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C++ KDASSERT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KDASSERT函数的典型用法代码示例。如果您正苦于以下问题:C++ KDASSERT函数的具体用法?C++ KDASSERT怎么用?C++ KDASSERT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KDASSERT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: cpu_intr

void
cpu_intr(int ppl, vaddr_t pc, uint32_t status)
{
	struct cpu_info * const ci = curcpu();
	uint32_t pending;
	int ipl;
#ifdef DIAGNOSTIC
	const int mtx_count = ci->ci_mtx_count;
	const u_int biglock_count = ci->ci_biglock_count;
	const u_int blcnt = curlwp->l_blcnt;
#endif
	KASSERT(ci->ci_cpl == IPL_HIGH);
	KDASSERT(mips_cp0_status_read() & MIPS_SR_INT_IE);

	ci->ci_data.cpu_nintr++;

	while (ppl < (ipl = splintr(&pending))) {
		KDASSERT(mips_cp0_status_read() & MIPS_SR_INT_IE);
		splx(ipl);	/* lower to interrupt level */
		KDASSERT(mips_cp0_status_read() & MIPS_SR_INT_IE);

		KASSERTMSG(ci->ci_cpl == ipl,
		    "%s: cpl (%d) != ipl (%d)", __func__, ci->ci_cpl, ipl);
		KASSERT(pending != 0);

		cf.pc = pc;
		cf.sr = status;
		cf.intr = (ci->ci_idepth > 1);

#ifdef MIPS3_ENABLE_CLOCK_INTR
		if (pending & MIPS_INT_MASK_5) {
			KASSERTMSG(ipl == IPL_SCHED,
			    "%s: ipl (%d) != IPL_SCHED (%d)",
			     __func__, ipl, IPL_SCHED);
			/* call the common MIPS3 clock interrupt handler */ 
			mips3_clockintr(&cf);
			pending ^= MIPS_INT_MASK_5;
		}
#endif

		if (pending != 0) {
			/* Process I/O and error interrupts. */
			evbmips_iointr(ipl, pc, pending);
		}
		KASSERT(biglock_count == ci->ci_biglock_count);
		KASSERT(blcnt == curlwp->l_blcnt);
		KASSERT(mtx_count == ci->ci_mtx_count);

		/*
		 * If even our spl is higher now (due to interrupting while
		 * spin-lock is held and higher IPL spin-lock is locked, it
		 * can no longer be locked so it's safe to lower IPL back
		 * to ppl.
		 */
		(void) splhigh();	/* disable interrupts */
	}

	KASSERT(ci->ci_cpl == IPL_HIGH);
	KDASSERT(mips_cp0_status_read() & MIPS_SR_INT_IE);
}
开发者ID:goroutines,项目名称:rumprun,代码行数:60,代码来源:interrupt.c


示例2: sysfpga_intr_evcnt

struct evcnt *
sysfpga_intr_evcnt(int group, int inum)
{
	struct evcnt *ev = NULL;

	KDASSERT(group < SYSFPGA_NGROUPS);
	KDASSERT(sysfpga_sc->sc_ih[group] != NULL);

	switch (group) {
	case SYSFPGA_IGROUP_IRL1:
		KDASSERT(inum >= 0 && inum < SYSFPGA_IRL1_NINTR);
		ev = &sysfpga_irl1_intr_events[inum];
		break;

	case SYSFPGA_IGROUP_IRL2:
		ev = &sysfpga_irl2_intr_events;
		break;

	case SYSFPGA_IGROUP_IRL3:
		ev = &sysfpga_irl3_intr_events;
		break;
	}

	return (ev);
}
开发者ID:MarginC,项目名称:kame,代码行数:25,代码来源:sysfpga.c


示例3: v7fs_readlink

int
v7fs_readlink(void *v)
{
	struct vop_readlink_args /* {
				    struct vnode	*a_vp;
				    struct uio		*a_uio;
				    kauth_cred_t	a_cred;
				    } */ *a = v;
	struct uio *uio = a->a_uio;
	struct vnode *vp = a->a_vp;
	struct v7fs_node *v7node = vp->v_data;
	struct v7fs_inode *inode = &v7node->inode;
	struct v7fs_self *fs = v7node->v7fsmount->core;
	int error = 0;

