mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 00:48:50 +00:00
a22c3f615a
- Consolidate the VECTOR defines and the usage sites.
- Cleanup GDT/IDT related code and replace open coded ASM with proper
native helfper functions.
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Merge tag 'x86-irq-2021-06-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 interrupt related updates from Thomas Gleixner:
- Consolidate the VECTOR defines and the usage sites.
- Cleanup GDT/IDT related code and replace open coded ASM with proper
native helper functions.
* tag 'x86-irq-2021-06-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kexec: Set_[gi]dt() -> native_[gi]dt_invalidate() in machine_kexec_*.c
x86: Add native_[ig]dt_invalidate()
x86/idt: Remove address argument from idt_invalidate()
x86/irq: Add and use NR_EXTERNAL_VECTORS and NR_SYSTEM_VECTORS
x86/irq: Remove unused vectors defines
694 lines
22 KiB
C
694 lines
22 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_IDTENTRY_H
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#define _ASM_X86_IDTENTRY_H
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/* Interrupts/Exceptions */
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#include <asm/trapnr.h>
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#ifndef __ASSEMBLY__
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#include <linux/entry-common.h>
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#include <linux/hardirq.h>
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#include <asm/irq_stack.h>
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/**
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* DECLARE_IDTENTRY - Declare functions for simple IDT entry points
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* No error code pushed by hardware
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Declares three functions:
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* - The ASM entry point: asm_##func
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* - The XEN PV trap entry point: xen_##func (maybe unused)
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* - The C handler called from the ASM entry point
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*
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* Note: This is the C variant of DECLARE_IDTENTRY(). As the name says it
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* declares the entry points for usage in C code. There is an ASM variant
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* as well which is used to emit the entry stubs in entry_32/64.S.
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*/
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#define DECLARE_IDTENTRY(vector, func) \
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asmlinkage void asm_##func(void); \
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asmlinkage void xen_asm_##func(void); \
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__visible void func(struct pt_regs *regs)
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/**
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* DEFINE_IDTENTRY - Emit code for simple IDT entry points
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* @func: Function name of the entry point
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*
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* @func is called from ASM entry code with interrupts disabled.
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*
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* The macro is written so it acts as function definition. Append the
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* body with a pair of curly brackets.
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*
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* irqentry_enter() contains common code which has to be invoked before
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* arbitrary code in the body. irqentry_exit() contains common code
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* which has to run before returning to the low level assembly code.
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*/
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#define DEFINE_IDTENTRY(func) \
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static __always_inline void __##func(struct pt_regs *regs); \
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\
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__visible noinstr void func(struct pt_regs *regs) \
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{ \
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irqentry_state_t state = irqentry_enter(regs); \
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\
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instrumentation_begin(); \
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__##func (regs); \
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instrumentation_end(); \
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irqentry_exit(regs, state); \
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} \
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\
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static __always_inline void __##func(struct pt_regs *regs)
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/* Special case for 32bit IRET 'trap' */
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#define DECLARE_IDTENTRY_SW DECLARE_IDTENTRY
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#define DEFINE_IDTENTRY_SW DEFINE_IDTENTRY
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/**
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* DECLARE_IDTENTRY_ERRORCODE - Declare functions for simple IDT entry points
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* Error code pushed by hardware
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Declares three functions:
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* - The ASM entry point: asm_##func
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* - The XEN PV trap entry point: xen_##func (maybe unused)
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* - The C handler called from the ASM entry point
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*
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* Same as DECLARE_IDTENTRY, but has an extra error_code argument for the
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* C-handler.
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*/
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#define DECLARE_IDTENTRY_ERRORCODE(vector, func) \
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asmlinkage void asm_##func(void); \
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asmlinkage void xen_asm_##func(void); \
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__visible void func(struct pt_regs *regs, unsigned long error_code)
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/**
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* DEFINE_IDTENTRY_ERRORCODE - Emit code for simple IDT entry points
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* Error code pushed by hardware
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* @func: Function name of the entry point
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*
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* Same as DEFINE_IDTENTRY, but has an extra error_code argument
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*/
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#define DEFINE_IDTENTRY_ERRORCODE(func) \
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static __always_inline void __##func(struct pt_regs *regs, \
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unsigned long error_code); \
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\
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__visible noinstr void func(struct pt_regs *regs, \
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unsigned long error_code) \
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{ \
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irqentry_state_t state = irqentry_enter(regs); \
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\
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instrumentation_begin(); \
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__##func (regs, error_code); \
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instrumentation_end(); \
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irqentry_exit(regs, state); \
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} \
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\
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static __always_inline void __##func(struct pt_regs *regs, \
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unsigned long error_code)
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/**
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* DECLARE_IDTENTRY_RAW - Declare functions for raw IDT entry points
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* No error code pushed by hardware
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Maps to DECLARE_IDTENTRY().
