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\ *****************************************************************************
\ * Copyright (c) 2011 IBM Corporation
\ * All rights reserved.
\ * This program and the accompanying materials
\ * are made available under the terms of the BSD License
\ * which accompanies this distribution, and is available at
\ * http://www.opensource.org/licenses/bsd-license.php
\ *
\ * Contributors:
\ * IBM Corporation - initial implementation
\ ****************************************************************************/
\ KVM/qemu RTAS
\ rtas control block
371 cp
STRUCT
/l field rtas>token
/l field rtas>nargs
/l field rtas>nret
/l field rtas>args0
/l field rtas>args1
/l field rtas>args2
/l field rtas>args3
/l field rtas>args4
/l field rtas>args5
/l field rtas>args6
/l field rtas>args7
/l C * field rtas>args
/l field rtas>bla
CONSTANT /rtas-control-block
CREATE rtas-cb /rtas-control-block allot
rtas-cb /rtas-control-block erase
0 VALUE rtas-base
0 VALUE rtas-size
0 VALUE rtas-node
s" /rtas" find-node to rtas-node
373 cp
: enter-rtas ( -- )
rtas-cb rtas-base 0 rtas-base call-c drop
;
: rtas-get-token ( str len -- token | 0 )
rtas-node get-package-property IF 0 ELSE drop l@ THEN
;
#include <rtas/rtas-reboot.fs>
#include <rtas/rtas-cpu.fs>
: rtas-set-tce-bypass ( unit enable -- )
" ibm,set-tce-bypass" rtas-get-token rtas-cb rtas>token l!
2 rtas-cb rtas>nargs l!
0 rtas-cb rtas>nret l!
rtas-cb rtas>args1 l!
rtas-cb rtas>args0 l!
enter-rtas
;
: rtas-quiesce ( -- )
fdt-flatten-tree
dup hv-update-dt ?dup IF
\ Ignore hcall not implemented error, print error otherwise
dup -2 <> IF ." HV-UPDATE-DT error: " . cr ELSE drop THEN
THEN
fdt-flatten-tree-free
" quiesce" rtas-get-token rtas-cb rtas>token l!
0 rtas-cb rtas>nargs l!
0 rtas-cb rtas>nret l!
enter-rtas
;
0 value puid
: rtas-do-config-@ ( config-addr size -- value)
[ s" ibm,read-pci-config" rtas-get-token ] LITERAL rtas-cb rtas>token l!
4 rtas-cb rtas>nargs l!
2 rtas-cb rtas>nret l!
( addr size ) rtas-cb rtas>args3 l!
puid rtas-cb rtas>args2 l!
puid 20 rshift rtas-cb rtas>args1 l!
( addr ) rtas-cb rtas>args0 l!
enter-rtas
rtas-cb rtas>args4 l@ dup IF
\ Do not warn on error as this is part of the
\ normal PCI probing pass
drop ffffffff
ELSE
drop rtas-cb rtas>args5 l@
THEN
;
: rtas-do-config-! ( value config-addr size )
[ s" ibm,write-pci-config" rtas-get-token ] LITERAL rtas-cb rtas>token l!
5 rtas-cb rtas>nargs l!
1 rtas-cb rtas>nret l!
( value addr size ) rtas-cb rtas>args3 l!
puid rtas-cb rtas>args2 l!
puid 20 rshift rtas-cb rtas>args1 l!
( value addr ) rtas-cb rtas>args0 l!
( value ) rtas-cb rtas>args4 l!
enter-rtas
rtas-cb rtas>args5 l@ dup IF
." RTAS write config err " . cr
ELSE drop THEN
;
: rtas-config-b@ ( config-addr -- value )
1 rtas-do-config-@ ff and
;
: rtas-config-b! ( value config-addr -- )
1 rtas-do-config-!
;
: rtas-config-w@ ( config-addr -- value )
2 rtas-do-config-@ ffff and
;
: rtas-config-w! ( value config-addr -- )
2 rtas-do-config-!
;
: rtas-config-l@ ( config-addr -- value )
4 rtas-do-config-@ ffffffff and
;
: rtas-config-l! ( value config-addr -- )
4 rtas-do-config-!
;
: of-start-cpu rtas-start-cpu ;
' power-off to halt
' rtas-system-reboot to reboot
\ Methods of the rtas node proper
rtas-node set-node
: open true ;
: close ;
: store-rtas-loc ( adr )
s" /rtas" find-node >r
encode-int s" slof,rtas-base" r@ set-property
rtas-size encode-int s" slof,rtas-size" r> set-property
;
: instantiate-rtas ( adr -- entry )
dup store-rtas-loc
dup rtas-base swap rtas-size move
;
hv-rtas-get
dup encode-int s" rtas-size" s" /rtas" find-node set-property
to rtas-size
to rtas-base
device-end
374 cp
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