	KDASSERT(vp->v_type == VLNK);
	KDASSERT(uio->uio_offset >= 0);
	KDASSERT(v7fs_inode_islnk(inode));

	v7fs_daddr_t blk = inode->addr[0];
	void *buf;
	if (!(buf = scratch_read(fs, blk))) {
		error = EIO;
		goto error_exit;
	}

	if ((error = uiomove(buf, strlen(buf), uio))) {
		DPRINTF("uiomove failed.\n");
	}
	scratch_free(fs, buf);

error_exit:
	return error;
}
开发者ID:ryo,项目名称:netbsd-src,代码行数:34,代码来源:v7fs_vnops.c


示例4: slugled_defer

static void
slugled_defer(device_t self)
{
	struct slugled_softc *sc = device_private(self);
	struct ixp425_softc *ixsc = ixp425_softc;
	uint32_t reg;
	int s;

	s = splhigh();

	/* Configure LED GPIO pins as output */
	reg = GPIO_CONF_READ_4(ixsc, IXP425_GPIO_GPOER);
	reg &= ~(LEDBITS_USB0 | LEDBITS_USB1);
	reg &= ~(LEDBITS_READY | LEDBITS_STATUS);
	GPIO_CONF_WRITE_4(ixsc, IXP425_GPIO_GPOER, reg);

	/* All LEDs off */
	reg = GPIO_CONF_READ_4(ixsc, IXP425_GPIO_GPOUTR);
	reg |= LEDBITS_USB0 | LEDBITS_USB1;
	reg &= ~(LEDBITS_STATUS | LEDBITS_READY);
	GPIO_CONF_WRITE_4(ixsc, IXP425_GPIO_GPOUTR, reg);

	splx(s);

	if (shutdownhook_establish(slugled_shutdown, sc) == NULL)
		aprint_error_dev(self, "WARNING - Failed to register shutdown hook\n");

	callout_init(&sc->sc_usb0, 0);
	callout_setfunc(&sc->sc_usb0, slugled_callout,
	    (void *)(uintptr_t)LEDBITS_USB0);

	callout_init(&sc->sc_usb1, 0);
	callout_setfunc(&sc->sc_usb1, slugled_callout,
	    (void *)(uintptr_t)LEDBITS_USB1);

	callout_init(&sc->sc_usb2, 0);
	callout_setfunc(&sc->sc_usb2, slugled_callout,
	    (void *)(uintptr_t)(LEDBITS_USB0 | LEDBITS_USB1));

	sc->sc_usb0_ih = ixp425_intr_establish(PCI_INT_A, IPL_USB,
	    slugled_intr0, sc);
	KDASSERT(sc->sc_usb0_ih != NULL);
	sc->sc_usb1_ih = ixp425_intr_establish(PCI_INT_B, IPL_USB,
	    slugled_intr1, sc);
	KDASSERT(sc->sc_usb1_ih != NULL);
	sc->sc_usb2_ih = ixp425_intr_establish(PCI_INT_C, IPL_USB,
	    slugled_intr2, sc);
	KDASSERT(sc->sc_usb2_ih != NULL);

	sc->sc_tmr_ih = ixp425_intr_establish(IXP425_INT_TMR0, IPL_CLOCK,
	    slugled_tmr, NULL);
	KDASSERT(sc->sc_tmr_ih != NULL);
}
开发者ID:krytarowski,项目名称:netbsd-current-src-sys,代码行数:53,代码来源:nslu2_leds.c


