mirror of
https://github.com/torvalds/linux
synced 2024-09-20 11:07:02 +00:00
score: update inconsistent declare after .c was changed
This commit is contained in:
Chen Liqin
parent
d8aa899bb2
commit
ffa818b4b0
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@ -20,4 +20,6 @@
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#define IRQ_TIMER (7) /* Timer IRQ number of SPCT6600 */
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extern void interrupt_exception_vector(void);
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#endif /* _ASM_SCORE_IRQ_H */
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@ -1,6 +1,11 @@
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#ifndef _ASM_SCORE_IRQ_REGS_H
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#define _ASM_SCORE_IRQ_REGS_H
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#include <asm-generic/irq_regs.h>
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#include <linux/thread_info.h>
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static inline struct pt_regs *get_irq_regs(void)
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{
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return current_thread_info()->regs;
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}
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#endif /* _ASM_SCORE_IRQ_REGS_H */
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@ -1,4 +1,7 @@
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#ifndef _ASM_SCORE_LINKAGE_H
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#define _ASM_SCORE_LINKAGE_H
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#define __ALIGN .align 2
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#define __ALIGN_STR ".align 2"
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#endif /* _ASM_SCORE_LINKAGE_H */
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@ -57,8 +57,8 @@ extern unsigned long max_low_pfn;
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extern unsigned long min_low_pfn;
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extern unsigned long max_pfn;
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#define __pa(vaddr) ((unsigned long) (vaddr))
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#define __va(paddr) ((void *) (paddr))
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#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET)
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#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
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#define phys_to_pfn(phys) (PFN_DOWN(phys))
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#define pfn_to_phys(pfn) (PFN_PHYS(pfn))
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@ -72,7 +72,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
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__free_pages(pte, PTE_ORDER);
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}
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#define __pte_free_tlb(tlb, pte) \
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#define __pte_free_tlb(tlb, pte, buf) \
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do { \
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pgtable_page_dtor(pte); \
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tlb_remove_page((tlb), pte); \
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@ -106,7 +106,8 @@ static inline void pmd_clear(pmd_t *pmdp)
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((swp_entry_t) { pte_val(pte)})
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#define __swp_entry_to_pte(x) ((pte_t) {(x).val})
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#define pmd_page(pmd) virt_to_page(__va(pmd_val(pmd)))
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#define pmd_phys(pmd) __pa((void *)pmd_val(pmd))
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#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
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#define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot)
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static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
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@ -129,14 +130,11 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
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#define pgd_clear(pgdp) do { } while (0)
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#define kern_addr_valid(addr) (1)
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#define pmd_offset(a, b) ((void *) 0)
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#define pmd_page_vaddr(pmd) pmd_val(pmd)
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#define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL))
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#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
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#define pud_offset(pgd, address) ((pud_t *) pgd)
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#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_CACHE)
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#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
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_PAGE_CACHE)
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@ -165,15 +163,27 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
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#define __S110 PAGE_SHARED
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#define __S111 PAGE_SHARED
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#define pgprot_noncached(x) (x)
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#define pgprot_noncached pgprot_noncached
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#define __swp_type(x) (0)
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#define __swp_offset(x) (0)
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#define __swp_entry(typ, off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
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static inline pgprot_t pgprot_noncached(pgprot_t _prot)
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{
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unsigned long prot = pgprot_val(_prot);
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#define ZERO_PAGE(vaddr) ({ BUG(); NULL; })
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prot = (prot & ~_CACHE_MASK);
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#define swapper_pg_dir ((pgd_t *) NULL)
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return __pgprot(prot);
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}
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#define __swp_type(x) ((x).val & 0x1f)
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#define __swp_offset(x) ((x).val >> 11)
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#define __swp_entry(type, offset) ((swp_entry_t){(type) | ((offset) << 11)})
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extern unsigned long empty_zero_page;
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extern unsigned long zero_page_mask;
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#define ZERO_PAGE(vaddr) \
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(virt_to_page((void *)(empty_zero_page + \
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(((unsigned long)(vaddr)) & zero_page_mask))))
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#define pgtable_cache_init() do {} while (0)
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@ -248,6 +258,7 @@ static inline pte_t pte_mkyoung(pte_t pte)
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#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
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extern unsigned long pgd_current;
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extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
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extern void paging_init(void);
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static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
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@ -51,9 +51,11 @@
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* system call/exception. As usual the registers k0/k1 aren't being saved.
