diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/psim/tools/psim-shared')
| -rwxr-xr-x | c/src/lib/libbsp/powerpc/psim/tools/psim-shared | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/c/src/lib/libbsp/powerpc/psim/tools/psim-shared b/c/src/lib/libbsp/powerpc/psim/tools/psim-shared index c90fb52666..11be980927 100755 --- a/c/src/lib/libbsp/powerpc/psim/tools/psim-shared +++ b/c/src/lib/libbsp/powerpc/psim/tools/psim-shared @@ -37,6 +37,13 @@ gen_device_tree() fi fi + if [ X${RAM_SIZE} = X ] ; then + if [ X${NM} = X ] ; then + NM=${rtemsTarget}-nm + fi + RAM_SIZE=`$NM ${1} | awk '/\<RamSize\>/{print "0x"$1}'` + fi + cat <<EOF # # Device Tree for PSIM @@ -45,7 +52,8 @@ cat <<EOF # /#address-cells 1 /openprom/init/register/pvr 0xfffe0000 -/openprom/options/oea-memory-size 8388608 +# This must be >= than linkcmds defined RamSize! +/openprom/options/oea-memory-size $RAM_SIZE ##### EEPROM @ 0x0c000000 for 512K /eeprom@0x0c000000/reg 0x0c000000 0x80000 /eeprom@0x0c000000/nr-sectors 8 @@ -60,6 +68,41 @@ cat <<EOF ##### NVRAM/RTC RTC Portion is 0x0c100000 for 12 /nvram@0x0c080000/reg 0x0c080000 524300 /nvram@0x0c080000/timezone -3600 + +##### OPENPIC @ 0x0c130000 - 0x0c170000 (512K) +/opic@0x0c130000/reg 0x0c130000 0 0x0c130000 0x40000 +/opic@0x0c130000/interrupt-ranges 0 0 0 16 +/opic@0x0c130000/device_type open-pic +# interupt out -> CPU's interrupt pin +/opic@0x0c130000 > intr0 int /cpus/cpu@0 + +##### ETHTAP @ 0x0c100020 for 0x40 +## +## NOTE 'ethtap' currently (200902) requires psim to +## be patched -- also, it is only supported on +## a linux host. +## the 'ethtap' device transfers data from/to the +## simulated network interface to/from a 'ethertap' +## interface on the linux host (consult tun/tap +## device documentation). +## A very useful tool is 'tunctl' which allows for +## configuring user-accessible, persistent 'tap' +## devices so that psim may be executed w/o special +## (root) privileges. +# +#/ethtap@0x0c100020/reg 0x0c100020 0x40 +## route interrupt to open-pic +#/ethtap@0x0c100020 > 0 irq0 /opic@0x0c130000 +## 'tun' device on host +#/ethtap@0x0c100020/tun-device "/dev/net/tun" +## name of 'tap' device to use +#/ethtap@0x0c100020/tap-ifname "tap0" +## ethernet address of simulated IF +#/ethtap@0x0c100020/hw-address "00:00:00:22:11:00" +## generate CRC and append to received packet before +## handing over to the simulation. This is mostly for +## debugging the rtems device driver. If unsure, leave 'false'. +#/ethtap@0x0c100020/enable-crc false EOF if [ ${enable_sysv_devices} = yes ] ; then |