diff options
Diffstat (limited to 'arch/sparc/include')
-rw-r--r-- | arch/sparc/include/asm/checksum.h | 1 | ||||
-rw-r--r-- | arch/sparc/include/asm/checksum_32.h | 15 | ||||
-rw-r--r-- | arch/sparc/include/asm/checksum_64.h | 2 | ||||
-rw-r--r-- | arch/sparc/include/asm/floppy_32.h | 50 | ||||
-rw-r--r-- | arch/sparc/include/asm/floppy_64.h | 59 | ||||
-rw-r--r-- | arch/sparc/include/asm/highmem.h | 25 | ||||
-rw-r--r-- | arch/sparc/include/asm/hugetlb.h | 10 |
7 files changed, 71 insertions, 91 deletions
diff --git a/arch/sparc/include/asm/checksum.h b/arch/sparc/include/asm/checksum.h index c3be56e2e768..a6256cb6fc5c 100644 --- a/arch/sparc/include/asm/checksum.h +++ b/arch/sparc/include/asm/checksum.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_CHECKSUM_H #define ___ASM_SPARC_CHECKSUM_H +#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER #if defined(__sparc__) && defined(__arch64__) #include <asm/checksum_64.h> #else diff --git a/arch/sparc/include/asm/checksum_32.h b/arch/sparc/include/asm/checksum_32.h index 5fc98d80b03b..479a0b812af5 100644 --- a/arch/sparc/include/asm/checksum_32.h +++ b/arch/sparc/include/asm/checksum_32.h @@ -60,7 +60,7 @@ csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) } static inline __wsum -csum_partial_copy_from_user(const void __user *src, void *dst, int len, +csum_and_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err) { register unsigned long ret asm("o0") = (unsigned long)src; @@ -68,6 +68,12 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len, register int l asm("g1") = len; register __wsum s asm("g7") = sum; + if (unlikely(!access_ok(src, len))) { + if (len) + *err = -EFAULT; + return sum; + } + __asm__ __volatile__ ( ".section __ex_table,#alloc\n\t" ".align 4\n\t" @@ -83,8 +89,10 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len, return (__force __wsum)ret; } +#define HAVE_CSUM_COPY_USER + static inline __wsum -csum_partial_copy_to_user(const void *src, void __user *dst, int len, +csum_and_copy_to_user(const void *src, void __user *dst, int len, __wsum sum, int *err) { if (!access_ok(dst, len)) { @@ -113,9 +121,6 @@ csum_partial_copy_to_user(const void *src, void __user *dst, int len, } } -#define HAVE_CSUM_COPY_USER -#define csum_and_copy_to_user csum_partial_copy_to_user - /* ihl is always 5 or greater, almost always is 5, and iph is word aligned * the majority of the time. */ diff --git a/arch/sparc/include/asm/checksum_64.h b/arch/sparc/include/asm/checksum_64.h index e52450930e4e..0fa4433f5662 100644 --- a/arch/sparc/include/asm/checksum_64.h +++ b/arch/sparc/include/asm/checksum_64.h @@ -46,7 +46,7 @@ long __csum_partial_copy_from_user(const void __user *src, __wsum sum); static inline __wsum -csum_partial_copy_from_user(const void __user *src, +csum_and_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err) { diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h index b519acf4383d..946dbcbf3a83 100644 --- a/arch/sparc/include/asm/floppy_32.h +++ b/arch/sparc/include/asm/floppy_32.h @@ -59,8 +59,8 @@ struct sun_floppy_ops { static struct sun_floppy_ops sun_fdops; -#define fd_inb(port) sun_fdops.fd_inb(port) -#define fd_outb(value,port) sun_fdops.fd_outb(value,port) +#define fd_inb(base, reg) sun_fdops.fd_inb(reg) +#define fd_outb(value, base, reg) sun_fdops.fd_outb(value, reg) #define fd_enable_dma() sun_fd_enable_dma() #define fd_disable_dma() sun_fd_disable_dma() #define fd_request_dma() (0) /* nothing... */ @@ -114,15 +114,15 @@ static unsigned char sun_read_dir(void) static unsigned char sun_82072_fd_inb(int port) { udelay(5); - switch(port & 7) { + switch (port) { default: printk("floppy: Asked to read unknown port %d\n", port); panic("floppy: Port bolixed."); - case 4: /* FD_STATUS */ + case FD_STATUS: return sun_fdc->status_82072 & ~STATUS_DMA; - case 5: /* FD_DATA */ + case FD_DATA: return sun_fdc->data_82072; - case 7: /* FD_DIR */ + case FD_DIR: return sun_read_dir(); } panic("sun_82072_fd_inb: How did I get here?"); @@ -131,20 +131,20 @@ static unsigned char sun_82072_fd_inb(int port) static void