mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-27 14:22:17 +00:00
108 lines
No EOL
3.1 KiB
C++
108 lines
No EOL
3.1 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 "boot_boot_reason.hpp"
|
|
#include "boot_pmic_driver.hpp"
|
|
#include "boot_rtc_driver.hpp"
|
|
|
|
namespace ams::boot {
|
|
|
|
namespace {
|
|
|
|
/* Types. */
|
|
struct BootReasonValue {
|
|
union {
|
|
struct {
|
|
u8 power_intr;
|
|
u8 rtc_intr;
|
|
u8 nv_erc;
|
|
u8 boot_reason;
|
|
};
|
|
u32 value;
|
|
};
|
|
};
|
|
|
|
/* Globals. */
|
|
u32 g_boot_reason = 0;
|
|
bool g_detected_boot_reason = false;
|
|
|
|
/* Helpers. */
|
|
u32 MakeBootReason(u32 power_intr, u8 rtc_intr, u8 nv_erc, bool ac_ok) {
|
|
if (power_intr & 0x08) {
|
|
return 2;
|
|
}
|
|
if (rtc_intr & 0x02) {
|
|
return 3;
|
|
}
|
|
if (power_intr & 0x80) {
|
|
return 1;
|
|
}
|
|
if (rtc_intr & 0x04) {
|
|
if (nv_erc != 0x80 && !spl::IsRecoveryBoot()) {
|
|
return 4;
|
|
}
|
|
}
|
|
if ((nv_erc & 0x40) && ac_ok) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
}
|
|
|
|
void DetectBootReason() {
|
|
u8 power_intr;
|
|
u8 rtc_intr;
|
|
u8 rtc_intr_m;
|
|
u8 nv_erc;
|
|
bool ac_ok;
|
|
|
|
/* Get values from PMIC. */
|
|
{
|
|
PmicDriver pmic_driver;
|
|
R_ASSERT(pmic_driver.GetPowerIntr(&power_intr));
|
|
R_ASSERT(pmic_driver.GetNvErc(&nv_erc));
|
|
R_ASSERT(pmic_driver.GetAcOk(&ac_ok));
|
|
}
|
|
|
|
/* Get values from RTC. */
|
|
{
|
|
RtcDriver rtc_driver;
|
|
R_ASSERT(rtc_driver.GetRtcIntr(&rtc_intr));
|
|
R_ASSERT(rtc_driver.GetRtcIntrM(&rtc_intr_m));
|
|
}
|
|
|
|
/* Set global derived boot reason. */
|
|
g_boot_reason = MakeBootReason(power_intr, rtc_intr & ~rtc_intr_m, nv_erc, ac_ok);
|
|
|
|
/* Set boot reason for SPL. */
|
|
if (hos::GetVersion() >= hos::Version_300) {
|
|
BootReasonValue boot_reason_value;
|
|
boot_reason_value.power_intr = power_intr;
|
|
boot_reason_value.rtc_intr = rtc_intr & ~rtc_intr_m;
|
|
boot_reason_value.nv_erc = nv_erc;
|
|
boot_reason_value.boot_reason = g_boot_reason;
|
|
R_ASSERT(splSetBootReason(boot_reason_value.value));
|
|
}
|
|
|
|
g_detected_boot_reason = true;
|
|
}
|
|
|
|
u32 GetBootReason() {
|
|
AMS_ASSERT(g_detected_boot_reason);
|
|
return g_boot_reason;
|
|
}
|
|
|
|
} |