mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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162 lines
8.3 KiB
C
162 lines
8.3 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 <stdint.h>
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#include "memory_map.h"
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#include "mc.h"
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#include "exocfg.h"
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typedef struct {
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uint64_t address;
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uint64_t size;
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} saved_carveout_info_t;
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static saved_carveout_info_t g_saved_carveouts[2] = {
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{0x80060000ull, KERNEL_CARVEOUT_SIZE_MAX},
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{0x00000000ull, 0x00000000ull}
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};
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volatile security_carveout_t *get_carveout_by_id(unsigned int carveout) {
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if (CARVEOUT_ID_MIN <= carveout && carveout <= CARVEOUT_ID_MAX) {
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return (volatile security_carveout_t *)(MC_BASE + 0xC08ull + 0x50 * (carveout - CARVEOUT_ID_MIN));
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}
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generic_panic();
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return NULL;
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}
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void configure_gpu_ucode_carveout(void) {
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/* Starting in 6.0.0, Carveout 2 is configured later on and adds read permission to TSEC. */
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/* This is a helper function to make this easier... */
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volatile security_carveout_t *carveout = get_carveout_by_id(2);
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carveout->paddr_low = 0x80020000;
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carveout->paddr_high = 0;
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carveout->size_big_pages = 2; /* 0x40000 */
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carveout->client_access_0 = 0;
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carveout->client_access_1 = 0;
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carveout->client_access_2 = (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_600) ? (BIT(CSR_GPUSRD) | BIT(CSW_GPUSWR) | BIT(CSR_TSECSRD)) : (BIT(CSR_GPUSRD) | BIT(CSW_GPUSWR));
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carveout->client_access_3 = 0;
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carveout->client_access_4 = (BIT(CSR_GPUSRD2) | BIT(CSW_GPUSWR2));
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carveout->client_force_internal_access_0 = 0;
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carveout->client_force_internal_access_1 = 0;
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carveout->client_force_internal_access_2 = 0;
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carveout->client_force_internal_access_3 = 0;
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carveout->client_force_internal_access_4 = 0;
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carveout->config = 0x440167E;
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}
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void configure_default_carveouts(void) {
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/* Configure Carveout 1 (UNUSED) */
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volatile security_carveout_t *carveout = get_carveout_by_id(1);
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carveout->paddr_low = 0;
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carveout->paddr_high = 0;
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carveout->size_big_pages = 0;
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carveout->client_access_0 = 0;
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carveout->client_access_1 = 0;
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carveout->client_access_2 = 0;
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carveout->client_access_3 = 0;
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carveout->client_access_4 = 0;
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carveout->client_force_internal_access_0 = 0;
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carveout->client_force_internal_access_1 = 0;
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carveout->client_force_internal_access_2 = 0;
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carveout->client_force_internal_access_3 = 0;
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carveout->client_force_internal_access_4 = 0;
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carveout->config = 0x4000006;
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/* Configure Carveout 2 (GPU UCODE) */
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if (exosphere_get_target_firmware() < ATMOSPHERE_TARGET_FIRMWARE_600) {
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configure_gpu_ucode_carveout();
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}
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/* Configure Carveout 3 (UNUSED GPU) */
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carveout = get_carveout_by_id(3);
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carveout->paddr_low = 0;
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carveout->paddr_high = 0;
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carveout->size_big_pages = 0;
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carveout->client_access_0 = 0;
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carveout->client_access_1 = 0;
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carveout->client_access_2 = (BIT(CSR_GPUSRD) | BIT(CSW_GPUSWR));
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carveout->client_access_3 = 0;
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carveout->client_access_4 = (BIT(CSR_GPUSRD2) | BIT(CSW_GPUSWR2));
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carveout->client_force_internal_access_0 = 0;
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carveout->client_force_internal_access_1 = 0;
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carveout->client_force_internal_access_2 = 0;
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carveout->client_force_internal_access_3 = 0;
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carveout->client_force_internal_access_4 = 0;
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carveout->config = 0x4401E7E;
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/* Configure default Kernel carveouts based on 2.0.0+. */
