DSXG_PCI_NUM_SAVED_REGS
static_assert(DSXG_PCI_NUM_SAVED_LEGACY_REGS <= DSXG_PCI_NUM_SAVED_REGS);
u16 saved_dsxg_pci_regs[DSXG_PCI_NUM_SAVED_REGS];
legacy_reg_count = DSXG_PCI_NUM_SAVED_REGS;
legacy_reg_count = DSXG_PCI_NUM_SAVED_REGS;