Sync in more uvm changes from NetBSD.

This time we're getting rid of KERN_* and VM_PAGER_* error codes and
use errnos instead.

3 files changed, 18 insertions, 21 deletions

diff --git a/sys/arch/mvme68k/mvme68k/machdep.c b/sys/arch/mvme68k/mvme68k/machdep.c
index c8002d34884..cf3c51eebd0 100644
--- a/sys/arch/mvme68k/mvme68k/machdep.c
+++ b/sys/arch/mvme68k/mvme68k/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.56 2001/11/24 17:53:41 miod Exp $ */
+/*	$OpenBSD: machdep.c,v 1.57 2001/11/28 13:47:38 art Exp $ */
 
 /*
  * Copyright (c) 1995 Theo de Raadt
@@ -343,7 +343,7 @@ again:
 	if (uvm_map(kernel_map, (vaddr_t *) &buffers, m68k_round_page(size),
 		    NULL, UVM_UNKNOWN_OFFSET, 0,
 		    UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE,
-				UVM_ADV_NORMAL, 0)) != KERN_SUCCESS)
+				UVM_ADV_NORMAL, 0)))
 		panic("cpu_startup: cannot allocate VM for buffers");
 	minaddr = (vaddr_t)buffers;
 	
diff --git a/sys/arch/mvme68k/mvme68k/pmap.c b/sys/arch/mvme68k/mvme68k/pmap.c
index ce7cd076711..690b73789b7 100644
--- a/sys/arch/mvme68k/mvme68k/pmap.c
+++ b/sys/arch/mvme68k/mvme68k/pmap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pmap.c,v 1.30 2001/11/07 01:18:00 art Exp $ */
+/*	$OpenBSD: pmap.c,v 1.31 2001/11/28 13:47:38 art Exp $ */
 
 /* 
  * Copyright (c) 1995 Theo de Raadt
@@ -349,14 +349,14 @@ pmap_init()
 		    NULL, UVM_UNKNOWN_OFFSET, 0,
 		    UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE,
 				UVM_INH_NONE, UVM_ADV_RANDOM,
-				UVM_FLAG_FIXED)) != KERN_SUCCESS)
+				UVM_FLAG_FIXED)))
 		goto bogons;
 	addr = (vaddr_t) Sysmap;
 	if (uvm_map(kernel_map, &addr, M68K_MAX_PTSIZE,
 	    NULL, UVM_UNKNOWN_OFFSET, 0,
 	    UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE,
 				UVM_INH_NONE, UVM_ADV_RANDOM,
-				UVM_FLAG_FIXED)) != KERN_SUCCESS) {
+				UVM_FLAG_FIXED))) {
 		/*
 		 * If this fails, it is probably because the static
 		 * portion of the kernel page table isn't big enough
@@ -446,11 +446,9 @@ pmap_init()
 	rv = uvm_map(kernel_map, &addr, s, NULL, UVM_UNKNOWN_OFFSET, 0,
 		     UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE,
 				 UVM_ADV_RANDOM, UVM_FLAG_NOMERGE));
-	if (rv != KERN_SUCCESS || (addr + s) >= (vaddr_t)Sysmap)
+	if (rv || (addr + s) >= (vaddr_t)Sysmap)
 		panic("pmap_init: kernel PT too small");
-	rv = uvm_unmap(kernel_map, addr, addr + s);
-	if (rv != KERN_SUCCESS)
-		panic("pmap_init: uvm_unmap failed");
+	uvm_unmap(kernel_map, addr, addr + s);
 
 	/*
 	 * Now allocate the space and link the pages together to
@@ -1232,7 +1230,7 @@ validate:
 		pmap_check_wiring("enter", trunc_page(pmap_pte(pmap, va)));
 #endif
 
-	return (KERN_SUCCESS);
+	return (0);
 }
 
 /*
@@ -1689,9 +1687,9 @@ pmap_mapmulti(pmap, va)
 	if (*ste == SG_NV && (*bste & SG_V)) {
 		*ste = *bste;
 		TBIAU();
-		return (KERN_SUCCESS);
+		return (0);
 	}
-	return (KERN_INVALID_ADDRESS);
+	return (EFAULT);
 }
 #endif
 
@@ -2225,8 +2223,7 @@ pmap_enter_ptpage(pmap, va)
 			printf("enter: about to fault UPT pg at %x\n", va);
 #endif
 		if (uvm_fault_wire(pt_map, va, va + PAGE_SIZE,
-		    VM_PROT_READ|VM_PROT_WRITE)
-		    != KERN_SUCCESS)
+		    VM_PROT_READ|VM_PROT_WRITE))
 			panic("pmap_enter: uvm_fault failed");
 		pmap_extract(pmap_kernel(), va, &ptpa);
 	}
diff --git a/sys/arch/mvme68k/mvme68k/trap.c b/sys/arch/mvme68k/mvme68k/trap.c
index be45d95f887..456c7a83efb 100644
--- a/sys/arch/mvme68k/mvme68k/trap.c
+++ b/sys/arch/mvme68k/mvme68k/trap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: trap.c,v 1.38 2001/11/25 17:15:20 miod Exp $ */
+/*	$OpenBSD: trap.c,v 1.39 2001/11/28 13:47:38 art Exp $ */
 
 /*
  * Copyright (c) 1995 Theo de Raadt
@@ -580,10 +580,10 @@ copyfault:
 				vm_offset_t bva;
 
 				rv = pmap_mapmulti(map->pmap, va);
-				if (rv != KERN_SUCCESS) {
+				if (rv) {
 					bva = HPMMBASEADDR(va);
 					rv = uvm_fault(map, bva, 0, ftype);
-					if (rv == KERN_SUCCESS)
+					if (rv == 0)
 						(void) pmap_mapmulti(map->pmap, va);
 				}
 			} else
@@ -602,16 +602,16 @@ copyfault:
 			 * error.
 			 */
 			if ((caddr_t)va >= vm->vm_maxsaddr && map != kernel_map) {
-				if (rv == KERN_SUCCESS) {
+				if (rv == 0) {
 					unsigned nss;
 
 					nss = btoc(USRSTACK-(unsigned)va);
 					if (nss > vm->vm_ssize)
 						vm->vm_ssize = nss;
-				} else if (rv == KERN_PROTECTION_FAILURE)
-					rv = KERN_INVALID_ADDRESS;
+				} else if (rv == EACCES)
+					rv = EFAULT;
 			}
-			if (rv == KERN_SUCCESS) {
+			if (rv == 0) {
 				if (type == T_MMUFLT) {
 #if defined(M68040)
 					if (mmutype == MMU_68040)