示例5: v7fs_readdir

int
v7fs_readdir(void *v)
{
	struct vop_readdir_args /* {
				   struct vnode *a_vp;
				   struct uio *a_uio;
				   kauth_cred_t a_cred;
				   int *a_eofflag;
				   off_t **a_cookies;
				   int *a_ncookies;
				   } */ *a = v;
	struct uio *uio = a->a_uio;
	struct vnode *vp = a->a_vp;
	struct v7fs_node *v7node = vp->v_data;
	struct v7fs_inode *inode = &v7node->inode;
	struct v7fs_self *fs = v7node->v7fsmount->core;
	struct dirent *dp;
	int error;

	DPRINTF("offset=%zu residue=%zu\n", uio->uio_offset, uio->uio_resid);

	KDASSERT(vp->v_type == VDIR);
	KDASSERT(uio->uio_offset >= 0);
	KDASSERT(v7fs_inode_isdir(inode));

	struct v7fs_readdir_arg arg;
	arg.start = uio->uio_offset / sizeof(*dp);
	arg.end = arg.start +  uio->uio_resid / sizeof(*dp);
	if (arg.start == arg.end) {/* user buffer has not enuf space. */
		DPRINTF("uio buffer too small\n");
		return ENOMEM;
	}
	dp = kmem_zalloc(sizeof(*dp), KM_SLEEP);
	arg.cnt = 0;
	arg.dp = dp;
	arg.uio = uio;

	*a->a_eofflag = false;
	error = v7fs_datablock_foreach(fs, inode, readdir_subr, &arg);
	if (error == V7FS_ITERATOR_END) {
		*a->a_eofflag = true;
	}
	if (error < 0)
		error = 0;

	kmem_free(dp, sizeof(*dp));

	return error;
}
开发者ID:ryo,项目名称:netbsd-src,代码行数:49,代码来源:v7fs_vnops.c


示例6: ffs_wapbl_replay_finish

/*
 * This function is invoked after a log is replayed to
 * disk to perform logical cleanup actions as described by
 * the log
 */
void
ffs_wapbl_replay_finish(struct mount *mp)
{
	struct wapbl_replay *wr = mp->mnt_wapbl_replay;
	int i;
	int error;

	if (!wr)
		return;

	KDASSERT((mp->mnt_flag & MNT_RDONLY) == 0);

	for (i = 0; i < wr->wr_inodescnt; i++) {
		struct vnode *vp;
		struct inode *ip;
		error = VFS_VGET(mp, wr->wr_inodes[i].wr_inumber, &vp);
		if (error) {
			printf("ffs_wapbl_replay_finish: "
			    "unable to cleanup inode %u\n",
			    wr->wr_inodes[i].wr_inumber);
			continue;
		}
		ip = VTOI(vp);
		KDASSERT(wr->wr_inodes[i].wr_inumber == ip->i_number);
#ifdef WAPBL_DEBUG
		printf("ffs_wapbl_replay_finish: "
		    "cleaning inode %llu size=%llu mode=%o nlink=%d\n",
		    ip->i_number, DIP(ip, size), DIP(ip, mode), DIP(ip, nlink));
#endif
		KASSERT(DIP(ip, nlink) == 0);

		/*
		 * The journal may have left partially allocated inodes in mode
		 * zero.  This may occur if a crash occurs betweeen the node
		 * allocation in ffs_nodeallocg and when the node is properly
		 * initialized in ufs_makeinode.  If so, just dallocate them.
		 */
		if (DIP(ip, mode) == 0) {
			UFS_WAPBL_BEGIN(mp);
			ffs_inode_free(ip, ip->i_number,
			    wr->wr_inodes[i].wr_imode);
			UFS_WAPBL_END(mp);
		}
		vput(vp);
	}
	wapbl_replay_stop(wr);
	wapbl_replay_free(wr);
	mp->mnt_wapbl_replay = NULL;
}
开发者ID:SylvestreG,项目名称:bitrig,代码行数:54,代码来源:ffs_wapbl.c


