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i82093reg.h revision 1.3.106.1 
      1  1.3.106.1  yamt /*	 $NetBSD: i82093reg.h,v 1.3.106.1 2008/05/18 12:31:28 yamt Exp $ */
      2        1.1  fvdl 
      3        1.1  fvdl #include <x86/i82093reg.h>
      4        1.1  fvdl 
      5        1.2  fvdl #ifdef _KERNEL
      6        1.2  fvdl 
      7        1.2  fvdl #if defined(_KERNEL_OPT)
      8        1.2  fvdl #include "opt_multiprocessor.h"
      9        1.2  fvdl #endif
     10        1.2  fvdl 
     11        1.1  fvdl #define ioapic_asm_ack(num) \
     12        1.1  fvdl 	movl	$0,(_C_LABEL(local_apic)+LAPIC_EOI)(%rip)
     13        1.2  fvdl 
     14        1.2  fvdl #ifdef MULTIPROCESSOR
     15        1.2  fvdl 
     16  1.3.106.1  yamt #define ioapic_asm_lock(num) 			        \
     17  1.3.106.1  yamt 	movb	$1,%bl				;	\
     18  1.3.106.1  yamt 76:							\
     19  1.3.106.1  yamt         xchgb	%bl,PIC_LOCK(%rdi)		;	\
     20  1.3.106.1  yamt 	testb	%bl,%bl				;	\
     21  1.3.106.1  yamt 	jz	78f				;	\
     22  1.3.106.1  yamt 77:							\
     23  1.3.106.1  yamt 	pause					;	\
     24  1.3.106.1  yamt 	nop					;	\
     25  1.3.106.1  yamt 	nop					;	\
     26  1.3.106.1  yamt 	cmpb	$0,PIC_LOCK(%rdi)		;	\
     27  1.3.106.1  yamt 	jne	77b				;	\
     28  1.3.106.1  yamt 	jmp	76b				;	\
     29  1.3.106.1  yamt 78:
     30        1.2  fvdl 
     31        1.2  fvdl #define ioapic_asm_unlock(num) \
     32  1.3.106.1  yamt 	movb	$0,PIC_LOCK(%rdi)
     33        1.2  fvdl 
     34        1.2  fvdl #else
     35        1.2  fvdl 
     36        1.2  fvdl #define ioapic_asm_lock(num)
     37        1.2  fvdl #define ioapic_asm_unlock(num)
     38        1.2  fvdl 
     39        1.2  fvdl #endif	/* MULTIPROCESSOR */
     40        1.2  fvdl 
     41        1.2  fvdl 
     42        1.2  fvdl #define ioapic_mask(num) \
     43        1.2  fvdl 	movq	IS_PIC(%r14),%rdi				;\
     44        1.2  fvdl 	ioapic_asm_lock(num)					;\
     45        1.2  fvdl 	movl	IS_PIN(%r14),%esi				;\
     46        1.2  fvdl 	leaq	0x10(%rsi,%rsi,1),%rsi				;\
     47        1.2  fvdl 	movq	IOAPIC_SC_REG(%rdi),%r15			;\
     48        1.2  fvdl 	movl	%esi, (%r15)					;\
     49        1.2  fvdl 	movq	IOAPIC_SC_DATA(%rdi),%r15			;\
     50        1.2  fvdl 	movl	(%r15),%esi					;\
     51        1.2  fvdl 	orl	$IOAPIC_REDLO_MASK,%esi				;\
     52        1.2  fvdl 	movl	%esi,(%r15)					;\
     53        1.2  fvdl 	ioapic_asm_unlock(num)
     54        1.2  fvdl 
     55        1.2  fvdl #define ioapic_unmask(num) \
     56        1.2  fvdl 	cmpq	$IREENT_MAGIC,(TF_ERR+8)(%rsp)			;\
     57        1.2  fvdl 	jne	79f						;\
     58        1.2  fvdl 	movq	IS_PIC(%r14),%rdi				;\
     59        1.2  fvdl 	ioapic_asm_lock(num)					;\
     60        1.2  fvdl 	movl	IS_PIN(%r14),%esi				;\
     61        1.2  fvdl 	leaq	0x10(%rsi,%rsi,1),%rsi				;\
     62        1.2  fvdl 	movq	IOAPIC_SC_REG(%rdi),%r15			;\
     63        1.3  fvdl 	movq	IOAPIC_SC_DATA(%rdi),%r13			;\
     64        1.2  fvdl 	movl	%esi, (%r15)					;\
     65        1.3  fvdl 	movl	(%r13),%r12d					;\
     66        1.3  fvdl 	andl	$~IOAPIC_REDLO_MASK,%r12d			;\
     67        1.2  fvdl 	movl	%esi,(%r15)					;\
     68        1.3  fvdl 	movl	%r12d,(%r13)					;\
     69        1.2  fvdl 	ioapic_asm_unlock(num)					;\
     70        1.2  fvdl 79:
     71        1.2  fvdl 
     72        1.2  fvdl #endif
     73