diff options
Diffstat (limited to 'arch/arm/include')
44 files changed, 347 insertions, 301 deletions
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index efb21757d41f..721ab5ecfb9b 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -1,40 +1,23 @@ - - -generic-y += bitsperlong.h generic-y += clkdev.h -generic-y += cputime.h generic-y += current.h generic-y += early_ioremap.h generic-y += emergency-restart.h -generic-y += errno.h generic-y += exec.h -generic-y += ioctl.h -generic-y += ipcbuf.h +generic-y += extable.h generic-y += irq_regs.h generic-y += kdebug.h generic-y += local.h generic-y += local64.h generic-y += mm-arch-hooks.h -generic-y += msgbuf.h generic-y += msi.h -generic-y += param.h generic-y += parport.h -generic-y += poll.h generic-y += preempt.h -generic-y += resource.h generic-y += rwsem.h generic-y += seccomp.h generic-y += segment.h -generic-y += sembuf.h generic-y += serial.h -generic-y += shmbuf.h -generic-y += siginfo.h generic-y += simd.h generic-y += sizes.h -generic-y += socket.h -generic-y += sockios.h -generic-y += termbits.h -generic-y += termios.h generic-y += timex.h generic-y += trace_clock.h generic-y += unaligned.h diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index 68b06f9c65de..ad301f107dd2 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -87,6 +87,8 @@ #define CALGN(code...) #endif +#define IMM12_MASK 0xfff + /* * Enable and disable interrupts */ diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h index e943e6cee254..f308c8c40cb9 100644 --- a/arch/arm/include/asm/bitops.h +++ b/arch/arm/include/asm/bitops.h @@ -159,16 +159,16 @@ extern int _test_and_change_bit(int nr, volatile unsigned long * p); /* * Little endian assembly bitops. nr = 0 -> byte 0 bit 0. */ -extern int _find_first_zero_bit_le(const void * p, unsigned size); -extern int _find_next_zero_bit_le(const void * p, int size, int offset); +extern int _find_first_zero_bit_le(const unsigned long *p, unsigned size); +extern int _find_next_zero_bit_le(const unsigned long *p, int size, int offset); extern int _find_first_bit_le(const unsigned long *p, unsigned size); extern int _find_next_bit_le(const unsigned long *p, int size, int offset); /* * Big endian assembly bitops. nr = 0 -> byte 3 bit 0. */ -extern int _find_first_zero_bit_be(const void * p, unsigned size); -extern int _find_next_zero_bit_be(const void * p, int size, int offset); +extern int _find_first_zero_bit_be(const unsigned long *p, unsigned size); +extern int _find_next_zero_bit_be(const unsigned long *p, int size, int offset); extern int _find_first_bit_be(const unsigned long *p, unsigned size); extern int _find_next_bit_be(const unsigned long *p, int size, int offset); diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h index 4e6e88a6b2f4..2244a94ed9c9 100644 --- a/arch/arm/include/asm/bug.h +++ b/arch/arm/include/asm/bug.h @@ -37,7 +37,7 @@ do { \ ".pushsection .rodata.str, \"aMS\", %progbits, 1\n" \ "2:\t.asciz " #__file "\n" \ ".popsection\n" \ - ".pushsection __bug_table,\"a\"\n" \ + ".pushsection __bug_table,\"aw\"\n" \ ".align 2\n" \ "3:\t.word 1b, 2b\n" \ "\t.hword " #__line ", 0\n" \ diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index bdd283bc5842..74504b154256 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -116,7 +116,7 @@ struct cpu_cache_fns { void (*dma_unmap_area)(const void *, size_t, int); void (*dma_flush_range)(const void *, const void *); -}; +} __no_randomize_layout; /* * Select the calling method @@ -478,26 +478,6 @@ static inline void __sync_cache_range_r(volatile void *p, size_t size) : : : "r0","r1","r2","r3","r4","r5","r6","r7", \ "r9","r10","lr","memory" ) -#ifdef CONFIG_MMU -int set_memory_ro(unsigned long addr, int numpages); -int set_memory_rw(unsigned long addr, int numpages); -int set_memory_x(unsigned long addr, int numpages); -int set_memory_nx(unsigned long addr, int numpages); -#else -static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } -static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } -static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } -static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } -#endif - -#ifdef CONFIG_DEBUG_RODATA -void set_kernel_text_rw(void); -void set_kernel_text_ro(void); -#else -static inline void set_kernel_text_rw(void) { } -static inline void set_kernel_text_ro(void) { } -#endif - void flush_uprobe_xol_access(struct page *page, unsigned long uaddr, void *kaddr, unsigned long len); diff --git a/arch/arm/include/asm/cpufeature.h b/arch/arm/include/asm/cpufeature.h new file mode 100644 index 000000000000..6d425191d01d --- /dev/null +++ b/arch/arm/include/asm/cpufeature.h @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2017 Linaro Ltd. <[email protected]> + * + * 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. + */ + +#ifndef __ASM_CPUFEATURE_H +#define __ASM_CPUFEATURE_H + +#include <linux/log2.h> +#include <asm/hwcap.h> + +/* + * Due to the fact that ELF_HWCAP is a 32-bit type on ARM, and given the number + * of optional CPU features it defines, ARM's CPU hardware capability bits have + * been distributed over separate elf_hwcap and elf_hwcap2 variables, each of + * which covers a subset of the available CPU features. + * + * Currently, only a few of those are suitable for automatic module loading + * (which is the primary use case of this facility) and those happen to be all + * covered by HWCAP2. So let's only cover those via the cpu_feature() + * convenience macro for now (which is used by module_cpu_feature_match()). + * However, all capabilities are exposed