示例7: sh4_switch_setup

/*
 * void sh4_switch_setup(struct proc *p):
 *	prepare kernel stack PTE table. sh4_switch_resume wired this PTE.
 */
void
sh4_switch_setup(struct proc *p)
{
	pt_entry_t *pte;
	struct md_upte *md_upte = p->p_md.md_upte;
	uint32_t vpn;
	int i, e;

	vpn = (uint32_t)p->p_addr;
	vpn &= ~PGOFSET;
	e = SH4_UTLB_ENTRY - UPAGES;
	for (i = 0; i < UPAGES; i++, e++, vpn += PAGE_SIZE) {
		pte = __pmap_kpte_lookup(vpn);
		KDASSERT(pte && *pte != 0);
		/* Address array */
		md_upte->addr = SH4_UTLB_AA | (e << SH4_UTLB_E_SHIFT);
		md_upte->data = vpn | SH4_UTLB_AA_D | SH4_UTLB_AA_V;
		md_upte++;
		/* Data array */
		md_upte->addr = SH4_UTLB_DA1 | (e << SH4_UTLB_E_SHIFT);
		md_upte->data = (*pte & PG_HW_BITS) |
		    SH4_UTLB_DA1_D | SH4_UTLB_DA1_V;
		md_upte++;
	}
}
开发者ID:ajinkya93,项目名称:OpenBSD,代码行数:29,代码来源:locore_c.c


示例8: v7fs_update

int
v7fs_update(struct vnode *vp, const struct timespec *acc,
    const struct timespec *mod, int flags)
{
	struct v7fs_node *v7node = vp->v_data;
	struct v7fs_inode *inode = &v7node->inode;
	struct v7fs_self *fs = v7node->v7fsmount->core;
	bool update = false;

	DPRINTF("%p %zu %d\n", vp, vp->v_size, v7fs_inode_filesize(inode));
	KDASSERT(vp->v_size == v7fs_inode_filesize(inode));

	if (v7node->update_atime) {
		inode->atime = acc ? acc->tv_sec : time_second;
		v7node->update_atime = false;
		update = true;
	}
	if (v7node->update_ctime) {
		inode->ctime = time_second;
		v7node->update_ctime = false;
		update = true;
	}
	if (v7node->update_mtime) {
		inode->mtime = mod ? mod->tv_sec : time_second;
		v7node->update_mtime = false;
		update = true;
	}

	if (update)
		v7fs_inode_writeback(fs, inode);

	return 0;
}
开发者ID:ryo,项目名称:netbsd-src,代码行数:33,代码来源:v7fs_vnops.c


示例9: v7fs_strategy

int
v7fs_strategy(void *v)
{
	struct vop_strategy_args /* {
				    struct vnode *a_vp;
				    struct buf *a_bp;
				    } */ *a = v;
	struct buf *b = a->a_bp;
	struct vnode *vp = a->a_vp;
	struct v7fs_node *v7node = vp->v_data;
	struct v7fs_mount *v7fsmount = v7node->v7fsmount;
	int error;

	DPRINTF("%p\n", vp);
	KDASSERT(vp->v_type == VREG);
	if (b->b_blkno == b->b_lblkno) {
		error = VOP_BMAP(vp, b->b_lblkno, NULL, &b->b_blkno, NULL);
		if (error) {
			b->b_error = error;
			biodone(b);
			return error;
		}
		if ((long)b->b_blkno == -1)
			clrbuf(b);
	}
	if ((long)b->b_blkno == -1) {
		biodone(b);
		return 0;
	}

	return VOP_STRATEGY(v7fsmount->devvp, b);
}
开发者ID:ryo,项目名称:netbsd-src,代码行数:32,代码来源:v7fs_vnops.c


示例10: sh4_switch_setup

/*
 * Prepare kernel stack PTE table.  sh4_switch_resume wires these PTEs.
 */
void
sh4_switch_setup(struct lwp *l)
{
	struct md_upte *md_upte;
	uint32_t vpn;
	pt_entry_t *pte;
	int i, e;

	md_upte = l->l_md.md_upte;
	vpn = sh3_trunc_page(uvm_lwp_getuarea(l));
	e = SH4_UTLB_ENTRY - UPAGES;

	for (i = 0; i < UPAGES; ++i) {
		pte = __pmap_kpte_lookup(vpn);
		KDASSERT(pte && *pte != 0);

