alex/genode
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

hw: bootstrap into kernel

Browse Source 
Put the initialization of the cpu cores, setup of page-tables, enabling of
MMU and caches into a separate component that is only used to bootstrap
the kernel resp. core.

Ref #2092
This commit is contained in:
Stefan Kalkowski
2016-11-07 18:00:24 +01:00
committed by Norman Feske
parent 8aa8423cfd
commit cf943dac65
178 changed files with 2818 additions and 1806 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
tool/run/boot_dir/hw
View File

@@ -6,8 +6,7 @@ proc binary_name_gpio_drv { } { return "hw_gpio_drv" }
proc run_boot_string { } { return "\nkernel initialized" }
proc core_link_address { } {
proc bootstrap_link_address { } {
if {[have_spec "odroid_xu"]} { return "0x80000000" }
if {[have_spec "pbxa9"]} { return "0x70000000" }
if {[have_spec "usb_armory"]} { return "0x72000000" }
@@ -24,6 +23,12 @@ proc core_link_address { } {
exit -1
}
proc core_link_address { } {
if {[have_spec "riscv"]} { return "0x1000000" }
scan [bootstrap_link_address] 0x%x link_address
return [format 0x%08x [expr {$link_address + 0x10000000}]]
}
##
# Populate boot directory with binaries on hw
@@ -37,9 +42,31 @@ proc run_boot_dir {binaries} {
close $fh
}
build { lib/ld/hw }
build { lib/ld/hw bootstrap }
build_core_image $binaries
# boot module list without core
set idx [lsearch $binaries "core"]
set modules [lreplace $binaries $idx $idx]
# strip binaries
copy_and_strip_genode_binaries_to_run_dir $modules
lappend modules "config"
puts "core link address is [core_link_address]"
set core_obj core/hw/core.o
set bootstrap_obj bootstrap/hw/bootstrap.o
# create core and bootstrap binary without modules for debugging
build_core $core_obj {} [run_dir].core [core_link_address]
build_core $bootstrap_obj {} [run_dir].bootstrap [bootstrap_link_address]
# create core binary containing the boot modules
build_core $core_obj $modules [run_dir]/genode/core.elf [core_link_address]
exec [cross_dev_prefix]strip [run_dir]/genode/core.elf
build_core $bootstrap_obj { core.elf } [run_dir]/image.elf [bootstrap_link_address]
exec rm -f [run_dir]/genode/core.elf
exec [cross_dev_prefix]strip [run_dir]/image.elf
if {[have_include "image/iso"] || [have_include "image/disk"]} {
#