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*/
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#define DECLARE_IDTENTRY_RAW(vector, func) \
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DECLARE_IDTENTRY(vector, func)
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/**
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* DEFINE_IDTENTRY_RAW - Emit code for raw IDT entry points
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* @func: Function name of the entry point
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*
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* @func is called from ASM entry code with interrupts disabled.
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*
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* The macro is written so it acts as function definition. Append the
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* body with a pair of curly brackets.
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*
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* Contrary to DEFINE_IDTENTRY() this does not invoke the
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* idtentry_enter/exit() helpers before and after the body invocation. This
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* needs to be done in the body itself if applicable. Use if extra work
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* is required before the enter/exit() helpers are invoked.
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*/
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#define DEFINE_IDTENTRY_RAW(func) \
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__visible noinstr void func(struct pt_regs *regs)
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/**
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* DECLARE_IDTENTRY_RAW_ERRORCODE - Declare functions for raw IDT entry points
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* Error code pushed by hardware
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Maps to DECLARE_IDTENTRY_ERRORCODE()
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*/
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#define DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func) \
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DECLARE_IDTENTRY_ERRORCODE(vector, func)
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/**
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* DEFINE_IDTENTRY_RAW_ERRORCODE - Emit code for raw IDT entry points
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* @func: Function name of the entry point
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*
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* @func is called from ASM entry code with interrupts disabled.
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*
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* The macro is written so it acts as function definition. Append the
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* body with a pair of curly brackets.
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*
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* Contrary to DEFINE_IDTENTRY_ERRORCODE() this does not invoke the
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* irqentry_enter/exit() helpers before and after the body invocation. This
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* needs to be done in the body itself if applicable. Use if extra work
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* is required before the enter/exit() helpers are invoked.
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*/
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#define DEFINE_IDTENTRY_RAW_ERRORCODE(func) \
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__visible noinstr void func(struct pt_regs *regs, unsigned long error_code)
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/**
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* DECLARE_IDTENTRY_IRQ - Declare functions for device interrupt IDT entry
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* points (common/spurious)
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Maps to DECLARE_IDTENTRY_ERRORCODE()
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*/
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#define DECLARE_IDTENTRY_IRQ(vector, func) \
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DECLARE_IDTENTRY_ERRORCODE(vector, func)
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/**
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* DEFINE_IDTENTRY_IRQ - Emit code for device interrupt IDT entry points
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* @func: Function name of the entry point
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*
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* The vector number is pushed by the low level entry stub and handed
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* to the function as error_code argument which needs to be truncated
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* to an u8 because the push is sign extending.
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*
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* irq_enter/exit_rcu() are invoked before the function body and the
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* KVM L1D flush request is set. Stack switching to the interrupt stack
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* has to be done in the function body if necessary.
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*/
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#define DEFINE_IDTENTRY_IRQ(func) \
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static void __##func(struct pt_regs *regs, u32 vector); \
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\
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__visible noinstr void func(struct pt_regs *regs, \
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unsigned long error_code) \
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{ \
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irqentry_state_t state = irqentry_enter(regs); \
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u32 vector = (u32)(u8)error_code; \
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\
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instrumentation_begin(); \
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kvm_set_cpu_l1tf_flush_l1d(); \
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run_irq_on_irqstack_cond(__##func, regs, vector); \
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instrumentation_end(); \
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irqentry_exit(regs, state); \
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} \
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\
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static noinline void __##func(struct pt_regs *regs, u32 vector)
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/**
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* DECLARE_IDTENTRY_SYSVEC - Declare functions for system vector entry points
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Declares three functions:
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* - The ASM entry point: asm_##func
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* - The XEN PV trap entry point: xen_##func (maybe unused)
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* - The C handler called from the ASM entry point
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*
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* Maps to DECLARE_IDTENTRY().