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*/
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struct pt_regs {
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unsigned long pad0[6];
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unsigned long pad0[6]; /* stack arguments */
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unsigned long orig_r4;
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unsigned long orig_r7;
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long is_syscall;
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unsigned long regs[32];
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unsigned long cel;
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@ -68,12 +70,12 @@ struct pt_regs {
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unsigned long cp0_psr;
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unsigned long cp0_ecr;
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unsigned long cp0_condition;
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long is_syscall;
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};
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#ifdef __KERNEL__
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struct task_struct;
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/*
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* Does the process account for user or for system time?
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*/
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@ -1,27 +1,424 @@
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#ifndef _ASM_SCORE_UACCESS_H
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#define _ASM_SCORE_UACCESS_H
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#ifndef __SCORE_UACCESS_H
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#define __SCORE_UACCESS_H
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/thread_info.h>
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#define VERIFY_READ 0
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#define VERIFY_WRITE 1
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#define get_ds() (KERNEL_DS)
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#define get_fs() (current_thread_info()->addr_limit)
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#define segment_eq(a, b) ((a).seg == (b).seg)
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/*
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* Copyright (C) 2006 Atmark Techno, Inc.
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* Is a address valid? This does a straighforward calculation rather
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* than tests.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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* Address valid if:
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* - "addr" doesn't have any high-bits set
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* - AND "size" doesn't have any high-bits set
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* - AND "addr+size" doesn't have any high-bits set
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* - OR we are in kernel mode.
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*
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* __ua_size() is a trick to avoid runtime checking of positive constant
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* sizes; for those we already know at compile time that the size is ok.
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*/
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struct pt_regs;
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#define __ua_size(size) \
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((__builtin_constant_p(size) && (signed long) (size) > 0) ? 0 : (size))
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/*
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* access_ok: - Checks if a user space pointer is valid
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* @type: Type of access: %VERIFY_READ or %VERIFY_WRITE. Note that
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* %VERIFY_WRITE is a superset of %VERIFY_READ - if it is safe
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* to write to a block, it is always safe to read from it.
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* @addr: User space pointer to start of block to check
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* @size: Size of block to check
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*
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* Context: User context only. This function may sleep.
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*
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* Checks if a pointer to a block of memory in user space is valid.
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*
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* Returns true (nonzero) if the memory block may be valid, false (zero)
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* if it is definitely invalid.
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*
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* Note that, depending on architecture, this function probably just
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* checks that the pointer is in the user space range - after calling
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* this function, memory access functions may still return -EFAULT.
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*/
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#define __access_ok(addr, size) \
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(((long)((get_fs().seg) & \
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((addr) | ((addr) + (size)) | \
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__ua_size(size)))) == 0)
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#define access_ok(type, addr, size) \
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likely(__access_ok((unsigned long)(addr), (size)))
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/*
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* put_user: - Write a simple value into user space.
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* @x: Value to copy to user space.
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* @ptr: Destination address, in user space.
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*
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* Context: User context only. This function may sleep.
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*
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* This macro copies a single simple value from kernel space to user
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* space. It supports simple types like char and int, but not larger
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* data types like structures or arrays.
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*
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* @ptr must have pointer-to-simple-variable type, and @x must be assignable
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* to the result of dereferencing @ptr.
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*
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* Returns zero on success, or -EFAULT on error.
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*/
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#define put_user(x, ptr) __put_user_check((x), (ptr), sizeof(*(ptr)))
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/*
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* get_user: - Get a simple variable from user space.
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* @x: Variable to store result.
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* @ptr: Source address, in user space.
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*
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* Context: User context only. This function may sleep.
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*
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* This macro copies a single simple variable from user space to kernel
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* space. It supports simple types like char and int, but not larger
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* data types like structures or arrays.
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*
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* @ptr must have pointer-to-simple-variable type, and the result of
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* dereferencing @ptr must be assignable to @x without a cast.
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*
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* Returns zero on success, or -EFAULT on error.
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* On error, the variable @x is set to zero.