		/* Address array */
		md_upte->addr = SH4_UTLB_AA | (e << SH4_UTLB_E_SHIFT);
		md_upte->data = vpn | SH4_UTLB_AA_D | SH4_UTLB_AA_V;
		++md_upte;

		/* Data array */
		md_upte->addr = SH4_UTLB_DA1 | (e << SH4_UTLB_E_SHIFT);
		md_upte->data = (*pte & PG_HW_BITS) |
		    SH4_UTLB_DA1_D | SH4_UTLB_DA1_V;
		++md_upte;

		vpn += PAGE_SIZE;
		++e;
	}
}
开发者ID:ryo,项目名称:netbsd-src,代码行数:34,代码来源:locore_c.c


示例11: intc_intr

void
intc_intr(int ssr, int spc, int ssp)
{
	struct intc_intrhand *ih;
	int s, evtcode;

	evtcode = _reg_read_4(SH4_INTEVT);

	ih = EVTCODE_IH(evtcode);
	KDASSERT(ih->ih_func);
	/*
	 * On entry, all interrrupts are disabled, and exception is enabled.
	 * Enable higher level interrupt here.
	 */
	s = _cpu_intr_resume(ih->ih_level);

	if (evtcode == SH_INTEVT_TMU0_TUNI0) {	/* hardclock */
		struct clockframe cf;
		cf.spc = spc;
		cf.ssr = ssr;
		cf.ssp = ssp;
		(*ih->ih_func)(&cf);
	} else {
		(*ih->ih_func)(ih->ih_arg);
	}
}
开发者ID:MarginC,项目名称:kame,代码行数:26,代码来源:machdep.c


示例12: bus_space_create

/* create default bus_space_tag */
bus_space_tag_t
bus_space_create(bus_space_tag_t t, const char *name,
    bus_addr_t addr, bus_size_t size)
{
	struct playstation2_bus_space *pbs = (void *)t; /* discard const */

	if (pbs == 0)
		pbs = malloc(sizeof(*pbs), M_DEVBUF, M_NOWAIT);
	KDASSERT(pbs);

	memset(pbs, 0, sizeof(*pbs));

	/* set default method */
	*pbs = _default_bus_space;
	pbs->pbs_cookie = pbs;

	/* set access region */
	if (size == 0) {
		pbs->pbs_base_addr = addr; /* no extent */
	} else {
		pbs->pbs_extent = extent_create(name, addr, addr + size - 1,
		    M_DEVBUF, 0, 0, EX_NOWAIT);
		if (pbs->pbs_extent == 0) {
			panic("%s:: unable to create bus_space for "
			    "0x%08lx-%#lx\n", __FUNCTION__, addr, size);
		}
	}

	return (pbs);
}
开发者ID:MarginC,项目名称:kame,代码行数:31,代码来源:bus_space.c


示例13: intc_intr

void
intc_intr(int ssr, int spc, int ssp)
{
	struct intc_intrhand *ih;
	int evtcode;
	u_int16_t r;

	evtcode = _reg_read_4(CPU_IS_SH3 ? SH7709_INTEVT2 : SH4_INTEVT);

	ih = EVTCODE_IH(evtcode);
	KDASSERT(ih->ih_func);
	/*
	 * On entry, all interrrupts are disabled,
	 * and exception is enabled for P3 access. (kernel stack is P3,
	 * SH3 may or may not cause TLB miss when access stack.)
	 * Enable higher level interrupt here.
	 */
	r = _reg_read_2(HD6446X_NIRR);

	splx(ih->ih_level);

