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C++ IO_FIELD函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中IO_FIELD函数的典型用法代码示例。如果您正苦于以下问题：C++ IO_FIELD函数的具体用法？C++ IO_FIELD怎么用？C++ IO_FIELD使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了IO_FIELD函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: i2c_init

static int __init
i2c_init(void)
{
	int res;

	/* Setup and enable the Port B I2C interface */

#ifndef CONFIG_ETRAX_I2C_USES_PB_NOT_PB_I2C
	*R_PORT_PB_I2C = port_pb_i2c_shadow |= 
		IO_STATE(R_PORT_PB_I2C, i2c_en,  on) |
		IO_FIELD(R_PORT_PB_I2C, i2c_d,   1)  |
		IO_FIELD(R_PORT_PB_I2C, i2c_clk, 1)  |
		IO_STATE(R_PORT_PB_I2C, i2c_oe_, enable);
#endif

	port_pb_dir_shadow &= ~IO_MASK(R_PORT_PB_DIR, dir0);
	port_pb_dir_shadow &= ~IO_MASK(R_PORT_PB_DIR, dir1);

	*R_PORT_PB_DIR = (port_pb_dir_shadow |=
			  IO_STATE(R_PORT_PB_DIR, dir0, input)  |
			  IO_STATE(R_PORT_PB_DIR, dir1, output));

	/* register char device */

	res = register_chrdev(I2C_MAJOR, i2c_name, &i2c_fops);
	if(res < 0) {
		printk(KERN_ERR "i2c: couldn't get a major number.\n");
		return res;
	}

	printk("I2C driver v2.2, (c) 1999-2001 Axis Communications AB\n");
	
	return 0;
}
开发者ID:sarnobat，项目名称:knoppix，代码行数:34，代码来源:i2c.c


示例2: flush_tlb_mm

void
flush_tlb_mm(struct mm_struct *mm)
{
	int i;
	int page_id = mm->context.page_id;
	unsigned long flags;

	D(printk("tlb: flush mm context %d (%p)\n", page_id, mm));

	if(page_id == NO_CONTEXT)
		return;


	local_irq_save(flags);
	for(i = 0; i < NUM_TLB_ENTRIES; i++) {
		*R_TLB_SELECT = IO_FIELD(R_TLB_SELECT, index, i);
		if (IO_EXTRACT(R_TLB_HI, page_id, *R_TLB_HI) == page_id) {
			*R_TLB_HI = ( IO_FIELD(R_TLB_HI, page_id, INVALID_PAGEID ) |
				      IO_FIELD(R_TLB_HI, vpn,     i & 0xf ) );

			*R_TLB_LO = ( IO_STATE(R_TLB_LO, global,no  ) |
				      IO_STATE(R_TLB_LO, valid, no  ) |
				      IO_STATE(R_TLB_LO, kernel,no  ) |
				      IO_STATE(R_TLB_LO, we,    no  ) |
				      IO_FIELD(R_TLB_LO, pfn,   0   ) );
		}
	}
	local_irq_restore(flags);
}
开发者ID:Blackburn29，项目名称:PsycoKernel，代码行数:29，代码来源:tlb.c


示例3: flush_tlb_page

void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
{
	struct mm_struct *mm = vma->vm_mm;
	int page_id = mm->context.page_id;
	int i;
	unsigned long flags;

	D(printk("tlb: flush page %p in context %d (%p)\n", addr, page_id, mm));

	if(page_id == NO_CONTEXT)
		return;

	addr &= PAGE_MASK; 


	local_irq_save(flags);
	for(i = 0; i < NUM_TLB_ENTRIES; i++) {
		unsigned long tlb_hi;
		*R_TLB_SELECT = IO_FIELD(R_TLB_SELECT, index, i);
		tlb_hi = *R_TLB_HI;
		if (IO_EXTRACT(R_TLB_HI, page_id, tlb_hi) == page_id &&
		    (tlb_hi & PAGE_MASK) == addr) {
			*R_TLB_HI = IO_FIELD(R_TLB_HI, page_id, INVALID_PAGEID ) |
				addr; 