sun_82072_fd_outb(unsigned char value, int port) { udelay(5); - switch(port & 7) { + switch (port) { default: printk("floppy: Asked to write to unknown port %d\n", port); panic("floppy: Port bolixed."); - case 2: /* FD_DOR */ + case FD_DOR: sun_set_dor(value, 0); break; - case 5: /* FD_DATA */ + case FD_DATA: sun_fdc->data_82072 = value; break; - case 7: /* FD_DCR */ + case FD_DCR: sun_fdc->dcr_82072 = value; break; - case 4: /* FD_STATUS */ + case FD_DSR: sun_fdc->status_82072 = value; break; } @@ -154,23 +154,23 @@ static void sun_82072_fd_outb(unsigned char value, int port) static unsigned char sun_82077_fd_inb(int port) { udelay(5); - switch(port & 7) { + switch (port) { default: printk("floppy: Asked to read unknown port %d\n", port); panic("floppy: Port bolixed."); - case 0: /* FD_STATUS_0 */ + case FD_SRA: return sun_fdc->status1_82077; - case 1: /* FD_STATUS_1 */ + case FD_SRB: return sun_fdc->status2_82077; - case 2: /* FD_DOR */ + case FD_DOR: return sun_fdc->dor_82077; - case 3: /* FD_TDR */ + case FD_TDR: return sun_fdc->tapectl_82077; - case 4: /* FD_STATUS */ + case FD_STATUS: return sun_fdc->status_82077 & ~STATUS_DMA; - case 5: /* FD_DATA */ + case FD_DATA: return sun_fdc->data_82077; - case 7: /* FD_DIR */ + case FD_DIR: return sun_read_dir(); } panic("sun_82077_fd_inb: How did I get here?"); @@ -179,23 +179,23 @@ static unsigned char sun_82077_fd_inb(int port) static void sun_82077_fd_outb(unsigned char value, int port) { udelay(5); - switch(port & 7) { + switch (port) { default: printk("floppy: Asked to write to unknown port %d\n", port); panic("floppy: Port bolixed."); - case 2: /* FD_DOR */ + case FD_DOR: sun_set_dor(value, 1); break; - case 5: /* FD_DATA */ + case FD_DATA: sun_fdc->data_82077 = value; break; - case 7: /* FD_DCR */ + case FD_DCR: sun_fdc->dcr_82077 = value; break; - case 4: /* FD_STATUS */ + case FD_DSR: sun_fdc->status_82077 = value; break; - case 3: /* FD_TDR */ + case FD_TDR: sun_fdc->tapectl_82077 = value; break; } diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index 3729fc35ba83..070c8c1f5c8f 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -47,8 +47,9 @@ unsigned long fdc_status; static struct platform_device *floppy_op = NULL; struct sun_floppy_ops { - unsigned char (*fd_inb) (unsigned long port); - void (*fd_outb) (unsigned char value, unsigned long port); + unsigned char (*fd_inb) (unsigned long port, unsigned int reg); + void (*fd_outb) (unsigned char value, unsigned long base, + unsigned int reg); void (*fd_enable_dma) (void); void (*fd_disable_dma) (void); void (*fd_set_dma_mode) (int); @@ -62,8 +63,8 @@ struct sun_floppy_ops { static struct sun_floppy_ops sun_fdops; -#define fd_inb(port) sun_fdops.fd_inb(port) -#define fd_outb(value,port) sun_fdops.fd_outb(value,port) +#define fd_inb(base, reg) sun_fdops.fd_inb(base, reg) +#define fd_outb(value, base, reg) sun_fdops.fd_outb(value, base, reg) #define fd_enable_dma() sun_fdops.fd_enable_dma() #define fd_disable_dma() sun_fdops.fd_disable_dma() #define fd_request_dma() (0) /* nothing... */ @@ -97,42 +98,43 @@ static int sun_floppy_types[2] = { 0, 0 }; /* No 64k boundary crossing problems on the Sparc. */ #define CROSS_64KB(a,s) (0) -static unsigned char sun_82077_fd_inb(unsigned long port) +static unsigned char sun_82077_fd_inb(unsigned long base, unsigned int reg) { udelay(5); - switch(port & 7) { + switch (reg) { default: - printk("floppy: Asked to read unknown port %lx\n", port); + printk("floppy: Asked to read unknown port %x\n", reg); panic("floppy: Port bolixed."); - case 4: /* FD_STATUS */ + case FD_STATUS: return sbus_readb(&sun_fdc->status_82077) & ~STATUS_DMA; - case 5: /* FD_DATA */ + case FD_DATA: return sbus_readb(&sun_fdc->data_82077); - case 7: /* FD_DIR */ + case FD_DIR: /* XXX: Is DCL on 0x80 in sun4m? */ return sbus_readb(&sun_fdc->dir_82077); } panic("sun_82072_fd_inb: How did I get here?"); } -static void sun_82077_fd_outb(unsigned char value, unsigned long port) +static void sun_82077_fd_outb(unsigned char value, unsigned long base, + unsigned int reg) { udelay(5); - switch(port & 