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→System calls
| 0x72 || svcConnectToPort || W1=clientport_handle || W0=result, W1=session_handle
| 0x72 || svcConnectToPort || W1=clientport_handle || W0=result, W1=session_handle
|-
|-
| 0x73 || svcSetProcessMemoryPermission || X0=addr, X1=size, W2=perm || W0=result
| 0x73 || [[#svcSetProcessMemoryPermission]] || W0=process_handle, X1=addr, X2=size, W3=perm || W0=result
|-
|-
| 0x74 || [[#svcMapProcessMemory]] || X0=srcaddr, W1=process_handle, X2=dstaddr, X3=size || W0=result
| 0x74 || [[#svcMapProcessMemory]] || X0=srcaddr, W1=process_handle, X2=dstaddr, X3=size || W0=result
'''Description:''' Unmaps an attached device address space from an userspace address.
'''Description:''' Unmaps an attached device address space from an userspace address.
== svcSetProcessMemoryPermission ==
<div style="display: inline-block;">
{| class="wikitable" border="1"
|-
! Argument || Type || Name
|-
| (In) W0 || Handle<Process> || ProcessHandle
|-
| (In) X1 || u64 || Addr
|-
| (In) X2 || u64 || Size
|-
| (In) W3 || void* || Perm
|-
| (Out) W0 || [[#Result]] || Ret
|}
</div>
This sets the memory permissions for the specified memory with the supplied process handle.
This throws an error(0xD801) when the input perm is >0x5, hence -WX and RWX are not allowed.
== svcMapProcessMemory ==
== svcMapProcessMemory ==
| (In) X0 || u64 || SrcAddr
| (In) X0 || u64 || SrcAddr
|-
|-
| (In) W1 || u64 || ProcessHandle
| (In) W1 || Handle<Process> || ProcessHandle
|-
|-
| (In) X2 || void* || DstAddr
| (In) X2 || void* || DstAddr