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gems: add dbg_download

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Fixes #5143
This commit is contained in:
Christian Prochaska 2024-03-12 18:27:07 +01:00 committed by Christian Helmuth
parent f3313b6603
commit 6e437674f7
12 changed files with 357 additions and 1 deletions
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2
repos/gems/recipes/pkg/dbg_download/README Normal file
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Subsystem for downloading debug info depot content

3
repos/gems/recipes/pkg/dbg_download/archives Normal file
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_/pkg/depot_download
_/src/dbg_download
_/src/vfs_lxip

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repos/gems/recipes/pkg/dbg_download/hash Normal file
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2023-12-03 6d3ae110891ef272496abf7dfa9217ff2566cf64

145
repos/gems/recipes/pkg/dbg_download/runtime Normal file
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<runtime ram="128M" caps="3000" binary="init" config="depot_download.config">
<requires>
<file_system label="system_config" writeable="no"/>
<file_system label="used" writeable="yes"/>
<rom label="build_info"/>
<nic/>
<rm/>
<timer/>
</requires>
<content>
<rom label="init"/>
<rom label="depot_download.config"/>
<rom label="report_rom"/>
<rom label="chroot"/>
<rom label="depot_download_manager"/>
<rom label="vfs"/>
<rom label="vfs.lib.so"/>
<rom label="vfs_lxip.lib.so"/>
<rom label="lxip.lib.so"/>
<rom label="depot_query"/>
<rom label="fs_rom"/>
<rom label="fetchurl"/>
<rom label="curl.lib.so"/>
<rom label="libc.lib.so"/>
<rom label="libssh.lib.so"/>
<rom label="libcrypto.lib.so"/>
<rom label="zlib.lib.so"/>
<rom label="libssl.lib.so"/>
<rom label="verify"/>
<rom label="extract"/>
<rom label="libarchive.lib.so"/>
<rom label="liblzma.lib.so"/>
<rom label="dbg_download"/>
</content>
<config>
<parent-provides>
<service name="CPU"/>
<service name="LOG"/>
<service name="PD"/>
<service name="RM"/>
<service name="ROM"/>
<service name="File_system"/>
<service name="Timer"/>
<service name="Report"/>
<service name="Nic"/>
</parent-provides>
<default caps="100"/>
<start name="depot_rw">
<binary name="chroot"/>
<resource name="RAM" quantum="2M" />
<provides> <service name="File_system"/> </provides>
<config>
<default-policy path="/depot" writeable="yes"/>
</config>
<route>
<service name="File_system">
<parent label="used"/>
</service>
<any-service> <parent/> </any-service>
</route>
</start>
<start name="public_rw">
<binary name="chroot"/>
<resource name="RAM" quantum="2M" />
<provides> <service name="File_system"/> </provides>
<config>
<default-policy path="/public" writeable="yes"/>
</config>
<route>
<service name="File_system">
<parent label="used"/>
</service>
<any-service> <parent/> </any-service>
</route>
</start>
<start name="report_rom">
<binary name="report_rom"/>
<resource name="RAM" quantum="2M"/>
<provides> <service name="Report"/> <service name="ROM"/> </provides>
<config verbose="no">
<policy label="depot_download -> installation"
report="dbg_download -> installation"/>
</config>
<route>
<any-service> <parent/> </any-service>
</route>
</start>
<start name="depot_download" caps="2000">
<binary name="init"/>
<resource name="RAM" quantum="70M"/>
<route>
<service name="ROM" label="config">
<parent label="depot_download.config"/>
</service>
<service name="ROM" label_suffix="installation">
<child name="report_rom" label="depot_download -> installation"/>
</service>
<service name="File_system" label="depot">
<child name="depot_rw"/>
</service>
<service name="File_system" label="public">
<child name="public_rw"/>
</service>
<service name="Report">
<child name="report_rom"/>
</service>
<any-service> <parent/> </any-service>
</route>
</start>
<start name="dbg_download">
<resource name="RAM" quantum="16M"/>
<config>
<vfs>
<dir name="config">
<fs label="config"/>
</dir>
</vfs>
</config>
<route>
<service name="File_system" label="config">
<parent label="system_config"/>
</service>
<service name="Report">
<child name="report_rom"/>
</service>
<service name="ROM" label="build_info">
<parent label="build_info"/>
</service>
<any-service> <parent/> </any-service>
</route>
</start>
</config>
</runtime>

1
repos/gems/recipes/pkg/sculpt_distribution/archives
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@ -23,3 +23,4 @@ _/pkg/trace_logger
_/pkg/mixer
_/pkg/dynamic_rom
_/pkg/unconfigured_nano3d
_/pkg/dbg_download

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repos/gems/recipes/src/dbg_download/content.mk Normal file
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SRC_DIR = src/app/dbg_download
include $(GENODE_DIR)/repos/base/recipes/src/content.inc

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repos/gems/recipes/src/dbg_download/hash Normal file
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2023-12-05-i 1d3df6ce30d962877acce17d07b09173373116d4

4
repos/gems/recipes/src/dbg_download/used_apis Normal file
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base
os
report_session
vfs

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repos/gems/sculpt/default-pc.sculpt
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@ -7,7 +7,7 @@ gpu_drv: intel
import: pkg/drivers_managed-pc pkg/pc_wifi src/pc_nic_drv
# selection of launcher-menu entries
launcher: vm_fs shared_fs usb_devices_rom
launcher: vm_fs shared_fs usb_devices_rom download_debug_info
# selection of accepted depot-package providers
depot: genodelabs cnuke alex-ab mstein nfeske cproc chelmuth jschlatow