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*/
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#define get_user(x, ptr) __get_user_check((x), (ptr), sizeof(*(ptr)))
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/*
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* __put_user: - Write a simple value into user space, with less checking.
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* @x: Value to copy to user space.
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* @ptr: Destination address, in user space.
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*
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* Context: User context only. This function may sleep.
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*
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* This macro copies a single simple value from kernel space to user
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* space. It supports simple types like char and int, but not larger
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* data types like structures or arrays.
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*
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* @ptr must have pointer-to-simple-variable type, and @x must be assignable
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* to the result of dereferencing @ptr.
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*
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* Caller must check the pointer with access_ok() before calling this
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* function.
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*
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* Returns zero on success, or -EFAULT on error.
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*/
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#define __put_user(x, ptr) __put_user_nocheck((x), (ptr), sizeof(*(ptr)))
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/*
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* __get_user: - Get a simple variable from user space, with less checking.
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* @x: Variable to store result.
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* @ptr: Source address, in user space.
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*
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* Context: User context only. This function may sleep.
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*
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* This macro copies a single simple variable from user space to kernel
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* space. It supports simple types like char and int, but not larger
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* data types like structures or arrays.
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*
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* @ptr must have pointer-to-simple-variable type, and the result of
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* dereferencing @ptr must be assignable to @x without a cast.
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*
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* Caller must check the pointer with access_ok() before calling this
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* function.
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*
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* Returns zero on success, or -EFAULT on error.
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* On error, the variable @x is set to zero.
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*/
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#define __get_user(x, ptr) __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
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struct __large_struct { unsigned long buf[100]; };
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#define __m(x) (*(struct __large_struct __user *)(x))
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/*
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* Yuck. We need two variants, one for 64bit operation and one
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* for 32 bit mode and old iron.
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*/
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extern void __get_user_unknown(void);
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#define __get_user_common(val, size, ptr) \
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do { \
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switch (size) { \
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case 1: \
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__get_user_asm(val, "lb", ptr); \
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break; \
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case 2: \
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__get_user_asm(val, "lh", ptr); \
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break; \
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case 4: \
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__get_user_asm(val, "lw", ptr); \
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break; \
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case 8: \
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if ((copy_from_user((void *)&val, ptr, 8)) == 0) \
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__gu_err = 0; \
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else \
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__gu_err = -EFAULT; \
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break; \
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default: \
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__get_user_unknown(); \
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break; \
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} \
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} while (0)
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#define __get_user_nocheck(x, ptr, size) \
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({ \
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long __gu_err = 0; \
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__get_user_common((x), size, ptr); \
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__gu_err; \
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})
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#define __get_user_check(x, ptr, size) \
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({ \
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long __gu_err = -EFAULT; \
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const __typeof__(*(ptr)) __user *__gu_ptr = (ptr); \
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\
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if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) \
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__get_user_common((x), size, __gu_ptr); \
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\
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__gu_err; \
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})
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#define __get_user_asm(val, insn, addr) \
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{ \
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long __gu_tmp; \
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\
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__asm__ __volatile__( \
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"1:" insn " %1, %3\n" \
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"2:\n" \
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".section .fixup,\"ax\"\n" \
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"3:li %0, %4\n" \
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"j 2b\n" \
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".previous\n" \
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".section __ex_table,\"a\"\n" \
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".word 1b, 3b\n" \
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".previous\n" \
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: "=r" (__gu_err), "=r" (__gu_tmp) \
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: "0" (0), "o" (__m(addr)), "i" (-EFAULT)); \
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\
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(val) = (__typeof__(*(addr))) __gu_tmp; \
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}
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/*
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* Yuck. We need two variants, one for 64bit operation and one
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* for 32 bit mode and old iron.