			*R_TLB_LO = ( IO_STATE(R_TLB_LO, global,no  ) |
				      IO_STATE(R_TLB_LO, valid, no  ) |
				      IO_STATE(R_TLB_LO, kernel,no  ) |
				      IO_STATE(R_TLB_LO, we,    no  ) |
				      IO_FIELD(R_TLB_LO, pfn,   0   ) );
		}
	}
	local_irq_restore(flags);
}
开发者ID:Blackburn29，项目名称:PsycoKernel，代码行数:34，代码来源:tlb.c


示例4: flush_tlb_all

void
flush_tlb_all(void)
{
	int i;
	unsigned long flags;

	/* the vpn of i & 0xf is so we dont write similar TLB entries
	 * in the same 4-way entry group. details.. 
	 */

	save_and_cli(flags); /* flush needs to be atomic */
	for(i = 0; i < NUM_TLB_ENTRIES; i++) {
		*R_TLB_SELECT = ( IO_FIELD(R_TLB_SELECT, index, i) );
		*R_TLB_HI = ( IO_FIELD(R_TLB_HI, page_id, INVALID_PAGEID ) |
			      IO_FIELD(R_TLB_HI, vpn,     i & 0xf ) );
		
		*R_TLB_LO = ( IO_STATE(R_TLB_LO, global,no       ) |
			      IO_STATE(R_TLB_LO, valid, no       ) |
			      IO_STATE(R_TLB_LO, kernel,no	 ) |
			      IO_STATE(R_TLB_LO, we,    no       ) |
			      IO_FIELD(R_TLB_LO, pfn,   0        ) );
	}
	restore_flags(flags);
	D(printk("tlb: flushed all\n"));
}
开发者ID:Picture-Elements，项目名称:linux-2.4-peijse，代码行数:25，代码来源:tlb.c


示例5: timer_interrupt

static inline irqreturn_t
timer_interrupt(int irq, void *dev_id)
{
	struct pt_regs *regs = get_irq_regs();
	/* acknowledge the timer irq */

#ifdef USE_CASCADE_TIMERS
	*R_TIMER_CTRL =
		IO_FIELD( R_TIMER_CTRL, timerdiv1, 0) |
		IO_FIELD( R_TIMER_CTRL, timerdiv0, 0) |
		IO_STATE( R_TIMER_CTRL, i1, clr) |
		IO_STATE( R_TIMER_CTRL, tm1, run) |
		IO_STATE( R_TIMER_CTRL, clksel1, cascade0) |
		IO_STATE( R_TIMER_CTRL, i0, clr) |
		IO_STATE( R_TIMER_CTRL, tm0, run) |
		IO_STATE( R_TIMER_CTRL, clksel0, c6250kHz);
#else
	*R_TIMER_CTRL = r_timer_ctrl_shadow |
		IO_STATE(R_TIMER_CTRL, i0, clr);
#endif

	/* reset watchdog otherwise it resets us! */
	reset_watchdog();

	/* Update statistics. */
	update_process_times(user_mode(regs));

	/* call the real timer interrupt handler */

	do_timer(1);

        cris_do_profile(regs); /* Save profiling information */
        return IRQ_HANDLED;
}
开发者ID:erik96，项目名称:Samsung-Galaxy-S-Plus，代码行数:34，代码来源:time.c


示例6: flush_tlb_mm

void
flush_tlb_mm(struct mm_struct *mm)
{
	int i;
	int page_id = mm->context;
	unsigned long flags;

	D(printk("tlb: flush mm context %d (%p)\n", page_id, mm));

	if(page_id == NO_CONTEXT)
		return;
	
	/* mark the TLB entries that match the page_id as invalid.
	 * here we could also check the _PAGE_GLOBAL bit and NOT flush
	 * global pages. is it worth the extra I/O ? 
	 */

	save_and_cli(flags);  /* flush needs to be atomic */
	for(i = 0; i < NUM_TLB_ENTRIES; i++) {
		*R_TLB_SELECT = IO_FIELD(R_TLB_SELECT, index, i);
		if (IO_EXTRACT(R_TLB_HI, page_id, *R_TLB_HI) == page_id) {
			*R_TLB_HI = ( IO_FIELD(R_TLB_HI, page_id, INVALID_PAGEID ) |
				      IO_FIELD(R_TLB_HI, vpn,     i & 0xf ) );
			