via the modalias, and can be matched + * using an explicit MODULE_DEVICE_TABLE() that uses __hwcap_feature() directly. + */ +#define MAX_CPU_FEATURES 64 +#define __hwcap_feature(x) ilog2(HWCAP_ ## x) +#define __hwcap2_feature(x) (32 + ilog2(HWCAP2_ ## x)) +#define cpu_feature(x) __hwcap2_feature(x) + +static inline bool cpu_have_feature(unsigned int num) +{ + return num < 32 ? elf_hwcap & BIT(num) : elf_hwcap2 & BIT(num - 32); +} + +#endif diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h index 4111592f0130..3234fe9bba6e 100644 --- a/arch/arm/include/asm/device.h +++ b/arch/arm/include/asm/device.h @@ -7,7 +7,6 @@ #define ASMARM_DEVICE_H struct dev_archdata { - struct dma_map_ops *dma_ops; #ifdef CONFIG_DMABOUNCE struct dmabounce_device_info *dmabounce; #endif @@ -17,7 +16,11 @@ struct dev_archdata { #ifdef CONFIG_ARM_DMA_USE_IOMMU struct dma_iommu_mapping *mapping; #endif - bool dma_coherent; +#ifdef CONFIG_XEN + const struct dma_map_ops *dev_dma_ops; +#endif + unsigned int dma_coherent:1; + unsigned int dma_ops_setup:1; }; struct omap_device; diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h index 2ef282f96651..c090ec675eac 100644 --- a/arch/arm/include/asm/dma-iommu.h +++ b/arch/arm/include/asm/dma-iommu.h @@ -9,6 +9,8 @@ #include <linux/kmemcheck.h> #include <linux/kref.h> +#define ARM_MAPPING_ERROR (~(dma_addr_t)0x0) + struct dma_iommu_mapping { /* iommu specific data */ struct iommu_domain *domain; @@ -33,5 +35,7 @@ int arm_iommu_attach_device(struct device *dev, struct dma_iommu_mapping *mapping); void arm_iommu_detach_device(struct device *dev); +int arm_dma_supported(struct device *dev, u64 mask); + #endif /* __KERNEL__ */ #endif diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index bf02dbd9ccda..4e0285a66ef8 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -12,34 +12,14 @@ #include <xen/xen.h> #include <asm/xen/hypervisor.h> -#define DMA_ERROR_CODE (~(dma_addr_t)0x0) -extern struct dma_map_ops arm_dma_ops; -extern struct dma_map_ops arm_coherent_dma_ops; +extern const struct dma_map_ops arm_dma_ops; +extern const struct dma_map_ops arm_coherent_dma_ops; -static inline struct dma_map_ops *__generic_dma_ops(struct device *dev) +static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { - if (dev && dev->archdata.dma_ops) - return dev->archdata.dma_ops; - return &arm_dma_ops; + return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : &dma_noop_ops; } -static inline struct dma_map_ops *get_dma_ops(struct device *dev) -{ - if (xen_initial_domain()) - return xen_dma_ops; - else - return __generic_dma_ops(dev); -} - -static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops) -{ - BUG_ON(!dev); - dev->archdata.dma_ops = ops; -} - -#define HAVE_ARCH_DMA_SUPPORTED 1 -extern int dma_supported(struct device *dev, u64 mask); - #ifdef __arch_page_to_dma #error Please update to __arch_pfn_to_dma #endif diff --git a/arch/arm/include/asm/dmi.h b/arch/arm/include/asm/dmi.h new file mode 100644 index 000000000000..df2d2ff06f5b --- /dev/null +++ b/arch/arm/include/asm/dmi.h @@ -0,0 +1,19 @@ +/* + * 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. + */ + +#ifndef __ASM_DMI_H +#define __ASM_DMI_H + +#include <linux/io.h> +#include <linux/slab.h> + +#define dmi_early_remap(x, l) memremap(x, l, MEMREMAP_WB) +#define dmi_early_unmap(x, l) memunmap(x) +#define dmi_remap(x, l) memremap(x, l, MEMREMAP_WB) +#define dmi_unmap(x) memunmap(x) +#define dmi_alloc(l) kzalloc(l, GFP_KERNEL) + +#endif diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h index 0b06f5341b45..17f1f1a814ff 100644 --- a/arch/arm/include/asm/efi.h +++ b/arch/arm/include/asm/efi.h @@ -55,6 +55,7 @@ void efi_virtmap_unload(void); #define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__) #define __efi_call_early(f, ...) f(__VA_ARGS__) +#define efi_call_runtime(f, ...) sys_table_arg->runtime->f(__VA_ARGS__) #define efi_is_64bit() (false) #define efi_call_proto(protocol, f, instance, ...) \ @@ -84,6 +85,18 @@ static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt) */ #define ZIMAGE_OFFSET_LIMIT SZ_128M #define MIN_ZIMAGE_OFFSET MAX_UNCOMP_KERNEL_SIZE -#define MAX_FDT_OFFSET ZIMAGE_OFFSET_LIMIT + +/* on ARM, the FDT should be located in the first 128 MB of RAM */ +static inline unsigned long efi_get_max_fdt_addr(unsigned long dram_base) +{ + return dram_base + ZIMAGE_OFFSET_LIMIT; +} + +/* on ARM, the initrd should be loaded in a lowmem region */ +static inline unsigned long efi_get_max_initrd_addr(unsigned long dram_base, + unsigned long image_addr) +{ + return dram_base + SZ_512M; +} #endif /* _ASM_ARM_EFI_H */ diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index d2315ffd8f12..f13ae153fb24 100644 --- a/arch/arm/include/asm/elf.h +++ b/arch/arm/include/asm/elf.h @@ -112,12 +112,8 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs); #define CORE_DUMP_USE_REGSET #define ELF_EXEC_PAGESIZE 4096 -/* This is the location that an ET_DYN program is loaded if exec'ed. Typical - use of this is to invoke "./ld.so someprog" to test out a new version of - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - -#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) +/* This is the base location for PIE (ET_DYN with INTERP) loads. */ +#define ELF_ET_DYN_BASE 0x400000UL /* When the program starts, a1 contains a pointer to a function to be registered with atexit, as per the SVR4 ABI. A value of 0 means we diff --git a/arch/arm/include/asm/fixmap.h b/arch/arm/include/asm/fixmap.h index 5c17d2dec777..8f967d1373f6 100644 --- a/arch/arm/include/asm/fixmap.h +++ b/arch/arm/include/asm/fixmap.h @@ -41,7 +41,7 @@ static const enum fixed_addresses __end_of_fixed_addresses = #define FIXMAP_PAGE_COMMON (L_PTE_YOUNG | L_PTE_PRESENT | L_PTE_XN | L_PTE_DIRTY) -#define FIXMAP_PAGE_NORMAL (FIXMAP_PAGE_COMMON | L_PTE_MT_WRITEBACK) +#define FIXMAP_PAGE_NORMAL (pgprot_kernel | L_PTE_XN) #define FIXMAP_PAGE_RO (FIXMAP_PAGE_NORMAL | L_PTE_RDONLY) /* Used by set_fixmap_(io|nocache), both meant for mapping a device */ diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h index acf1d14b89a6..29d3a1524bce 100644 --- a/arch/arm/include/asm/flat.h +++ b/arch/arm/include/asm/flat.h @@ -5,12 +5,31 @@ #ifndef __ARM_FLAT_H__ #define __ARM_FLAT_H__ +#include <linux/uaccess.h> + #define flat_argvp_envp_on_stack() 1 #define flat_old_ram_flag(flags) (flags) #define flat_reloc_valid(reloc, size) ((reloc) <= (size)) -#define flat_get_addr_from_rp(rp, relval, flags, persistent) \ - ({ unsigned long __val; __get_user_unaligned(__val, rp); __val; }) -#define flat_put_addr_at_rp(rp, val, relval) __put_user_unaligned(val, rp) + +static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags, + u32 *addr, u32 *persistent) +{ +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + return copy_from_user(addr, rp, 4) ? -EFAULT : 0; +#else + return get_user(*addr, rp); +#endif +} + +static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel) +{ +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + return copy_to_user(rp, &addr, 4) ? -EFAULT : 0; +#else + return put_user(addr, rp); +#endif +} + #define flat_get_relocate_addr(rel) (rel) #define flat_set_persistent(relval, p) 0 diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h index 22b73112b75f..f379881d5cc3 100644 --- a/arch/arm/include/asm/ftrace.h +++ b/arch/arm/include/asm/ftrace.h @@ -1,6 +1,10 @@ #ifndef _ASM_ARM_FTRACE #define _ASM_ARM_FTRACE +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS +#define ARCH_SUPPORTS_FTRACE_OPS 1 +#endif + #ifdef CONFIG_FUNCTION_TRACER #define MCOUNT_ADDR ((unsigned long)(__gnu_mcount_nc)) #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ diff --git a/arch/arm/include/asm/hardware/cache-uniphier.h b/arch/arm/include/asm/hardware/cache-uniphier.h index eaa60da7dac3..0ef42ae75b6c 100644 --- a/arch/arm/include/asm/hardware/cache-uniphier.h +++ b/arch/arm/include/asm/hardware/cache-uniphier.h @@ -16,7 +16,7 @@ #ifndef __CACHE_UNIPHIER_H #define __CACHE_UNIPHIER_H -#include <linux/types.h> +#include <linux/errno.h> #ifdef CONFIG_CACHE_UNIPHIER int uniphier_cache_init(void); diff --git a/arch/arm/include/asm/hardware/icst.h b/arch/arm/include/asm/hardware/icst.h deleted file mode 100644 index 794220b087d2..000000000000 --- a/arch/arm/include/asm/hardware/icst.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * arch/arm/include/asm/hardware/icst.h - * - * Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved. - * - * 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. - * - * Support functions for calculating clocks/divisors for the ICST - * clock generators. See http://www.idt.com/ for more information - * on these devices. - */ -#ifndef ASMARM_HARDWARE_ICST_H -#define ASMARM_HARDWARE_ICST_H - -struct icst_params { - unsigned long ref; - unsigned long vco_max; /* inclusive */ - unsigned long vco_min; /* exclusive */ - unsigned short vd_min; /* inclusive */ - unsigned short vd_max; /* inclusive */ - unsigned char rd_min; /* inclusive */ - unsigned char rd_max; /* inclusive */ - const unsigned char *s2div; /* chip specific s2div array */ - const unsigned char *idx2s; /* chip specific idx2s array */ -}; - -struct icst_vco { - unsigned short v; - unsigned char r; - unsigned char s; -}; - -unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco); -struct icst_vco icst_hz_to_vco(const struct icst_params *p, unsigned long freq); - -/* - * ICST307 VCO frequency must be between 6MHz and 200MHz (3.3 or 5V). - * This frequency is pre-output divider. - */ -#define ICST307_VCO_MIN 6000000 -#define ICST307_VCO_MAX 200000000 - -extern const unsigned char icst307_s2div[]; -extern const unsigned char icst307_idx2s[]; - -/* - * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V). - * This frequency is pre-output divider. - */ -#define ICST525_VCO_MIN 10000000 -#define ICST525_VCO_MAX_3V 200000000 -#define ICST525_VCO_MAX_5V 320000000 - -extern const unsigned char icst525_s2div[]; -extern const unsigned char icst525_idx2s[]; - -#endif diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 42871fb8340e..2cfbc531f63b 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -187,6 +187,16 @@ static inline void pci_ioremap_set_mem_type(int mem_type) {} extern int pci_ioremap_io(unsigned int offset, phys_addr_t phys_addr); /* + * PCI configuration space mapping function. + * + * The PCI specification does not allow configuration write + * transactions to be posted. Add an arch specific + * pci_remap_cfgspace() definition that is implemented + * through strongly ordered memory mappings. + */ +#define pci_remap_cfgspace pci_remap_cfgspace +void __iomem *pci_remap_cfgspace(resource_size_t res_cookie, size_t size); +/* * Now, pick up the machine-defined IO definitions */ #ifdef CONFIG_NEED_MACH_IO_H diff --git a/arch/arm/include/asm/kprobes.h b/arch/arm/include/asm/kprobes.h index 3ea9be559726..59655459da59 100644 --- a/arch/arm/include/asm/kprobes.h +++ b/arch/arm/include/asm/kprobes.h @@ -16,6 +16,9 @@ #ifndef _ARM_KPROBES_H #define _ARM_KPROBES_H +#include <asm-generic/kprobes.h> + +#ifdef CONFIG_KPROBES #include <linux/types.h> #include <linux/ptrace.h> #include <linux/notifier.h> @@ -83,4 +86,5 @@ struct arch_optimized_insn { */ }; +#endif /* CONFIG_KPROBES */ #endif /* _ARM_KPROBES_H */ diff --git a/arch/arm/include/asm/kvm_arm.h b/arch/arm/include/asm/kvm_arm.h index e22089fb44dc..ebf020b02bc8 100644 --- a/arch/arm/include/asm/kvm_arm.h +++ b/arch/arm/include/asm/kvm_arm.h @@ -187,6 +187,16 @@ #define FSC_FAULT (0x04) #define FSC_ACCESS (0x08) #define FSC_PERM (0x0c) +#define FSC_SEA (0x10) +#define FSC_SEA_TTW0 (0x14) +#define FSC_SEA_TTW1 (0x15) +#define FSC_SEA_TTW2 (0x16) +#define FSC_SEA_TTW3 (0x17) +#define FSC_SECC (0x18) +#define FSC_SECC_TTW0 (0x1c) +#define FSC_SECC_TTW1 (0x1d) +#define FSC_SECC_TTW2 (0x1e) +#define FSC_SECC_TTW3 (0x1f) /* Hyp Prefetch Fault Address Register (HPFAR/HDFAR) */ #define HPFAR_MASK (~0xf) @@ -209,6 +219,7 @@ #define HSR_EC_IABT_HYP (0x21) #define HSR_EC_DABT (0x24) #define HSR_EC_DABT_HYP (0x25) +#define HSR_EC_MAX (0x3f) #define HSR_WFI_IS_WFE (_AC(1, UL) << 0) diff --git a/arch/arm/include/asm/kvm_asm.h b/arch/arm/include/asm/kvm_asm.h index 8ef05381984b..14d68a4d826f 100644 --- a/arch/arm/include/asm/kvm_asm.h +++ b/arch/arm/include/asm/kvm_asm.h @@ -33,7 +33,7 @@ #define ARM_EXCEPTION_IRQ 5 #define ARM_EXCEPTION_FIQ 6 #define ARM_EXCEPTION_HVC 7 - +#define ARM_EXCEPTION_HYP_GONE HVC_STUB_ERR /* * The rr_lo_hi macro swaps a pair of registers depending on * current endianness. It is used in conjunction with ldrd and strd @@ -72,10 +72,11 @@ extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu); extern void __init_stage2_translation(void); -extern void __kvm_hyp_reset(unsigned long); - extern u64 __vgic_v3_get_ich_vtr_el2(void); +extern u64 __vgic_v3_read_vmcr(void); +extern void __vgic_v3_write_vmcr(u32 vmcr); extern void __vgic_v3_init_lrs(void); + #endif #endif /* __ARM_KVM_ASM_H__ */ diff --git a/arch/arm/include/asm/kvm_coproc.h b/arch/arm/include/asm/kvm_coproc.h index 4917c2f7e459..e74ab0fbab79 100644 --- a/arch/arm/include/asm/kvm_coproc.h +++ b/arch/arm/include/asm/kvm_coproc.h @@ -31,7 +31,8 @@ void kvm_register_target_coproc_table(struct kvm_coproc_target_table *table); int kvm_handle_cp10_id(struct kvm_vcpu *vcpu, struct kvm_run *run); int kvm_handle_cp_0_13_access(struct kvm_vcpu *vcpu, struct kvm_run *run); int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run); -int kvm_handle_cp14_access(struct kvm_vcpu *vcpu, struct kvm_run *run); +int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run); +int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run); int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run); int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run); diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index d5423ab15ed5..127e2dd2e21c 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -30,8 +30,6 @@ #define __KVM_HAVE_ARCH_INTC_INITIALIZED #define KVM_USER_MEM_SLOTS 32 -#define KVM_PRIVATE_MEM_SLOTS 4 -#define KVM_COALESCED_MMIO_PAGE_OFFSET 1 #define KVM_HAVE_ONE_REG #define KVM_HALT_POLL_NS_DEFAULT 500000 @@ -46,7 +44,9 @@ #define KVM_MAX_VCPUS VGIC_V2_MAX_CPUS #endif -#define KVM_REQ_VCPU_EXIT 8 +#define KVM_REQ_SLEEP \ + KVM_ARCH_REQ_FLAGS(0, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP) +#define KVM_REQ_IRQ_PENDING KVM_ARCH_REQ(1) u32 *kvm_vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num, u32 mode); int __attribute_const__ kvm_target_cpu(void); @@ -60,9 +60,6 @@ struct kvm_arch { /* The last vcpu id that ran on each physical CPU */ int __percpu *last_vcpu_ran; - /* Timer */ - struct arch_timer_kvm timer; - /* * Anything that is not used directly from assembly code goes * here. @@ -238,8 +235,6 @@ struct kvm_vcpu *kvm_arm_get_running_vcpu(void); struct kvm_vcpu __percpu **kvm_get_running_vcpus(void); void kvm_arm_halt_guest(struct kvm *kvm); void kvm_arm_resume_guest(struct kvm *kvm); -void kvm_arm_halt_vcpu(struct kvm_vcpu *vcpu); -void kvm_arm_resume_vcpu(struct kvm_vcpu *vcpu); int kvm_arm_copy_coproc_indices(struct kvm_vcpu *vcpu, u64 __user *uindices); unsigned long kvm_arm_num_coproc_regs(struct kvm_vcpu *vcpu); @@ -274,12 +269,6 @@ static inline void __cpu_init_stage2(void) kvm_call_hyp(__init_stage2_translation); } -static inline void __cpu_reset_hyp_mode(unsigned long vector_ptr, - phys_addr_t phys_idmap_start) -{ - kvm_call_hyp((void *)virt_to_idmap(__kvm_hyp_reset), vector_ptr); -} - static inline int kvm_arch_dev_ioctl_check_extension(struct kvm *kvm, long ext) { return 0; @@ -302,20 +291,12 @@ static inline void kvm_arm_init_debug(void) {} static inline void kvm_arm_setup_debug(struct kvm_vcpu *vcpu) {} static inline void kvm_arm_clear_debug(struct kvm_vcpu *vcpu) {} static inline void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu) {} -static inline int kvm_arm_vcpu_arch_set_attr(struct kvm_vcpu *vcpu, - struct kvm_device_attr *attr) -{ - return -ENXIO; -} -static inline int kvm_arm_vcpu_arch_get_attr(struct kvm_vcpu *vcpu, - struct kvm_device_attr *attr) -{ - return -ENXIO; -} -static inline int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu, - struct kvm_device_attr *attr) -{ - return -ENXIO; -} + +int kvm_arm_vcpu_arch_set_attr(struct kvm_vcpu *vcpu, + struct kvm_device_attr *attr); +int kvm_arm_vcpu_arch_get_attr(struct kvm_vcpu *vcpu, + struct kvm_device_attr *attr); +int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu, + struct kvm_device_attr *attr); #endif /* __ARM_KVM_HOST_H__ */ diff --git a/arch/arm/include/asm/kvm_hyp.h b/arch/arm/include/asm/kvm_hyp.h index 58508900c4bb..14b5903f0224 100644 --- a/arch/arm/include/asm/kvm_hyp.h +++ b/arch/arm/include/asm/kvm_hyp.h @@ -110,8 +110,8 @@ void __sysreg_restore_state(struct kvm_cpu_context *ctxt); void __vgic_v3_save_state(struct kvm_vcpu *vcpu); void __vgic_v3_restore_state(struct kvm_vcpu *vcpu); -void asmlinkage __vfp_save_state(struct vfp_hard_struct *vfp); -void asmlinkage __vfp_restore_state(struct vfp_hard_struct *vfp); +asmlinkage void __vfp_save_state(struct vfp_hard_struct *vfp); +asmlinkage void __vfp_restore_state(struct vfp_hard_struct *vfp); static inline bool __vfp_enabled(void) { return !