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repos/gems/sculpt/launcher/download_debug_info Normal file
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<launcher pkg="dbg_download">
<route>
<service name="File_system" label="system_config">
<parent label="config"/>
</service>
<service name="File_system" label="used">
<child name="default_fs_rw"/>
</service>
<service name="ROM" label="build_info">
<parent label="build_info"/>
</service>
<service name="Nic">
<child name="nic_router"/>
</service>
<service name="RM">
<parent/>
</service>
</route>
</launcher>

175
repos/gems/src/app/dbg_download/main.cc Normal file
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/*
* \brief Component which initiates the download of missing 'bin' and 'dbg'
* depot archives based on the current runtime/monitor configuration
* \author Christian Prochaska
* \date 2023-12-04
*/
/*
* Copyright (C) 2023-2024 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
/* Genode includes */
#include <base/attached_rom_dataspace.h>
#include <base/component.h>
#include <base/heap.h>
#include <base/log.h>
#include <os/reporter.h>
#include <os/vfs.h>
using namespace Genode;
struct Main
{
Genode::Env &_env;
Heap _heap { _env.ram(), _env.rm() };
Attached_rom_dataspace _config { _env, "config" };
Attached_rom_dataspace _build_info { _env, "build_info" };
Session_label _base_archive { };
Root_directory _root_dir { _env, _heap, _config.xml().sub_node("vfs") };
static constexpr char const *_runtime_config_path { "/config/managed/runtime" };
Watch_handler<Main> _runtime_config_watch_handler {
_env.ep(), _root_dir, _runtime_config_path,
*this, &Main::_handle_runtime_config_update };
Expanding_reporter _installation { _env, "installation", "installation" };
void _process_monitor_config(Xml_node const &config, Xml_node const &monitor)
{
_installation.generate([&] (Xml_generator &xml) {
monitor.for_each_sub_node("policy", [&] (Xml_node const &policy) {
Session_label policy_label {
policy.attribute_value("label", Session_label::String()) };
config.for_each_sub_node("start", [&] (Xml_node const &start) {
if (start.attribute_value("name", Session_label::String()) !=
policy_label)
return;
start.with_sub_node("route", [&] (Xml_node const &route) {
route.for_each_sub_node("service", [&] (Xml_node const &service) {
if (service.attribute_value("name", String<8>()) != "ROM")
return;
if (!service.has_attribute("label_last"))
return;
Session_label rom_session_label;
if (service.attribute_value("label_last", Session_label::String()) ==
"ld.lib.so") {
rom_session_label = { _base_archive, "/ld.lib.so" };
} else {
service.with_sub_node("child", [&] (Xml_node const &child) {
if (child.attribute_value("name", String<16>()) !=
"depot_rom")
return;
rom_session_label =
child.attribute_value("label", Session_label::String());
}, [&] () {
Genode::warning("<child> XML node not found");
return;
});
}
Vfs::Absolute_path rom_session_label_path { rom_session_label };
Vfs::Absolute_path depot_user_path { rom_session_label_path };
while (!depot_user_path.has_single_element())
depot_user_path.strip_last_element();
Vfs::Absolute_path depot_type_path { rom_session_label_path };
depot_type_path.strip_prefix(depot_user_path.string());
while (!depot_type_path.has_single_element())
depot_type_path.strip_last_element();
if (depot_type_path != "/bin")
return;
Vfs::Absolute_path depot_component_path { rom_session_label_path };
depot_component_path.strip_prefix(
Directory::join(depot_user_path, depot_type_path).string());
Vfs::Absolute_path bin_installation_path { depot_user_path };
bin_installation_path.append("/bin");
bin_installation_path.append(depot_component_path.string());
bin_installation_path.strip_last_element();
xml.node("archive", [&] () {
xml.attribute("path", &bin_installation_path.string()[1]);
xml.attribute("source", "no");
});
Vfs::Absolute_path dbg_installation_path { depot_user_path };
dbg_installation_path.append("/dbg");
dbg_installation_path.append(depot_component_path.string());
dbg_installation_path.strip_last_element();
xml.node("archive", [&] () {
xml.attribute("path", &dbg_installation_path.string()[1]);
xml.attribute("source", "no");
});
});
}, [&] () {
Genode::error("<route> XML node not found");
});
});
});
});
}
void _handle_runtime_config_update()
{
try {
File_content const runtime_config {
_heap, _root_dir, _runtime_config_path,
File_content::Limit(512*1024)
};
runtime_config.xml([&] (Xml_node const config) {
config.with_sub_node("monitor", [&] (Xml_node const &monitor) {
_process_monitor_config(config, monitor);
}, [&] () {
Genode::error("<monitor> XML node not found");
});
});
} catch (File_content::Truncated_during_read) {
Genode::error("Could not read ", _runtime_config_path);
}
}
Main(Genode::Env &env)
: _env(env)
{
_base_archive = _build_info.xml().attribute_value("base",
Session_label::String());
_handle_runtime_config_update();
}
};
void Component::construct(Genode::Env &env)
{
static Main main(env);
}

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repos/gems/src/app/dbg_download/target.mk Normal file
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TARGET = dbg_download
SRC_CC = main.cc
LIBS = base vfs