			*R_TLB_LO = ( IO_STATE(R_TLB_LO, global,no  ) |
				      IO_STATE(R_TLB_LO, valid, no  ) |
				      IO_STATE(R_TLB_LO, kernel,no  ) |
				      IO_STATE(R_TLB_LO, we,    no  ) |
				      IO_FIELD(R_TLB_LO, pfn,   0   ) );
		}
	}
	restore_flags(flags);
}
开发者ID:Picture-Elements，项目名称:linux-2.4-peijse，代码行数:33，代码来源:tlb.c


示例7: timer_interrupt

static inline irqreturn_t
timer_interrupt(int irq, void *dev_id)
{
	struct pt_regs *regs = get_irq_regs();
	/* acknowledge the timer irq */

#ifdef USE_CASCADE_TIMERS
	*R_TIMER_CTRL =
		IO_FIELD( R_TIMER_CTRL, timerdiv1, 0) |
		IO_FIELD( R_TIMER_CTRL, timerdiv0, 0) |
		IO_STATE( R_TIMER_CTRL, i1, clr) |
		IO_STATE( R_TIMER_CTRL, tm1, run) |
		IO_STATE( R_TIMER_CTRL, clksel1, cascade0) |
		IO_STATE( R_TIMER_CTRL, i0, clr) |
		IO_STATE( R_TIMER_CTRL, tm0, run) |
		IO_STATE( R_TIMER_CTRL, clksel0, c6250kHz);
#else
	*R_TIMER_CTRL = r_timer_ctrl_shadow | 
		IO_STATE(R_TIMER_CTRL, i0, clr);
#endif

	/* reset watchdog otherwise it resets us! */
	reset_watchdog();
	
	/* Update statistics. */
	update_process_times(user_mode(regs));

	/* call the real timer interrupt handler */

	do_timer(1);
	
        cris_do_profile(regs); /* Save profiling information */

	/*
	 * If we have an externally synchronized Linux clock, then update
	 * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be
	 * called as close as possible to 500 ms before the new second starts.
	 *
	 * The division here is not time critical since it will run once in 
	 * 11 minutes
	 */
	if (ntp_synced() &&
	    xtime.tv_sec > last_rtc_update + 660 &&
	    (xtime.tv_nsec / 1000) >= 500000 - (tick_nsec / 1000) / 2 &&
	    (xtime.tv_nsec / 1000) <= 500000 + (tick_nsec / 1000) / 2) {
		if (set_rtc_mmss(xtime.tv_sec) == 0)
			last_rtc_update = xtime.tv_sec;
		else
			last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */
	}
        return IRQ_HANDLED;
}
开发者ID:jakev，项目名称:CobraDroidBeta，代码行数:52，代码来源:time.c


示例8: switch_mm

void switch_mm(struct mm_struct *prev, struct mm_struct *next,
	struct task_struct *tsk)
{
	if (prev != next) {
		/* make sure we have a context */
		get_mmu_context(next);

		/* remember the pgd for the fault handlers
		 * this is similar to the pgd register in some other CPU's.
		 * we need our own copy of it because current and active_mm
		 * might be invalid at points where we still need to derefer
		 * the pgd.
		 */

		per_cpu(current_pgd, smp_processor_id()) = next->pgd;

		/* switch context in the MMU */

		D(printk(KERN_DEBUG "switching mmu_context to %d (%p)\n",
			next->context, next));

		*R_MMU_CONTEXT = IO_FIELD(R_MMU_CONTEXT,
					  page_id, next->context.page_id);
	}
}
开发者ID:0x0f，项目名称:adam-kernel，代码行数:25，代码来源:tlb.c


示例9: hard_reset_now

void hard_reset_now (void)
{
    /*
     * Don't declare this variable elsewhere.  We don't want any other
     * code to know about it than the watchdog handler in entry.S and
     * this code, implementing hard reset through the watchdog.
     */
#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM)
    extern int cause_of_death;
#endif

    printk("*** HARD RESET ***\n");
    local_irq_disable();

