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x86/traps: Split trap numbers out in a separate header 

So they can be used in ASM code. For this it is also necessary to convert
them to defines. Will be used for the rework of the entry code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200505134903.731004084@linutronix.de
This commit is contained in:
Thomas Gleixner 2020-02-25 23:16:07 +01:00
parent ca4c6a9858
commit 877f183f83
2 changed files with 32 additions and 25 deletions
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31
arch/x86/include/asm/trapnr.h Normal file
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@ -0,0 +1,31 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_TRAPNR_H
#define _ASM_X86_TRAPNR_H
/* Interrupts/Exceptions */
#define X86_TRAP_DE 0 /* Divide-by-zero */
#define X86_TRAP_DB 1 /* Debug */
#define X86_TRAP_NMI 2 /* Non-maskable Interrupt */
#define X86_TRAP_BP 3 /* Breakpoint */
#define X86_TRAP_OF 4 /* Overflow */
#define X86_TRAP_BR 5 /* Bound Range Exceeded */
#define X86_TRAP_UD 6 /* Invalid Opcode */
#define X86_TRAP_NM 7 /* Device Not Available */
#define X86_TRAP_DF 8 /* Double Fault */
#define X86_TRAP_OLD_MF 9 /* Coprocessor Segment Overrun */
#define X86_TRAP_TS 10 /* Invalid TSS */
#define X86_TRAP_NP 11 /* Segment Not Present */
#define X86_TRAP_SS 12 /* Stack Segment Fault */
#define X86_TRAP_GP 13 /* General Protection Fault */
#define X86_TRAP_PF 14 /* Page Fault */
#define X86_TRAP_SPURIOUS 15 /* Spurious Interrupt */
#define X86_TRAP_MF 16 /* x87 Floating-Point Exception */
#define X86_TRAP_AC 17 /* Alignment Check */
#define X86_TRAP_MC 18 /* Machine Check */
#define X86_TRAP_XF 19 /* SIMD Floating-Point Exception */
#define X86_TRAP_VE 20 /* Virtualization Exception */
#define X86_TRAP_CP 21 /* Control Protection Exception */
#define X86_TRAP_IRET 32 /* IRET Exception */
#endif

26
arch/x86/include/asm/traps.h
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@ -7,6 +7,7 @@
#include <asm/debugreg.h>
#include <asm/siginfo.h> /* TRAP_TRACE, ... */
#include <asm/trapnr.h>
#define dotraplinkage __visible
@ -122,31 +123,6 @@ void __noreturn handle_stack_overflow(const char *message,
unsigned long fault_address);
#endif
/* Interrupts/Exceptions */
enum {
X86_TRAP_DE = 0, /* 0, Divide-by-zero */
X86_TRAP_DB, /* 1, Debug */
X86_TRAP_NMI, /* 2, Non-maskable Interrupt */
X86_TRAP_BP, /* 3, Breakpoint */
X86_TRAP_OF, /* 4, Overflow */
X86_TRAP_BR, /* 5, Bound Range Exceeded */
X86_TRAP_UD, /* 6, Invalid Opcode */
X86_TRAP_NM, /* 7, Device Not Available */
X86_TRAP_DF, /* 8, Double Fault */
X86_TRAP_OLD_MF, /* 9, Coprocessor Segment Overrun */
X86_TRAP_TS, /* 10, Invalid TSS */
X86_TRAP_NP, /* 11, Segment Not Present */
X86_TRAP_SS, /* 12, Stack Segment Fault */
X86_TRAP_GP, /* 13, General Protection Fault */
X86_TRAP_PF, /* 14, Page Fault */
X86_TRAP_SPURIOUS, /* 15, Spurious Interrupt */
X86_TRAP_MF, /* 16, x87 Floating-Point Exception */
X86_TRAP_AC, /* 17, Alignment Check */
X86_TRAP_MC, /* 18, Machine Check */
X86_TRAP_XF, /* 19, SIMD Floating-Point Exception */
X86_TRAP_IRET = 32, /* 32, IRET Exception */
};
/*
* Page fault error code bits:
*