404

[ Avaa Bypassed ]




Upload:

Command:

botdev@18.225.254.37: ~ $
/*
 * Copyright (C) 2012 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_HWDEF_H
#define __ASM_PGTABLE_HWDEF_H

/*
 * Number of page-table levels required to address 'va_bits' wide
 * address, without section mapping. We resolve the top (va_bits - PAGE_SHIFT)
 * bits with (PAGE_SHIFT - 3) bits at each page table level. Hence:
 *
 *  levels = DIV_ROUND_UP((va_bits - PAGE_SHIFT), (PAGE_SHIFT - 3))
 *
 * where DIV_ROUND_UP(n, d) => (((n) + (d) - 1) / (d))
 *
 * We cannot include linux/kernel.h which defines DIV_ROUND_UP here
 * due to build issues. So we open code DIV_ROUND_UP here:
 *
 *	((((va_bits) - PAGE_SHIFT) + (PAGE_SHIFT - 3) - 1) / (PAGE_SHIFT - 3))
 *
 * which gets simplified as :
 */
#define ARM64_HW_PGTABLE_LEVELS(va_bits) (((va_bits) - 4) / (PAGE_SHIFT - 3))

/*
 * Size mapped by an entry at level n ( 0 <= n <= 3)
 * We map (PAGE_SHIFT - 3) at all translation levels and PAGE_SHIFT bits
 * in the final page. The maximum number of translation levels supported by
 * the architecture is 4. Hence, starting at at level n, we have further
 * ((4 - n) - 1) levels of translation excluding the offset within the page.
 * So, the total number of bits mapped by an entry at level n is :
 *
 *  ((4 - n) - 1) * (PAGE_SHIFT - 3) + PAGE_SHIFT
 *
 * Rearranging it a bit we get :
 *   (4 - n) * (PAGE_SHIFT - 3) + 3
 */
#define ARM64_HW_PGTABLE_LEVEL_SHIFT(n)	((PAGE_SHIFT - 3) * (4 - (n)) + 3)

#define PTRS_PER_PTE		(1 << (PAGE_SHIFT - 3))

/*
 * PMD_SHIFT determines the size a level 2 page table entry can map.
 */
#if CONFIG_PGTABLE_LEVELS > 2
#define PMD_SHIFT		ARM64_HW_PGTABLE_LEVEL_SHIFT(2)
#define PMD_SIZE		(_AC(1, UL) << PMD_SHIFT)
#define PMD_MASK		(~(PMD_SIZE-1))
#define PTRS_PER_PMD		PTRS_PER_PTE
#endif

/*
 * PUD_SHIFT determines the size a level 1 page table entry can map.
 */
#if CONFIG_PGTABLE_LEVELS > 3
#define PUD_SHIFT		ARM64_HW_PGTABLE_LEVEL_SHIFT(1)
#define PUD_SIZE		(_AC(1, UL) << PUD_SHIFT)
#define PUD_MASK		(~(PUD_SIZE-1))
#define PTRS_PER_PUD		PTRS_PER_PTE
#endif

/*
 * PGDIR_SHIFT determines the size a top-level page table entry can map
 * (depending on the configuration, this level can be 0, 1 or 2).
 */
#define PGDIR_SHIFT		ARM64_HW_PGTABLE_LEVEL_SHIFT(4 - CONFIG_PGTABLE_LEVELS)
#define PGDIR_SIZE		(_AC(1, UL) << PGDIR_SHIFT)
#define PGDIR_MASK		(~(PGDIR_SIZE-1))
#define PTRS_PER_PGD		(1 << (VA_BITS - PGDIR_SHIFT))

/*
 * Section address mask and size definitions.
 */
#define SECTION_SHIFT		PMD_SHIFT
#define SECTION_SIZE		(_AC(1, UL) << SECTION_SHIFT)
#define SECTION_MASK		(~(SECTION_SIZE-1))