#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM)
    cause_of_death = 0xbedead;
#else
    /* Since we dont plan to keep on resetting the watchdog,
       the key can be arbitrary hence three */
    *R_WATCHDOG = IO_FIELD(R_WATCHDOG, key, 3) |
                  IO_STATE(R_WATCHDOG, enable, start);
#endif

    while(1) /* waiting for RETRIBUTION! */ ;
}
开发者ID:openube，项目名称:android_kernel_sony_c2305，代码行数:25，代码来源:process.c


示例10: stop_watchdog

void
stop_watchdog(void)
{
#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM)
	watchdog_key ^= 0x7; /* invert key, which is 3 bits */
	*R_WATCHDOG = IO_FIELD(R_WATCHDOG, key, watchdog_key) |
		IO_STATE(R_WATCHDOG, enable, stop);
#endif
}
开发者ID:erik96，项目名称:Samsung-Galaxy-S-Plus，代码行数:9，代码来源:time.c


示例11: flush_tlb_range

void
flush_tlb_range(struct mm_struct *mm, 
		unsigned long start,
		unsigned long end)
{
	int page_id = mm->context;
	int i;
	unsigned long flags;

	D(printk("tlb: flush range %p<->%p in context %d (%p)\n",
		 start, end, page_id, mm));

	if(page_id == NO_CONTEXT)
		return;

	start &= PAGE_MASK;  /* probably not necessary */
	end &= PAGE_MASK;    /* dito */

	/* invalidate those TLB entries that match both the mm context
	 * and the virtual address range
	 */

	save_and_cli(flags);  /* flush needs to be atomic */
	for(i = 0; i < NUM_TLB_ENTRIES; i++) {
		unsigned long tlb_hi, vpn;
		*R_TLB_SELECT = IO_FIELD(R_TLB_SELECT, index, i);
		tlb_hi = *R_TLB_HI;
		vpn = tlb_hi & PAGE_MASK;
		if (IO_EXTRACT(R_TLB_HI, page_id, tlb_hi) == page_id &&
		    vpn >= start && vpn < end) {
			*R_TLB_HI = ( IO_FIELD(R_TLB_HI, page_id, INVALID_PAGEID ) |
				      IO_FIELD(R_TLB_HI, vpn,     i & 0xf ) );
			
			*R_TLB_LO = ( IO_STATE(R_TLB_LO, global,no  ) |
				      IO_STATE(R_TLB_LO, valid, no  ) |
				      IO_STATE(R_TLB_LO, kernel,no  ) |
				      IO_STATE(R_TLB_LO, we,    no  ) |
				      IO_FIELD(R_TLB_LO, pfn,   0   ) );
		}
	}
	restore_flags(flags);
}
开发者ID:Picture-Elements，项目名称:linux-2.4-peijse，代码行数:42，代码来源:tlb.c


示例12: flush_tlb_page

void
flush_tlb_page(struct vm_area_struct *vma, 
	       unsigned long addr)
{
	struct mm_struct *mm = vma->vm_mm;
	int page_id = mm->context;
	int i;
	unsigned long flags;

	D(printk("tlb: flush page %p in context %d (%p)\n", addr, page_id, mm));

	if(page_id == NO_CONTEXT)
		return;

	addr &= PAGE_MASK; /* perhaps not necessary */

	/* invalidate those TLB entries that match both the mm context
	 * and the virtual address requested 
	 */

	save_and_cli(flags);  /* flush needs to be atomic */
	for(i = 0; i < NUM_TLB_ENTRIES; i++) {
		unsigned long tlb_hi;
		*R_TLB_SELECT = IO_FIELD(R_TLB_SELECT, index, i);
		tlb_hi = *R_TLB_HI;
		if (IO_EXTRACT(R_TLB_HI, page_id, tlb_hi) == page_id &&
		    (tlb_hi & PAGE_MASK) == addr) {
			*R_TLB_HI = IO_FIELD(R_TLB_HI, page_id, INVALID_PAGEID ) |
				addr; /* same addr as before works. */
			
			*R_TLB_LO = ( IO_STATE(R_TLB_LO, global,no  ) |
				      IO_STATE(R_TLB_LO, valid, no  ) |
				      IO_STATE(R_TLB_LO, kernel,no  ) |
				      IO_STATE(R_TLB_LO, we,    no  ) |
				      IO_FIELD(R_TLB_LO, pfn,   0   ) );
		}
	}
	restore_flags(flags);
}
开发者ID:Picture-Elements，项目名称:linux-2.4-peijse，代码行数:39，代码来源:tlb.c


