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sparc: fix sparse warnings in traps_32.c

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o add decalrations to entry.h for functions only used from assembler
o add declaratiosn to kernel.h for functions only used from .c
o removed unused functions/extern declarations

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg 2008-12-08 01:04:59 -08:00 committed by David S. Miller
parent 85bfbf44c3
commit 8d74e32a53
4 changed files with 49 additions and 34 deletions
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35
arch/sparc/kernel/entry.h
View File

@ -5,6 +5,40 @@
#include <linux/types.h>
#include <linux/init.h>
#ifdef CONFIG_SPARC32
/* traps */
extern void do_hw_interrupt(struct pt_regs *regs, unsigned long type);
extern void do_illegal_instruction(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
extern void do_priv_instruction(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
extern void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc,
unsigned long npc,
unsigned long psr);
extern void do_fpd_trap(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
extern void do_fpe_trap(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
extern void handle_tag_overflow(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
extern void handle_watchpoint(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
extern void handle_reg_access(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
extern void handle_cp_disabled(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
extern void handle_cp_exception(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
/* entry.S */
extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
void *fpqueue, unsigned long *fpqdepth);
extern void fpload(unsigned long *fpregs, unsigned long *fsr);
#else /* CONFIG_SPARC32 */
extern void __init per_cpu_patch(void);
extern void __init sun4v_patch(void);
extern void __init boot_cpu_id_too_large(int cpu);
@ -189,4 +223,5 @@ extern void handler_irq(int irq, struct pt_regs *regs);
extern void init_irqwork_curcpu(void);
extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
#endif /* CONFIG_SPARC32 */
#endif /* _ENTRY_H */

9
arch/sparc/kernel/kernel.h
View File

@ -4,5 +4,14 @@ extern const char *sparc_fpu_type;
extern unsigned int fsr_storage;
#ifdef CONFIG_SPARC32
/* cpu.c */
extern void cpu_probe(void);
/* traps_32.c */
extern void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
/* muldiv.c */
extern int do_user_muldiv (struct pt_regs *, unsigned long);
#else /* CONFIG_SPARC32 */
#endif

5
arch/sparc/kernel/muldiv.c
View File

@ -17,6 +17,8 @@
#include <asm/system.h>
#include <asm/uaccess.h>
#include "kernel.h"
/* #define DEBUG_MULDIV */
static inline int has_imm13(int insn)
@ -88,9 +90,6 @@ store_reg(unsigned int result, unsigned int reg, struct pt_regs *regs)
return (put_user(result, &win->locals[reg - 16]));
}
}
extern void handle_hw_divzero (struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
/* Should return 0 if mul/div emulation succeeded and SIGILL should
* not be issued.

34
arch/sparc/kernel/traps_32.c
View File

@ -25,32 +25,11 @@
#include <asm/unistd.h>
#include <asm/traps.h>
#include "entry.h"
#include "kernel.h"
/* #define TRAP_DEBUG */
struct trap_trace_entry {
unsigned long pc;
unsigned long type;
};
void syscall_trace_entry(struct pt_regs *regs)
{
printk("%s[%d]: ", current->comm, task_pid_nr(current));
printk("scall<%d> (could be %d)\n", (int) regs->u_regs[UREG_G1],
(int) regs->u_regs[UREG_I0]);
}
void syscall_trace_exit(struct pt_regs *regs)
{
}
void sun4d_nmi(struct pt_regs *regs)
{
printk("Aieee: sun4d NMI received!\n");
printk("you lose buddy boy...\n");
show_regs(regs);
prom_halt();
}
static void instruction_dump(unsigned long *pc)
{
int i;
@ -134,7 +113,6 @@ void do_hw_interrupt(struct pt_regs *regs, unsigned long type)
void do_illegal_instruction(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
extern int do_user_muldiv (struct pt_regs *, unsigned long);
siginfo_t info;
if(psr & PSR_PS)
@ -195,10 +173,6 @@ void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc, unsigned lon
send_sig_info(SIGBUS, &info, current);
}
extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
void *fpqueue, unsigned long *fpqdepth);
extern void fpload(unsigned long *fpregs, unsigned long *fsr);
static unsigned long init_fsr = 0x0UL;
static unsigned long init_fregs[32] __attribute__ ((aligned (8))) =
{ ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL,
@ -456,8 +430,6 @@ void do_BUG(const char *file, int line)
* up here so that timer interrupts work during initialization.
*/
extern void sparc_cpu_startup(void);
void trap_init(void)
{
extern void thread_info_offsets_are_bolixed_pete(void);