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Atmosphere/stratosphere/loader/source/ldr_npdm.hpp
2019-04-07 19:00:49 -07:00

116 lines
3.7 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/>.
*/
#pragma once
#include <switch.h>
#include <cstdio>
#include "ldr_registration.hpp"
#include "ldr_content_management.hpp" /* for ExternalContentSource */
#define MAGIC_META 0x4154454D
#define MAGIC_ACI0 0x30494341
#define MAGIC_ACID 0x44494341
class NpdmUtils {
public:
struct NpdmHeader {
u32 magic;
u32 _0x4;
u32 _0x8;
u8 mmu_flags;
u8 _0xD;
u8 main_thread_prio;
u8 default_cpuid;
u32 _0x10;
u32 system_resource_size;
u32 process_category;
u32 main_stack_size;
char title_name[0x50];
u32 aci0_offset;
u32 aci0_size;
u32 acid_offset;
u32 acid_size;
};
struct NpdmAcid {
u8 signature[0x100];
u8 modulus[0x100];
u32 magic;
u32 size;
u32 _0x208;
u32 flags;
u64 title_id_range_min;
u64 title_id_range_max;
u32 fac_offset;
u32 fac_size;
u32 sac_offset;
u32 sac_size;
u32 kac_offset;
u32 kac_size;
u64 padding;
};
struct NpdmAci0 {
u32 magic;
u8 _0x4[0xC];
u64 title_id;
u64 _0x18;
u32 fah_offset;
u32 fah_size;
u32 sac_offset;
u32 sac_size;
u32 kac_offset;
u32 kac_size;
u64 padding;
};
struct NpdmInfo {
NpdmHeader *header;
NpdmAcid *acid;
NpdmAci0 *aci0;
void *acid_fac;
void *acid_sac;
void *acid_kac;
void *aci0_fah;
void *aci0_sac;
void *aci0_kac;
u64 title_id;
};
struct NpdmCache {
NpdmInfo info;
u8 buffer[0x8000];
};
static_assert(sizeof(NpdmHeader) == 0x80, "Incorrectly defined NpdmHeader!");
static_assert(sizeof(NpdmAcid) == 0x240, "Incorrectly defined NpdmAcid!");
static_assert(sizeof(NpdmAci0) == 0x40, "Incorrectly defined NpdmAci0!");
static u32 GetApplicationType(u32 *caps, size_t num_caps);
static u32 GetApplicationTypeRaw(u32 *caps, size_t num_caps);
static Result ValidateCapabilityAgainstRestrictions(u32 *restrict_caps, size_t num_restrict_caps, u32 *&cur_cap, size_t &caps_remaining);
static Result ValidateCapabilities(u32 *acid_caps, size_t num_acid_caps, u32 *aci0_caps, size_t num_aci0_caps);
static FILE *OpenNpdmFromECS(ContentManagement::ExternalContentSource *ecs);
static FILE *OpenNpdmFromHBL();
static FILE *OpenNpdmFromExeFS();
static FILE *OpenNpdmFromSdCard(u64 tid);
static FILE *OpenNpdm(u64 tid);
static Result LoadNpdm(u64 tid, NpdmInfo *out);
static Result LoadNpdmFromCache(u64 tid, NpdmInfo *out);
static void InvalidateCache(u64 tid);
private:
static Result LoadNpdmInternal(FILE *f_npdm, NpdmCache *cache);
};