示例13: flush_tlb_all

void
flush_tlb_all(void)
{
	int i;
	unsigned long flags;


	local_irq_save(flags);
	for(i = 0; i < NUM_TLB_ENTRIES; i++) {
		*R_TLB_SELECT = ( IO_FIELD(R_TLB_SELECT, index, i) );
		*R_TLB_HI = ( IO_FIELD(R_TLB_HI, page_id, INVALID_PAGEID ) |
			      IO_FIELD(R_TLB_HI, vpn,     i & 0xf ) );

		*R_TLB_LO = ( IO_STATE(R_TLB_LO, global,no       ) |
			      IO_STATE(R_TLB_LO, valid, no       ) |
			      IO_STATE(R_TLB_LO, kernel,no	 ) |
			      IO_STATE(R_TLB_LO, we,    no       ) |
			      IO_FIELD(R_TLB_LO, pfn,   0        ) );
	}
	local_irq_restore(flags);
	D(printk("tlb: flushed all\n"));
}
开发者ID:Blackburn29，项目名称:PsycoKernel，代码行数:22，代码来源:tlb.c


示例14: reset_watchdog

void
reset_watchdog(void)
{
#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM)
	/* only keep watchdog happy as long as we have memory left! */
	if(nr_free_pages() > WATCHDOG_MIN_FREE_PAGES) {
		/* reset the watchdog with the inverse of the old key */
		watchdog_key ^= 0x7; /* invert key, which is 3 bits */
		*R_WATCHDOG = IO_FIELD(R_WATCHDOG, key, watchdog_key) |
			IO_STATE(R_WATCHDOG, enable, start);
	}
#endif
}
开发者ID:erik96，项目名称:Samsung-Galaxy-S-Plus，代码行数:13，代码来源:time.c


示例15: dump_tlb_all

void
dump_tlb_all(void)
{
	int i;
	unsigned long flags;
	
	printk("TLB dump. LO is: pfn | reserved | global | valid | kernel | we  |\n");

	save_and_cli(flags);
	for(i = 0; i < NUM_TLB_ENTRIES; i++) {
		*R_TLB_SELECT = ( IO_FIELD(R_TLB_SELECT, index, i) );
		printk("Entry %d: HI 0x%08lx, LO 0x%08lx\n",
		       i, *R_TLB_HI, *R_TLB_LO);
	}
	restore_flags(flags);
}
开发者ID:Picture-Elements，项目名称:linux-2.4-peijse，代码行数:16，代码来源:tlb.c


示例16: hard_reset_now

void hard_reset_now (void)
{
#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM)
	extern int cause_of_death;
#endif

	printk("*** HARD RESET ***\n");
	local_irq_disable();

#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM)
	cause_of_death = 0xbedead;
#else
	*R_WATCHDOG = IO_FIELD(R_WATCHDOG, key, 3) |
		IO_STATE(R_WATCHDOG, enable, start);
#endif

	while(1)  ;
}
开发者ID:Blackburn29，项目名称:PsycoKernel，代码行数:18，代码来源:process.c


示例17: switch_mm

void switch_mm(struct mm_struct *prev, struct mm_struct *next,
	struct task_struct *tsk)
{
	if (prev != next) {
		
		get_mmu_context(next);


		per_cpu(current_pgd, smp_processor_id()) = next->pgd;

		

		D(printk(KERN_DEBUG "switching mmu_context to %d (%p)\n",
			next->context, next));

		*R_MMU_CONTEXT = IO_FIELD(R_MMU_CONTEXT,
					  page_id, next->context.page_id);
	}
}
开发者ID:Blackburn29，项目名称:PsycoKernel，代码行数:19，代码来源:tlb.c


示例18: paging_init

void __init 
paging_init(void)
{
	int i;
	unsigned long zones_size[MAX_NR_ZONES];

	printk("Setting up paging and the MMU.\n");
	
	/* clear out the init_mm.pgd that will contain the kernel's mappings */

	for(i = 0; i < PTRS_PER_PGD; i++)
		swapper_pg_dir[i] = __pgd(0);
	