(read_sysreg(HCPTR) & (HCPTR_TCP(11) | HCPTR_TCP(10))); @@ -120,8 +120,8 @@ static inline bool __vfp_enabled(void) void __hyp_text __banked_save_state(struct kvm_cpu_context *ctxt); void __hyp_text __banked_restore_state(struct kvm_cpu_context *ctxt); -int asmlinkage __guest_enter(struct kvm_vcpu *vcpu, +asmlinkage int __guest_enter(struct kvm_vcpu *vcpu, struct kvm_cpu_context *host); -int asmlinkage __hyp_do_panic(const char *, int, u32); +asmlinkage int __hyp_do_panic(const char *, int, u32); #endif /* __ARM_KVM_HYP_H__ */ diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h index 74a44727f8e1..fa6f2174276b 100644 --- a/arch/arm/include/asm/kvm_mmu.h +++ b/arch/arm/include/asm/kvm_mmu.h @@ -56,7 +56,6 @@ void kvm_mmu_free_memory_caches(struct kvm_vcpu *vcpu); phys_addr_t kvm_mmu_get_httbr(void); phys_addr_t kvm_get_idmap_vector(void); -phys_addr_t kvm_get_idmap_start(void); int kvm_mmu_init(void); void kvm_clear_hyp_idmap(void); @@ -129,8 +128,7 @@ static inline bool vcpu_has_cache_enabled(struct kvm_vcpu *vcpu) static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, kvm_pfn_t pfn, - unsigned long size, - bool ipa_uncached) + unsigned long size) { /* * If we are going to insert an instruction page and the icache is @@ -150,18 +148,12 @@ static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, * and iterate over the range. */ - bool need_flush = !vcpu_has_cache_enabled(vcpu) || ipa_uncached; - VM_BUG_ON(size & ~PAGE_MASK); - if (!need_flush && !icache_is_pipt()) - goto vipt_cache; - while (size) { void *va = kmap_atomic_pfn(pfn); - if (need_flush) - kvm_flush_dcache_to_poc(va, PAGE_SIZE); + kvm_flush_dcache_to_poc(va, PAGE_SIZE); if (icache_is_pipt()) __cpuc_coherent_user_range((unsigned long)va, @@ -173,7 +165,6 @@ static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, kunmap_atomic(va); } -vipt_cache: if (!icache_is_pipt() && !icache_is_vivt_asid_tagged()) { /* any kind of VIPT cache */ __flush_icache_all(); diff --git a/arch/arm/include/asm/mach/flash.h b/arch/arm/include/asm/mach/flash.h index 4ca69fe2c850..bada3f845a97 100644 --- a/arch/arm/include/asm/mach/flash.h +++ b/arch/arm/include/asm/mach/flash.h @@ -22,7 +22,7 @@ struct mtd_info; * set_vpp: method called to enable or disable VPP * mmcontrol: method called to enable or disable Sync. Burst Read in OneNAND * parts: optional array of mtd_partitions for static partitioning - * nr_parts: number of mtd_partitions for static partitoning + * nr_parts: number of mtd_partitions for static partitioning */ struct flash_platform_data { const char *map_name; diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index 2d88af5be45f..233b4b50eff3 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -16,6 +16,7 @@ struct pci_sys_data; struct pci_ops; struct pci_bus; +struct pci_host_bridge; struct device; struct hw_pci { @@ -25,7 +26,7 @@ struct hw_pci { unsigned int io_optional:1; void **private_data; int (*setup)(int nr, struct pci_sys_data *); - struct pci_bus *(*scan)(int nr, struct pci_sys_data *); + int (*scan)(int nr, struct pci_host_bridge *); void (*preinit)(void); void (*postinit)(void); u8 (*swizzle)(struct pci_dev *dev, u8 *pin); diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 76cbd9c674df..1f54e4e98c1e 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -83,8 +83,15 @@ #define IOREMAP_MAX_ORDER 24 #endif +#define VECTORS_BASE UL(0xffff0000) + #else /* CONFIG_MMU */ +#ifndef __ASSEMBLY__ +extern unsigned long vectors_base; +#define VECTORS_BASE vectors_base +#endif + /* * The limitation of user task size can grow up to the end of free ram region. * It is difficult to define and perhaps will never meet the original meaning @@ -111,6 +118,13 @@ #endif /* !CONFIG_MMU */ +#ifdef CONFIG_XIP_KERNEL +#define KERNEL_START _sdata +#else +#define KERNEL_START _stext +#endif +#define KERNEL_END _end + /* * We fix the TCM memories max 32 KiB ITCM resp DTCM at these * locations @@ -206,7 +220,7 @@ extern const void *__pv_table_begin, *__pv_table_end; : "r" (x), "I" (__PV_BITS_31_24) \ : "cc") -static inline phys_addr_t __virt_to_phys(unsigned long x) +static inline phys_addr_t __virt_to_phys_nodebug(unsigned long x) { phys_addr_t t; @@ -238,7 +252,7 @@ static inline unsigned long __phys_to_virt(phys_addr_t x) #define PHYS_OFFSET PLAT_PHYS_OFFSET #define PHYS_PFN_OFFSET ((unsigned long)(PHYS_OFFSET >> PAGE_SHIFT)) -static inline phys_addr_t __virt_to_phys(unsigned long x) +static inline phys_addr_t __virt_to_phys_nodebug(unsigned long x) { return (phys_addr_t)x - PAGE_OFFSET + PHYS_OFFSET; } @@ -254,6 +268,16 @@ static inline unsigned long __phys_to_virt(phys_addr_t x) ((((unsigned long)(kaddr) - PAGE_OFFSET) >> PAGE_SHIFT) + \ PHYS_PFN_OFFSET) +#define __pa_symbol_nodebug(x) __virt_to_phys_nodebug((x)) + +#ifdef CONFIG_DEBUG_VIRTUAL +extern phys_addr_t __virt_to_phys(unsigned long x); +extern phys_addr_t __phys_addr_symbol(unsigned long x); +#else +#define __virt_to_phys(x) __virt_to_phys_nodebug(x) +#define __phys_addr_symbol(x) __pa_symbol_nodebug(x) +#endif + /* * These are *only* valid on the kernel direct mapped RAM