mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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66 lines
No EOL
1.9 KiB
C
66 lines
No EOL
1.9 KiB
C
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "cluster.h"
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#include "di.h"
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#include "exocfg.h"
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#include "flow.h"
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#include "mc.h"
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#include "nxboot.h"
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#include "se.h"
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#include "smmu.h"
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#include "timers.h"
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#include "sysreg.h"
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void nxboot_finish(uint32_t boot_memaddr) {
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/* Boot up Exosphère. */
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MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE = 0;
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MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_DRAM_INITIALIZED_4X;
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/* Terminate the display. */
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display_end();
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/* Check if SMMU emulation has been used. */
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uint32_t smmu_magic = *(uint32_t *)(SMMU_AARCH64_PAYLOAD_ADDR + 0xFC);
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if (smmu_magic == 0xDEADC0DE) {
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/* Clear the magic. */
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*(uint32_t *)(SMMU_AARCH64_PAYLOAD_ADDR + 0xFC) = 0;
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/* Pass the boot address to the already running payload. */
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*(uint32_t *)(SMMU_AARCH64_PAYLOAD_ADDR + 0xF0) = boot_memaddr;
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/* Wait a while. */
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mdelay(500);
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} else {
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/* Boot CPU0. */
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cluster_boot_cpu0(boot_memaddr);
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}
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/* Wait for Exosphère to wake up. */
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while (MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE == 0) {
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udelay(1);
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}
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/* Signal Exosphère. */
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MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_FINISHED_4X;
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/* Halt ourselves in waitevent state. */
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while (1) {
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FLOW_CTLR_HALT_COP_EVENTS_0 = 0x50000000;
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}
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} |