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https://github.com/RGBCube/serenity
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UserspaceEmulator: Add the get_dir_entries() syscall + an ioctl() stub
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2 changed files with 25 additions and 0 deletions
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@ -226,6 +226,10 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
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dbgprintf("Syscall: %s (%x)\n", Syscall::to_string((Syscall::Function)function), function);
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dbgprintf("Syscall: %s (%x)\n", Syscall::to_string((Syscall::Function)function), function);
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#endif
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#endif
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switch (function) {
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switch (function) {
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case SC_ioctl:
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return virt$ioctl(arg1, arg2, arg3);
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case SC_get_dir_entries:
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return virt$get_dir_entries(arg1, arg2, arg3);
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case SC_usleep:
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case SC_usleep:
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return virt$usleep(arg1);
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return virt$usleep(arg1);
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case SC_shbuf_create:
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case SC_shbuf_create:
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@ -779,4 +783,23 @@ ssize_t Emulator::virt$getrandom(FlatPtr buffer, size_t buffer_size, unsigned in
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return rc;
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return rc;
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}
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}
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int Emulator::virt$get_dir_entries(int fd, FlatPtr buffer, ssize_t size)
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{
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auto host_buffer = ByteBuffer::create_uninitialized(size);
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int rc = syscall(SC_get_dir_entries, fd, host_buffer.data(), host_buffer.size());
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if (rc < 0)
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return rc;
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mmu().copy_to_vm(buffer, host_buffer.data(), host_buffer.size());
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return rc;
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}
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int Emulator::virt$ioctl(int fd, unsigned request, FlatPtr arg)
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{
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(void)fd;
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(void)arg;
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dbg() << "Unsupported ioctl: " << request;
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dump_backtrace();
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TODO();
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}
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}
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}
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@ -68,6 +68,8 @@ private:
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void setup_stack(const Vector<String>& arguments);
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void setup_stack(const Vector<String>& arguments);
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int virt$get_dir_entries(int fd, FlatPtr buffer, ssize_t);
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int virt$ioctl(int fd, unsigned, FlatPtr);
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int virt$usleep(useconds_t);
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int virt$usleep(useconds_t);
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int virt$shbuf_create(int size, FlatPtr buffer);
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int virt$shbuf_create(int size, FlatPtr buffer);
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int virt$shbuf_allow_pid(int, pid_t peer_pid);
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int virt$shbuf_allow_pid(int, pid_t peer_pid);
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