memory. * Note: Drivers should NOT use these. They are the wrong @@ -276,6 +300,7 @@ static inline void *phys_to_virt(phys_addr_t x) * Drivers should NOT use these either. */ #define __pa(x) __virt_to_phys((unsigned long)(x)) +#define __pa_symbol(x) __phys_addr_symbol(RELOC_HIDE((unsigned long)(x), 0)) #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x))) #define pfn_to_kaddr(pfn) __va((phys_addr_t)(pfn) << PAGE_SHIFT) diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h index 3cc14dd8587c..7f303295ef19 100644 --- a/arch/arm/include/asm/mmu_context.h +++ b/arch/arm/include/asm/mmu_context.h @@ -15,7 +15,9 @@ #include <linux/compiler.h> #include <linux/sched.h> +#include <linux/mm_types.h> #include <linux/preempt.h> + #include <asm/cacheflush.h> #include <asm/cachetype.h> #include <asm/proc-fns.h> diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h index 464748b9fd7d..ed2319663a1e 100644 --- a/arch/arm/include/asm/module.h +++ b/arch/arm/include/asm/module.h @@ -18,13 +18,18 @@ enum { }; #endif +struct mod_plt_sec { + struct elf32_shdr *plt; + int plt_count; +}; + struct mod_arch_specific { #ifdef CONFIG_ARM_UNWIND struct unwind_table *unwind[ARM_SEC_MAX]; #endif #ifdef CONFIG_ARM_MODULE_PLTS - struct elf32_shdr *plt; - int plt_count; + struct mod_plt_sec core; + struct mod_plt_sec init; #endif }; diff --git a/arch/arm/include/asm/page-nommu.h b/arch/arm/include/asm/page-nommu.h index 503f488053de..8f2c47bec375 100644 --- a/arch/arm/include/asm/page-nommu.h +++ b/arch/arm/include/asm/page-nommu.h @@ -11,12 +11,6 @@ #ifndef _ASMARM_PAGE_NOMMU_H #define _ASMARM_PAGE_NOMMU_H -#if !defined(CONFIG_SMALL_TASKS) && PAGE_SHIFT < 13 -#define KTHREAD_SIZE (8192) -#else -#define KTHREAD_SIZE PAGE_SIZE -#endif - #define clear_page(page) memset((page), 0, PAGE_SIZE) #define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h index 057d381f4e57..396c92bcc0cf 100644 --- a/arch/arm/include/asm/pci.h +++ b/arch/arm/include/asm/pci.h @@ -29,8 +29,7 @@ static inline int pci_proc_domain(struct pci_bus *bus) #define PCI_DMA_BUS_IS_PHYS (1) #define HAVE_PCI_MMAP -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); +#define ARCH_GENERIC_PCI_MMAP_RESOURCE static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h index add094d09e3e..a0d726a47c8a 100644 --- a/arch/arm/include/asm/pgtable-nommu.h +++ b/arch/arm/include/asm/pgtable-nommu.h @@ -63,9 +63,10 @@ typedef pte_t *pte_addr_t; /* * Mark the prot value as uncacheable and unbufferable. */ -#define pgprot_noncached(prot) __pgprot(0) -#define pgprot_writecombine(prot) __pgprot(0) -#define pgprot_dmacoherent(prot) __pgprot(0) +#define pgprot_noncached(prot) (prot) +#define pgprot_writecombine(prot) (prot) +#define pgprot_dmacoherent(prot) (prot) +#define pgprot_device(prot) (prot) /* diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index a8d656d9aec7..1c462381c225 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -20,6 +20,7 @@ #else +#define __ARCH_USE_5LEVEL_HACK #include <asm-generic/pgtable-nopud.h> #include <asm/memory.h> #include <asm/pgtable-hwdef.h> diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h index 8877ad5ffe10..f2e1af45bd6f 100644 --- a/arch/arm/include/asm/proc-fns.h +++ b/arch/arm/include/asm/proc-fns.h @@ -43,7 +43,7 @@ extern struct processor { /* * Special stuff for a reset */ - void (*reset)(unsigned long addr) __attribute__((noreturn)); + void (*reset)(unsigned long addr, bool hvc) __attribute__((noreturn)); /* * Idle the processor */ @@ -88,7 +88,7 @@ extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte); #else extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext); #endif -extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); +extern void cpu_reset(unsigned long addr, bool hvc) __attribute__((noreturn)); /* These three are private to arch/arm/kernel/suspend.c */ extern void cpu_do_suspend(void *); diff --git a/arch/arm/include/asm/set_memory.h b/arch/arm/include/asm/set_memory.h new file mode 100644 index 000000000000..5aa4315abe91 --- /dev/null +++ b/arch/arm/include/asm/set_memory.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 1999-2002 Russell King + * + * 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. + */ + +#ifndef _ASMARM_SET_MEMORY_H +#define _ASMARM_SET_MEMORY_H + +#ifdef CONFIG_MMU +int set_memory_ro(unsigned long addr, int numpages); +int set_memory_rw(unsigned long addr, int numpages); +int set_memory_x(unsigned long addr, int numpages); +int set_memory_nx(unsigned long addr, int numpages); +#else +static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } +#endif + +#ifdef CONFIG_STRICT_KERNEL_RWX +void set_kernel_text_rw(void); +void set_kernel_text_ro(void); +#else +static inline void set_kernel_text_rw(void) { } +static inline void set_kernel_text_ro(void) { } +#endif + +#endif diff --git a/arch/arm/include/asm/system_misc.h b/arch/arm/include/asm/system_misc.h index a3d61ad984af..8c4a89f5ce7d 100644 --- a/arch/arm/include/asm/system_misc.h +++ b/arch/arm/include/asm/system_misc.h @@ -22,6 +22,11 @@ extern void (*arm_pm_idle)(void); extern unsigned int user_debug; +static inline int handle_guest_sea(phys_addr_t addr, unsigned int esr) +{ + return -1; +} + #endif /* !