/*
 * Contiguous page definitions.
 */
#ifdef CONFIG_ARM64_64K_PAGES
#define CONT_PTE_SHIFT		5
#define CONT_PMD_SHIFT		5
#elif defined(CONFIG_ARM64_16K_PAGES)
#define CONT_PTE_SHIFT		7
#define CONT_PMD_SHIFT		5
#else
#define CONT_PTE_SHIFT		4
#define CONT_PMD_SHIFT		4
#endif

#define CONT_PTES		(1 << CONT_PTE_SHIFT)
#define CONT_PTE_SIZE		(CONT_PTES * PAGE_SIZE)
#define CONT_PTE_MASK		(~(CONT_PTE_SIZE - 1))
#define CONT_PMDS		(1 << CONT_PMD_SHIFT)
#define CONT_PMD_SIZE		(CONT_PMDS * PMD_SIZE)
#define CONT_PMD_MASK		(~(CONT_PMD_SIZE - 1))
/* the the numerical offset of the PTE within a range of CONT_PTES */
#define CONT_RANGE_OFFSET(addr) (((addr)>>PAGE_SHIFT)&(CONT_PTES-1))

/*
 * Hardware page table definitions.
 *
 * Level 1 descriptor (PUD).
 */
#define PUD_TYPE_TABLE		(_AT(pudval_t, 3) << 0)
#define PUD_TABLE_BIT		(_AT(pgdval_t, 1) << 1)
#define PUD_TYPE_MASK		(_AT(pgdval_t, 3) << 0)
#define PUD_TYPE_SECT		(_AT(pgdval_t, 1) << 0)

/*
 * Level 2 descriptor (PMD).
 */
#define PMD_TYPE_MASK		(_AT(pmdval_t, 3) << 0)
#define PMD_TYPE_FAULT		(_AT(pmdval_t, 0) << 0)
#define PMD_TYPE_TABLE		(_AT(pmdval_t, 3) << 0)
#define PMD_TYPE_SECT		(_AT(pmdval_t, 1) << 0)
#define PMD_TABLE_BIT		(_AT(pmdval_t, 1) << 1)

/*
 * Section
 */
#define PMD_SECT_VALID		(_AT(pmdval_t, 1) << 0)
#define PMD_SECT_USER		(_AT(pmdval_t, 1) << 6)		/* AP[1] */
#define PMD_SECT_RDONLY		(_AT(pmdval_t, 1) << 7)		/* AP[2] */
#define PMD_SECT_S		(_AT(pmdval_t, 3) << 8)
#define PMD_SECT_AF		(_AT(pmdval_t, 1) << 10)
#define PMD_SECT_NG		(_AT(pmdval_t, 1) << 11)
#define PMD_SECT_CONT		(_AT(pmdval_t, 1) << 52)
#define PMD_SECT_PXN		(_AT(pmdval_t, 1) << 53)
#define PMD_SECT_UXN		(_AT(pmdval_t, 1) << 54)

/*
 * AttrIndx[2:0] encoding (mapping attributes defined in the MAIR* registers).
 */
#define PMD_ATTRINDX(t)		(_AT(pmdval_t, (t)) << 2)
#define PMD_ATTRINDX_MASK	(_AT(pmdval_t, 7) << 2)

/*
 * Level 3 descriptor (PTE).
 */
#define PTE_TYPE_MASK		(_AT(pteval_t, 3) << 0)
#define PTE_TYPE_FAULT		(_AT(pteval_t, 0) << 0)
#define PTE_TYPE_PAGE		(_AT(pteval_t, 3) << 0)
#define PTE_TABLE_BIT		(_AT(pteval_t, 1) << 1)
#define PTE_USER		(_AT(pteval_t, 1) << 6)		/* AP[1] */
#define PTE_RDONLY		(_AT(pteval_t, 1) << 7)		/* AP[2] */
#define PTE_SHARED		(_AT(pteval_t, 3) << 8)		/* SH[1:0], inner shareable */
#define PTE_AF			(_AT(pteval_t, 1) << 10)	/* Access Flag */
#define PTE_NG			(_AT(pteval_t, 1) << 11)	/* nG */
#define PTE_DBM			(_AT(pteval_t, 1) << 51)	/* Dirty Bit Management */
#define PTE_CONT		(_AT(pteval_t, 1) << 52)	/* Contiguous range */
#define PTE_PXN			(_AT(pteval_t, 1) << 53)	/* Privileged XN */
#define PTE_UXN			(_AT(pteval_t, 1) << 54)	/* User XN */
#define PTE_HYP_XN		(_AT(pteval_t, 1) << 54)	/* HYP XN */

