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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-12-06 19:33:38 +1100 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-12-06 19:33:38 +1100 |
commit | c0639564589417a9208d0209794fc874a0603a1e (patch) | |
tree | f7c232efe190c5ded8aa082340f0dcbd36ef4be3 /external/mambo/skiboot.tcl | |
parent | 1ee766ac7733ef975e3d40c4ccb5886299a0eb5b (diff) | |
download | skiboot-c0639564589417a9208d0209794fc874a0603a1e.zip skiboot-c0639564589417a9208d0209794fc874a0603a1e.tar.gz skiboot-c0639564589417a9208d0209794fc874a0603a1e.tar.bz2 |
Improve mambo config
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'external/mambo/skiboot.tcl')
-rw-r--r-- | external/mambo/skiboot.tcl | 74 |
1 files changed, 71 insertions, 3 deletions
diff --git a/external/mambo/skiboot.tcl b/external/mambo/skiboot.tcl index ba8bfa4..cc1fc36 100644 --- a/external/mambo/skiboot.tcl +++ b/external/mambo/skiboot.tcl @@ -33,6 +33,29 @@ mconfig payload_addr PAYLOAD_ADDR 0x20000000; # FW: Where should ePAPR Flat Devtree Binary be loaded mconfig epapr_dt_addr EPAPR_DT_ADDR 0x1f00000;# place at 31M +# Disk: Location of file to use a bogus disk 0 +mconfig rootdisk ROOTDISK none + +# Disk: File to use for re COW file: none or <file> +mconfig rootdisk_cow MAMBO_ROOTDISK_COW none + +# Disk: COW method to use +mconfig rootdisk_cow_method MAMBO_ROOTDISK_COW_METHOD newcow + +# Disk: COW hash size +mconfig rootdisk_cow_hash MAMBO_ROOTDISK_COW_HASH 1024 + +# Net: What type of networking: none, phea, bogus +mconfig net MAMBO_NET none + +# Net: What is the base interface for the tun/tap device +mconfig tap_base MAMBO_NET_TAP_BASE 0 + + +# +# Create machine config +# + define dup pegasus myconf myconf config processor/number_of_threads $mconf(threads) myconf config memory_size $mconf(memory) @@ -47,16 +70,52 @@ myconf config enable_pseries_nvram false define machine myconf mysim -source $env(LIB_DIR)/common/epapr.tcl +# +# Include various utilities +# +source $env(LIB_DIR)/common/epapr.tcl if {![info exists of::encode_compat]} { source $env(LIB_DIR)/common/openfirmware_utils.tcl } +source mambo_utils.tcl + +# +# Instanciate xscom +# -# xscom set xscom_base 0x1A0000000000 mysim xscom create $xscom_base +# Setup bogus IO + +if { $mconf(rootdisk) != "none" } { + # Now load the bogus disk image + switch $mconf(rootdisk_cow) { + none { + mysim bogus disk init 0 $mconf(rootdisk) rw + puts "bogusdisk initialized for $mconf(rootdisk)" + } + default { + mysim bogus disk init 0 $mconf(rootdisk) \ + $mconf(rootdisk_cow_method) \ + $mconf(rootdisk_cow) $mconf(rootdisk_cow_hash) + } + } +} +switch $mconf(net) { + none { + puts "No network support selected" + } + bogus - bogusnet { + set net_tap [format "tap%d" $mconf(tap_base)] + mysim bogus net init 0 $mconf(net_mac) $net_tap + } + default { + error "Bad net \[none | bogus]: $mconf(net)" + } +} + # Device tree fixups set root_node [mysim of find_device "/"] @@ -87,21 +146,30 @@ lappend compat "ibm,power8-xscom" set compat [of::encode_compat $compat] mysim of addprop $xscom_node byte_array "compatible" $compat +# Flatten it + epapr::of2dtb mysim $mconf(epapr_dt_addr) +# Load images + set boot_size [file size $mconf(boot_image)] mysim memory fread $mconf(boot_load) $boot_size $mconf(boot_image) set payload_size [file size $mconf(payload)] mysim memory fread $mconf(payload_addr) $payload_size $mconf(payload) +# Init CPUs + for { set i 0 } { $i < $mconf(threads) } { incr i } { mysim mcm 0 cpu 0 thread $i set spr pc $mconf(boot_pc) mysim mcm 0 cpu 0 thread $i set gpr 3 $mconf(epapr_dt_addr) mysim mcm 0 cpu 0 thread $i config_on } -source mambo_utils.tcl +# Tools +# Turbo mode & run ton +c + |