7) { + switch (reg) { default: - printk("floppy: Asked to write to unknown port %lx\n", port); + printk("floppy: Asked to write to unknown port %x\n", reg); panic("floppy: Port bolixed."); - case 2: /* FD_DOR */ + case FD_DOR: /* Happily, the 82077 has a real DOR register. */ sbus_writeb(value, &sun_fdc->dor_82077); break; - case 5: /* FD_DATA */ + case FD_DATA: sbus_writeb(value, &sun_fdc->data_82077); break; - case 7: /* FD_DCR */ + case FD_DCR: sbus_writeb(value, &sun_fdc->dcr_82077); break; - case 4: /* FD_STATUS */ + case FD_DSR: sbus_writeb(value, &sun_fdc->status_82077); break; } @@ -298,19 +300,21 @@ static struct sun_pci_dma_op sun_pci_dma_pending = { -1U, 0, 0, NULL}; irqreturn_t floppy_interrupt(int irq, void *dev_id); -static unsigned char sun_pci_fd_inb(unsigned long port) +static unsigned char sun_pci_fd_inb(unsigned long base, unsigned int reg) { udelay(5); - return inb(port); + return inb(base + reg); } -static void sun_pci_fd_outb(unsigned char val, unsigned long port) +static void sun_pci_fd_outb(unsigned char val, unsigned long base, + unsigned int reg) { udelay(5); - outb(val, port); + outb(val, base + reg); } -static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port) +static void sun_pci_fd_broken_outb(unsigned char val, unsigned long base, + unsigned int reg) { udelay(5); /* @@ -320,16 +324,17 @@ static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port) * this does not hurt correct hardware like the AXmp. * (Eddie, Sep 12 1998). */ - if (port == ((unsigned long)sun_fdc) + 2) { + if (reg == FD_DOR) { if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x20)) { val |= 0x10; } } - outb(val, port); + outb(val, base + reg); } #ifdef PCI_FDC_SWAP_DRIVES -static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port) +static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long base, + unsigned int reg) { udelay(5); /* @@ -339,13 +344,13 @@ static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port) * this does not hurt correct hardware like the AXmp. * (Eddie, Sep 12 1998). */ - if (port == ((unsigned long)sun_fdc) + 2) { + if (reg == FD_DOR) { if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x10)) { val &= ~(0x03); val |= 0x21; } } - outb(val, port); + outb(val, base + reg); } #endif /* PCI_FDC_SWAP_DRIVES */ diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h index 18d776925c45..ddb03c04f1f3 100644 --- a/arch/sparc/include/asm/highmem.h +++ b/arch/sparc/include/asm/highmem.h @@ -25,11 +25,12 @@ #include <asm/vaddrs.h> #include <asm/kmap_types.h> #include <asm/pgtable.h> +#include <asm/pgtsrmmu.h> /* declarations for highmem.c */ extern unsigned long highstart_pfn, highend_pfn; -extern pgprot_t kmap_prot; +#define kmap_prot __pgprot(SRMMU_ET_PTE | SRMMU_PRIV | SRMMU_CACHE) extern pte_t *pkmap_page_table; void kmap_init(void) __init; @@ -50,28 +51,6 @@ void kmap_init(void) __init; #define PKMAP_END (PKMAP_ADDR(LAST_PKMAP)) -void *kmap_high(struct page *page); -void kunmap_high(struct page *page); - -static inline void *kmap(struct page *page) -{ - BUG_ON(in_interrupt()); - if (!PageHighMem(page)) - return page_address(page); - return kmap_high(page); -} - -static inline void kunmap(struct page *page) -{ - BUG_ON(in_interrupt()); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} - -void *kmap_atomic(struct page *page); -void __kunmap_atomic(void *kvaddr); - #define flush_cache_kmaps() flush_cache_all() #endif /* __KERNEL__ */ diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index 3963f80d1cb3..53838a173f62 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -20,12 +20,6 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep); -static inline int is_hugepage_only_range(struct mm_struct *mm, - unsigned long addr, - unsigned long len) { - return 0; -} - #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) @@ -53,10 +47,6 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, return changed; } -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - #define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, unsigned long end, unsigned long floor, |