Major rework of how we copy data into kernel space.

We now talk to the memory and mmu instances directly rather than using the
OpenFirmware "claim" method.

6 files changed, 36 insertions, 22 deletions

diff --git a/sys/boot/ofw/libofw/elf_freebsd.c b/sys/boot/ofw/libofw/elf_freebsd.c
index e82a28d..95d4a90 100644
--- a/sys/boot/ofw/libofw/elf_freebsd.c
+++ b/sys/boot/ofw/libofw/elf_freebsd.c
@@ -52,11 +52,6 @@ ofw_elf_loadfile(char *filename, vm_offset_t dest,
 	if (r != 0)
 		return (r);
 
-	addr = OF_claim((void *)(*result)->f_addr, (*result)->f_size, 0);
-
-	if (addr == (void *)-1 || addr != (void *)(*result)->f_addr)
-		return (ENOMEM);
-
 	return (0);
 }
 
diff --git a/sys/boot/ofw/libofw/ofw_copy.c b/sys/boot/ofw/libofw/ofw_copy.c
index a7b3d83..a9e0fd6 100644
--- a/sys/boot/ofw/libofw/ofw_copy.c
+++ b/sys/boot/ofw/libofw/ofw_copy.c
@@ -35,10 +35,36 @@
 #include "libofw.h"
 
 #define	READIN_BUF	(4 * 1024)
+#define	PAGE_SIZE	0x1000
+#define	PAGE_MASK	0x0fff
+
+#define	roundup(x, y)	((((x)+((y)-1))/(y))*(y))
 
 ssize_t
 ofw_copyin(const void *src, vm_offset_t dest, const size_t len)
 {
+	void	*destp, *addr;
+	size_t	dlen;
+
+	destp = (void *)(dest & ~PAGE_MASK);
+	dlen = roundup(len, PAGE_SIZE);
+
+	if (OF_call_method("claim", memory, 3, 1, destp, dlen, 0, &addr)
+	    == -1) {
+		printf("ofw_copyin: physical claim failed\n");
+		return (0);
+	}
+
+	if (OF_call_method("claim", mmu, 3, 1, destp, dlen, 0, &addr) == -1) {
+		printf("ofw_copyin: virtual claim failed\n");
+		return (0);
+	}
+
+	if (OF_call_method("map", mmu, 4, 0, destp, destp, dlen, 0) == -1) {
+		printf("ofw_copyin: map failed\n");
+		return (0);
+	}
+
 	bcopy(src, (void *)dest, len);
 	return(len);
 }
@@ -76,7 +102,7 @@ ofw_readin(const int fd, vm_offset_t dest, const size_t len)
 			break;
 		}
 
-		bcopy(buf, (void *)p, got);
+		ofw_copyin(buf, p, got);
 	}
 
 	free(buf);
diff --git a/sys/boot/ofw/libofw/ofw_disk.c b/sys/boot/ofw/libofw/ofw_disk.c
index c6fb588..1327f18 100644
--- a/sys/boot/ofw/libofw/ofw_disk.c
+++ b/sys/boot/ofw/libofw/ofw_disk.c
@@ -181,12 +181,8 @@ ofwd_probe_devs(void)
 static int
 ofwd_init(void)
 {
-#ifdef __sparc64__
 	/* Short-circuit the device probing, since it takes too long. */
 	return 0;
-#else
-	return ofwd_init_devs();
-#endif
 }
 
 static int
diff --git a/sys/boot/ofw/libofw/ofw_memory.c b/sys/boot/ofw/libofw/ofw_memory.c
index a83b6fd..59fdce2 100644
--- a/sys/boot/ofw/libofw/ofw_memory.c
+++ b/sys/boot/ofw/libofw/ofw_memory.c
@@ -47,17 +47,15 @@ struct ofw_mapping {
 void
 ofw_memmap(void)
 {
-        ihandle_t       mmui;
-        phandle_t       mmu;
+        phandle_t       mmup;
         int             nmapping, i;
         struct          ofw_mapping mappings[256];
    
-        OF_getprop(chosen, "mmu", &mmui, 4);
-        mmu = OF_instance_to_package(mmui);
+        mmup = OF_instance_to_package(mmu);
  
         bzero(mappings, sizeof(mappings));
  
-        nmapping = OF_getprop(mmu, "translations", mappings, sizeof(mappings));
+        nmapping = OF_getprop(mmup, "translations", mappings, sizeof(mappings));
 	if (nmapping == -1) {
 		printf("Could not get memory map (%d)\n",
 		    nmapping);
@@ -79,14 +77,12 @@ ofw_memmap(void)
 void *
 ofw_alloc_heap(unsigned int size)
 {
-	ihandle_t	meminstance;
-	phandle_t	memory;
+	phandle_t	memoryp;
 	struct		ofw_reg available;
 	void		*base;
 
-	OF_getprop(chosen, "memory", &meminstance, sizeof(meminstance));
-	memory = OF_instance_to_package(meminstance);
-	OF_getprop(memory, "available", &available, sizeof(available));
+	memoryp = OF_instance_to_package(memory);
+	OF_getprop(memoryp, "available", &available, sizeof(available));
 
 	heap_base = OF_claim((void *)available.base, size, sizeof(register_t));
 
diff --git a/sys/boot/ofw/libofw/openfirm.c b/sys/boot/ofw/libofw/openfirm.c
index bb2dd20..4181067 100644
--- a/sys/boot/ofw/libofw/openfirm.c
+++ b/sys/boot/ofw/libofw/openfirm.c
@@ -68,8 +68,8 @@ int (*openfirmware)(void *);
 static ihandle_t stdin;
 static ihandle_t stdout;
 
-static ihandle_t mmu;
-static ihandle_t memory;
+ihandle_t mmu;
+ihandle_t memory;
 
 /* Initialiaser */
 
diff --git a/sys/boot/ofw/libofw/openfirm.h b/sys/boot/ofw/libofw/openfirm.h
index 86c39b0..e060117 100644
--- a/sys/boot/ofw/libofw/openfirm.h
+++ b/sys/boot/ofw/libofw/openfirm.h
@@ -71,6 +71,7 @@ typedef unsigned long int	cell_t;
 
 extern int		(*openfirmware)(void *);
 extern phandle_t	chosen;
+extern ihandle_t	memory, mmu;
 
 /*
  * This isn't actually an OpenFirmware function, but it seemed like the right