	/* make sure the current pgd table points to something sane
	 * (even if it is most probably not used until the next 
	 *  switch_mm)
	 */

	current_pgd = init_mm.pgd;

	/* initialise the TLB (tlb.c) */

	tlb_init();

	/* see README.mm for details on the KSEG setup */

#ifdef CONFIG_CRIS_LOW_MAP
	/* Etrax-100 LX version 1 has a bug so that we cannot map anything
	 * across the 0x80000000 boundary, so we need to shrink the user-virtual
	 * area to 0x50000000 instead of 0xb0000000 and map things slightly
	 * different. The unused areas are marked as paged so that we can catch
	 * freak kernel accesses there.
	 *
	 * The ARTPEC chip is mapped at 0xa so we pass that segment straight
	 * through. We cannot vremap it because the vmalloc area is below 0x8
	 * and Juliette needs an uncached area above 0x8.
	 *
	 * Same thing with 0xc and 0x9, which is memory-mapped I/O on some boards.
	 * We map them straight over in LOW_MAP, but use vremap in LX version 2.
	 */

#define CACHED_BOOTROM (KSEG_F | 0x08000000UL)

	*R_MMU_KSEG = ( IO_STATE(R_MMU_KSEG, seg_f, seg  ) |  /* bootrom */
			IO_STATE(R_MMU_KSEG, seg_e, page ) |
			IO_STATE(R_MMU_KSEG, seg_d, page ) | 
			IO_STATE(R_MMU_KSEG, seg_c, page ) |   
			IO_STATE(R_MMU_KSEG, seg_b, seg  ) |  /* kernel reg area */
#ifdef CONFIG_JULIETTE
			IO_STATE(R_MMU_KSEG, seg_a, seg  ) |  /* ARTPEC etc. */
#else
			IO_STATE(R_MMU_KSEG, seg_a, page ) |
#endif
			IO_STATE(R_MMU_KSEG, seg_9, seg  ) |  /* LED's on some boards */
			IO_STATE(R_MMU_KSEG, seg_8, seg  ) |  /* CSE0/1, flash and I/O */
			IO_STATE(R_MMU_KSEG, seg_7, page ) |  /* kernel vmalloc area */
			IO_STATE(R_MMU_KSEG, seg_6, seg  ) |  /* kernel DRAM area */
			IO_STATE(R_MMU_KSEG, seg_5, seg  ) |  /* cached flash */
			IO_STATE(R_MMU_KSEG, seg_4, page ) |  /* user area */
			IO_STATE(R_MMU_KSEG, seg_3, page ) |  /* user area */
			IO_STATE(R_MMU_KSEG, seg_2, page ) |  /* user area */
			IO_STATE(R_MMU_KSEG, seg_1, page ) |  /* user area */
			IO_STATE(R_MMU_KSEG, seg_0, page ) ); /* user area */

	*R_MMU_KBASE_HI = ( IO_FIELD(R_MMU_KBASE_HI, base_f, 0x3 ) |
			    IO_FIELD(R_MMU_KBASE_HI, base_e, 0x0 ) |
			    IO_FIELD(R_MMU_KBASE_HI, base_d, 0x0 ) |
			    IO_FIELD(R_MMU_KBASE_HI, base_c, 0x0 ) |
			    IO_FIELD(R_MMU_KBASE_HI, base_b, 0xb ) |
#ifdef CONFIG_JULIETTE
			    IO_FIELD(R_MMU_KBASE_HI, base_a, 0xa ) |
#else
			    IO_FIELD(R_MMU_KBASE_HI, base_a, 0x0 ) |
#endif
			    IO_FIELD(R_MMU_KBASE_HI, base_9, 0x9 ) |
			    IO_FIELD(R_MMU_KBASE_HI, base_8, 0x8 ) );
	
	*R_MMU_KBASE_LO = ( IO_FIELD(R_MMU_KBASE_LO, base_7, 0x0 ) |
			    IO_FIELD(R_MMU_KBASE_LO, base_6, 0x4 ) |
			    IO_FIELD(R_MMU_KBASE_LO, base_5, 0x0 ) |
			    IO_FIELD(R_MMU_KBASE_LO, base_4, 0x0 ) |
			    IO_FIELD(R_MMU_KBASE_LO, base_3, 0x0 ) |
			    IO_FIELD(R_MMU_KBASE_LO, base_2, 0x0 ) |
			    IO_FIELD(R_MMU_KBASE_LO, base_1, 0x0 ) |
			    IO_FIELD(R_MMU_KBASE_LO, base_0, 0x0 ) );
#else
	/* This code is for the corrected Etrax-100 LX version 2... */

