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• Ernie Secure
  ...Communication Session Key''' the same way as cMeP and registers it in its memory. Ernie provides raw storage in its Data Flash memory, named NVS (Non-Volatile Storage) by SCE. The PS Vita OS partitions some of
  9 KB (1,287 words) - 21:59, 10 January 2024
• SceSysmem Types
  /** @name Memory types that can be specified with sceKernelAllocMemBlock * @brief User readable / writable LPDDR2 memory
  68 KB (8,827 words) - 19:22, 13 February 2024
• NSKBL
  ...<code>0x51000000</code>-<code>0x51FFFFFF</code> where NSKBL resides. This memory range is mapped as RWX and seems to be the only RWX mapping in the Non-Secu ...ng (which is 16KiB-sized) is turned into a "heap" as part of this process. Memory allocation needs are serviced from this space using <code>sceKernelSysrootA
  25 KB (3,006 words) - 17:42, 30 March 2024
• Cmep registers
  20 (0x0010 0000): Clearable | Master keyring can target memory. ...0000): Clearable | ?WriteByBigmacAllowed?. ?Locked keyring can target Cmep memory.?
  18 KB (2,382 words) - 02:14, 27 October 2023
• Grover
  ...nce the MMU is turned on, most of the RAM is identity-mapped as RWX Device memory in Domain 1, with the following exceptions: * DRAM is identity mapped as Device memory, but also mapped as cacheable memory at vaddress 0xC0000000
  12 KB (1,872 words) - 18:32, 8 January 2024
• SceExcpmgr
  ...interrupts masked and DACR set to 0xFFFF0000 (to prevent access to certain memory domains). Any other syscall numbers are invalid. ...MONCALL_SET_SHARED_MEMORY</code> - Sets the physical address of the shared memory area for Secure kernel
  39 KB (5,033 words) - 19:23, 25 March 2024
• Pervasive
  | Memory Stick InterFace. See [[MSIF Registers]]. | Scratch Pad Memory 32KiB
  27 KB (3,223 words) - 00:05, 1 February 2024
• Bugs
  SceKernelLibraryInfo.libname is a pointer to kernel memory. See [[SceKernelModulemgr#Types]]. ...nter always has bit 0 as 1, so if the entry point is the last 4-bytes of a memory page, then the next check fails and returns 0x80020006.
  23 KB (3,419 words) - 11:41, 8 February 2024
• System Software
  ...m will refuse to accept a memory card locked to another account unless the memory card is reformatted.<ref>http://i.imgur.com/4nsEl.jpg</ref> * Video support within the [Browser] has been added (a memory card is required; some videos are not supported).
  36 KB (5,184 words) - 10:38, 14 January 2024
• KBL Param
  ...RAM size (0x20000000 on retail and testkit, 0x40000000 on DevKit in DevKit Memory Size mode) As you can see this way is not convenient to know in memory on which byte corresponds which bit flag, so instead we can use a formula t
  32 KB (4,766 words) - 17:59, 19 May 2024
• Virtual Memory
  For this memory map, these were the contents of the registers: | 0x407C404A (Random effective memory every time a process is started)
  37 KB (4,938 words) - 05:51, 2 September 2023
• Physical Memory
  | <code>/dev/null</code> - memory that reads as zero and ignores writes. Used by [[SceMsif]]. | <code>/dev/null (E)</code> - memory that reads as zero and ignores writes. Not accessible by ARM NS.
  31 KB (4,305 words) - 19:50, 22 February 2024
• SceSdif
  ...(internal storage), gamecard MMC, SD/micro SD card, Wlan/Bt SDIO devices. Memory Card is handled by [[SceMsif]] instead as it uses an authentication securit During initialization step Sdif driver allocates couple of memory blocks. This happens when 'module_start' function is called, inside 'init'
  27 KB (3,838 words) - 17:14, 20 January 2024
• SceFios2Kernel
  Close dir fd and free param memory.
  14 KB (1,447 words) - 08:59, 25 May 2023
• Vulnerabilities
  ...s/detail?id=63866</ref> using type confusion to treat a double as a string memory address and length. The other is a type confusion exploit CVE-2010-1807 on ...ritten outside the "m_storage->m_vector[]" buffer, which leads to the heap memory corruption.
  59 KB (8,666 words) - 18:39, 13 October 2023
• PRX
  ...ped modules, SceModuleInfo structure is located in ".sceModuleInfo.rodata" memory block. ...|| SCE_MODULE_ATTR_CANT_STOP || Resident module i.e. module that stays in memory til poweroff. Such a module cannot be unloaded.
  38 KB (5,257 words) - 14:21, 25 December 2023
• Applications
  ...However, there is no way to mount actual partitions like <code>ux0</code> (memory card).
