PERFORCE change 42968 for review

[Robert Watson]

http://perforce.freebsd.org/chv.cgi?CH=42968

Change 42968 by rwatson at rwatson_powerbook on 2003/11/23 11:58:55

	Say a bit more about how to add a user to the SEBSD policy file.
	Wax poetic on the virtues of nvram and Open Firmware.

Affected files ...

.. //depot/projects/trustedbsd/sedarwin/bootstrap_instructions.txt#16 edit

Differences ...

==== //depot/projects/trustedbsd/sedarwin/bootstrap_instructions.txt#16 (text+ko) ====

@@ -195,10 +195,13 @@
   (yes, this is just temporary!).  When the policy is built, you end up with
   a policy.h file that will get copied into the XNU tree for the kernel build.
 
-  XXX: Add yourself to the user list!
+  Our sample policy file ships with three users: root, andrew, and rwatson.
+  Chances are, you'll want to add a line for your own user based on one of
+  those lines.
 
     cd policy
     make ; make install
+    cd ..
 
   Until we have this fixed, remember that when you change the policy, you need
   to re-install and remake the XNU kernel.
@@ -211,6 +214,36 @@
 
     cd apsl/xnu
     make
+    sudo cp BUILD/obj/RELEASE_PPC/mach_kernel /mach_kernel.sedarwin
+    sudo chown root:wheel /mach_kernel.sedarwin
+    sudo chmod 644 /mach_kernel.sedarwin
+    cd ../..
+
+  Once you have a new kernel in place, you'll need to use the nvram
+  command to set that kernel as the active kernel by modifying the
+  bootfile variable:
+
+    % nvram -p | grep boot
+    boot-script
+    boot-file
+    boot-command    mac-boot
+    boot-args
+    boot-device     mac-io/ata-4 at 1f000/@0:5,\\:tbxi
+    auto-boot?      true
+    boot-screen
+    % sudo nvram boot-file=mac-io/ata-4 at 1f00/@0:5,/mach_kernel.sedarwin
+
+  Note that the boot-file variable consists if {bootdevice},{filename},
+  and that the bootdevice is extracted from the more confusing
+  boot-device OF variable as found above.
+
+  As a quick note here: next time you boot, Open Firmware will boot
+  /mach_kernel.sedarwin.  You can reset it using the nvram command, or
+  on boot you can press Command-Option-O-F to interactively set OF
+  variables, or press Command-Option-P-R to clear the PRAM in the event
+  of serious problems.  Finally, you may want to set the boot-args flag
+  to "-v" to get a text-based boot with console messages, rather than the
+  pretty but less informative Apple logo, etc.
 
 Step 10: Build, Install "Libkvm"
 
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