6c70b6fc7b
Check the cpu type in the OBP device tree before committing to using the optimized Niagara memcpy and memset implementation. If we don't recognize the cpu type, use a completely generic version. Signed-off-by: David S. Miller <davem@davemloft.net>
360 lines
9.8 KiB
C
360 lines
9.8 KiB
C
/* arch/sparc64/kernel/sparc64_ksyms.c: Sparc64 specific ksyms support.
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*
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* Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net)
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* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
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* Copyright (C) 1999 Jakub Jelinek (jj@ultra.linux.cz)
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*/
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/* Tell string.h we don't want memcpy etc. as cpp defines */
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#define EXPORT_SYMTAB_STROPS
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#define PROMLIB_INTERNAL
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/string.h>
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#include <linux/sched.h>
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#include <linux/in6.h>
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#include <linux/pci.h>
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#include <linux/interrupt.h>
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#include <linux/fs_struct.h>
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#include <linux/fs.h>
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#include <linux/mm.h>
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#include <linux/socket.h>
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#include <linux/syscalls.h>
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#include <linux/percpu.h>
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#include <linux/init.h>
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#include <linux/rwsem.h>
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#include <net/compat.h>
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#include <asm/oplib.h>
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#include <asm/system.h>
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#include <asm/auxio.h>
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#include <asm/pgtable.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/idprom.h>
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#include <asm/svr4.h>
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#include <asm/elf.h>
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#include <asm/head.h>
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#include <asm/smp.h>
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#include <asm/mostek.h>
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#include <asm/ptrace.h>
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#include <asm/user.h>
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#include <asm/uaccess.h>
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#include <asm/checksum.h>
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#include <asm/fpumacro.h>
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#include <asm/pgalloc.h>
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#include <asm/cacheflush.h>
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#ifdef CONFIG_SBUS
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#include <asm/sbus.h>
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#include <asm/dma.h>
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#endif
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#ifdef CONFIG_PCI
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#include <asm/ebus.h>
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#include <asm/isa.h>
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#endif
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#include <asm/a.out.h>
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#include <asm/ns87303.h>
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#include <asm/timer.h>
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#include <asm/cpudata.h>
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struct poll {
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int fd;
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short events;
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short revents;
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};
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extern void die_if_kernel(char *str, struct pt_regs *regs);
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extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
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extern void *__bzero(void *, size_t);
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extern void *__memscan_zero(void *, size_t);
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extern void *__memscan_generic(void *, int, size_t);
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extern int __memcmp(const void *, const void *, __kernel_size_t);
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extern __kernel_size_t strlen(const char *);
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extern void linux_sparc_syscall(void);
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extern void rtrap(void);
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extern void show_regs(struct pt_regs *);
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extern void solaris_syscall(void);
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extern void syscall_trace(struct pt_regs *, int);
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extern u32 sunos_sys_table[], sys_call_table32[];
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extern void tl0_solaris(void);
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extern void sys_sigsuspend(void);
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extern int svr4_getcontext(svr4_ucontext_t *uc, struct pt_regs *regs);
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extern int svr4_setcontext(svr4_ucontext_t *uc, struct pt_regs *regs);
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extern int compat_sys_ioctl(unsigned int fd, unsigned int cmd, u32 arg);
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extern int (*handle_mathemu)(struct pt_regs *, struct fpustate *);
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extern long sparc32_open(const char __user * filename, int flags, int mode);
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extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
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unsigned long pfn, unsigned long size, pgprot_t prot);
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extern void (*prom_palette)(int);
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extern int __ashrdi3(int, int);
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extern int dump_fpu (struct pt_regs * regs, elf_fpregset_t * fpregs);
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extern unsigned int sys_call_table[];
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extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *);
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extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *,
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unsigned long *);
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extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *);
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extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *, unsigned long *);
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extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *);
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extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *,
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unsigned long *);
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extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *);
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extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *, unsigned long *);
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/* Per-CPU information table */
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EXPORT_PER_CPU_SYMBOL(__cpu_data);
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/* used by various drivers */
