mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-14 03:52:26 +00:00
80 lines
3.3 KiB
C
80 lines
3.3 KiB
C
/*
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* Copyright (c) 2018-2019 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 <stdbool.h>
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#include <string.h>
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#include "utils.h"
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#include "se.h"
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#include "fuse.h"
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#include "pmc.h"
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#include "timers.h"
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#define SAVE_SYSREG64(reg, ofs) do { __asm__ __volatile__ ("mrs %0, " #reg : "=r"(temp_reg) :: "memory"); MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM) + ofs) = (uint32_t)((temp_reg >> 0) & 0xFFFFFFFFULL); MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM) + ofs + 4) = (uint32_t)((temp_reg >> 32) & 0xFFFFFFFFULL); } while(false)
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__attribute__ ((noreturn)) void panic(uint32_t code) {
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/* Set Panic Code for NX_BOOTLOADER. */
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if (APBDEV_PMC_SCRATCH200_0 == 0) {
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APBDEV_PMC_SCRATCH200_0 = code;
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}
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/* // Uncomment for Debugging.
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uint64_t temp_reg;
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MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM)) = APBDEV_PMC_SCRATCH200_0;
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SAVE_SYSREG64(ESR_EL3, 0x10);
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SAVE_SYSREG64(ELR_EL3, 0x18);
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SAVE_SYSREG64(FAR_EL3, 0x20);
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MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x450ull) = 0x2;
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MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_RTC_PMC) + 0x400ull) = 0x10; */
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/* TODO: Custom Panic Driver, which displays to screen without rebooting. */
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/* For now, just use NX BOOTLOADER's panic. */
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fuse_disable_programming();
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APBDEV_PMC_CRYPTO_OP_0 = 1; /* Disable all SE operations. */
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// while (1) { }
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watchdog_reboot();
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}
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__attribute__ ((noreturn)) void generic_panic(void) {
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/* //Uncomment for Debugging.
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uint64_t temp_reg;
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do { __asm__ __volatile__ ("mov %0, LR" : "=r"(temp_reg) :: "memory"); } while (false);
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MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM) + 0x28) = (uint32_t)((temp_reg >> 0) & 0xFFFFFFFFULL);
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MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM) + 0x28 + 4) = (uint32_t)((temp_reg >> 32) & 0xFFFFFFFFULL);
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do { __asm__ __volatile__ ("mov %0, SP" : "=r"(temp_reg) :: "memory"); } while (false);
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for (unsigned int i = 0; i < 0x80; i += 4) {
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MAKE_REG32(MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM) + 0x40 + i) = *((volatile uint32_t *)(temp_reg + i));
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} */
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panic(0xFF000006);
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}
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__attribute__ ((noreturn)) void panic_predefined(uint32_t which) {
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static const uint32_t codes[0x10] = {COLOR_0, COLOR_1, COLOR_2, COLOR_3, COLOR_4, COLOR_5, COLOR_6, COLOR_7, COLOR_8, COLOR_9, COLOR_A, COLOR_B, COLOR_C, COLOR_D, COLOR_E, COLOR_F};
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panic(codes[which & 0xF]);
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}
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__attribute__((noinline)) bool overlaps(uint64_t as, uint64_t ae, uint64_t bs, uint64_t be)
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{
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if(as <= bs && bs < ae)
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return true;
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if(bs <= as && as < be)
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return true;
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return false;
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}
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uintptr_t get_iram_address_for_debug(void) {
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return MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DEBUG_IRAM);
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}
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