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if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_200) {
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/* Configure Carveout 4 (KERNEL_BUILTINS) */
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configure_kernel_carveout(4, g_saved_carveouts[0].address, g_saved_carveouts[0].size);
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/* Configure Carveout 5 (KERNEL_UNUSED) */
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configure_kernel_carveout(5, g_saved_carveouts[1].address, g_saved_carveouts[1].size);
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} else {
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for (unsigned int i = 4; i <= 5; i++) {
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carveout = get_carveout_by_id(i);
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carveout->paddr_low = 0;
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carveout->paddr_high = 0;
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carveout->size_big_pages = 0;
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carveout->client_access_0 = 0;
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carveout->client_access_1 = 0;
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carveout->client_access_2 = 0;
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carveout->client_access_3 = 0;
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carveout->client_access_4 = 0;
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carveout->client_force_internal_access_0 = 0;
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carveout->client_force_internal_access_1 = 0;
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carveout->client_force_internal_access_2 = 0;
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carveout->client_force_internal_access_3 = 0;
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carveout->client_force_internal_access_4 = 0;
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carveout->config = 0x4000006;
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}
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}
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}
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void configure_kernel_carveout(unsigned int carveout_id, uint64_t address, uint64_t size) {
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if (carveout_id != 4 && carveout_id != 5) {
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generic_panic();
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}
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g_saved_carveouts[carveout_id-4].address = address;
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g_saved_carveouts[carveout_id-4].size = size;
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volatile security_carveout_t *carveout = get_carveout_by_id(carveout_id);
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carveout->paddr_low = (uint32_t)(address & 0xFFFFFFFF);
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carveout->paddr_high = (uint32_t)(address >> 32);
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carveout->size_big_pages = (uint32_t)(size >> 17);
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carveout->client_access_0 = (BIT(CSR_PTCR) | BIT(CSR_DISPLAY0A) | BIT(CSR_DISPLAY0AB) | BIT(CSR_DISPLAY0B) | BIT(CSR_DISPLAY0BB) | BIT(CSR_DISPLAY0C) | BIT(CSR_DISPLAY0CB) | BIT(CSR_AFIR) | BIT(CSR_DISPLAYHC) | BIT(CSR_DISPLAYHCB) | BIT(CSR_HDAR) | BIT(CSR_HOST1XDMAR) | BIT(CSR_HOST1XR) | BIT(CSR_NVENCSRD) | BIT(CSR_PPCSAHBDMAR) | BIT(CSR_PPCSAHBSLVR));
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carveout->client_access_1 = (BIT(CSR_MPCORER) | BIT(CSW_NVENCSWR) | BIT(CSW_AFIW) | BIT(CSW_HDAW) | BIT(CSW_HOST1XW) | BIT(CSW_MPCOREW) | BIT(CSW_PPCSAHBDMAW) | BIT(CSW_PPCSAHBSLVW));
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if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_810) {
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carveout->client_access_2 = (BIT(CSR_XUSB_HOSTR) | BIT(CSW_XUSB_HOSTW) | BIT(CSR_XUSB_DEVR) | BIT(CSW_XUSB_DEVW));
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carveout->client_access_3 = (BIT(CSR_SDMMCRA) | BIT(CSR_SDMMCRAA) | BIT(CSR_SDMMCRAB) | BIT(CSW_SDMMCWA) | BIT(CSW_SDMMCWAA) | BIT(CSW_SDMMCWAB) | BIT(CSR_VICSRD) | BIT(CSW_VICSWR) | BIT(CSR_DISPLAYD) | BIT(CSR_APER) | BIT(CSW_APEW) | BIT(CSR_NVJPGSRD) | BIT(CSW_NVJPGSWR));
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carveout->client_access_4 = (BIT(CSR_SESRD) | BIT(CSW_SESWR));
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} else if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_800) {
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carveout->client_access_2 = (BIT(CSR_XUSB_HOSTR) | BIT(CSW_XUSB_HOSTW) | BIT(CSR_XUSB_DEVR) | BIT(CSW_XUSB_DEVW));
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carveout->client_access_3 = (BIT(CSR_SDMMCRA) | BIT(CSR_SDMMCRAA) | BIT(CSR_SDMMCRAB) | BIT(CSW_SDMMCWA) | BIT(CSW_SDMMCWAA) | BIT(CSW_SDMMCWAB) | BIT(CSR_VICSRD) | BIT(CSW_VICSWR) | BIT(CSR_DISPLAYD) | BIT(CSR_NVDECSRD) | BIT(CSW_NVDECSWR) | BIT(CSR_APER) | BIT(CSW_APEW) | BIT(CSR_NVJPGSRD) | BIT(CSW_NVJPGSWR));
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carveout->client_access_4 = (BIT(CSR_SESRD) | BIT(CSW_SESWR) | BIT(CSR_TSECSRDB) | BIT(CSW_TSECSWRB));
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} else {
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carveout->client_access_2 = (BIT(CSR_XUSB_HOSTR) | BIT(CSW_XUSB_HOSTW) | BIT(CSR_XUSB_DEVR) | BIT(CSW_XUSB_DEVW) | BIT(CSR_TSECSRD) | BIT(CSW_TSECSWR));
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carveout->client_access_3 = (BIT(CSR_SDMMCRA) | BIT(CSR_SDMMCRAA) | BIT(CSR_SDMMCRAB) | BIT(CSW_SDMMCWA) | BIT(CSW_SDMMCWAA) | BIT(CSW_SDMMCWAB) | BIT(CSR_VICSRD) | BIT(CSW_VICSWR) | BIT(CSR_DISPLAYD) | BIT(CSR_NVDECSRD) | BIT(CSW_NVDECSWR) | BIT(CSR_APER) | BIT(CSW_APEW) | BIT(CSR_NVJPGSRD) | BIT(CSW_NVJPGSWR));
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carveout->client_access_4 = (BIT(CSR_SESRD) | BIT(CSW_SESWR));
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}
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carveout->client_force_internal_access_0 = ((exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_400) && (carveout_id == 4)) ? BIT(CSR_AVPCARM7R) : 0;
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carveout->client_force_internal_access_1 = ((exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_400) && (carveout_id == 4)) ? BIT(CSW_AVPCARM7W) : 0;
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carveout->client_force_internal_access_2 = 0;
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carveout->client_force_internal_access_3 = 0;
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carveout->client_force_internal_access_4 = 0;
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carveout->config = (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_800) ? 0x4CB : 0x8B;
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}
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