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- /* two abstractions specific to kernel/smpboot.c, mainly to cater to visws
- * which needs to alter them. */
- static inline void smpboot_clear_io_apic_irqs(void)
- {
- io_apic_irqs = 0;
- }
- static inline void smpboot_setup_warm_reset_vector(unsigned long start_eip)
- {
- CMOS_WRITE(0xa, 0xf);
- local_flush_tlb();
- Dprintk("1.\n");
- *((volatile unsigned short *) TRAMPOLINE_HIGH) = start_eip >> 4;
- Dprintk("2.\n");
- *((volatile unsigned short *) TRAMPOLINE_LOW) = start_eip & 0xf;
- Dprintk("3.\n");
- }
- static inline void smpboot_restore_warm_reset_vector(void)
- {
- /*
- * Install writable page 0 entry to set BIOS data area.
- */
- local_flush_tlb();
- /*
- * Paranoid: Set warm reset code and vector here back
- * to default values.
- */
- CMOS_WRITE(0, 0xf);
- *((volatile long *) phys_to_virt(0x467)) = 0;
- }
- static inline void smpboot_setup_io_apic(void)
- {
- /*
- * Here we can be sure that there is an IO-APIC in the system. Let's
- * go and set it up:
- */
- if (!skip_ioapic_setup && nr_ioapics)
- setup_IO_APIC();
- }
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