Atmosphere/stratosphere/fatal/source/fatal_throw.cpp

94 lines
2.9 KiB
C++

/*
* Copyright (c) 2018 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <switch.h>
#include "fatal_throw.hpp"
#include "fatal_event_manager.hpp"
#include "fatal_task.hpp"
#include "fatal_config.hpp"
static bool g_thrown = false;
static Result SetThrown() {
/* This should be fine, since fatal only has a single IPC thread. */
if (g_thrown) {
return FatalResult_AlreadyThrown;
}
g_thrown = true;
return 0;
}
Result ThrowFatalForSelf(u32 error) {
u64 pid = 0;
FatalCpuContext ctx = {0};
svcGetProcessId(&pid, CUR_PROCESS_HANDLE);
return ThrowFatalImpl(error, pid, FatalType_ErrorScreen, &ctx);
}
Result ThrowFatalImpl(u32 error, u64 pid, FatalType policy, FatalCpuContext *cpu_ctx) {
Result rc = 0;
FatalContext ctx;
ctx.error_code = error;
ctx.cpu_ctx = *cpu_ctx;
/* Get config. */
const FatalConfig *config = GetFatalConfig();
/* Get title id. On failure, it'll be zero. */
u64 title_id = 0;
pminfoGetTitleId(&title_id, pid);
switch (policy) {
case FatalType_ErrorReport:
/* TODO: Don't write an error report. */
case FatalType_ErrorReportAndErrorScreen:
case FatalType_ErrorScreen:
{
/* Ensure we only throw once. */
if (R_FAILED((rc = SetThrown()))) {
return rc;
}
/* Signal that fatal is about to happen. */
GetEventManager()->SignalEvents();
/* Create events. */
Event erpt_event;
Event battery_event;
if (R_FAILED(eventCreate(&erpt_event, false)) || R_FAILED(eventCreate(&battery_event, false))) {
std::abort();
}
/* Run tasks. */
if (config->transition_to_fatal) {
RunFatalTasks(&ctx, title_id, policy == FatalType_ErrorReportAndErrorScreen, &erpt_event, &battery_event);
} else {
/* If flag is not set, don't show the fatal screen. */
return 0;
}
}
break;
default:
/* N aborts here. Should we just return an error code? */
std::abort();
}
return 0;
}