#define CACHED_BOOTROM (KSEG_A | 0x08000000UL)

	*R_MMU_KSEG = ( IO_STATE(R_MMU_KSEG, seg_f, seg  ) | /* cached flash */
			IO_STATE(R_MMU_KSEG, seg_e, seg  ) | /* uncached flash */
			IO_STATE(R_MMU_KSEG, seg_d, page ) | /* vmalloc area */
			IO_STATE(R_MMU_KSEG, seg_c, seg  ) | /* kernel area */
			IO_STATE(R_MMU_KSEG, seg_b, seg  ) | /* kernel reg area */
			IO_STATE(R_MMU_KSEG, seg_a, seg  ) | /* bootrom */
			IO_STATE(R_MMU_KSEG, seg_9, page ) | /* user area */
			IO_STATE(R_MMU_KSEG, seg_8, page ) |
			IO_STATE(R_MMU_KSEG, seg_7, page ) |
			IO_STATE(R_MMU_KSEG, seg_6, page ) |
//.........这里部分代码省略.........
开发者ID:Antonio-Zhou，项目名称:Linux-2.6.11，代码行数:101，代码来源:init.c


示例19: start_timer1

inline void start_timer1(unsigned long delay_us)
{
  int freq_index = 0; /*                               */
  unsigned long upper_limit = MAX_DELAY_US;

  unsigned long div;
  /*                                                  */
  /*                            
                                                
   */
#if 1 /*                         */
  while (delay_us < upper_limit && freq_index < MAX_USABLE_TIMER_FREQ)
  {
    freq_index++;
    upper_limit >>= 1; /*                         */
  }
  if (freq_index > 0)
  {
    freq_index--;
  }
#else
  freq_index = 6;
#endif
  div = delay_us * timer_freq_100[freq_index]/10000;
  if (div < 2)
  {
    /*                            */
    div = 2;
  }
  if (div > 255)
  {
    div = 0; /*                                         */
    /*                                                       
                                                
     */
  }

  timer_div_settings[fast_timers_started % NUM_TIMER_STATS] = div;
  timer_freq_settings[fast_timers_started % NUM_TIMER_STATS] = freq_index;
  timer_delay_settings[fast_timers_started % NUM_TIMER_STATS] = delay_us;

	D1(printk(KERN_DEBUG "start_timer1 : %d us freq: %i div: %i\n",
            delay_us, freq_index, div));
  /*                  */
  *R_IRQ_MASK0_CLR = IO_STATE(R_IRQ_MASK0_CLR, timer1, clr);

  /*                  */
  *R_TIMER_CTRL = r_timer_ctrl_shadow =
    (r_timer_ctrl_shadow &
     ~IO_MASK(R_TIMER_CTRL, timerdiv1) &
     ~IO_MASK(R_TIMER_CTRL, tm1) &
     ~IO_MASK(R_TIMER_CTRL, clksel1)) |
    IO_FIELD(R_TIMER_CTRL, timerdiv1, div) |
    IO_STATE(R_TIMER_CTRL, tm1, stop_ld) |
    IO_FIELD(R_TIMER_CTRL, clksel1, freq_index ); /*           */

  /*               */
  *R_TIMER_CTRL =  r_timer_ctrl_shadow |
    IO_STATE(R_TIMER_CTRL, i1, clr);

  /*             */
  *R_TIMER_CTRL = r_timer_ctrl_shadow =
    (r_timer_ctrl_shadow & ~IO_MASK(R_TIMER_CTRL, tm1)) |
    IO_STATE(R_TIMER_CTRL, tm1, run);

  /*                   */
  *R_IRQ_MASK0_SET = IO_STATE(R_IRQ_MASK0_SET, timer1, set);
  fast_timers_started++;
  fast_timer_running = 1;
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:70，代码来源:fasttimer.c


