Method read_reg

pci/src/configuration.rs:647–649

Reads a 32bit register from `reg_idx` in the register map.

(&self, reg_idx: usize)

    /// Reads a 32bit register from `reg_idx` in the register map.
    pub fn read_reg(&self, reg_idx: usize) -> u32 {
        *(self.registers.get(reg_idx).unwrap_or(&0xffff_ffff))
    }

    /// Writes a 32bit register to `reg_idx` in the register map.
    pub fn write_reg(&mut self, reg_idx: usize, value: u32) {