__ASSEMBLY__ */ #endif /* __ASM_ARM_SYSTEM_MISC_H */ diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h index def9e570199f..1897b5196fb5 100644 --- a/arch/arm/include/asm/tlbflush.h +++ b/arch/arm/include/asm/tlbflush.h @@ -10,6 +10,10 @@ #ifndef _ASMARM_TLBFLUSH_H #define _ASMARM_TLBFLUSH_H +#ifndef __ASSEMBLY__ +# include <linux/mm_types.h> +#endif + #ifdef CONFIG_MMU #include <asm/glue.h> @@ -644,9 +648,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, #elif defined(CONFIG_SMP) /* !CONFIG_MMU */ #ifndef __ASSEMBLY__ - -#include <linux/mm_types.h> - static inline void local_flush_tlb_all(void) { } static inline void local_flush_tlb_mm(struct mm_struct *mm) { } static inline void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr) { } diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index 1f59ea051bab..0bf2347495f1 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -12,42 +12,12 @@ * User space memory access functions */ #include <linux/string.h> -#include <linux/thread_info.h> -#include <asm/errno.h> #include <asm/memory.h> #include <asm/domain.h> #include <asm/unified.h> #include <asm/compiler.h> -#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS -#include <asm-generic/uaccess-unaligned.h> -#else -#define __get_user_unaligned __get_user -#define __put_user_unaligned __put_user -#endif - -#define VERIFY_READ 0 -#define VERIFY_WRITE 1 - -/* - * The exception table consists of pairs of addresses: the first is the - * address of an instruction that is allowed to fault, and the second is - * the address at which the program should continue. No registers are - * modified, so it is entirely up to the continuation code to figure out - * what to do. - * - * All the routines below use bits of fixup code that are out of line - * with the main instruction path. This means when everything is well, - * we don't even have to jump over them. Further, they do not intrude - * on our cache or tlb entries. - */ - -struct exception_table_entry -{ - unsigned long insn, fixup; -}; - -extern int fixup_exception(struct pt_regs *regs); +#include <asm/extable.h> /* * These two functions allow hooking accesses to userspace to increase @@ -271,7 +241,7 @@ static inline void set_fs(mm_segment_t fs) #define access_ok(type, addr, size) (__range_ok(addr, size) == 0) #define user_addr_max() \ - (segment_eq(get_fs(), KERNEL_DS) ? ~0UL : get_fs()) + (uaccess_kernel() ? ~0UL : get_fs()) /* * The "__xxx" versions of the user access functions do not verify the @@ -478,11 +448,10 @@ extern unsigned long __must_check arm_copy_from_user(void *to, const void __user *from, unsigned long n); static inline unsigned long __must_check -__copy_from_user(void *to, const void __user *from, unsigned long n) +raw_copy_from_user(void *to, const void __user *from, unsigned long n) { unsigned int __ua_flags; - check_object_size(to, n, false); __ua_flags = uaccess_save_and_enable(); n = arm_copy_from_user(to, from, n); uaccess_restore(__ua_flags); @@ -495,18 +464,15 @@ extern unsigned long __must_check __copy_to_user_std(void __user *to, const void *from, unsigned long n); static inline unsigned long __must_check -__copy_to_user(void __user *to, const void *from, unsigned long n) +raw_copy_to_user(void __user *to, const void *from, unsigned long n) { #ifndef CONFIG_UACCESS_WITH_MEMCPY unsigned int __ua_flags; - - check_object_size(from, n, true); __ua_flags = uaccess_save_and_enable(); n = arm_copy_to_user(to, from, n); uaccess_restore(__ua_flags); return n; #else - check_object_size(from, n, true); return arm_copy_to_user(to, from, n); #endif } @@ -526,30 +492,22 @@ __clear_user(void __user *addr, unsigned long n) } #else -#define __copy_from_user(to, from, n) (memcpy(to, (void __force *)from, n), 0) -#define __copy_to_user(to, from, n) (memcpy((void __force *)to, from, n), 0) -#define __clear_user(addr, n) (memset((void __force *)addr, 0, n), 0) -#endif - -static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) +static inline unsigned long +raw_copy_from_user(void *to, const void __user *from, unsigned long n) { - unsigned long res = n; - if (likely(access_ok(VERIFY_READ, from, n))) - res = __copy_from_user(to, from, n); - if (unlikely(res)) - memset(to + (n - res), 0, res); - return res; + memcpy(to, (const void __force *)from, n); + return 0; } - -static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) +static inline unsigned long +raw_copy_to_user(void __user *to, const void *from, unsigned long n) { - if (access_ok(VERIFY_WRITE, to, n)) - n = __copy_to_user(to, from, n); - return n; + memcpy((void __force *)to, from, n); + return 0; } - -#define __copy_to_user_inatomic __copy_to_user -#define __copy_from_user_inatomic __copy_from_user +#define __clear_user(addr, n) (memset((void __force *)addr, 0, n), 0) +#endif +#define INLINE_COPY_TO_USER +#define INLINE_COPY_FROM_USER static inline unsigned long __must_check clear_user(void __user *to, unsigned long n) { @@ -561,7 +519,6 @@ static inline unsigned long __must_check clear_user(void __user *to, unsigned lo /* These are from lib/ code, and use __get_user() and friends */ extern long strncpy_from_user(char *dest, const char __user *src, long count); -extern __must_check long strlen_user(const char __user *str); extern __must_check long strnlen_user(const char __user *str, long n); #endif /* _ASMARM_UACCESS_H */ diff --git a/arch/arm/include/asm/virt.h b/arch/arm/include/asm/virt.h index 6dae1956c74d..141144f333a2 100644 --- a/arch/arm/include/asm/virt.h +++ b/arch/arm/include/asm/virt.h @@ -53,7 +53,7 @@ static inline void sync_boot_mode(void) } void __hyp_set_vectors(unsigned long phys_vector_base); -unsigned long __hyp_get_vectors(void); +void __hyp_reset_vectors(void); #else #define __boot_cpu_mode (SVC_MODE) #define sync_boot_mode() @@ -94,6 +94,18 @@ extern char __hyp_text_start[]; extern char __hyp_text_end[]; #endif +#else + +/* Only assembly code should need those */ + +#define HVC_SET_VECTORS 