Commit 42f5b4ca authored by Daniel Axtens's avatar Daniel Axtens Committed by Michael Ellerman

powerpc: Introduce asm-prototypes.h

Sparse picked up a number of functions that are implemented in C and
then only referred to in asm code.

This introduces asm-prototypes.h, which provides a place for
prototypes of these functions.

This silences some sparse warnings.
Signed-off-by: default avatarDaniel Axtens <dja@axtens.net>
[mpe: Add include guards, clean up copyright & GPL text]
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 34852ed5
#ifndef _ASM_POWERPC_ASM_PROTOTYPES_H
#define _ASM_POWERPC_ASM_PROTOTYPES_H
/*
* This file is for prototypes of C functions that are only called
* from asm, and any associated variables.
*
* Copyright 2016, Daniel Axtens, IBM Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*/
#include <linux/threads.h>
#include <linux/kprobes.h>
/* SMP */
extern struct thread_info *current_set[NR_CPUS];
extern struct thread_info *secondary_ti;
void start_secondary(void *unused);
/* kexec */
struct paca_struct;
struct kimage;
extern struct paca_struct kexec_paca;
void kexec_copy_flush(struct kimage *image);
/* pseries hcall tracing */
extern struct static_key hcall_tracepoint_key;
void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
void __trace_hcall_exit(long opcode, unsigned long retval,
unsigned long *retbuf);
/* OPAL tracing */
#ifdef HAVE_JUMP_LABEL
extern struct static_key opal_tracepoint_key;
#endif
void __trace_opal_entry(unsigned long opcode, unsigned long *args);
void __trace_opal_exit(long opcode, unsigned long retval);
/* VMX copying */
int enter_vmx_usercopy(void);
int exit_vmx_usercopy(void);
int enter_vmx_copy(void);
void * exit_vmx_copy(void *dest);
/* Traps */
long machine_check_early(struct pt_regs *regs);
long hmi_exception_realmode(struct pt_regs *regs);
void SMIException(struct pt_regs *regs);
void handle_hmi_exception(struct pt_regs *regs);
void instruction_breakpoint_exception(struct pt_regs *regs);
void RunModeException(struct pt_regs *regs);
void __kprobes single_step_exception(struct pt_regs *regs);
void __kprobes program_check_exception(struct pt_regs *regs);
void alignment_exception(struct pt_regs *regs);
void StackOverflow(struct pt_regs *regs);
void nonrecoverable_exception(struct pt_regs *regs);
void kernel_fp_unavailable_exception(struct pt_regs *regs);
void altivec_unavailable_exception(struct pt_regs *regs);
void vsx_unavailable_exception(struct pt_regs *regs);
void fp_unavailable_tm(struct pt_regs *regs);
void altivec_unavailable_tm(struct pt_regs *regs);
void vsx_unavailable_tm(struct pt_regs *regs);
void facility_unavailable_exception(struct pt_regs *regs);
void TAUException(struct pt_regs *regs);
void altivec_assist_exception(struct pt_regs *regs);
void unrecoverable_exception(struct pt_regs *regs);
void kernel_bad_stack(struct pt_regs *regs);
void system_reset_exception(struct pt_regs *regs);
void machine_check_exception(struct pt_regs *regs);
void __kprobes emulation_assist_interrupt(struct pt_regs *regs);
#endif /* _ASM_POWERPC_ASM_PROTOTYPES_H */
...@@ -29,6 +29,7 @@ ...@@ -29,6 +29,7 @@
#include <asm/prom.h> #include <asm/prom.h>
#include <asm/smp.h> #include <asm/smp.h>
#include <asm/hw_breakpoint.h> #include <asm/hw_breakpoint.h>
#include <asm/asm-prototypes.h>
#ifdef CONFIG_PPC_BOOK3E #ifdef CONFIG_PPC_BOOK3E
int default_machine_kexec_prepare(struct kimage *image) int default_machine_kexec_prepare(struct kimage *image)
......
...@@ -53,6 +53,7 @@ ...@@ -53,6 +53,7 @@
#include <asm/vdso.h> #include <asm/vdso.h>
#include <asm/debug.h> #include <asm/debug.h>
#include <asm/kexec.h> #include <asm/kexec.h>
#include <asm/asm-prototypes.h>
#ifdef DEBUG #ifdef DEBUG
#include <asm/udbg.h> #include <asm/udbg.h>
......
...@@ -60,6 +60,7 @@ ...@@ -60,6 +60,7 @@
#include <asm/switch_to.h> #include <asm/switch_to.h>
#include <asm/tm.h> #include <asm/tm.h>
#include <asm/debug.h> #include <asm/debug.h>
#include <asm/asm-prototypes.h>
#include <sysdev/fsl_pci.h> #include <sysdev/fsl_pci.h>
#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
......
...@@ -21,6 +21,7 @@ ...@@ -21,6 +21,7 @@
#include <linux/uaccess.h> #include <linux/uaccess.h>
#include <linux/hardirq.h> #include <linux/hardirq.h>
#include <asm/switch_to.h> #include <asm/switch_to.h>
#include <asm/asm-prototypes.h>
int enter_vmx_usercopy(void) int enter_vmx_usercopy(void)
{ {
......
#include <linux/percpu.h> #include <linux/percpu.h>
#include <linux/jump_label.h> #include <linux/jump_label.h>
#include <asm/trace.h> #include <asm/trace.h>
#include <asm/asm-prototypes.h>
#ifdef HAVE_JUMP_LABEL #ifdef HAVE_JUMP_LABEL
struct static_key opal_tracepoint_key = STATIC_KEY_INIT; struct static_key opal_tracepoint_key = STATIC_KEY_INIT;
......
...@@ -45,6 +45,7 @@ ...@@ -45,6 +45,7 @@
#include <asm/plpar_wrappers.h> #include <asm/plpar_wrappers.h>
#include <asm/kexec.h> #include <asm/kexec.h>
#include <asm/fadump.h> #include <asm/fadump.h>
#include <asm/asm-prototypes.h>
#include "pseries.h" #include "pseries.h"
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment