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author | Sam Ravnborg <sam@ravnborg.org> | 2008-12-08 09:04:59 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-12-08 09:04:59 (GMT) |
commit | 8d74e32a537e8dbb22a1d5e9005d11111dab979a (patch) | |
tree | 0a5919ff70abb19060e707754f85a0875b3adb04 | |
parent | 85bfbf44c37e403d4fcbcd630b3ca2377b156485 (diff) | |
download | linux-fsl-qoriq-8d74e32a537e8dbb22a1d5e9005d11111dab979a.tar.xz |
sparc: fix sparse warnings in traps_32.c
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>
-rw-r--r-- | arch/sparc/kernel/entry.h | 35 | ||||
-rw-r--r-- | arch/sparc/kernel/kernel.h | 9 | ||||
-rw-r--r-- | arch/sparc/kernel/muldiv.c | 5 | ||||
-rw-r--r-- | arch/sparc/kernel/traps_32.c | 34 |
4 files changed, 49 insertions, 34 deletions
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h index a9ab19a..06db4f1 100644 --- a/arch/sparc/kernel/entry.h +++ b/arch/sparc/kernel/entry.h @@ -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 */ diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h index 7f02aad..3fa8338 100644 --- a/arch/sparc/kernel/kernel.h +++ b/arch/sparc/kernel/kernel.h @@ -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 diff --git a/arch/sparc/kernel/muldiv.c b/arch/sparc/kernel/muldiv.c index e352239..ba960c0 100644 --- a/arch/sparc/kernel/muldiv.c +++ b/arch/sparc/kernel/muldiv.c @@ -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. diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c index 2b7d506..716f394 100644 --- a/arch/sparc/kernel/traps_32.c +++ b/arch/sparc/kernel/traps_32.c @@ -25,31 +25,10 @@ #include <asm/unistd.h> #include <asm/traps.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) -{ -} +#include "entry.h" +#include "kernel.h" -void sun4d_nmi(struct pt_regs *regs) -{ - printk("Aieee: sun4d NMI received!\n"); - printk("you lose buddy boy...\n"); - show_regs(regs); - prom_halt(); -} +/* #define TRAP_DEBUG */ static void instruction_dump(unsigned long *pc) { @@ -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); |