ARM closet cleaning: static kenv

[Bruce Simpson]

This is a patch for avila_machdep to tell it to use a statically 
compiled kenv vector.

I found I needed it when hacking on the NSLU2.

cheers
BMS
-------------- next part --------------
Index: sys/arm/xscale/ixp425/avila_machdep.c
===================================================================
--- sys/arm/xscale/ixp425/avila_machdep.c	(revision 186036)
+++ sys/arm/xscale/ixp425/avila_machdep.c	(working copy)
@@ -259,6 +259,7 @@
 	vm_offset_t freemem_after;
 	vm_offset_t lastaddr;
 	uint32_t memsize;
+	char *p;
 
 	set_cpufuncs();
 	lastaddr = fake_preload_metadata();
@@ -475,16 +476,29 @@
 	phys_avail[i++] = trunc_page(0x10000000 + memsize - 1);
 	phys_avail[i++] = 0;
 	phys_avail[i] = 0;
-	
+
+	/* use static kernel environment if so configured */
+	if (envmode == 1)
+		kern_envp = static_env;
+
+	/*
+	 * Catch case of boot_verbose set in environment.
+	 */
+	if ((p = getenv("boot_verbose")) != NULL) {
+		if (strcmp(p, "yes") == 0 || strcmp(p, "YES") == 0) {
+			boothowto |= RB_VERBOSE;
+		}
+		freeenv(p);
+	}
+
+	if (boothowto & RB_VERBOSE)
+		bootverbose = 1;
+
 	/* Do basic tuning, hz etc */
 	init_param1();
 	init_param2(physmem);
 	kdb_init();
 
-	/* use static kernel environment if so configured */
-	if (envmode == 1)
-		kern_envp = static_env;
-
 	return ((void *)(kernelstack.pv_va + USPACE_SVC_STACK_TOP -
 	    sizeof(struct pcb)));
 }