mirror of
https://github.com/genodelabs/genode.git
synced 2025-02-20 17:52:52 +00:00
Martin Stein
Christian Helmuth
parent
f8be04bc70
commit
8d43b67ca6
@ -74,82 +74,77 @@ proc build_boot_image {binaries} {
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# it depends on the individual run scenario.
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#
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set boot_modules "[run_dir]/boot_modules.s"
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if { [have_spec {arm}] } {
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set load_store_align_l2 2
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set min_page_align_l2 12
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# introduce boot module headers
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exec echo -e \
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"/**" \
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"\n * This file was automatically generated by the procedure" \
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"\n * 'build_boot_image' in 'base-hw/run/env'." \
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"\n */" \
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"\n" \
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"\n /* core includes */" \
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"\n.include \"macros.s\"" \
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"\n" \
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"\n_common_constants" \
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"\n" \
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"\n.section .data" \
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"\n" \
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"\n.p2align data_access_alignm_log2" \
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"\n.global _boot_modules_headers_begin" \
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"\n_boot_modules_headers_begin:" > $boot_modules
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# introduce boot module headers
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# generate header for each boot module except core
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set i 1
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foreach binary $binaries {
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if {$binary == "core"} { continue }
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exec echo -e \
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"/**" \
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"\n * This file was automatically generated by the procedure" \
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"\n * 'build_boot_image' in 'base-hw/run/env'." \
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"\n */" \
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"\n" \
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"\n.section .data" \
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"\n" \
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"\n.p2align ${load_store_align_l2}" \
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"\n.global _boot_modules_begin" \
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"\n_boot_modules_begin:" \
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"\n.string \"GROM\"" \
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"\n" \
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"\n.p2align ${load_store_align_l2}" \
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"\n.global _boot_module_headers_begin" \
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"\n_boot_module_headers_begin:" > $boot_modules
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# generate header for each boot module except core
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set i 1
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foreach binary $binaries {
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if {$binary == "core"} { continue }
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exec echo -e \
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"\n.long mod${i}_name" \
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"\n.long mod${i}_start" \
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"\n.long mod${i}_end - mod${i}_start" >> $boot_modules
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incr i
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}
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# end boot module headers
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exec echo -e \
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"\n.global _boot_module_headers_end" \
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"\n_boot_module_headers_end:" \
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"\n" >> $boot_modules
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# generate name string for each module except core
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set i 1
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foreach binary $binaries {
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if {$binary == "core"} { continue }
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exec echo -e \
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".p2align ${load_store_align_l2}" \
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"\nmod${i}_name:" \
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"\n.string \"${binary}\"" \
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"\n.byte 0" \
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"\n" >> $boot_modules
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incr i
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}
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# include raw data of modules consecutively but page aligned
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set i 1
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foreach binary $binaries {
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if {$binary == "core"} { continue }
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exec echo -e \
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".p2align ${min_page_align_l2}" \
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"\nmod${i}_start:" \
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"\n.incbin \"[run_dir]/genode/${binary}\"" \
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"\nmod${i}_end:" \
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"\n" >> $boot_modules
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incr i
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}
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# end boot-modules file
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exec echo -e \
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".global _boot_modules_end" \
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"\n_boot_modules_end:" >> $boot_modules
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} else {
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puts stderr "Error: Unknown architecture"
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puts stderr " SPEC must contain one of: 'arm'"
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exit -1
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"\n.long _boot_module_${i}_name" \
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"\n.long _boot_module_${i}_begin" \
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"\n.long _boot_module_${i}_end - _boot_module_${i}_begin" \
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>> $boot_modules
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incr i
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}
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# end boot module headers
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exec echo -e \
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"\n.global _boot_modules_headers_end" \
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"\n_boot_modules_headers_end:" >> $boot_modules
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# generate name string for each module except core
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set i 1
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foreach binary $binaries {
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if {$binary == "core"} { continue }
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exec echo -e \
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"\n.p2align data_access_alignm_log2" \
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"\n_boot_module_${i}_name:" \
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"\n.string \"${binary}\"" \
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"\n.byte 0" >> $boot_modules
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incr i
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}
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exec echo -e \
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"\n.section .data.boot_modules_binaries" \
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"\n" \
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"\n.global _boot_modules_binaries_begin" \
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"\n_boot_modules_binaries_begin:" >> $boot_modules
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# include raw data of modules consecutively but page aligned
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set i 1
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foreach binary $binaries {