0 +#define HVC_SOFT_RESTART 1 +#define HVC_RESET_VECTORS 2 + +#define HVC_STUB_HCALL_NR 3 + #endif /* __ASSEMBLY__ */ +#define HVC_STUB_ERR 0xbadca11 + #endif /* ! VIRT_H */ diff --git a/arch/arm/include/asm/xen/events.h b/arch/arm/include/asm/xen/events.h index 71e473d05fcc..620dc75362e5 100644 --- a/arch/arm/include/asm/xen/events.h +++ b/arch/arm/include/asm/xen/events.h @@ -16,7 +16,7 @@ static inline int xen_irqs_disabled(struct pt_regs *regs) return raw_irqs_disabled_flags(regs->ARM_cpsr); } -#define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((ptr), \ +#define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((long long*)(ptr),\ atomic64_t, \ counter), (val)) diff --git a/arch/arm/include/debug/brcmstb.S b/arch/arm/include/debug/brcmstb.S index 9113d7b33ae0..52aaed2b936f 100644 --- a/arch/arm/include/debug/brcmstb.S +++ b/arch/arm/include/debug/brcmstb.S @@ -22,7 +22,8 @@ #define UARTA_3390 REG_PHYS_ADDR(0x40a900) #define UARTA_7250 REG_PHYS_ADDR(0x40b400) -#define UARTA_7268 REG_PHYS_ADDR(0x40c000) +#define UARTA_7260 REG_PHYS_ADDR(0x40c000) +#define UARTA_7268 UARTA_7260 #define UARTA_7271 UARTA_7268 #define UARTA_7364 REG_PHYS_ADDR(0x40b000) #define UARTA_7366 UARTA_7364 @@ -62,13 +63,14 @@ /* Chip specific detection starts here */ 20: checkuart(\rp, \rv, 0x33900000, 3390) 21: checkuart(\rp, \rv, 0x72500000, 7250) -22: checkuart(\rp, \rv, 0x72680000, 7268) -23: checkuart(\rp, \rv, 0x72710000, 7271) -24: checkuart(\rp, \rv, 0x73640000, 7364) -25: checkuart(\rp, \rv, 0x73660000, 7366) -26: checkuart(\rp, \rv, 0x07437100, 74371) -27: checkuart(\rp, \rv, 0x74390000, 7439) -28: checkuart(\rp, \rv, 0x74450000, 7445) +22: checkuart(\rp, \rv, 0x72600000, 7260) +23: checkuart(\rp, \rv, 0x72680000, 7268) +24: checkuart(\rp, \rv, 0x72710000, 7271) +25: checkuart(\rp, \rv, 0x73640000, 7364) +26: checkuart(\rp, \rv, 0x73660000, 7366) +27: checkuart(\rp, \rv, 0x07437100, 74371) +28: checkuart(\rp, \rv, 0x74390000, 7439) +29: checkuart(\rp, \rv, 0x74450000, 7445) /* No valid UART found */ 90: mov \rp, #0 diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild index 46a76cd6acb6..8e17fe80b55b 100644 --- a/arch/arm/include/uapi/asm/Kbuild +++ b/arch/arm/include/uapi/asm/Kbuild @@ -1,23 +1,22 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm -header-y += auxvec.h -header-y += byteorder.h -header-y += fcntl.h -header-y += hwcap.h -header-y += ioctls.h -header-y += kvm_para.h -header-y += mman.h -header-y += perf_regs.h -header-y += posix_types.h -header-y += ptrace.h -header-y += setup.h -header-y += sigcontext.h -header-y += signal.h -header-y += stat.h -header-y += statfs.h -header-y += swab.h -header-y += unistd.h -genhdr-y += unistd-common.h -genhdr-y += unistd-oabi.h -genhdr-y += unistd-eabi.h +generated-y += unistd-common.h +generated-y += unistd-oabi.h +generated-y += unistd-eabi.h + +generic-y += bitsperlong.h +generic-y += errno.h +generic-y += ioctl.h +generic-y += ipcbuf.h +generic-y += msgbuf.h +generic-y += param.h +generic-y += poll.h +generic-y += resource.h +generic-y += sembuf.h +generic-y += shmbuf.h +generic-y += siginfo.h +generic-y += socket.h +generic-y += sockios.h +generic-y += termbits.h +generic-y += termios.h diff --git a/arch/arm/include/uapi/asm/kvm.h b/arch/arm/include/uapi/asm/kvm.h index af05f8e0903e..5db2d4c6a55f 100644 --- a/arch/arm/include/uapi/asm/kvm.h +++ b/arch/arm/include/uapi/asm/kvm.h @@ -27,6 +27,8 @@ #define __KVM_HAVE_IRQ_LINE #define __KVM_HAVE_READONLY_MEM +#define KVM_COALESCED_MMIO_PAGE_OFFSET 1 + #define KVM_REG_SIZE(id) \ (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) @@ -114,6 +116,8 @@ struct kvm_debug_exit_arch { }; struct kvm_sync_regs { + /* Used with KVM_CAP_ARM_USER_IRQ */ + __u64 device_irq_level; }; struct kvm_arch_memory_slot { @@ -181,11 +185,36 @@ struct kvm_arch_memory_slot { #define KVM_DEV_ARM_VGIC_GRP_CPU_REGS 2 #define KVM_DEV_ARM_VGIC_CPUID_SHIFT 32 #define KVM_DEV_ARM_VGIC_CPUID_MASK (0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT) +#define KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT 32 +#define KVM_DEV_ARM_VGIC_V3_MPIDR_MASK \ + (0xffffffffULL << KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT) #define KVM_DEV_ARM_VGIC_OFFSET_SHIFT 0 #define KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT) +#define KVM_DEV_ARM_VGIC_SYSREG_INSTR_MASK (0xffff) #define KVM_DEV_ARM_VGIC_GRP_NR_IRQS 3 #define KVM_DEV_ARM_VGIC_GRP_CTRL 4 -#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 +#define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5 +#define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6 +#define KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO 7 +#define KVM_DEV_ARM_VGIC_GRP_ITS_REGS 8 +#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT 10 +#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK \ + (0x3fffffULL << KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT) +#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff +#define VGIC_LEVEL_INFO_LINE_LEVEL 0 + +/* Device Control API on vcpu fd */ +#define KVM_ARM_VCPU_PMU_V3_CTRL 0 +#define KVM_ARM_VCPU_PMU_V3_IRQ 0 +#define KVM_ARM_VCPU_PMU_V3_INIT 1 +#define KVM_ARM_VCPU_TIMER_CTRL 1 +#define KVM_ARM_VCPU_TIMER_IRQ_VTIMER 0 +#define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1 + +#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 +#define KVM_DEV_ARM_ITS_SAVE_TABLES 1 +#define KVM_DEV_ARM_ITS_RESTORE_TABLES 2 +#define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3 /* KVM_IRQ_LINE irq field index values */ #define KVM_ARM_IRQ_TYPE_SHIFT 24 |