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#ifdef CONFIG_SMP
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/* Out of line rw-locking implementation. */
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EXPORT_SYMBOL(__read_lock);
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EXPORT_SYMBOL(__read_unlock);
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EXPORT_SYMBOL(__write_lock);
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EXPORT_SYMBOL(__write_unlock);
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EXPORT_SYMBOL(__write_trylock);
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EXPORT_SYMBOL(smp_call_function);
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#endif /* CONFIG_SMP */
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#if defined(CONFIG_MCOUNT)
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extern void _mcount(void);
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EXPORT_SYMBOL(_mcount);
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#endif
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EXPORT_SYMBOL(sparc64_get_clock_tick);
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/* semaphores */
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EXPORT_SYMBOL(down);
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EXPORT_SYMBOL(down_trylock);
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EXPORT_SYMBOL(down_interruptible);
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EXPORT_SYMBOL(up);
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/* RW semaphores */
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EXPORT_SYMBOL(__down_read);
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EXPORT_SYMBOL(__down_read_trylock);
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EXPORT_SYMBOL(__down_write);
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EXPORT_SYMBOL(__down_write_trylock);
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EXPORT_SYMBOL(__up_read);
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EXPORT_SYMBOL(__up_write);
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EXPORT_SYMBOL(__downgrade_write);
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/* Atomic counter implementation. */
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EXPORT_SYMBOL(atomic_add);
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EXPORT_SYMBOL(atomic_add_ret);
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EXPORT_SYMBOL(atomic_sub);
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EXPORT_SYMBOL(atomic_sub_ret);
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EXPORT_SYMBOL(atomic64_add);
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EXPORT_SYMBOL(atomic64_add_ret);
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EXPORT_SYMBOL(atomic64_sub);
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EXPORT_SYMBOL(atomic64_sub_ret);
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/* Atomic bit operations. */
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EXPORT_SYMBOL(test_and_set_bit);
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EXPORT_SYMBOL(test_and_clear_bit);
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EXPORT_SYMBOL(test_and_change_bit);
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EXPORT_SYMBOL(set_bit);
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EXPORT_SYMBOL(clear_bit);
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EXPORT_SYMBOL(change_bit);
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EXPORT_SYMBOL(__flushw_user);
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EXPORT_SYMBOL(tlb_type);
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EXPORT_SYMBOL(sun4v_chip_type);
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EXPORT_SYMBOL(get_fb_unmapped_area);
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EXPORT_SYMBOL(flush_icache_range);
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EXPORT_SYMBOL(flush_dcache_page);
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#ifdef DCACHE_ALIASING_POSSIBLE
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EXPORT_SYMBOL(__flush_dcache_range);
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#endif
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EXPORT_SYMBOL(mostek_lock);
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EXPORT_SYMBOL(mstk48t02_regs);
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#ifdef CONFIG_SUN_AUXIO
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EXPORT_SYMBOL(auxio_set_led);
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EXPORT_SYMBOL(auxio_set_lte);
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#endif
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#ifdef CONFIG_SBUS
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EXPORT_SYMBOL(sbus_root);
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EXPORT_SYMBOL(dma_chain);
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EXPORT_SYMBOL(sbus_set_sbus64);
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EXPORT_SYMBOL(sbus_alloc_consistent);
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EXPORT_SYMBOL(sbus_free_consistent);
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EXPORT_SYMBOL(sbus_map_single);
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EXPORT_SYMBOL(sbus_unmap_single);
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EXPORT_SYMBOL(sbus_map_sg);
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EXPORT_SYMBOL(sbus_unmap_sg);
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EXPORT_SYMBOL(sbus_dma_sync_single_for_cpu);
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EXPORT_SYMBOL(sbus_dma_sync_single_for_device);
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EXPORT_SYMBOL(sbus_dma_sync_sg_for_cpu);
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EXPORT_SYMBOL(sbus_dma_sync_sg_for_device);
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#endif
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EXPORT_SYMBOL(outsb);
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EXPORT_SYMBOL(outsw);
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EXPORT_SYMBOL(outsl);
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EXPORT_SYMBOL(insb);
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EXPORT_SYMBOL(insw);
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EXPORT_SYMBOL(insl);
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#ifdef CONFIG_PCI
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EXPORT_SYMBOL(ebus_chain);
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EXPORT_SYMBOL(isa_chain);
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EXPORT_SYMBOL(pci_alloc_consistent);
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EXPORT_SYMBOL(pci_free_consistent);
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EXPORT_SYMBOL(pci_map_single);
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EXPORT_SYMBOL(pci_unmap_single);
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EXPORT_SYMBOL(pci_map_sg);
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EXPORT_SYMBOL(pci_unmap_sg);
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EXPORT_SYMBOL(pci_dma_sync_single_for_cpu);
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EXPORT_SYMBOL(pci_dma_sync_sg_for_cpu);
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EXPORT_SYMBOL(pci_dma_supported);
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#endif
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/* I/O device mmaping on Sparc64. */
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EXPORT_SYMBOL(io_remap_pfn_range);
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#ifdef CONFIG_COMPAT
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/* Solaris/SunOS binary compatibility */
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EXPORT_SYMBOL(verify_compat_iovec);
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#endif
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EXPORT_SYMBOL(dump_fpu);
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EXPORT_SYMBOL(put_fs_struct);
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/* math-emu wants this */
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EXPORT_SYMBOL(die_if_kernel);
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/* Kernel thread creation. */
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EXPORT_SYMBOL(kernel_thread);
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/* prom symbols */
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EXPORT_SYMBOL(idprom);
