qemu.gdb

define lk
    target remote :1234

end
document lk
    Attache to remote 127.0.0.1:1234
end

define qr
    monitor system_reset
    tb *0x0
    c
end
document qr
    Reset QEMU and stop @0x00000000.
end

define xp
    monitor xp $arg0 $arg1
end
document xp
xp /fmt addr -- physical memory dump starting at 'addr'
end

python
import gdb

class VA_to_PA (gdb.Function):
    """get value from phy addr
    param: addr, phy addr
    """
    def __init__ (self):
        super (VA_to_PA, self).__init__ ("va2pa")

    def invoke (self, addr):
        raw_phy_get = gdb.execute("monitor gva2gpa 0x%x" % (addr),True,True)
        #print(raw_phy_get)

        pa_info = raw_phy_get.split(":")
        if len(pa_info) != 2:
            print("ERROR: 0x%lx is not mapped!\n" % addr)
            return -1
        return int(pa_info[1],16) 
VA_to_PA()

class Dump_phy_value (gdb.Function):
    """get value from phy addr
    param: addr, phy addr
    """
    def __init__ (self):
        super (Dump_phy_value, self).__init__ ("dpa")

    def invoke (self, addr):
        raw_phy_get = gdb.execute("monitor xp /x 0x%x" % (addr),True,True)
        #print(raw_phy_get)
        value = int(raw_phy_get.split(":")[1],16)
        return value
Dump_phy_value()

end
define get_phy_value
    set $addr = $arg0
    set $_SIMON_QEMU_PHY_ADDR = $addr
    py get_phy_value()
end
document get_phy_value
    get_phy_value PHY_ADDR ,value will be returned in $_SIMON_QEMU_PHY_VALUE
end

set $SIMON_QEMU_LOADED=1