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diff --git a/qemu/roms/openbios/forth/admin/userboot.fs b/qemu/roms/openbios/forth/admin/userboot.fs
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+\ 7.4.3.5 User commands for booting
+
+: boot ( "{param-text}<cr>" -- )
+ linefeed parse
+
+ \ Copy NVRAM parameters from boot-file to bootargs in case any parameters have
+ \ been specified for the platform-specific boot code
+ s" boot-file" $find drop execute
+ encode-string
+ " /chosen" (find-dev) if
+ " bootargs" rot (property)
+ then
+
+ \ Execute platform-specific boot code, e.g. kernel
+ s" platform-boot" $find if
+ execute
+ then
+
+ (find-bootdevice) \ Setup bootargs
+ $load \ load and go
+ go
+;
+
+
+\ : diagnostic-mode? ( -- diag? )
+\ ;
+
+\ : diag-switch? ( -- diag? )
+\ ;