diff options
Diffstat (limited to 'sys/kern/sys_process.c')
| -rw-r--r-- | sys/kern/sys_process.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c index 350433c..4a01c60 100644 --- a/sys/kern/sys_process.c +++ b/sys/kern/sys_process.c @@ -28,7 +28,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: sys_process.c,v 1.12 1995/03/16 18:12:42 bde Exp $ + * $Id: sys_process.c,v 1.13 1995/05/12 21:39:48 davidg Exp $ */ #include <sys/param.h> @@ -65,16 +65,16 @@ pread (struct proc *procp, unsigned int addr, unsigned int *retval) { page_offset = addr - trunc_page(addr); pageno = trunc_page(addr); - + tmap = map; rv = vm_map_lookup (&tmap, pageno, VM_PROT_READ, &out_entry, &object, &off, &out_prot, &wired, &single_use); if (rv != KERN_SUCCESS) return EINVAL; - + vm_map_lookup_done (tmap, out_entry); - + /* Find space in kernel_map for the page we're interested in */ rv = vm_map_find (kernel_map, object, off, &kva, PAGE_SIZE, 1); @@ -108,12 +108,12 @@ pwrite (struct proc *procp, unsigned int addr, unsigned int datum) { boolean_t fix_prot = 0; /* Map page into kernel space */ - + map = &procp->p_vmspace->vm_map; - + page_offset = addr - trunc_page(addr); pageno = trunc_page(addr); - + /* * Check the permissions for the area we're interested in. */ @@ -151,7 +151,7 @@ pwrite (struct proc *procp, unsigned int addr, unsigned int datum) { */ vm_map_lookup_done (tmap, out_entry); - + /* * Fault the page in... */ @@ -176,7 +176,7 @@ pwrite (struct proc *procp, unsigned int addr, unsigned int datum) { } vm_map_remove (kernel_map, kva, kva + PAGE_SIZE); } - + if (fix_prot) vm_map_protect (map, pageno, pageno + PAGE_SIZE, VM_PROT_READ|VM_PROT_EXECUTE, 0); |