/*
 * AttrIndx[2:0] encoding (mapping attributes defined in the MAIR* registers).
 */
#define PTE_ATTRINDX(t)		(_AT(pteval_t, (t)) << 2)
#define PTE_ATTRINDX_MASK	(_AT(pteval_t, 7) << 2)

/*
 * 2nd stage PTE definitions
 */
#define PTE_S2_RDONLY		(_AT(pteval_t, 1) << 6)   /* HAP[2:1] */
#define PTE_S2_RDWR		(_AT(pteval_t, 3) << 6)   /* HAP[2:1] */

#define PMD_S2_RDONLY		(_AT(pmdval_t, 1) << 6)   /* HAP[2:1] */
#define PMD_S2_RDWR		(_AT(pmdval_t, 3) << 6)   /* HAP[2:1] */

/*
 * Memory Attribute override for Stage-2 (MemAttr[3:0])
 */
#define PTE_S2_MEMATTR(t)	(_AT(pteval_t, (t)) << 2)
#define PTE_S2_MEMATTR_MASK	(_AT(pteval_t, 0xf) << 2)

/*
 * EL2/HYP PTE/PMD definitions
 */
#define PMD_HYP			PMD_SECT_USER
#define PTE_HYP			PTE_USER

/*
 * Highest possible physical address supported.
 */
#define PHYS_MASK_SHIFT		(48)
#define PHYS_MASK		((UL(1) << PHYS_MASK_SHIFT) - 1)

/*
 * TCR flags.
 */
#define TCR_T0SZ_OFFSET		0
#define TCR_T1SZ_OFFSET		16
#define TCR_T0SZ(x)		((UL(64) - (x)) << TCR_T0SZ_OFFSET)
#define TCR_T1SZ(x)		((UL(64) - (x)) << TCR_T1SZ_OFFSET)
#define TCR_TxSZ(x)		(TCR_T0SZ(x) | TCR_T1SZ(x))
#define TCR_TxSZ_WIDTH		6
#define TCR_T0SZ_MASK		(((UL(1) << TCR_TxSZ_WIDTH) - 1) << TCR_T0SZ_OFFSET)

#define TCR_IRGN0_SHIFT		8
#define TCR_IRGN0_MASK		(UL(3) << TCR_IRGN0_SHIFT)
#define TCR_IRGN0_NC		(UL(0) << TCR_IRGN0_SHIFT)
#define TCR_IRGN0_WBWA		(UL(1) << TCR_IRGN0_SHIFT)
#define TCR_IRGN0_WT		(UL(2) << TCR_IRGN0_SHIFT)
#define TCR_IRGN0_WBnWA		(UL(3) << TCR_IRGN0_SHIFT)

#define TCR_IRGN1_SHIFT		24
#define TCR_IRGN1_MASK		(UL(3) << TCR_IRGN1_SHIFT)
#define TCR_IRGN1_NC		(UL(0) << TCR_IRGN1_SHIFT)
#define TCR_IRGN1_WBWA		(UL(1) << TCR_IRGN1_SHIFT)
#define TCR_IRGN1_WT		(UL(2) << TCR_IRGN1_SHIFT)
#define TCR_IRGN1_WBnWA		(UL(3) << TCR_IRGN1_SHIFT)