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*/
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#define DECLARE_IDTENTRY_SYSVEC(vector, func) \
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DECLARE_IDTENTRY(vector, func)
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/**
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* DEFINE_IDTENTRY_SYSVEC - Emit code for system vector IDT entry points
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* @func: Function name of the entry point
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*
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* irqentry_enter/exit() and irq_enter/exit_rcu() are invoked before the
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* function body. KVM L1D flush request is set.
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*
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* Runs the function on the interrupt stack if the entry hit kernel mode
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*/
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#define DEFINE_IDTENTRY_SYSVEC(func) \
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static void __##func(struct pt_regs *regs); \
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\
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__visible noinstr void func(struct pt_regs *regs) \
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{ \
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irqentry_state_t state = irqentry_enter(regs); \
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\
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instrumentation_begin(); \
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kvm_set_cpu_l1tf_flush_l1d(); \
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run_sysvec_on_irqstack_cond(__##func, regs); \
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instrumentation_end(); \
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irqentry_exit(regs, state); \
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} \
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\
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static noinline void __##func(struct pt_regs *regs)
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/**
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* DEFINE_IDTENTRY_SYSVEC_SIMPLE - Emit code for simple system vector IDT
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* entry points
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* @func: Function name of the entry point
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*
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* Runs the function on the interrupted stack. No switch to IRQ stack and
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* only the minimal __irq_enter/exit() handling.
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*
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* Only use for 'empty' vectors like reschedule IPI and KVM posted
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* interrupt vectors.
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*/
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#define DEFINE_IDTENTRY_SYSVEC_SIMPLE(func) \
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static __always_inline void __##func(struct pt_regs *regs); \
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\
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__visible noinstr void func(struct pt_regs *regs) \
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{ \
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irqentry_state_t state = irqentry_enter(regs); \
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\
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instrumentation_begin(); \
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__irq_enter_raw(); \
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kvm_set_cpu_l1tf_flush_l1d(); \
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__##func (regs); \
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__irq_exit_raw(); \
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instrumentation_end(); \
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irqentry_exit(regs, state); \
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} \
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\
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static __always_inline void __##func(struct pt_regs *regs)
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/**
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* DECLARE_IDTENTRY_XENCB - Declare functions for XEN HV callback entry point
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Declares three functions:
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* - The ASM entry point: asm_##func
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* - The XEN PV trap entry point: xen_##func (maybe unused)
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* - The C handler called from the ASM entry point
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*
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* Maps to DECLARE_IDTENTRY(). Distinct entry point to handle the 32/64-bit
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* difference
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*/
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#define DECLARE_IDTENTRY_XENCB(vector, func) \
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DECLARE_IDTENTRY(vector, func)
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#ifdef CONFIG_X86_64
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/**
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* DECLARE_IDTENTRY_IST - Declare functions for IST handling IDT entry points
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Maps to DECLARE_IDTENTRY_RAW, but declares also the NOIST C handler
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* which is called from the ASM entry point on user mode entry
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*/
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#define DECLARE_IDTENTRY_IST(vector, func) \
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DECLARE_IDTENTRY_RAW(vector, func); \
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__visible void noist_##func(struct pt_regs *regs)
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/**
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* DECLARE_IDTENTRY_VC - Declare functions for the VC entry point
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Maps to DECLARE_IDTENTRY_RAW_ERRORCODE, but declares also the
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* safe_stack C handler.
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*/
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#define DECLARE_IDTENTRY_VC(vector, func) \
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DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func); \
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__visible noinstr void kernel_##func(struct pt_regs *regs, unsigned long error_code); \
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__visible noinstr void user_##func(struct pt_regs *regs, unsigned long error_code)
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/**
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* DEFINE_IDTENTRY_IST - Emit code for IST entry points
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* @func: Function name of the entry point
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*
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* Maps to DEFINE_IDTENTRY_RAW
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*/
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#define DEFINE_IDTENTRY_IST(func) \
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DEFINE_IDTENTRY_RAW(func)
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/**
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* DEFINE_IDTENTRY_NOIST - Emit code for NOIST entry points which
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* belong to a IST entry point (MCE, DB)
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* @func: Function name of the entry point. Must be the same as
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* the function name of the corresponding IST variant
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*
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* Maps to DEFINE_IDTENTRY_RAW().
