[patch V4 part 3 05/29] x86/traps: Split trap numbers out in a seperate header

Thomas Gleixner
2020-05-05T14:21:44Z

From: Thomas Gleixner <tglx@linutronix.de>

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>

---
arch/x86/include/asm/trapnr.h | 31 +++++++++++++++++++++++++++++++
arch/x86/include/asm/traps.h | 26 +-------------------------
2 files changed, 32 insertions(+), 25 deletions(-)

--- /dev/null
+++ b/arch/x86/include/asm/trapnr.h
@@ -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
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -7,6 +7,7 @@

#include <asm/debugreg.h>
#include <asm/siginfo.h> /* TRAP_TRACE, ... */
+#include <asm/trapnr.h>

#define dotraplinkage __visible

@@ -127,31 +128,6 @@ void __noreturn handle_stack_overflow(co
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:
*