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 */
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 */
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static inline uintptr_t get_stack_base(void)
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static inline uintptr_t get_stack_base(void)
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{
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{
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    uintptr_t v;
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    uintptr_t v;
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    asm volatile (
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        "and %0, $29, %1\n"
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        : "=r" (v)
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    asm volatile ("and %0, $29, %1\n" : "=r" (v) : "r" (~(STACK_SIZE-1)));
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        : "r" (~(STACK_SIZE-1))
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    );
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    return v;
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    return v;
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}
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}
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extern void cpu_halt(void);
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extern void cpu_halt(void);
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extern void asm_delay_loop(uint32_t t);
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extern void asm_delay_loop(uint32_t t);
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extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg,
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extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg,
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              uintptr_t entry);
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    uintptr_t entry);
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extern ipl_t interrupts_disable(void);
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extern ipl_t interrupts_disable(void);
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extern ipl_t interrupts_enable(void);
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extern ipl_t interrupts_enable(void);
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extern void interrupts_restore(ipl_t ipl);
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extern void interrupts_restore(ipl_t ipl);
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extern ipl_t interrupts_read(void);
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extern ipl_t interrupts_read(void);
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extern void asm_delay_loop(uint32_t t);
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/** No I/O port address space on MIPS. */
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static inline void outb(ioport_t port, uint8_t v)
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static inline void pio_write_8(ioport_t port, uint8_t v)
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{
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{
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    /* XXX */
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}
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}
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/** No I/O port address space on MIPS. */
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static inline uint8_t inb(ioport_t port)
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static inline uint8_t pio_read_8(ioport_t port)
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{
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{
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    return 0;
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    return 0;   /* XXX */
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}
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}
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#endif
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#endif
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/** @}
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/** @}