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*/
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#define __put_user_nocheck(val, ptr, size) \
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({ \
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__typeof__(*(ptr)) __pu_val; \
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long __pu_err = 0; \
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\
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__pu_val = (val); \
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switch (size) { \
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case 1: \
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__put_user_asm("sb", ptr); \
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break; \
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case 2: \
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__put_user_asm("sh", ptr); \
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break; \
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case 4: \
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__put_user_asm("sw", ptr); \
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break; \
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case 8: \
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if ((__copy_to_user((void *)ptr, &__pu_val, 8)) == 0) \
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__pu_err = 0; \
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else \
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__pu_err = -EFAULT; \
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break; \
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default: \
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__put_user_unknown(); \
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break; \
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} \
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__pu_err; \
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})
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#define __put_user_check(val, ptr, size) \
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({ \
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__typeof__(*(ptr)) __user *__pu_addr = (ptr); \
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__typeof__(*(ptr)) __pu_val = (val); \
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long __pu_err = -EFAULT; \
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\
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if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \
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switch (size) { \
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case 1: \
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__put_user_asm("sb", __pu_addr); \
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break; \
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case 2: \
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__put_user_asm("sh", __pu_addr); \
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break; \
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case 4: \
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__put_user_asm("sw", __pu_addr); \
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break; \
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case 8: \
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if ((__copy_to_user((void *)__pu_addr, &__pu_val, 8)) == 0)\
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__pu_err = 0; \
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else \
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__pu_err = -EFAULT; \
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break; \
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default: \
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__put_user_unknown(); \
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break; \
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} \
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} \
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__pu_err; \
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})
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#define __put_user_asm(insn, ptr) \
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__asm__ __volatile__( \
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"1:" insn " %2, %3\n" \
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"2:\n" \
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".section .fixup,\"ax\"\n" \
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"3:li %0, %4\n" \
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"j 2b\n" \
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".previous\n" \
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".section __ex_table,\"a\"\n" \
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".word 1b, 3b\n" \
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".previous\n" \
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: "=r" (__pu_err) \
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: "0" (0), "r" (__pu_val), "o" (__m(ptr)), \
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"i" (-EFAULT));
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extern void __put_user_unknown(void);
|
||||
extern int __copy_tofrom_user(void *to, const void *from, unsigned long len);
|
||||
|
||||
static inline unsigned long
|
||||
copy_from_user(void *to, const void *from, unsigned long len)
|
||||
{
|
||||
unsigned long over;
|
||||
|
||||
if (access_ok(VERIFY_READ, from, len))
|
||||
return __copy_tofrom_user(to, from, len);
|
||||
|
||||
if ((unsigned long)from < TASK_SIZE) {
|
||||
over = (unsigned long)from + len - TASK_SIZE;
|
||||
return __copy_tofrom_user(to, from, len - over) + over;
|
||||
}
|
||||
return len;
|
||||
}
|
||||
|
||||
static inline unsigned long
|
||||
copy_to_user(void *to, const void *from, unsigned long len)
|
||||
{
|
||||
unsigned long over;
|
||||
|
||||
if (access_ok(VERIFY_WRITE, to, len))
|
||||
return __copy_tofrom_user(to, from, len);
|
||||
|
||||
if ((unsigned long)to < TASK_SIZE) {
|
||||
over = (unsigned long)to + len - TASK_SIZE;
|
||||
return __copy_tofrom_user(to, from, len - over) + over;
|
||||
}
|
||||
return len;
|
||||
}
|
||||
|
||||
#define __copy_from_user(to, from, len) \
|
||||
__copy_tofrom_user((to), (from), (len))
|
||||
|
||||
#define __copy_to_user(to, from, len) \
|
||||
__copy_tofrom_user((to), (from), (len))
|
||||
|
||||
static inline unsigned long
|
||||
__copy_to_user_inatomic(void *to, const void *from, unsigned long len)
|
||||
{
|
||||
return __copy_to_user(to, from, len);
|
||||
}
|
||||
|
||||
static inline unsigned long
|
||||
__copy_from_user_inatomic(void *to, const void *from, unsigned long len)
|
||||
{
|
||||
return __copy_from_user(to, from, len);
|
||||
}
|
||||
|
||||
#define __copy_in_user(to, from, len) __copy_from_user(to, from, len)
|
||||
|
||||
static inline unsigned long
|
||||
copy_in_user(void *to, const void *from, unsigned long len)
|
||||
{
|
||||
if (access_ok(VERIFY_READ, from, len) &&
|
||||
access_ok(VERFITY_WRITE, to, len))
|
||||
return copy_from_user(to, from, len);
|
||||
}
|
||||
|
||||
/*
|
||||
* __clear_user: - Zero a block of memory in user space, with less checking.
|
||||
* @to: Destination address, in user space.
|
||||
* @n: Number of bytes to zero.