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if {$binary == "core"} { continue }
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exec echo -e \
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"\n.p2align min_page_size_log2" \
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"\n_boot_module_${i}_begin:" \
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"\n.incbin \"[run_dir]/genode/${binary}\"" \
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"\n_boot_module_${i}_end:" >> $boot_modules
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incr i
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}
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# finish boot modules file
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exec echo -e \
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"\n.global _boot_modules_binaries_end" \
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"\n_boot_modules_binaries_end:" >> $boot_modules
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clean_boot_modules
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exec ln -s $boot_modules boot_modules.s
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@ -1,34 +0,0 @@
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/*
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* \brief Dummy boot-modules-file to enable a 'core' standalone image
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* \author Martin Stein
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* \date 2011-12-16
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*/
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/*
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* Copyright (C) 2011-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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.section .data
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.align 2
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.global _boot_modules_begin
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_boot_modules_begin:
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.string "GROM"
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.align 2
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.global _boot_module_headers_begin
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_boot_module_headers_begin:
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/* no module headers */
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.global _boot_module_headers_end
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_boot_module_headers_end:
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/* no modules */
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.global _boot_modules_end
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_boot_modules_end:
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@ -72,13 +72,20 @@
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.set contextidr_offset, 18 * 4
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.set section_table_offset, 19 * 4
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/* alignment constraints */
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.set min_page_size_log2, 12
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/* size of local variables */
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.set context_ptr_size, 1 * 4
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.endm
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/**
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* Constant values that are pretty commonly used
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*/
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.macro _common_constants
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/* alignment constraints */
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.set min_page_size_log2, 12
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.set data_access_alignm_log2, 2
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.endm
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/**
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* Local data structures that the mode transition uses
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*/
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@ -32,6 +32,7 @@
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/* common constants */
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_mt_constants
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_common_constants
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/************
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32
repos/base-hw/src/core/boot_modules.s
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32
repos/base-hw/src/core/boot_modules.s
Normal file
@ -0,0 +1,32 @@
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/*
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* \brief Dummy boot-modules-file for building standalone images of core
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* \author Martin Stein
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* \date 2011-12-16
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*/
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/*
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* Copyright (C) 2011-2014 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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.section .data
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.global _boot_modules_headers_begin
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_boot_modules_headers_begin:
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/* no headers */
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.global _boot_modules_headers_end
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_boot_modules_headers_end:
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.section .data.boot_modules_binaries
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.global _boot_modules_binaries_begin
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_boot_modules_binaries_begin:
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/* no binaries */
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.global _boot_modules_binaries_end
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_boot_modules_binaries_end:
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@ -43,10 +43,10 @@ struct Bm_header
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long size; /* size of module data in bytes */
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};
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extern int _boot_modules_begin;
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extern Bm_header _boot_module_headers_begin;
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extern Bm_header _boot_module_headers_end;
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extern int _boot_modules_end;
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extern Bm_header _boot_modules_headers_begin;
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extern Bm_header _boot_modules_headers_end;
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extern int _boot_modules_binaries_begin;
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extern int _boot_modules_binaries_end;
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/**
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* Functionpointer that provides accessor to a pool of address regions
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@ -97,8 +97,9 @@ Native_region * Platform::_core_only_ram_regions(unsigned const i)
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(size_t)((addr_t)&_prog_img_end - (addr_t)&_prog_img_beg) },
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/* boot modules */
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{ (addr_t)&_boot_modules_begin,
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(size_t)((addr_t)&_boot_modules_end - (addr_t)&_boot_modules_begin) }
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{ (addr_t)&_boot_modules_binaries_begin,
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(size_t)((addr_t)&_boot_modules_binaries_end -
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(addr_t)&_boot_modules_binaries_begin) }
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};
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return i < sizeof(_r)/sizeof(_r[0]) ? &_r[i] : 0;
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}
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@ -143,8 +144,8 @@ Platform::Platform()
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init_alloc(&_io_mem_alloc, _mmio_regions, _core_only_mmio_regions, 0);
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/* add boot modules to ROM FS */
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Bm_header * header = &_boot_module_headers_begin;
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for (; header < &_boot_module_headers_end; header++) {
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Bm_header * header = &_boot_modules_headers_begin;
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for (; header < &_boot_modules_headers_end; header++) {
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Rom_module * rom_module = new (core_mem_alloc())
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Rom_module(header->base, header->size, (const char*)header->name);
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_rom_fs.insert(rom_module);
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