diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/mach-default/smpboot_hooks.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (diff) |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/mach-default/smpboot_hooks.h')
-rw-r--r-- | include/asm-x86/mach-default/smpboot_hooks.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-x86/mach-default/smpboot_hooks.h b/include/asm-x86/mach-default/smpboot_hooks.h new file mode 100644 index 00000000000..7f45f631105 --- /dev/null +++ b/include/asm-x86/mach-default/smpboot_hooks.h @@ -0,0 +1,44 @@ +/* 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(); +} |