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*/
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#define DEFINE_IDTENTRY_NOIST(func) \
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DEFINE_IDTENTRY_RAW(noist_##func)
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/**
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* DECLARE_IDTENTRY_DF - Declare functions for double fault
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Maps to DECLARE_IDTENTRY_RAW_ERRORCODE
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*/
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#define DECLARE_IDTENTRY_DF(vector, func) \
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DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func)
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/**
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* DEFINE_IDTENTRY_DF - Emit code for double fault
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* @func: Function name of the entry point
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*
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* Maps to DEFINE_IDTENTRY_RAW_ERRORCODE
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*/
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#define DEFINE_IDTENTRY_DF(func) \
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DEFINE_IDTENTRY_RAW_ERRORCODE(func)
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/**
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* DEFINE_IDTENTRY_VC_KERNEL - Emit code for VMM communication handler
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when raised from kernel mode
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* @func: Function name of the entry point
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*
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* Maps to DEFINE_IDTENTRY_RAW_ERRORCODE
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*/
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#define DEFINE_IDTENTRY_VC_KERNEL(func) \
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DEFINE_IDTENTRY_RAW_ERRORCODE(kernel_##func)
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/**
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* DEFINE_IDTENTRY_VC_USER - Emit code for VMM communication handler
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when raised from user mode
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* @func: Function name of the entry point
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*
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* Maps to DEFINE_IDTENTRY_RAW_ERRORCODE
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*/
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#define DEFINE_IDTENTRY_VC_USER(func) \
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DEFINE_IDTENTRY_RAW_ERRORCODE(user_##func)
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#else /* CONFIG_X86_64 */
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/**
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* DECLARE_IDTENTRY_DF - Declare functions for double fault 32bit variant
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* @vector: Vector number (ignored for C)
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* @func: Function name of the entry point
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*
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* Declares two functions:
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* - The ASM entry point: asm_##func
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* - The C handler called from the C shim
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*/
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#define DECLARE_IDTENTRY_DF(vector, func) \
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asmlinkage void asm_##func(void); \
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__visible void func(struct pt_regs *regs, \
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unsigned long error_code, \
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unsigned long address)
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/**
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* DEFINE_IDTENTRY_DF - Emit code for double fault on 32bit
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* @func: Function name of the entry point
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*
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* This is called through the doublefault shim which already provides
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* cr2 in the address argument.
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*/
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#define DEFINE_IDTENTRY_DF(func) \
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__visible noinstr void func(struct pt_regs *regs, \
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unsigned long error_code, \
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unsigned long address)
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#endif /* !CONFIG_X86_64 */
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/* C-Code mapping */
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#define DECLARE_IDTENTRY_NMI DECLARE_IDTENTRY_RAW
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#define DEFINE_IDTENTRY_NMI DEFINE_IDTENTRY_RAW
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#ifdef CONFIG_X86_64
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#define DECLARE_IDTENTRY_MCE DECLARE_IDTENTRY_IST
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#define DEFINE_IDTENTRY_MCE DEFINE_IDTENTRY_IST
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#define DEFINE_IDTENTRY_MCE_USER DEFINE_IDTENTRY_NOIST
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#define DECLARE_IDTENTRY_DEBUG DECLARE_IDTENTRY_IST
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#define DEFINE_IDTENTRY_DEBUG DEFINE_IDTENTRY_IST
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#define DEFINE_IDTENTRY_DEBUG_USER DEFINE_IDTENTRY_NOIST
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#endif
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|
|
|
#else /* !__ASSEMBLY__ */
|
|
|
|
/*
|
|
* The ASM variants for DECLARE_IDTENTRY*() which emit the ASM entry stubs.
