IOSU syscalls: Difference between revisions

Latest revision as of 02:07, 11 February 2024

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-{{stub}}
+#REDIRECT [[IOS]]
-There are 2 types of syscalls:
-. Syscalls using undefined ARM instruction.
-. Syscalls using ARM syscall instruction.
-== Syscalls (via undefined instructions) ==
-Syscalls are invoked by way of the invalid instruction handler; syscalls take the form 0xE7F000F0 | (syscall_num << 8). (E.g. E7F000F0 is syscall 0, E7F036F0 is syscall 0x36, etc.). IOS has 0x82 available syscalls.
-(please feel free to contribute your own findings!)
-{|border=1
-|-
-! ID # !! Internal name !! Description !! Return value
-|-
-| 2D || int device_open(const char* device, int mode) || Similar to IOS_Open on PPC, except now internal to the IOS system || Returns an fd or error (negative)
-|}