  6 KB (969 words) - 16:52, 10 October 2022
• SceSblPostSsMgr
  // If read_from_nvs is false, it reads expire_date from SceSblPostSsMgr memory, else it reads NVS and queries act_sm. Returns true if a1 and a2 are identical to some values in memory.
  26 KB (2,666 words) - 23:28, 16 July 2023
• Secure Modules Functions
  ...sed when passing large buffers of data to [[CMeP]]. The reason is that the memory manager in kernel could allocate contiguous virtual addresses that correspo ...[SLB2]] partition. The raw (encrypted) SELF is stored in ARM [[TrustZone]] memory. It is placed there by an early bootloader.
  53 KB (7,975 words) - 21:55, 10 January 2024
• SceProcessmgr
  void* KPLS_slots[0x20]; // Pointer to memory allocated for KPLS slots of this process - [3] is "display_info" (size mayb Cleans process memory in range with pseudo random values. Both address and length must be aligned
  55 KB (6,358 words) - 05:12, 13 February 2024
• SceCompat
  ...r 1 (black screen) or 2 (suspend Pervasive, slow down CPU, wipe act.dat in memory)
  16 KB (1,841 words) - 22:26, 16 July 2023
• Secure Kernel
  ...s to a small stub at 0x008000E0. This small stub clears everything in cMeP memory in the region 0x00800100-0x8080FF0. Unknown why last 0x10 bytes are not cle ...cePervasiveResetReg +0x190 to enable re-writing the mask for the protected memory (keyring)
  34 KB (5,112 words) - 18:25, 17 September 2023
• Updater
  ...tem partitions. The flags argument found in R1 (second argument) as a user memory pointer offset 0x10.
  12 KB (1,734 words) - 06:42, 22 January 2023
• SceKernelModulemgr
  ...he SELF decryption process. SceKernelModulemgr loads the ELF programs into memory along with linking with NIDs and relocation of ELF in position independent void *vaddr; //!< address in memory
  91 KB (11,099 words) - 06:25, 11 November 2023
• SceLowio
  Copies buf to memory. Sets a2 and a3 in memory.
  56 KB (6,898 words) - 22:15, 5 February 2024
• Boot Sequence
  Upon suspension, context is written to memory and a syscon command is issued to save the context pointer as well as other
  12 KB (1,757 words) - 08:24, 9 August 2023
• Second Loader
  If resume, ARM exception vectors are copied from TZ memory at 0x40000000 to 0x1F000000 (0x0 alias on ARM). If coldboot, kernel_boot_lo
  15 KB (2,034 words) - 09:37, 14 January 2022
• Ernie
  * A) configstorage data is read from SceSyscon memory * A) configstorage data is read from SceSyscon memory
  40 KB (5,093 words) - 18:08, 19 May 2024
• SceLibKernel
  Reads 4 bytes from thread memory. Each thread owns a private 2048bytes memory region with specific data (?TLS?). The end of this region is pointed by the
  54 KB (5,657 words) - 20:43, 2 April 2024
• SceSysStateMgr
  Same as [[SceSysStateMgr#load|load]], but module is loaded in TOOL memory instead. Requires DIP switch 210.
  23 KB (3,187 words) - 21:33, 1 May 2023
• SceKernelThreadMgr
  * The lightweight mutex work area must be reserved in the user memory space. ...eKernelLwMutexWork structure must be arranged with 8-byte alignment on the memory.
  209 KB (25,319 words) - 15:45, 1 April 2024
• SceKernelIntrMgr
  * @retval (>0) UID of the syscall table memory block
  30 KB (3,151 words) - 05:56, 13 October 2023
• SceAppMgr
  SceAppMgrEvent *firstCustomEvent; // 0x290 - heap memory address of size 0x14 (the 5 following events on FW 0.990) ...et || one of "big", "game", "sys", "shell", "small", "mini" || App budget (memory allocation size)
  105 KB (12,624 words) - 05:03, 6 December 2023
• SceSyscon
  Executes programming, i.e writes segments to Syscon Flash memory. Sets AffirmativeRertyMode flag in kernel memory. During SceSyscon initialization, AffirmativeRertyMode is enabled by defaul
  110 KB (12,775 words) - 21:59, 4 April 2024
• SceSysmem
  ...es. See [[Virtual Memory]] and [[Physical Memory]] for more details on the memory subsystem. Grows physical memory partition with pbase.
  348 KB (38,144 words) - 05:11, 14 March 2024
• SceSblSsMgr
  ...ine to initialize the Crepo key ring. The Crepo key ring is then cached in memory from the result of decrypt with portability.
  51 KB (5,988 words) - 18:07, 19 May 2024
• SceIofilemgr
  io_scheduler* unk_58; // Removable media (memory card)
  71 KB (8,747 words) - 13:51, 13 November 2023

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