mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-05 11:41:43 +00:00
124 lines
4.5 KiB
C++
124 lines
4.5 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 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"
|
|
#include "fatal_debug.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 ResultFatalAlreadyThrown;
|
|
}
|
|
|
|
g_thrown = true;
|
|
return ResultSuccess;
|
|
}
|
|
|
|
Result ThrowFatalForSelf(u32 error) {
|
|
u64 pid = 0;
|
|
|
|
svcGetProcessId(&pid, CUR_PROCESS_HANDLE);
|
|
return ThrowFatalImpl(error, pid, FatalType_ErrorScreen, nullptr);
|
|
}
|
|
|
|
Result ThrowFatalImpl(u32 error, u64 pid, FatalType policy, FatalCpuContext *cpu_ctx) {
|
|
Result rc = ResultSuccess;
|
|
FatalThrowContext ctx = {0};
|
|
ctx.error_code = error;
|
|
if (cpu_ctx != nullptr) {
|
|
ctx.cpu_ctx = *cpu_ctx;
|
|
/* Assume if we're provided a context that it's complete. */
|
|
for (u32 i = 0; i < NumAarch64Gprs; i++) {
|
|
ctx.has_gprs[i] = true;
|
|
}
|
|
/* Cap the stack trace size at a sane limit. */
|
|
/* TODO: Better to set to zero, in order to manually collect debug info ourselves instead? */
|
|
if (cpu_ctx->is_aarch32) {
|
|
ctx.cpu_ctx.aarch32_ctx.stack_trace_size = std::max(ctx.cpu_ctx.aarch32_ctx.stack_trace_size, static_cast<u32>(Aarch32CpuContext::MaxStackTraceDepth));
|
|
} else {
|
|
ctx.cpu_ctx.aarch64_ctx.stack_trace_size = std::max(ctx.cpu_ctx.aarch64_ctx.stack_trace_size, static_cast<u32>(Aarch64CpuContext::MaxStackTraceDepth));
|
|
}
|
|
} else {
|
|
std::memset(&ctx.cpu_ctx, 0, sizeof(ctx.cpu_ctx));
|
|
}
|
|
/* Reassign this unconditionally, for convenience. */
|
|
cpu_ctx = &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);
|
|
ctx.is_creport = title_id == TitleId_Creport;
|
|
|
|
/* Support for ams creport. TODO: Make this its own command? */
|
|
if (ctx.is_creport && !cpu_ctx->is_aarch32 && cpu_ctx->aarch64_ctx.afsr0 != 0) {
|
|
title_id = cpu_ctx->aarch64_ctx.afsr0;
|
|
}
|
|
|
|
/* Atmosphere extension: automatic debug info collection. */
|
|
if (GetRuntimeFirmwareVersion() >= FirmwareVersion_200 && !ctx.is_creport) {
|
|
if ((cpu_ctx->is_aarch32 && cpu_ctx->aarch32_ctx.stack_trace_size == 0) || (!cpu_ctx->is_aarch32 && cpu_ctx->aarch64_ctx.stack_trace_size == 0)) {
|
|
TryCollectDebugInformation(&ctx, pid);
|
|
}
|
|
}
|
|
|
|
switch (policy) {
|
|
case FatalType_ErrorReport:
|
|
/* TODO: Don't write an error report. */
|
|
break;
|
|
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 ResultSuccess;
|
|
}
|
|
|
|
}
|
|
break;
|
|
default:
|
|
/* N aborts here. Should we just return an error code? */
|
|
std::abort();
|
|
}
|
|
|
|
return ResultSuccess;
|
|
}
|