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-rw-r--r--qemu/roms/openbios/drivers/pci.fs68
1 files changed, 8 insertions, 60 deletions
diff --git a/qemu/roms/openbios/drivers/pci.fs b/qemu/roms/openbios/drivers/pci.fs
index 563b652a4..a7b56e1f8 100644
--- a/qemu/roms/openbios/drivers/pci.fs
+++ b/qemu/roms/openbios/drivers/pci.fs
@@ -12,59 +12,19 @@
rot encode-int encode+
;
-\ Get region offset for BAR reg
-: pci-bar-offset@ ( bar-reg -- off.lo off.hi -1 | 0 )
- " reg" active-package get-package-property 0= if
- begin
- decode-phys \ ( reg prop prop-len phys.lo phys.mid phys.hi )
- ff and 5 pick = if
- >r >r 3drop r> r>
- -1 exit
- else
- 2drop
- then
- \ Drop the size as we don't need it
- decode-int drop decode-int drop
- dup 0=
- until
- 3drop
- 0 exit
- else
- 0
- then
- ;
-
-\ Get region size for BAR reg
-: pci-bar-size@ ( bar-reg -- size )
- " reg" active-package get-package-property 0= if
- begin
- decode-phys \ ( reg prop prop-len phys.lo phys.mid phys.hi )
- ff and 5 pick = if
- 2drop decode-int drop
- decode-int
- >r 3drop r>
- exit
- else
- 2drop decode-int drop
- decode-int drop
- then
- dup 0=
- until
- 3drop
- 0 \ default size of 0 if BAR not found
- then
- ;
-
-\ Get base address for configured BAR reg
-: pci-bar-base@ ( bar-reg -- addr.lo addr.hi -1 | 0 )
+\ Get PCI physical address and size for configured BAR reg
+: pci-bar>pci-addr ( bar-reg -- addr.lo addr.mid addr.hi size -1 | 0 )
" assigned-addresses" active-package get-package-property 0= if
begin
decode-phys \ ( reg prop prop-len phys.lo phys.mid phys.hi )
- ff and 5 pick = if
- >r >r 3drop r> r>
+ dup ff and 6 pick = if
+ >r >r >r rot drop
+ decode-int drop decode-int
+ -rot 2drop
+ r> swap r> r> rot
-1 exit
else
- 2drop
+ 3drop
then
\ Drop the size as we don't need it
decode-int drop decode-int drop
@@ -77,16 +37,4 @@
then
;
-\ Get PCI bus address and size for configured BAR reg
-: pci-bar>pci-region ( bar-reg -- addr.lo addr.hi size )
- dup
- >r pci-bar-offset@ if
- swap r@ pci-bar-base@ if
- swap d+
- then
- swap r@ pci-bar-size@
- then
- r> drop
- ;
-
[THEN]