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platform/pc: support poweroff

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If the support for S5 is announced via the sleep_state report, the
pc_platform_drv now issues the S5 (poweroff) via Pd::system_control.

Issue #5180
This commit is contained in:
Alexander Boettcher 2024-04-15 11:43:21 +02:00 committed by Christian Helmuth
parent 4c79f948ab
commit 14b3a0c794
1 changed files with 11 additions and 7 deletions
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18
repos/pc/src/drivers/platform/pc/spec/x86_64/main.cc
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@ -34,7 +34,7 @@ struct Driver::Main
Intel::Io_mmu_factory _intel_iommu { _env, _common.io_mmu_factories() };
void _handle_config();
void _suspend();
void _suspend(String<8>);
void _reset();
void _system_update();
@ -100,14 +100,18 @@ void Driver::Main::_system_update()
_reset();
if (state == "suspend") {
try { _suspend(); } catch (...) { error("suspend failed"); }
try { _suspend("S3"); } catch (...) { error("suspend failed"); }
/* report independent of result */
_common.report_resume();
}
if (state == "poweroff") {
try { _suspend("S5"); } catch (...) { error("poweroff failed"); }
}
}
void Driver::Main::_suspend()
void Driver::Main::_suspend(String<8> suspend_mode)
{
_sleep_rom .update();
@ -123,7 +127,7 @@ void Driver::Main::_suspend()
return call<Rpc_system_control>(state); }
} system_control { _env.pd().system_control_cap(Affinity::Location()) };
_sleep_rom.xml().with_sub_node("S3", [&] (auto const &node) {
_sleep_rom.xml().with_sub_node(suspend_mode.string(), [&] (auto const &node) {
auto const typea = "SLP_TYPa";
auto const typeb = "SLP_TYPb";
@ -146,11 +150,11 @@ void Driver::Main::_suspend()
out = system_control.system_control(in);
if (!out.trapno)
error("S3 suspend failed");
error(suspend_mode, " suspend failed");
else
log("resumed from S3");
log("resumed from ", suspend_mode);
}, [&] {
warning("S3 suspend not supported");
warning(suspend_mode, " not supported");
});
}