mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-26 22:02:15 +00:00
75 lines
No EOL
2.4 KiB
C++
75 lines
No EOL
2.4 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 <stratosphere.hpp>
|
|
#include <strings.h>
|
|
#include "boot_functions.hpp"
|
|
#include "boot_reboot_manager.hpp"
|
|
#include "fusee-primary_bin.h"
|
|
|
|
static u8 g_work_page[0x1000] __attribute__ ((aligned (0x1000)));
|
|
|
|
static void ClearIram() {
|
|
/* Make page FFs. */
|
|
memset(g_work_page, 0xFF, sizeof(g_work_page));
|
|
|
|
/* Overwrite all of IRAM with FFs. */
|
|
for (size_t ofs = 0; ofs < IRAM_SIZE; ofs += sizeof(g_work_page)) {
|
|
CopyToIram(IRAM_BASE + ofs, g_work_page, sizeof(g_work_page));
|
|
}
|
|
}
|
|
|
|
static void DoRebootToPayload() {
|
|
/* Ensure clean IRAM state. */
|
|
ClearIram();
|
|
|
|
/* Copy in payload. */
|
|
for (size_t ofs = 0; ofs < fusee_primary_bin_size; ofs += 0x1000) {
|
|
std::memcpy(g_work_page, &fusee_primary_bin[ofs], std::min(static_cast<size_t>(fusee_primary_bin_size - ofs), size_t(0x1000)));
|
|
CopyToIram(IRAM_PAYLOAD_BASE + ofs, g_work_page, 0x1000);
|
|
}
|
|
|
|
RebootToIramPayload();
|
|
}
|
|
|
|
Result BootRebootManager::PerformReboot() {
|
|
DoRebootToPayload();
|
|
return ResultSuccess;
|
|
}
|
|
|
|
void BootRebootManager::RebootForFatalError(AtmosphereFatalErrorContext *ctx) {
|
|
/* Ensure clean IRAM state. */
|
|
ClearIram();
|
|
|
|
/* Copy in payload. */
|
|
for (size_t ofs = 0; ofs < fusee_primary_bin_size; ofs += 0x1000) {
|
|
std::memcpy(g_work_page, &fusee_primary_bin[ofs], std::min(static_cast<size_t>(fusee_primary_bin_size - ofs), size_t(0x1000)));
|
|
CopyToIram(IRAM_PAYLOAD_BASE + ofs, g_work_page, 0x1000);
|
|
}
|
|
|
|
std::memset(g_work_page, 0xCC, sizeof(g_work_page));
|
|
std::memcpy(g_work_page, ctx, sizeof(*ctx));
|
|
CopyToIram(IRAM_PAYLOAD_BASE + IRAM_PAYLOAD_MAX_SIZE, g_work_page, sizeof(g_work_page));
|
|
|
|
RebootToIramPayload();
|
|
}
|
|
|
|
void Boot::RebootSystem() {
|
|
if (R_FAILED(BootRebootManager::PerformReboot())) {
|
|
std::abort();
|
|
}
|
|
} |