-void isa_unassign_ioport(int start, int length);
-
-
-/* NOTE: as these functions may be even used when there is an isa
- brige on non x86 targets, we always defined them */
-#if !defined(NO_CPU_IO_DEFS) && defined(NEED_CPU_H)
-void cpu_outb(CPUState *env, int addr, int val);
-void cpu_outw(CPUState *env, int addr, int val);
-void cpu_outl(CPUState *env, int addr, int val);
-int cpu_inb(CPUState *env, int addr);
-int cpu_inw(CPUState *env, int addr);
-int cpu_inl(CPUState *env, int addr);
-#endif
+void isa_unassign_ioport(pio_addr_t start, int length);
+bool isa_is_ioport_assigned(pio_addr_t start);
+
+void cpu_outb(pio_addr_t addr, uint8_t val);
+void cpu_outw(pio_addr_t addr, uint16_t val);
+void cpu_outl(pio_addr_t addr, uint32_t val);
+uint8_t cpu_inb(pio_addr_t addr);
+uint16_t cpu_inw(pio_addr_t addr);
+uint32_t cpu_inl(pio_addr_t addr);