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EXPORT_SYMBOL(prom_root_node);
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EXPORT_SYMBOL(prom_getchild);
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EXPORT_SYMBOL(prom_getsibling);
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EXPORT_SYMBOL(prom_searchsiblings);
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EXPORT_SYMBOL(prom_firstprop);
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EXPORT_SYMBOL(prom_nextprop);
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EXPORT_SYMBOL(prom_getproplen);
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EXPORT_SYMBOL(prom_getproperty);
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EXPORT_SYMBOL(prom_node_has_property);
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EXPORT_SYMBOL(prom_setprop);
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EXPORT_SYMBOL(saved_command_line);
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EXPORT_SYMBOL(prom_finddevice);
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EXPORT_SYMBOL(prom_feval);
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EXPORT_SYMBOL(prom_getbool);
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EXPORT_SYMBOL(prom_getstring);
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EXPORT_SYMBOL(prom_getint);
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EXPORT_SYMBOL(prom_getintdefault);
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EXPORT_SYMBOL(__prom_getchild);
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EXPORT_SYMBOL(__prom_getsibling);
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/* sparc library symbols */
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EXPORT_SYMBOL(strlen);
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EXPORT_SYMBOL(__strlen_user);
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EXPORT_SYMBOL(__strnlen_user);
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#ifdef CONFIG_SOLARIS_EMUL_MODULE
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EXPORT_SYMBOL(linux_sparc_syscall);
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EXPORT_SYMBOL(rtrap);
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EXPORT_SYMBOL(show_regs);
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EXPORT_SYMBOL(solaris_syscall);
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EXPORT_SYMBOL(syscall_trace);
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EXPORT_SYMBOL(sunos_sys_table);
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EXPORT_SYMBOL(sys_call_table32);
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EXPORT_SYMBOL(tl0_solaris);
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EXPORT_SYMBOL(sys_sigsuspend);
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EXPORT_SYMBOL(sys_getppid);
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EXPORT_SYMBOL(sys_getpid);
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EXPORT_SYMBOL(sys_geteuid);
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EXPORT_SYMBOL(sys_getuid);
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EXPORT_SYMBOL(sys_getegid);
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EXPORT_SYMBOL(sys_getgid);
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EXPORT_SYMBOL(svr4_getcontext);
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EXPORT_SYMBOL(svr4_setcontext);
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EXPORT_SYMBOL(compat_sys_ioctl);
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EXPORT_SYMBOL(sys_ioctl);
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EXPORT_SYMBOL(sparc32_open);
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#endif
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/* Special internal versions of library functions. */
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EXPORT_SYMBOL(_clear_page);
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EXPORT_SYMBOL(clear_user_page);
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EXPORT_SYMBOL(copy_user_page);
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EXPORT_SYMBOL(__bzero);
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EXPORT_SYMBOL(__memscan_zero);
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EXPORT_SYMBOL(__memscan_generic);
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EXPORT_SYMBOL(__memcmp);
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EXPORT_SYMBOL(__memset);
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EXPORT_SYMBOL(csum_partial);
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EXPORT_SYMBOL(csum_partial_copy_nocheck);
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EXPORT_SYMBOL(__csum_partial_copy_from_user);
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EXPORT_SYMBOL(__csum_partial_copy_to_user);
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EXPORT_SYMBOL(ip_fast_csum);
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/* Moving data to/from/in userspace. */
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EXPORT_SYMBOL(___copy_to_user);
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EXPORT_SYMBOL(___copy_from_user);
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EXPORT_SYMBOL(___copy_in_user);
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EXPORT_SYMBOL(copy_to_user_fixup);
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EXPORT_SYMBOL(copy_from_user_fixup);
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EXPORT_SYMBOL(copy_in_user_fixup);
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EXPORT_SYMBOL(__strncpy_from_user);
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EXPORT_SYMBOL(__clear_user);
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/* Various address conversion macros use this. */
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EXPORT_SYMBOL(sparc64_valid_addr_bitmap);
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/* No version information on this, heavily used in inline asm,
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* and will always be 'void __ret_efault(void)'.
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*/
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EXPORT_SYMBOL(__ret_efault);
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/* No version information on these, as gcc produces such symbols. */
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EXPORT_SYMBOL(memcmp);
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EXPORT_SYMBOL(memcpy);
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EXPORT_SYMBOL(memset);
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EXPORT_SYMBOL(memmove);
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EXPORT_SYMBOL(strncmp);
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void VISenter(void);
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/* RAID code needs this */
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EXPORT_SYMBOL(VISenter);
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/* for input/keybdev */
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EXPORT_SYMBOL(sun_do_break);
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EXPORT_SYMBOL(stop_a_enabled);
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#ifdef CONFIG_DEBUG_BUGVERBOSE
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EXPORT_SYMBOL(do_BUG);
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#endif
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/* for ns8703 */
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EXPORT_SYMBOL(ns87303_lock);
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/* for solaris compat module */
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EXPORT_SYMBOL_GPL(sys_call_table);
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EXPORT_SYMBOL(tick_ops);
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EXPORT_SYMBOL(xor_vis_2);
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EXPORT_SYMBOL(xor_vis_3);
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EXPORT_SYMBOL(xor_vis_4);
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EXPORT_SYMBOL(xor_vis_5);
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EXPORT_SYMBOL(xor_niagara_2);
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EXPORT_SYMBOL(xor_niagara_3);
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EXPORT_SYMBOL(xor_niagara_4);
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EXPORT_SYMBOL(xor_niagara_5);
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EXPORT_SYMBOL(prom_palette);
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