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Unify apic.h variants. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Thomas Gleixner
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Ingo Molnar
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Jan 30, 2008
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#ifdef CONFIG_X86_32 | ||
# include "apic_32.h" | ||
#ifndef _ASM_X86_APIC_H | ||
#define _ASM_X86_APIC_H | ||
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#include <linux/pm.h> | ||
#include <linux/delay.h> | ||
#include <asm/fixmap.h> | ||
#include <asm/apicdef.h> | ||
#include <asm/processor.h> | ||
#include <asm/system.h> | ||
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#define ARCH_APICTIMER_STOPS_ON_C3 1 | ||
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#define Dprintk(x...) | ||
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/* | ||
* Debugging macros | ||
*/ | ||
#define APIC_QUIET 0 | ||
#define APIC_VERBOSE 1 | ||
#define APIC_DEBUG 2 | ||
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/* | ||
* Define the default level of output to be very little | ||
* This can be turned up by using apic=verbose for more | ||
* information and apic=debug for _lots_ of information. | ||
* apic_verbosity is defined in apic.c | ||
*/ | ||
#define apic_printk(v, s, a...) do { \ | ||
if ((v) <= apic_verbosity) \ | ||
printk(s, ##a); \ | ||
} while (0) | ||
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extern void generic_apic_probe(void); | ||
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#ifdef CONFIG_X86_LOCAL_APIC | ||
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extern int apic_verbosity; | ||
extern int timer_over_8254; | ||
extern int local_apic_timer_c2_ok; | ||
extern int local_apic_timer_disabled; | ||
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extern int apic_runs_main_timer; | ||
extern int ioapic_force; | ||
extern int disable_apic_timer; | ||
extern unsigned boot_cpu_id; | ||
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/* | ||
* Basic functions accessing APICs. | ||
*/ | ||
#ifdef CONFIG_PARAVIRT | ||
#include <asm/paravirt.h> | ||
#else | ||
# include "apic_64.h" | ||
#define apic_write native_apic_write | ||
#define apic_write_atomic native_apic_write_atomic | ||
#define apic_read native_apic_read | ||
#define setup_boot_clock setup_boot_APIC_clock | ||
#define setup_secondary_clock setup_secondary_APIC_clock | ||
#endif | ||
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static inline fastcall void native_apic_write(unsigned long reg, u32 v) | ||
{ | ||
*((volatile u32 *)(APIC_BASE + reg)) = v; | ||
} | ||
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static inline fastcall void native_apic_write_atomic(unsigned long reg, u32 v) | ||
{ | ||
(void) xchg((u32*)(APIC_BASE + reg), v); | ||
} | ||
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static inline fastcall u32 native_apic_read(unsigned long reg) | ||
{ | ||
return *((volatile u32 *)(APIC_BASE + reg)); | ||
} | ||
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extern void apic_wait_icr_idle(void); | ||
extern u32 safe_apic_wait_icr_idle(void); | ||
extern int get_physical_broadcast(void); | ||
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#ifdef CONFIG_X86_GOOD_APIC | ||
# define FORCE_READ_AROUND_WRITE 0 | ||
# define apic_read_around(x) | ||
# define apic_write_around(x, y) apic_write((x), (y)) | ||
#else | ||
# define FORCE_READ_AROUND_WRITE 1 | ||
# define apic_read_around(x) apic_read(x) | ||
# define apic_write_around(x, y) apic_write_atomic((x), (y)) | ||
#endif | ||
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static inline void ack_APIC_irq(void) | ||
{ | ||
/* | ||
* ack_APIC_irq() actually gets compiled as a single instruction: | ||
* - a single rmw on Pentium/82489DX | ||
* - a single write on P6+ cores (CONFIG_X86_GOOD_APIC) | ||
* ... yummie. | ||
*/ | ||
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/* Docs say use 0 for future compatibility */ | ||
apic_write_around(APIC_EOI, 0); | ||
} | ||
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extern int lapic_get_maxlvt(void); | ||
extern void clear_local_APIC(void); | ||
extern void connect_bsp_APIC(void); | ||
extern void disconnect_bsp_APIC(int virt_wire_setup); | ||
extern void disable_local_APIC(void); | ||
extern void lapic_shutdown(void); | ||
extern int verify_local_APIC(void); | ||
extern void cache_APIC_registers(void); | ||
extern void sync_Arb_IDs(void); | ||
extern void init_bsp_APIC(void); | ||
extern void setup_local_APIC(void); | ||
extern void init_apic_mappings(void); | ||
extern void smp_local_timer_interrupt(void); | ||
extern void setup_boot_APIC_clock(void); | ||
extern void setup_secondary_APIC_clock(void); | ||
extern int APIC_init_uniprocessor(void); | ||
extern void enable_NMI_through_LVT0(void *dummy); | ||
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/* | ||
* On 32bit this is mach-xxx local | ||
*/ | ||
#ifdef CONFIG_X86_64 | ||
extern void setup_apic_routing(void); | ||
#endif | ||
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extern void setup_APIC_extended_lvt(unsigned char lvt_off, unsigned char vector, | ||
unsigned char msg_type, unsigned char mask); | ||
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extern int apic_is_clustered_box(void); | ||
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#else /* !CONFIG_X86_LOCAL_APIC */ | ||
static inline void lapic_shutdown(void) { } | ||
#define local_apic_timer_c2_ok 1 | ||
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#endif /* !CONFIG_X86_LOCAL_APIC */ | ||
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#endif /* __ASM_APIC_H */ |
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