xnu-7195.50.7.100.1.tar.gz

[apple/xnu.git] / bsd / dev / memdev.c

diff --git a/bsd/dev/memdev.c b/bsd/dev/memdev.c
index 184862aa211f1bf1ef3c797d863154abf3d8b98e..fd7e8fa3df0624e32996014851f9739b6852d007 100644 (file)
--- a/bsd/dev/memdev.c
+++ b/bsd/dev/memdev.c
@@ -130,7 +130,7 @@ extern ppnum_t  pmap_find_phys(pmap_t pmap, addr64_t va);
  *     D_CANFREE       We support B_FREEBUF
  */
 
-static struct bdevsw mdevbdevsw = {
+static const struct bdevsw mdevbdevsw = {
        .d_open     = mdevopen,
        .d_close    = mdevclose,
        .d_strategy = mdevstrategy,
@@ -140,7 +140,7 @@ static struct bdevsw mdevbdevsw = {
        .d_type     = D_DISK,
 };
 
-static struct cdevsw mdevcdevsw = {
+static const struct cdevsw mdevcdevsw = {
        .d_open       = mdevopen,
        .d_close      = mdevclose,
        .d_read       = mdevrw,
@@ -239,7 +239,7 @@ mdevrw(dev_t dev, struct uio *uio, __unused int ioflag)
                        uio->uio_segflg = UIO_PHYS_USERSPACE;
                }
        }
-       status = uiomove64(mdata, uio_resid(uio), uio);         /* Move the data */
+       status = uiomove64(mdata, (int)uio_resid(uio), uio);    /* Move the data */
        uio->uio_segflg = saveflag;                                                     /* Restore the flag */
 
        return status;
@@ -280,7 +280,7 @@ mdevstrategy(struct buf *bp)
        }
 
        if ((blkoff + buf_count(bp)) > (mdev[devid].mdSize << 12)) {            /* Will this read go past end? */
-               buf_setcount(bp, ((mdev[devid].mdSize << 12) - blkoff));        /* Yes, trim to max */
+               buf_setcount(bp, (uint32_t)((mdev[devid].mdSize << 12) - blkoff));  /* Yes, trim to max */
        }
        /*
         * make sure the buffer's data area is
@@ -308,7 +308,7 @@ mdevstrategy(struct buf *bp)
                                }
                                paddr = (addr64_t)(((addr64_t)pp << 12) | (addr64_t)(vaddr & 4095));    /* Get actual address */
                                bcopy_phys(fvaddr, paddr, csize);               /* Copy this on in */
-                               mapping_set_mod(paddr >> 12);                   /* Make sure we know that it is modified */
+                               mapping_set_mod((ppnum_t)(paddr >> 12));        /* Make sure we know that it is modified */
 
                                left = left - csize;                                    /* Calculate what is left */
                                vaddr = vaddr + csize;                                  /* Move to next sink address */
@@ -441,7 +441,7 @@ mdevioctl(dev_t dev, u_long cmd, caddr_t data, __unused int flag,
                }
                memdev_info->mi_mdev = TRUE;
                memdev_info->mi_phys = (mdev[devid].mdFlags & mdPhys) ? TRUE : FALSE;
-               memdev_info->mi_base = mdev[devid].mdBase;
+               memdev_info->mi_base = (uint32_t)mdev[devid].mdBase;
                memdev_info->mi_size = mdev[devid].mdSize;
                break;