	if (evtcode == SH_INTEVT_TMU0_TUNI0) {
		struct clockframe cf;
		cf.spc = spc;
		cf.ssr = ssr;
		cf.ssp = ssp;
		(*ih->ih_func)(&cf);
		__dbg_heart_beat(HEART_BEAT_RED);
	} else if (evtcode ==
	    (CPU_IS_SH3 ? SH7709_INTEVT2_IRQ4 : SH_INTEVT_IRL11)) {
		int cause = r & hd6446x_ienable;
		struct hd6446x_intrhand *hh = &hd6446x_intrhand[ffs(cause) - 1];
		if (cause == 0) {
			printf("masked HD6446x interrupt.0x%04x\n", r);
			_reg_write_2(HD6446X_NIRR, 0x0000);
			return;
		}
		/* Enable higher level interrupt*/
		hd6446x_intr_resume(hh->hh_ipl);
		KDASSERT(hh->hh_func != NULL);
		(*hh->hh_func)(hh->hh_arg);
		__dbg_heart_beat(HEART_BEAT_GREEN);
	} else {
		(*ih->ih_func)(ih->ih_arg);
		__dbg_heart_beat(HEART_BEAT_BLUE);
	}
}
开发者ID:MarginC,项目名称:kame,代码行数:47,代码来源:machdep.c


示例14: v7fs_create

int
v7fs_create(void *v)
{
	struct vop_create_v3_args /* {
				  struct vnode *a_dvp;
				  struct vnode **a_vpp;
				  struct componentname *a_cnp;
				  struct vattr *a_vap;
				  } */ *a = v;
	struct v7fs_node *parent_node = a->a_dvp->v_data;
	struct v7fs_mount *v7fsmount = parent_node->v7fsmount;
	struct v7fs_self *fs = v7fsmount->core;
	struct mount *mp = v7fsmount->mountp;
	struct v7fs_fileattr attr;
	struct vattr *va = a->a_vap;
	kauth_cred_t cr = a->a_cnp->cn_cred;
	v7fs_ino_t ino;
	int error = 0;

	DPRINTF("%s parent#%d\n", a->a_cnp->cn_nameptr,
	    parent_node->inode.inode_number);
	KDASSERT((va->va_type == VREG) || (va->va_type == VSOCK));

	memset(&attr, 0, sizeof(attr));
	attr.uid = kauth_cred_geteuid(cr);
	attr.gid = kauth_cred_getegid(cr);
	attr.mode = va->va_mode | vtype_to_v7fs_mode (va->va_type);
	attr.device = 0;

	/* Allocate disk entry. and register its entry to parent directory. */
	if ((error = v7fs_file_allocate(fs, &parent_node->inode,
		    a->a_cnp->cn_nameptr, &attr, &ino))) {
		DPRINTF("v7fs_file_allocate failed.\n");
		return error;
	}
	/* Sync dirent size change. */
	uvm_vnp_setsize(a->a_dvp, v7fs_inode_filesize(&parent_node->inode));

	/* Get myself vnode. */
	*a->a_vpp = 0;
	if ((error = v7fs_vget(mp, ino, a->a_vpp))) {
		DPRINTF("v7fs_vget failed.\n");
		return error;
	}

	/* Scheduling update time. real update by v7fs_update */
	struct v7fs_node *newnode = (*a->a_vpp)->v_data;
	newnode->update_ctime = true;
	newnode->update_mtime = true;
	newnode->update_atime = true;
	DPRINTF("allocated %s->#%d\n", a->a_cnp->cn_nameptr, ino);

	if (error == 0)
		VOP_UNLOCK(*a->a_vpp);

	return error;
}
开发者ID:ryo,项目名称:netbsd-src,代码行数:57,代码来源:v7fs_vnops.c


示例15: timer_one_shot

void
timer_one_shot(int timer)
{
	KDASSERT(LEGAL_TIMER(timer) && timer != 0);

	_reg_write_4(T_COUNT_REG(timer), 0);
	_reg_write_4(T_COMP_REG(timer), 1);
	_reg_write_4(T_MODE_REG(timer), T_MODE_CUE | T_MODE_CMPE);
}
开发者ID:lacombar,项目名称:netbsd-alc,代码行数:9,代码来源:timer.c


