Differential D29529 Diff 86708 sys/i386/i386/apic_vector.s

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sys/i386/i386/apic_vector.s

Show First 20 Lines • Show All 73 Lines • ▼ Show 20 Lines	*/
.globl X\()\vec_name\()_pti, X\()\vec_name		.globl X\()\vec_name\()_pti, X\()\vec_name

X\()\vec_name\()_pti:		X\()\vec_name\()_pti:
X\()\vec_name:		X\()\vec_name:
PUSH_FRAME		PUSH_FRAME
SET_KERNEL_SREGS		SET_KERNEL_SREGS
cld		cld
KENTER		KENTER
FAKE_MCOUNT(TF_EIP(%esp))
cmpl $0,x2apic_mode		cmpl $0,x2apic_mode
je 2f		je 2f
movl $(MSR_APIC_ISR0 + \index),%ecx		movl $(MSR_APIC_ISR0 + \index),%ecx
rdmsr		rdmsr
jmp 3f		jmp 3f
2:		2:
movl lapic_map, %edx /* pointer to local APIC */		movl lapic_map, %edx /* pointer to local APIC */
movl LA_ISR + 16 * \index(%edx), %eax /* load ISR */		movl LA_ISR + 16 * \index(%edx), %eax /* load ISR */
3:		3:
bsrl %eax, %eax /* index of highest set bit in ISR */		bsrl %eax, %eax /* index of highest set bit in ISR */
jz 4f		jz 4f
addl $(32 * \index),%eax		addl $(32 * \index),%eax
pushl %esp		pushl %esp
pushl %eax /* pass the IRQ */		pushl %eax /* pass the IRQ */
movl $lapic_handle_intr, %eax		movl $lapic_handle_intr, %eax
call *%eax		call *%eax
addl $8, %esp /* discard parameter */		addl $8, %esp /* discard parameter */
4:		4:
MEXITCOUNT
jmp doreti		jmp doreti
.endm		.endm

/*		/*
* Handle "spurious INTerrupts".		* Handle "spurious INTerrupts".
* Notes:		* Notes:
* This is different than the "spurious INTerrupt" generated by an		* This is different than the "spurious INTerrupt" generated by an
* 8259 PIC for missing INTs. See the APIC documentation for details.		* 8259 PIC for missing INTs. See the APIC documentation for details.
Show All 21 Lines	*/
.text		.text
SUPERALIGN_TEXT		SUPERALIGN_TEXT
IDTVEC(timerint_pti)		IDTVEC(timerint_pti)
IDTVEC(timerint)		IDTVEC(timerint)
PUSH_FRAME		PUSH_FRAME
SET_KERNEL_SREGS		SET_KERNEL_SREGS
cld		cld
KENTER		KENTER
FAKE_MCOUNT(TF_EIP(%esp))
pushl %esp		pushl %esp
movl $lapic_handle_timer, %eax		movl $lapic_handle_timer, %eax
call *%eax		call *%eax
add $4, %esp		add $4, %esp
MEXITCOUNT
jmp doreti		jmp doreti

/*		/*
* Local APIC CMCI handler.		* Local APIC CMCI handler.
*/		*/
.text		.text
SUPERALIGN_TEXT		SUPERALIGN_TEXT
IDTVEC(cmcint_pti)		IDTVEC(cmcint_pti)
IDTVEC(cmcint)		IDTVEC(cmcint)
PUSH_FRAME		PUSH_FRAME
SET_KERNEL_SREGS		SET_KERNEL_SREGS
cld		cld
KENTER		KENTER
FAKE_MCOUNT(TF_EIP(%esp))
movl $lapic_handle_cmc, %eax		movl $lapic_handle_cmc, %eax
call *%eax		call *%eax
MEXITCOUNT
jmp doreti		jmp doreti

/*		/*
* Local APIC error interrupt handler.		* Local APIC error interrupt handler.
*/		*/
.text		.text
SUPERALIGN_TEXT		SUPERALIGN_TEXT
IDTVEC(errorint_pti)		IDTVEC(errorint_pti)
IDTVEC(errorint)		IDTVEC(errorint)
PUSH_FRAME		PUSH_FRAME
SET_KERNEL_SREGS		SET_KERNEL_SREGS
cld		cld
KENTER		KENTER
FAKE_MCOUNT(TF_EIP(%esp))
movl $lapic_handle_error, %eax		movl $lapic_handle_error, %eax
call *%eax		call *%eax
MEXITCOUNT
jmp doreti		jmp doreti

#ifdef XENHVM		#ifdef XENHVM
/*		/*
* Xen event channel upcall interrupt handler.		* Xen event channel upcall interrupt handler.
* Only used when the hypervisor supports direct vector callbacks.		* Only used when the hypervisor supports direct vector callbacks.
*/		*/
.text		.text
SUPERALIGN_TEXT		SUPERALIGN_TEXT
IDTVEC(xen_intr_upcall)		IDTVEC(xen_intr_upcall)
PUSH_FRAME		PUSH_FRAME
SET_KERNEL_SREGS		SET_KERNEL_SREGS
cld		cld
KENTER		KENTER
FAKE_MCOUNT(TF_EIP(%esp))
pushl %esp		pushl %esp
movl $xen_intr_handle_upcall, %eax		movl $xen_intr_handle_upcall, %eax
call *%eax		call *%eax
add $4, %esp		add $4, %esp
MEXITCOUNT
jmp doreti		jmp doreti
#endif		#endif

#ifdef SMP		#ifdef SMP
/*		/*
* Global address space TLB shootdown.		* Global address space TLB shootdown.
*/		*/
.text		.text
▲ Show 20 Lines • Show All 60 Lines • ▼ Show 20 Lines	*/
.text		.text
SUPERALIGN_TEXT		SUPERALIGN_TEXT
IDTVEC(ipi_intr_bitmap_handler)		IDTVEC(ipi_intr_bitmap_handler)
PUSH_FRAME		PUSH_FRAME
SET_KERNEL_SREGS		SET_KERNEL_SREGS
cld		cld
KENTER		KENTER
call as_lapic_eoi		call as_lapic_eoi
FAKE_MCOUNT(TF_EIP(%esp))
movl $ipi_bitmap_handler, %eax		movl $ipi_bitmap_handler, %eax
call *%eax		call *%eax
MEXITCOUNT
jmp doreti		jmp doreti

/*		/*
* Executed by a CPU when it receives an IPI_STOP from another CPU.		* Executed by a CPU when it receives an IPI_STOP from another CPU.
*/		*/
.text		.text
SUPERALIGN_TEXT		SUPERALIGN_TEXT
IDTVEC(cpustop)		IDTVEC(cpustop)
Show All 27 Lines	*/
.text		.text
SUPERALIGN_TEXT		SUPERALIGN_TEXT
IDTVEC(ipi_swi)		IDTVEC(ipi_swi)
PUSH_FRAME		PUSH_FRAME
SET_KERNEL_SREGS		SET_KERNEL_SREGS
cld		cld
KENTER		KENTER
call as_lapic_eoi		call as_lapic_eoi
FAKE_MCOUNT(TF_EIP(%esp))
movl $ipi_swi_handler, %eax		movl $ipi_swi_handler, %eax
call *%eax		call *%eax
MEXITCOUNT
jmp doreti		jmp doreti

/*		/*
* Executed by a CPU when it receives a RENDEZVOUS IPI from another CPU.		* Executed by a CPU when it receives a RENDEZVOUS IPI from another CPU.
*		*
* - Calls the generic rendezvous action function.		* - Calls the generic rendezvous action function.
*/		*/
.text		.text
Show All 17 Lines