Re: debug nic_drv

[Jian L. <gj...@gm...>]

可钦：

除了Gnode在物理机上的调试外，花时间把下面的事情也调研、试一试。

* Fiasco.OC在物理机上的调试。

      Jian LIU
----
email to: gj...@gm...


2013/4/19 Keqin Sun <ke...@nf...>

> Hi,
>     I want to debug nic_drv on a real machine using gdb_monitor. But gdb
> showed this:
>
> (gdb) target remote /dev/ttyS0
> Remote debugging using /dev/ttyS0
> Ignoring packet error, continuing...
> warning: unrecognized item "timeout" in "qSupported" response
> Ignoring packet error, continuing...
> Ignoring packet error, continuing...
> Ignoring packet error, continuing...
>
> and my run srcript is:
> #
> # Build
> #
>
> build { core init drivers/timer
>         drivers/pci
>         app/gdb_monitor
>         drivers/uart
>         drivers/nic }
>
> create_boot_directory
>
> #
> # Generate config
> #
>
> install_config {
> <config verbose="yes">
>         <parent-provides>
>                 <service name="ROM"/>
>                 <service name="RAM"/>
>                 <service name="IRQ"/>
>                 <service name="IO_MEM"/>
>                 <service name="IO_PORT"/>
>                 <service name="CAP"/>
>                 <service name="PD"/>
>                 <service name="RM"/>
>                 <service name="CPU"/>
>                 <service name="LOG"/>
>                 <service name="SIGNAL"/>
>         </parent-provides>
>         <default-route>
>                 <any-service> <parent/> <any-child/> </any-service>
>         </default-route>
>         <start name="timer">
>                 <resource name="RAM" quantum="1M"/>
>                 <provides> <service name="Timer"/> </provides>
>         </start>
>         <start name="uart_drv">
>                 <resource name="RAM" quantum="2M"/>
>                 <provides> <service name="Terminal"/> </provides>
> #is that service name "Terminal" should be "/dev/ttyS0" ?
>                 <config>
>                         <policy label="gdb_monitor" uart="1"/>
>                 </config>
>         </start>
>         <start name="pci_drv">
>                 <resource name="RAM" quantum="2M"/>
>                 <provides><service name="PCI"/></provides>
>         </start>
>         <start name="gdb_monitor">
>                 <resource name="RAM" quantum="5M"/>
>                 <provides><service name="Nic" /></provides>
>                 <config>
>                         <target name="nic_drv"/>
>                         <preserve name="RAM" quantum="2M"/>
>                 </config>
>         </start>
> </config>}
>
> #
> # Boot image
> #
>
> build_boot_image { core init timer
>         ld.lib.so libc.lib.so libc_log.lib.so libc_lock_pipe.lib.so
> libc_terminal.lib.so
>         uart_drv pci_drv
>         gdb_monitor nic_drv }
>
> set local_port 5555
>
> #append qemu_args " -nographic "
> append qemu_args " -m 128 -nographic "
>
> # connect comport 0 to stdio
> append qemu_args " -net nic,model=e1000 -net user "
> append qemu_args " -serial mon:stdio "
>
> # connect comport 1 with TCP port $local_port
> append qemu_args " -serial chardev:uart "
> append qemu_args " -chardev
> socket,id=uart,port=$local_port,host=localhost,server,nowait "
>
> #run_genode_until forever
> run_genode_until {.*Remote debugging using /dev/ttyS0.*} 30
> #run_genode_until {.*Remote debugging using /dev/terminal.*} 30
>
> #exec [terminal] -e "[gdb] bin/nic_drv -ex \"target remote
> localhost:$local_port\" " &
> #exec [terminal] -e "[gdb] bin/nic_drv -ex \"target remote
> localhost:$local_port\" " &
> interact
>
>
> Is that correct?
>
> Maybe the serial was occupied by the system output?
>
>
> keqin
>
>
>
>
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