#define TCR_IRGN_NC		(TCR_IRGN0_NC | TCR_IRGN1_NC)
#define TCR_IRGN_WBWA		(TCR_IRGN0_WBWA | TCR_IRGN1_WBWA)
#define TCR_IRGN_WT		(TCR_IRGN0_WT | TCR_IRGN1_WT)
#define TCR_IRGN_WBnWA		(TCR_IRGN0_WBnWA | TCR_IRGN1_WBnWA)
#define TCR_IRGN_MASK		(TCR_IRGN0_MASK | TCR_IRGN1_MASK)


#define TCR_ORGN0_SHIFT		10
#define TCR_ORGN0_MASK		(UL(3) << TCR_ORGN0_SHIFT)
#define TCR_ORGN0_NC		(UL(0) << TCR_ORGN0_SHIFT)
#define TCR_ORGN0_WBWA		(UL(1) << TCR_ORGN0_SHIFT)
#define TCR_ORGN0_WT		(UL(2) << TCR_ORGN0_SHIFT)
#define TCR_ORGN0_WBnWA		(UL(3) << TCR_ORGN0_SHIFT)

#define TCR_ORGN1_SHIFT		26
#define TCR_ORGN1_MASK		(UL(3) << TCR_ORGN1_SHIFT)
#define TCR_ORGN1_NC		(UL(0) << TCR_ORGN1_SHIFT)
#define TCR_ORGN1_WBWA		(UL(1) << TCR_ORGN1_SHIFT)
#define TCR_ORGN1_WT		(UL(2) << TCR_ORGN1_SHIFT)
#define TCR_ORGN1_WBnWA		(UL(3) << TCR_ORGN1_SHIFT)

#define TCR_ORGN_NC		(TCR_ORGN0_NC | TCR_ORGN1_NC)
#define TCR_ORGN_WBWA		(TCR_ORGN0_WBWA | TCR_ORGN1_WBWA)
#define TCR_ORGN_WT		(TCR_ORGN0_WT | TCR_ORGN1_WT)
#define TCR_ORGN_WBnWA		(TCR_ORGN0_WBnWA | TCR_ORGN1_WBnWA)
#define TCR_ORGN_MASK		(TCR_ORGN0_MASK | TCR_ORGN1_MASK)

#define TCR_SH0_SHIFT		12
#define TCR_SH0_MASK		(UL(3) << TCR_SH0_SHIFT)
#define TCR_SH0_INNER		(UL(3) << TCR_SH0_SHIFT)

#define TCR_SH1_SHIFT		28
#define TCR_SH1_MASK		(UL(3) << TCR_SH1_SHIFT)
#define TCR_SH1_INNER		(UL(3) << TCR_SH1_SHIFT)
#define TCR_SHARED		(TCR_SH0_INNER | TCR_SH1_INNER)

#define TCR_TG0_SHIFT		14
#define TCR_TG0_MASK		(UL(3) << TCR_TG0_SHIFT)
#define TCR_TG0_4K		(UL(0) << TCR_TG0_SHIFT)
#define TCR_TG0_64K		(UL(1) << TCR_TG0_SHIFT)
#define TCR_TG0_16K		(UL(2) << TCR_TG0_SHIFT)

#define TCR_TG1_SHIFT		30
#define TCR_TG1_MASK		(UL(3) << TCR_TG1_SHIFT)
#define TCR_TG1_16K		(UL(1) << TCR_TG1_SHIFT)
#define TCR_TG1_4K		(UL(2) << TCR_TG1_SHIFT)
#define TCR_TG1_64K		(UL(3) << TCR_TG1_SHIFT)

#define TCR_A1			(UL(1) << 22)
#define TCR_ASID16		(UL(1) << 36)
#define TCR_TBI0		(UL(1) << 37)
#define TCR_HA			(UL(1) << 39)
#define TCR_HD			(UL(1) << 40)

#endif

Filemanager

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