ns.c

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#include <stdlib.h>
#include <3ds.h>

static Handle nsHandle;

Result nsInit()
{
    return srvGetServiceHandle(&nsHandle, "ns:s");  
}

Result nsExit()
{
    return svcCloseHandle(nsHandle);
}

Result NS_LaunchTitle(u64 titleid, u32 launch_flags, u32 *procid)
{
    Result ret = 0;
    u32 *cmdbuf = getThreadCommandBuffer();

    cmdbuf[0] = 0x000200C0;
    cmdbuf[1] = titleid & 0xffffffff;
    cmdbuf[2] = (titleid >> 32) & 0xffffffff;
    cmdbuf[3] = launch_flags;
    
    if((ret = svcSendSyncRequest(nsHandle))!=0)return ret;

    if(procid != NULL)
        *procid = cmdbuf[2];
    
    return (Result)cmdbuf[1];
}

Result NS_RebootToTitle(u8 mediatype, u64 titleid)
{
    Result ret = 0;
    u32 *cmdbuf = getThreadCommandBuffer();

    cmdbuf[0] = 0x00100180;
    cmdbuf[1] = 0x1;
    cmdbuf[2] = titleid & 0xffffffff;
    cmdbuf[3] = (titleid >> 32) & 0xffffffff;
    cmdbuf[4] = mediatype;
    cmdbuf[5] = 0x0; // reserved
    cmdbuf[6] = 0x0;
    
    if((ret = svcSendSyncRequest(nsHandle))!=0)return ret;

    return (Result)cmdbuf[1];
}