|
|
*/
|
|
#define DECLARE_IDTENTRY(vector, func) \
|
|
idtentry vector asm_##func func has_error_code=0
|
|
|
|
#define DECLARE_IDTENTRY_ERRORCODE(vector, func) \
|
|
idtentry vector asm_##func func has_error_code=1
|
|
|
|
/* Special case for 32bit IRET 'trap'. Do not emit ASM code */
|
|
#define DECLARE_IDTENTRY_SW(vector, func)
|
|
|
|
#define DECLARE_IDTENTRY_RAW(vector, func) \
|
|
DECLARE_IDTENTRY(vector, func)
|
|
|
|
#define DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func) \
|
|
DECLARE_IDTENTRY_ERRORCODE(vector, func)
|
|
|
|
/* Entries for common/spurious (device) interrupts */
|
|
#define DECLARE_IDTENTRY_IRQ(vector, func) \
|
|
idtentry_irq vector func
|
|
|
|
/* System vector entries */
|
|
#define DECLARE_IDTENTRY_SYSVEC(vector, func) \
|
|
idtentry_sysvec vector func
|
|
|
|
#ifdef CONFIG_X86_64
|
|
# define DECLARE_IDTENTRY_MCE(vector, func) \
|
|
idtentry_mce_db vector asm_##func func
|
|
|
|
# define DECLARE_IDTENTRY_DEBUG(vector, func) \
|
|
idtentry_mce_db vector asm_##func func
|
|
|
|
# define DECLARE_IDTENTRY_DF(vector, func) \
|
|
idtentry_df vector asm_##func func
|
|
|
|
# define DECLARE_IDTENTRY_XENCB(vector, func) \
|
|
DECLARE_IDTENTRY(vector, func)
|
|
|
|
# define DECLARE_IDTENTRY_VC(vector, func) \
|
|
idtentry_vc vector asm_##func func
|
|
|
|
#else
|
|
# define DECLARE_IDTENTRY_MCE(vector, func) \
|
|
DECLARE_IDTENTRY(vector, func)
|
|
|
|
/* No ASM emitted for DF as this goes through a C shim */
|
|
# define DECLARE_IDTENTRY_DF(vector, func)
|
|
|
|
/* No ASM emitted for XEN hypervisor callback */
|
|
# define DECLARE_IDTENTRY_XENCB(vector, func)
|
|
|
|
#endif
|
|
|
|
/* No ASM code emitted for NMI */
|
|
#define DECLARE_IDTENTRY_NMI(vector, func)
|
|
|
|
/*
|
|
* ASM code to emit the common vector entry stubs where each stub is
|
|
* packed into 8 bytes.
|
|
*
|
|
* Note, that the 'pushq imm8' is emitted via '.byte 0x6a, vector' because
|
|
* GCC treats the local vector variable as unsigned int and would expand
|
|
* all vectors above 0x7F to a 5 byte push. The original code did an
|
|
* adjustment of the vector number to be in the signed byte range to avoid
|
|
* this. While clever it's mindboggling counterintuitive and requires the
|
|
* odd conversion back to a real vector number in the C entry points. Using
|
|
* .byte achieves the same thing and the only fixup needed in the C entry
|
|
* point is to mask off the bits above bit 7 because the push is sign
|
|
* extending.
|
|
*/
|
|
.align 8
|
|
SYM_CODE_START(irq_entries_start)
|
|
vector=FIRST_EXTERNAL_VECTOR
|
|
.rept NR_EXTERNAL_VECTORS
|
|
UNWIND_HINT_IRET_REGS
|
|
0 :
|
|
.byte 0x6a, vector
|
|
jmp asm_common_interrupt
|
|
nop
|
|
/* Ensure that the above is 8 bytes max */
|
|
. = 0b + 8
|
|
vector = vector+1
|
|
.endr
|
|
SYM_CODE_END(irq_entries_start)
|
|
|
|
#ifdef CONFIG_X86_LOCAL_APIC
|
|
.align 8
|
|
SYM_CODE_START(spurious_entries_start)
|
|
vector=FIRST_SYSTEM_VECTOR
|
|
.rept NR_SYSTEM_VECTORS
|
|
UNWIND_HINT_IRET_REGS
|
|
0 :
|
|
.byte 0x6a, vector
|
|
jmp asm_spurious_interrupt
|
|
nop
|
|
/* Ensure that the above is 8 bytes max */
|
|
. = 0b + 8
|
|
vector = vector+1
|
|
.endr
|
|
SYM_CODE_END(spurious_entries_start)
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
/*
|
|
* The actual entry points. Note that DECLARE_IDTENTRY*() serves two
|
|
* purposes:
|
|
* - provide the function declarations when included from C-Code
|
|
* - emit the ASM stubs when included from entry_32/64.S
|
|
*
|
|
* This avoids duplicate defines and ensures that everything is consistent.
|
|
*/
|
|
|
|
/*
|
|
* Dummy trap number so the low level ASM macro vector number checks do not
|
|
* match which results in emitting plain IDTENTRY stubs without bells and
|
|
* whistles.
