Files
Atmosphere-Pro/emummc/source/utils/fatal.c
lulle2007200 40bb434a64 git subrepo pull --force emummc
subrepo:
  subdir:   "emummc"
  merged:   "2fc47cbb8"
upstream:
  origin:   "https://github.com/lulle2007200/emuMMC.git"
  branch:   "develop"
  commit:   "2fc47cbb8"
git-subrepo:
  version:  "0.4.9"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "30db3b8"
2025-05-13 17:18:28 +02:00

74 lines
2.4 KiB
C
Vendored

/*
* Copyright (c) 2019 m4xw <m4x@m4xw.net>
* Copyright (c) 2019 Atmosphere-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 <string.h>
#include <switch/sf/service.h>
#include "fatal.h"
#include "../utils/util.h"
#if EMUMMC_HAS_FATAL_PAYLOAD
#include "fatal_handler_bin.h"
#endif
void __attribute__((noreturn)) fatal_abort(enum FatalReason abortReason)
{
atmosphere_fatal_error_ctx error_ctx;
memset(&error_ctx, 0, sizeof(atmosphere_fatal_error_ctx));
// Basic error storage for Atmosphere
error_ctx.magic = ATMOSPHERE_REBOOT_TO_FATAL_MAGIC;
error_ctx.program_id = 0x0100000000000000; // FS
error_ctx.error_desc = abortReason;
// Try using bpc:ams to show fatal error
Handle h;
Service s;
Result rc = svcConnectToNamedPort(&h, "bpc:ams");
u32 retry_cnt = 20;
while (R_VALUE(rc) == KERNELRESULT(NotFound) && retry_cnt != 0) {
svcSleepThread(50000000ul);
rc = svcConnectToNamedPort(&h, "bpc:ams");
retry_cnt--;
}
if (R_SUCCEEDED(rc)){
serviceCreate(&s, h);
serviceDispatch(&s, 65000,
.buffer_attrs = { SfBufferAttr_In | SfBufferAttr_HipcMapAlias | SfBufferAttr_FixedSize },
.buffers = { { &error_ctx, 0x450 } }
);
}
// bpc:ams not available yet
// Copy error context to iram and reboot to fatal payload
memcpy(&working_buf, &error_ctx, sizeof(error_ctx));
smcCopyToIram(ATMOSPHERE_FATAL_ERROR_ADDR, &working_buf, sizeof(error_ctx));
#if EMUMMC_HAS_FATAL_PAYLOAD
for (size_t ofs = 0; ofs < fatal_handler_bin_size; ofs += 4096) {
memcpy(&working_buf, fatal_handler_bin + ofs, MIN(fatal_handler_bin_size - ofs, 4096));
smcCopyToIram(ATMOSPHERE_IRAM_PAYLOAD_BASE + ofs, &working_buf, MIN(fatal_handler_bin_size - ofs, 4096));
}
smcRebootToIramPayload();
#else
smcRebootToRcm();
#endif
while(true){}
}