示例20: start_port

static void
start_port(struct dbg_port* p)
{
	unsigned long rec_ctrl = 0;
	unsigned long tr_ctrl = 0;

	if (!p)
		return;

	if (p->started)
		return;
	p->started = 1;

	if (p->index == 0)
	{
		genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG, dma6);
		genconfig_shadow |= IO_STATE(R_GEN_CONFIG, dma6, unused);
	}
	else if (p->index == 1)
	{
		genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG, dma8);
		genconfig_shadow |= IO_STATE(R_GEN_CONFIG, dma8, usb);
	}
	else if (p->index == 2)
	{
		genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG, dma2);
		genconfig_shadow |= IO_STATE(R_GEN_CONFIG, dma2, par0);
		genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG, dma3);
		genconfig_shadow |= IO_STATE(R_GEN_CONFIG, dma3, par0);
		genconfig_shadow |= IO_STATE(R_GEN_CONFIG, ser2, select);
	}
	else
	{
		genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG, dma4);
		genconfig_shadow |= IO_STATE(R_GEN_CONFIG, dma4, par1);
		genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG, dma5);
		genconfig_shadow |= IO_STATE(R_GEN_CONFIG, dma5, par1);
		genconfig_shadow |= IO_STATE(R_GEN_CONFIG, ser3, select);
	}

	*R_GEN_CONFIG = genconfig_shadow;

	*p->xoff =
		IO_STATE(R_SERIAL0_XOFF, tx_stop, enable) |
		IO_STATE(R_SERIAL0_XOFF, auto_xoff, disable) |
		IO_FIELD(R_SERIAL0_XOFF, xoff_char, 0);

	switch (p->baudrate)
	{
	case 0:
	case 115200:
		*p->baud =
		  IO_STATE(R_SERIAL0_BAUD, tr_baud, c115k2Hz) |
		  IO_STATE(R_SERIAL0_BAUD, rec_baud, c115k2Hz);
		break;
	case 1200:
		*p->baud =
		  IO_STATE(R_SERIAL0_BAUD, tr_baud, c1200Hz) |
		  IO_STATE(R_SERIAL0_BAUD, rec_baud, c1200Hz);
		break;
	case 2400:
		*p->baud =
		  IO_STATE(R_SERIAL0_BAUD, tr_baud, c2400Hz) |
		  IO_STATE(R_SERIAL0_BAUD, rec_baud, c2400Hz);
		break;
	case 4800:
		*p->baud =
		  IO_STATE(R_SERIAL0_BAUD, tr_baud, c4800Hz) |
		  IO_STATE(R_SERIAL0_BAUD, rec_baud, c4800Hz);
		break;
	case 9600:
		*p->baud =
		  IO_STATE(R_SERIAL0_BAUD, tr_baud, c9600Hz) |
		  IO_STATE(R_SERIAL0_BAUD, rec_baud, c9600Hz);
		  break;
	case 19200:
		*p->baud =
		  IO_STATE(R_SERIAL0_BAUD, tr_baud, c19k2Hz) |
		  IO_STATE(R_SERIAL0_BAUD, rec_baud, c19k2Hz);
		 break;
	case 38400:
		*p->baud =
		  IO_STATE(R_SERIAL0_BAUD, tr_baud, c38k4Hz) |
		  IO_STATE(R_SERIAL0_BAUD, rec_baud, c38k4Hz);
		break;
	case 57600:
		*p->baud =
		  IO_STATE(R_SERIAL0_BAUD, tr_baud, c57k6Hz) |
		  IO_STATE(R_SERIAL0_BAUD, rec_baud, c57k6Hz);
		break;
	default:
		*p->baud =
		  IO_STATE(R_SERIAL0_BAUD, tr_baud, c115k2Hz) |
		  IO_STATE(R_SERIAL0_BAUD, rec_baud, c115k2Hz);
		  break;
        }

	if (p->parity == 'E') {
		rec_ctrl =
		  IO_STATE(R_SERIAL0_REC_CTRL, rec_par, even) |
//.........这里部分代码省略.........
开发者ID:openube，项目名称:android_kernel_sony_c2305，代码行数:101，代码来源:debugport.c



注：本文中的IO_FIELD函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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