|
|
*/
|
|
#define X86_TRAP_OTHER 0xFFFF
|
|
|
|
/* Simple exception entry points. No hardware error code */
|
|
DECLARE_IDTENTRY(X86_TRAP_DE, exc_divide_error);
|
|
DECLARE_IDTENTRY(X86_TRAP_OF, exc_overflow);
|
|
DECLARE_IDTENTRY(X86_TRAP_BR, exc_bounds);
|
|
DECLARE_IDTENTRY(X86_TRAP_NM, exc_device_not_available);
|
|
DECLARE_IDTENTRY(X86_TRAP_OLD_MF, exc_coproc_segment_overrun);
|
|
DECLARE_IDTENTRY(X86_TRAP_SPURIOUS, exc_spurious_interrupt_bug);
|
|
DECLARE_IDTENTRY(X86_TRAP_MF, exc_coprocessor_error);
|
|
DECLARE_IDTENTRY(X86_TRAP_XF, exc_simd_coprocessor_error);
|
|
|
|
/* 32bit software IRET trap. Do not emit ASM code */
|
|
DECLARE_IDTENTRY_SW(X86_TRAP_IRET, iret_error);
|
|
|
|
/* Simple exception entries with error code pushed by hardware */
|
|
DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_TS, exc_invalid_tss);
|
|
DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_NP, exc_segment_not_present);
|
|
DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_SS, exc_stack_segment);
|
|
DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_GP, exc_general_protection);
|
|
DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_AC, exc_alignment_check);
|
|
|
|
/* Raw exception entries which need extra work */
|
|
DECLARE_IDTENTRY_RAW(X86_TRAP_UD, exc_invalid_op);
|
|
DECLARE_IDTENTRY_RAW(X86_TRAP_BP, exc_int3);
|
|
DECLARE_IDTENTRY_RAW_ERRORCODE(X86_TRAP_PF, exc_page_fault);
|
|
|
|
#ifdef CONFIG_X86_MCE
|
|
#ifdef CONFIG_X86_64
|
|
DECLARE_IDTENTRY_MCE(X86_TRAP_MC, exc_machine_check);
|
|
#else
|
|
DECLARE_IDTENTRY_RAW(X86_TRAP_MC, exc_machine_check);
|
|
#endif
|
|
#ifdef CONFIG_XEN_PV
|
|
DECLARE_IDTENTRY_RAW(X86_TRAP_MC, xenpv_exc_machine_check);
|
|
#endif
|
|
#endif
|
|
|
|
/* NMI */
|
|
|
|
#if defined(CONFIG_X86_64) && IS_ENABLED(CONFIG_KVM_INTEL)
|
|
/*
|
|
* Special NOIST entry point for VMX which invokes this on the kernel
|
|
* stack. asm_exc_nmi() requires an IST to work correctly vs. the NMI
|
|
* 'executing' marker.
|
|
*
|
|
* On 32bit this just uses the regular NMI entry point because 32-bit does
|
|
* not have ISTs.
|
|
*/
|
|
DECLARE_IDTENTRY(X86_TRAP_NMI, exc_nmi_noist);
|
|
#else
|
|
#define asm_exc_nmi_noist asm_exc_nmi
|
|
#endif
|
|
|
|
DECLARE_IDTENTRY_NMI(X86_TRAP_NMI, exc_nmi);
|
|
#ifdef CONFIG_XEN_PV
|
|
DECLARE_IDTENTRY_RAW(X86_TRAP_NMI, xenpv_exc_nmi);
|
|
#endif
|
|
|
|
/* #DB */
|
|
#ifdef CONFIG_X86_64
|
|
DECLARE_IDTENTRY_DEBUG(X86_TRAP_DB, exc_debug);
|
|
#else
|
|
DECLARE_IDTENTRY_RAW(X86_TRAP_DB, exc_debug);
|
|
#endif
|
|
#ifdef CONFIG_XEN_PV
|
|
DECLARE_IDTENTRY_RAW(X86_TRAP_DB, xenpv_exc_debug);
|
|
#endif
|
|
|
|
/* #DF */
|
|
DECLARE_IDTENTRY_DF(X86_TRAP_DF, exc_double_fault);
|
|
#ifdef CONFIG_XEN_PV
|
|
DECLARE_IDTENTRY_RAW_ERRORCODE(X86_TRAP_DF, xenpv_exc_double_fault);
|
|
#endif
|
|
|
|
/* #VC */
|
|
#ifdef CONFIG_AMD_MEM_ENCRYPT
|
|
DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication);