示例16: micphy_writexreg

static void micphy_writexreg(struct mii_softc *sc, uint32_t reg, uint32_t wval)
{
	int rval __diagused;

	PHY_WRITE(sc, XREG_CONTROL, XREG_CTL_SEL_WRITE | reg);
	PHY_WRITE(sc, XREG_WRITE, wval);
	PHY_WRITE(sc, XREG_CONTROL, XREG_CTL_SEL_READ | reg);
	rval = PHY_READ(sc, XREG_READ);
	KDASSERT(wval == rval);
}
开发者ID:ryoon,项目名称:netbsd-xhci,代码行数:10,代码来源:micphy.c


示例17: ite_sendstr

/* helper functions, makes the code below more readable */
inline static void
ite_sendstr(const char *str)
{
	struct tty *kbd_tty;

	kbd_tty = kbd_ite->tp;
	KDASSERT(kbd_tty);
	while (*str)
		kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
}
开发者ID:lacombar,项目名称:netbsd-alc,代码行数:11,代码来源:ite.c


示例18: itepoll

int
itepoll(dev_t dev, int events, struct lwp *l)
{
	struct tty *tp;

	tp = getitesp(dev)->tp;

	KDASSERT(tp);
	return ((*tp->t_linesw->l_poll)(tp, events, l));
}
开发者ID:lacombar,项目名称:netbsd-alc,代码行数:10,代码来源:ite.c


示例19: itewrite

int
itewrite(dev_t dev, struct uio *uio, int flag)
{
	struct tty *tp;

	tp = getitesp(dev)->tp;

	KDASSERT(tp);
	return tp->t_linesw->l_write(tp, uio, flag);
}
开发者ID:lacombar,项目名称:netbsd-alc,代码行数:10,代码来源:ite.c


示例20: obio_iomem_add_mapping

int
obio_iomem_add_mapping(bus_addr_t bpa, bus_size_t size, int type,
    bus_space_handle_t *bshp)
{
	u_long pa, endpa;
	vaddr_t va;
	pt_entry_t *pte;
	unsigned int m = 0;
	int io_type = type & ~OBIO_IOMEM_PCMCIA_8BIT;

	pa = trunc_page(bpa);
	endpa = round_page(bpa + size);

#ifdef DIAGNOSTIC
	if (endpa <= pa)
		panic("obio_iomem_add_mapping: overflow");
#endif

	va = uvm_km_valloc(kernel_map, endpa - pa);
	if (va == 0)
		return (ENOMEM);

	*bshp = (bus_space_handle_t)(va + (bpa & PGOFSET));

#define MODE(t, s)							\
	((t) & OBIO_IOMEM_PCMCIA_8BIT) ?				\
		_PG_PCMCIA_ ## s ## 8 :					\
		_PG_PCMCIA_ ## s ## 16
	switch (io_type) {
	default:
		panic("unknown pcmcia space.");
		/* NOTREACHED */
	case OBIO_IOMEM_PCMCIA_IO:
		m = MODE(type, IO);
		break;
	case OBIO_IOMEM_PCMCIA_MEM:
		m = MODE(type, MEM);
		break;
	case OBIO_IOMEM_PCMCIA_ATT:
		m = MODE(type, ATTR);
		break;
	}
#undef MODE

	for (; pa < endpa; pa += PAGE_SIZE, va += PAGE_SIZE) {
		pmap_kenter_pa(va, pa, PROT_READ | PROT_WRITE);
		pte = __pmap_kpte_lookup(va);
		KDASSERT(pte);
		*pte |= m;  /* PTEA PCMCIA assistant bit */
		sh_tlb_update(0, va, *pte);
	}

	return (0);
}
开发者ID:ajinkya93,项目名称:OpenBSD,代码行数:54,代码来源:obio.c



注:本文中的KDASSERT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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