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acpica: report S0-S5 sleep state support

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Issue #4669
This commit is contained in:
Alexander Boettcher 2022-09-21 15:47:15 +02:00 committed by Norman Feske
parent fd2a216909
commit 58ff53ec52
4 changed files with 51 additions and 3 deletions
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7
repos/libports/src/app/acpica/os.cc
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@ -129,6 +129,8 @@ struct Acpica::Main
void *context;
} irq_handler;
Expanding_reporter report_sleep_states { env, "sleep_states", "sleep_states" };
void init_acpica();
Main(Env &env)
@ -415,6 +417,11 @@ void Acpica::Main::init_acpica()
error("AcpiGetDevices (FUJ02E3) failed, status=", status);
return;
}
/* report S0-S5 support and the SLP_TYPa/b values to be used by kernel(s) */
report_sleep_states.generate([&] (auto &xml) {
Acpica::generate_suspend_report(xml);
});
}

41
repos/libports/src/app/acpica/report.cc Normal file
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@ -0,0 +1,41 @@
/*
* \brief Generate XML report
* \author Alexander Boettcher
*/
/*
* Copyright (C) 2018-2022 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.
*/
#include <base/env.h>
#include <os/reporter.h>
#include "util.h"
using namespace Acpica;
using Genode::Reporter;
void Acpica::generate_suspend_report(Reporter::Xml_generator &xml)
{
for (unsigned sleep_state = 1; sleep_state < ACPI_S_STATE_COUNT; sleep_state ++) {
UINT8 slp_typa {};
UINT8 slp_typb {};
ACPI_STATUS const result = AcpiGetSleepTypeData (sleep_state,
&slp_typa,
&slp_typb);
Genode::String<4> const state_name("S", sleep_state);
xml.node(state_name.string(), [&] () {
xml.attribute("supported", result == AE_OK);
if (result == AE_OK) {
xml.attribute("SLP_TYPa", slp_typa);
xml.attribute("SLP_TYPb", slp_typb);
}
});
}
}

2
repos/libports/src/app/acpica/target.mk
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@ -1,5 +1,5 @@
TARGET := acpica
SRC_CC := os.cc printf.cc
SRC_CC := os.cc printf.cc report.cc
REQUIRES := x86
LIBS += base acpica

4
repos/libports/src/app/acpica/util.h
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@ -17,15 +17,15 @@ extern "C" {
#include "acpi.h"
}
class Bridge;
namespace Acpica {
template<typename> class Buffer;
template<typename> class Callback;
void generate_report(Genode::Env &, Bridge *);
template <typename H, typename S, typename F, typename FSIZE>
void for_each_element(H const head, S *, F const &fn, FSIZE const &fn_size);
void generate_suspend_report(Genode::Reporter::Xml_generator &);
}
template <typename T>