|
|
#endif
|
|
|
|
#ifdef CONFIG_XEN_PV
|
|
DECLARE_IDTENTRY_XENCB(X86_TRAP_OTHER, exc_xen_hypervisor_callback);
|
|
DECLARE_IDTENTRY_RAW(X86_TRAP_OTHER, exc_xen_unknown_trap);
|
|
#endif
|
|
|
|
/* Device interrupts common/spurious */
|
|
DECLARE_IDTENTRY_IRQ(X86_TRAP_OTHER, common_interrupt);
|
|
#ifdef CONFIG_X86_LOCAL_APIC
|
|
DECLARE_IDTENTRY_IRQ(X86_TRAP_OTHER, spurious_interrupt);
|
|
#endif
|
|
|
|
/* System vector entry points */
|
|
#ifdef CONFIG_X86_LOCAL_APIC
|
|
DECLARE_IDTENTRY_SYSVEC(ERROR_APIC_VECTOR, sysvec_error_interrupt);
|
|
DECLARE_IDTENTRY_SYSVEC(SPURIOUS_APIC_VECTOR, sysvec_spurious_apic_interrupt);
|
|
DECLARE_IDTENTRY_SYSVEC(LOCAL_TIMER_VECTOR, sysvec_apic_timer_interrupt);
|
|
DECLARE_IDTENTRY_SYSVEC(X86_PLATFORM_IPI_VECTOR, sysvec_x86_platform_ipi);
|
|
#endif
|
|
|
|
#ifdef CONFIG_SMP
|
|
DECLARE_IDTENTRY(RESCHEDULE_VECTOR, sysvec_reschedule_ipi);
|
|
DECLARE_IDTENTRY_SYSVEC(IRQ_MOVE_CLEANUP_VECTOR, sysvec_irq_move_cleanup);
|
|
DECLARE_IDTENTRY_SYSVEC(REBOOT_VECTOR, sysvec_reboot);
|
|
DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_SINGLE_VECTOR, sysvec_call_function_single);
|
|
DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_VECTOR, sysvec_call_function);
|
|
#endif
|
|
|
|
#ifdef CONFIG_X86_LOCAL_APIC
|
|
# ifdef CONFIG_X86_MCE_THRESHOLD
|
|
DECLARE_IDTENTRY_SYSVEC(THRESHOLD_APIC_VECTOR, sysvec_threshold);
|
|
# endif
|
|
|
|
# ifdef CONFIG_X86_MCE_AMD
|
|
DECLARE_IDTENTRY_SYSVEC(DEFERRED_ERROR_VECTOR, sysvec_deferred_error);
|
|
# endif
|
|
|
|
# ifdef CONFIG_X86_THERMAL_VECTOR
|
|
DECLARE_IDTENTRY_SYSVEC(THERMAL_APIC_VECTOR, sysvec_thermal);
|
|
# endif
|
|
|
|
# ifdef CONFIG_IRQ_WORK
|
|
DECLARE_IDTENTRY_SYSVEC(IRQ_WORK_VECTOR, sysvec_irq_work);
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef CONFIG_HAVE_KVM
|
|
DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_VECTOR, sysvec_kvm_posted_intr_ipi);
|
|
DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_WAKEUP_VECTOR, sysvec_kvm_posted_intr_wakeup_ipi);
|
|
DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_NESTED_VECTOR, sysvec_kvm_posted_intr_nested_ipi);
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_HYPERV)
|
|
DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_hyperv_callback);
|
|
DECLARE_IDTENTRY_SYSVEC(HYPERV_REENLIGHTENMENT_VECTOR, sysvec_hyperv_reenlightenment);
|
|
DECLARE_IDTENTRY_SYSVEC(HYPERV_STIMER0_VECTOR, sysvec_hyperv_stimer0);
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_ACRN_GUEST)
|
|
DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_acrn_hv_callback);
|
|
#endif
|
|
|
|
#ifdef CONFIG_XEN_PVHVM
|
|
DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_xen_hvm_callback);
|
|
#endif
|
|
|
|
#ifdef CONFIG_KVM_GUEST
|
|
DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_kvm_asyncpf_interrupt);
|
|
#endif
|
|
|
|
#undef X86_TRAP_OTHER
|
|
|
|
#endif
|