |
|
hypervisor.h | File | 144 B | 0644 |
|
insn.h | File | 16.03 KB | 0644 |
|
io.h | File | 7.72 KB | 0644 |
|
irq.h | File | 307 B | 0644 |
|
irq_work.h | File | 228 B | 0644 |
|
irqflags.h | File | 2.3 KB | 0644 |
|
jump_label.h | File | 1.68 KB | 0644 |
|
kasan.h | File | 1.16 KB | 0644 |
|
kernel-pgtable.h | File | 4.03 KB | 0644 |
|
kexec.h | File | 2.42 KB | 0644 |
|
kgdb.h | File | 3.79 KB | 0644 |
|
kprobes.h | File | 1.74 KB | 0644 |
|
kvm_arm.h | File | 8.38 KB | 0644 |
|
kvm_asm.h | File | 4.26 KB | 0644 |
|
kvm_coproc.h | File | 2.04 KB | 0644 |
|
kvm_emulate.h | File | 10.38 KB | 0644 |
|
kvm_host.h | File | 15.73 KB | 0644 |
|
kvm_hyp.h | File | 5.79 KB | 0644 |
|
kvm_mmio.h | File | 1.3 KB | 0644 |
|
kvm_mmu.h | File | 11.72 KB | 0644 |
|
linkage.h | File | 114 B | 0644 |
|
lse.h | File | 1.26 KB | 0644 |
|
memblock.h | File | 720 B | 0644 |
|
memory.h | File | 9.32 KB | 0644 |
|
mmu.h | File | 2.74 KB | 0644 |
|
mmu_context.h | File | 6.35 KB | 0644 |
|
mmzone.h | File | 266 B | 0644 |
|
module.h | File | 2.8 KB | 0644 |
|
neon.h | File | 815 B | 0644 |
|
numa.h | File | 1.33 KB | 0644 |
|
page-def.h | File | 1.17 KB | 0644 |
|
page.h | File | 1.61 KB | 0644 |
|
paravirt.h | File | 458 B | 0644 |
|
pci.h | File | 878 B | 0644 |
|
percpu.h | File | 7.48 KB | 0644 |
|
perf_event.h | File | 3.17 KB | 0644 |
|
pgalloc.h | File | 3.71 KB | 0644 |
|
pgtable-hwdef.h | File | 9.4 KB | 0644 |
|
pgtable-prot.h | File | 4.38 KB | 0644 |
|
pgtable-types.h | File | 1.84 KB | 0644 |
|
pgtable.h | File | 21.55 KB | 0644 |
|
probes.h | File | 1022 B | 0644 |
|
proc-fns.h | File | 1.21 KB | 0644 |
|
processor.h | File | 6.52 KB | 0644 |
|
ptdump.h | File | 1.42 KB | 0644 |
|
ptrace.h | File | 9 KB | 0644 |
|
sdei.h | File | 1.46 KB | 0644 |
|
seccomp.h | File | 714 B | 0644 |
|
sections.h | File | 1.46 KB | 0644 |
|
shmparam.h | File | 965 B | 0644 |
|
signal32.h | File | 1.45 KB | 0644 |
|
simd.h | File | 1.39 KB | 0644 |
|
smp.h | File | 4.23 KB | 0644 |
|
smp_plat.h | File | 1.43 KB | 0644 |
|
sparsemem.h | File | 771 B | 0644 |
|
spinlock.h | File | 3.33 KB | 0644 |
|
spinlock_types.h | File | 1.06 KB | 0644 |
|
stack_pointer.h | File | 247 B | 0644 |
|
stackprotector.h | File | 1.11 KB | 0644 |
|
stacktrace.h | File | 2.53 KB | 0644 |
|
stage2_pgtable-nopmd.h | File | 1.3 KB | 0644 |
|
stage2_pgtable-nopud.h | File | 1.24 KB | 0644 |
|
stage2_pgtable.h | File | 4.89 KB | 0644 |
|
stat.h | File | 1.43 KB | 0644 |
|
string.h | File | 2.33 KB | 0644 |
|
suspend.h | File | 1.65 KB | 0644 |
|
sync_bitops.h | File | 1.11 KB | 0644 |
|
syscall.h | File | 2.87 KB | 0644 |
|
sysreg.h | File | 25.1 KB | 0644 |
|
system_misc.h | File | 1.86 KB | 0644 |
|
thread_info.h | File | 3.93 KB | 0644 |
|
timex.h | File | 883 B | 0644 |
|
tlb.h | File | 2.22 KB | 0644 |
|
tlbflush.h | File | 5.38 KB | 0644 |
|
topology.h | File | 1.29 KB | 0644 |
|
traps.h | File | 3.33 KB | 0644 |
|
uaccess.h | File | 12.01 KB | 0644 |
|
unistd.h | File | 1.6 KB | 0644 |
|
unistd32.h | File | 27.53 KB | 0644 |
|
uprobes.h | File | 777 B | 0644 |
|
vdso.h | File | 1.09 KB | 0644 |
|
vdso_datapage.h | File | 1.53 KB | 0644 |
|
vectors.h | File | 1.75 KB | 0644 |
|
virt.h | File | 3 KB | 0644 |
|
vmap_stack.h | File | 769 B | 0644 |
|
word-at-a-time.h | File | 2.22 KB | 0644 |
|