|
||||
*
|
||||
* Zero a block of memory in user space. Caller must check
|
||||
* the specified block with access_ok() before calling this function.
|
||||
*
|
||||
* Returns number of bytes that could not be cleared.
|
||||
* On success, this will be zero.
|
||||
*/
|
||||
extern unsigned long __clear_user(void __user *src, unsigned long size);
|
||||
|
||||
static inline unsigned long clear_user(char *src, unsigned long size)
|
||||
{
|
||||
if (access_ok(VERIFY_WRITE, src, size))
|
||||
return __clear_user(src, size);
|
||||
|
||||
return -EFAULT;
|
||||
}
|
||||
/*
|
||||
* __strncpy_from_user: - Copy a NUL terminated string from userspace, with less checking.
|
||||
* @dst: Destination address, in kernel space. This buffer must be at
|
||||
* least @count bytes long.
|
||||
* @src: Source address, in user space.
|
||||
* @count: Maximum number of bytes to copy, including the trailing NUL.
|
||||
*
|
||||
* Copies a NUL-terminated string from userspace to kernel space.
|
||||
* Caller must check the specified block with access_ok() before calling
|
||||
* this function.
|
||||
*
|
||||
* On success, returns the length of the string (not including the trailing
|
||||
* NUL).
|
||||
*
|
||||
* If access to userspace fails, returns -EFAULT (some data may have been
|
||||
* copied).
|
||||
*
|
||||
* If @count is smaller than the length of the string, copies @count bytes
|
||||
* and returns @count.
|
||||
*/
|
||||
extern int __strncpy_from_user(char *dst, const char *src, long len);
|
||||
|
||||
static inline int strncpy_from_user(char *dst, const char *src, long len)
|
||||
{
|
||||
if (access_ok(VERIFY_READ, src, 1))
|
||||
return __strncpy_from_user(dst, src, len);
|
||||
|
||||
return -EFAULT;
|
||||
}
|
||||
|
||||
extern int __strlen_user(const char *src);
|
||||
static inline long strlen_user(const char __user *src)
|
||||
{
|
||||
return __strlen_user(src);
|
||||
}
|
||||
|
||||
extern int __strnlen_user(const char *str, long len);
|
||||
static inline long strnlen_user(const char __user *str, long len)
|
||||
{
|
||||
if (!access_ok(VERIFY_READ, str, 0))
|
||||
return 0;
|
||||
else
|
||||
return __strnlen_user(str, len);
|
||||
}
|
||||
|
||||
struct exception_table_entry {
|
||||
unsigned long insn;
|
||||
unsigned long fixup;
|
||||
};
|
||||
|
||||
extern int fixup_exception(struct pt_regs *regs);
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
#endif /* __SCORE_UACCESS_H */
|
||||
|
||||
#define __range_ok(addr, size) \
|
||||
((((unsigned long __force)(addr) >= 0x80000000) \
|
||||
|| ((unsigned long)(size) > 0x80000000) \
|
||||
|| (((unsigned long __force)(addr) + (unsigned long)(size)) > 0x80000000)))
|
||||
|
||||
#define __access_ok(addr, size) \
|
||||
(__range_ok((addr), (size)) == 0)
|
||||
|
||||
#include <asm-generic/uaccess.h>
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
|
||||
#endif /* _ASM_SCORE_UACCESS_H */
|
||||
|
|
|
|||
|
|
@ -1,4 +1,21 @@
|
|||
#ifndef _ASM_SCORE_USER_H
|
||||
#define _ASM_SCORE_USER_H
|
||||
|
||||
struct user_regs_struct {
|
||||
unsigned long regs[32];
|
||||
|
||||
unsigned long cel;
|
||||
unsigned long ceh;
|
||||
|
||||
unsigned long sr0; /* cnt */
|
||||
unsigned long sr1; /* lcr */
|
||||
unsigned long sr2; /* scr */
|
||||
|
||||
unsigned long cp0_epc;
|
||||
unsigned long cp0_ema;
|
||||
unsigned long cp0_psr;
|
||||
unsigned long cp0_ecr;
|
||||
unsigned long cp0_condition;
|
||||
};
|
||||
|
||||
#endif /* _ASM_SCORE_USER_H */
|
||||
|
|
|
|||
Loading…
Reference in a new issue