[SPARC64]: %l6 trap return handling no longer necessary.

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / sparc64 / kernel / traps.c

diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index e9c7e4f07abfd99d9f9e361ce461a7417b341aa7..96da847023f3c956cecdec5a04fda1fe518be05d 100644 (file)
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1,7 +1,6 @@
-/* $Id: traps.c,v 1.85 2002/02/09 19:49:31 davem Exp $
- * arch/sparc64/kernel/traps.c
+/* arch/sparc64/kernel/traps.c
  *
- * Copyright (C) 1995,1997 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1995,1997 David S. Miller (davem@davemloft.net)
  * Copyright (C) 1997,1999,2000 Jakub Jelinek (jakub@redhat.com)
  */
 
@@ -43,6 +42,7 @@
 #endif
 #include <asm/prom.h>
 
+#include "entry.h"
 
 /* When an irrecoverable trap occurs at tl > 0, the trap entry
  * code logs the trap state registers at every level in the trap
@@ -78,11 +78,6 @@ static void dump_tl1_traplog(struct tl1_traplog *p)
        }
 }
 
-void do_call_debug(struct pt_regs *regs) 
-{ 
-       notify_die(DIE_CALL, "debug call", regs, 0, 255, SIGINT); 
-}
-
 void bad_trap(struct pt_regs *regs, long lvl)
 {
        char buffer[32];
@@ -551,41 +546,6 @@ static unsigned long ecache_flush_physbase;
 static unsigned long ecache_flush_linesize;
 static unsigned long ecache_flush_size;
 
-/* WARNING: The error trap handlers in assembly know the precise
- *         layout of the following structure.
- *
- * C-level handlers below use this information to log the error
- * and then determine how to recover (if possible).
- */
-struct cheetah_err_info {
-/*0x00*/u64 afsr;
-/*0x08*/u64 afar;
-
-       /* D-cache state */
-/*0x10*/u64 dcache_data[4];    /* The actual data      */
-/*0x30*/u64 dcache_index;      /* D-cache index        */
-/*0x38*/u64 dcache_tag;                /* D-cache tag/valid    */
-/*0x40*/u64 dcache_utag;       /* D-cache microtag     */
-/*0x48*/u64 dcache_stag;       /* D-cache snooptag     */
-
-       /* I-cache state */
-/*0x50*/u64 icache_data[8];    /* The actual insns + predecode */
-/*0x90*/u64 icache_index;      /* I-cache index        */
-/*0x98*/u64 icache_tag;                /* I-cache phys tag     */
-/*0xa0*/u64 icache_utag;       /* I-cache microtag     */
-/*0xa8*/u64 icache_stag;       /* I-cache snooptag     */
-/*0xb0*/u64 icache_upper;      /* I-cache upper-tag    */
-/*0xb8*/u64 icache_lower;      /* I-cache lower-tag    */
-
-       /* E-cache state */
-/*0xc0*/u64 ecache_data[4];    /* 32 bytes from staging registers */
-/*0xe0*/u64 ecache_index;      /* E-cache index        */
-/*0xe8*/u64 ecache_tag;                /* E-cache tag/state    */
-
-/*0xf0*/u64 __pad[32 - 30];
-};
-#define CHAFSR_INVALID         ((u64)-1L)
-
 /* This table is ordered in priority of errors and matches the
  * AFAR overwrite policy as well.
  */
@@ -759,13 +719,9 @@ static struct afsr_error_table __jalapeno_error_table[] = {
 static struct afsr_error_table *cheetah_error_table;
 static unsigned long cheetah_afsr_errors;
 
-/* This is allocated at boot time based upon the largest hardware
- * cpu ID in the system.  We allocate two entries per cpu, one for
- * TL==0 logging and one for TL >= 1 logging.
- */
 struct cheetah_err_info *cheetah_error_log;
 
-static __inline__ struct cheetah_err_info *cheetah_get_error_log(unsigned long afsr)
+static inline struct cheetah_err_info *cheetah_get_error_log(unsigned long afsr)
 {
        struct cheetah_err_info *p;
        int cpu = smp_processor_id();
@@ -1085,7 +1041,7 @@ static unsigned char cheetah_mtag_syntab[] = {
 };
 
 /* Return the highest priority error conditon mentioned. */
-static __inline__ unsigned long cheetah_get_hipri(unsigned long afsr)
+static inline unsigned long cheetah_get_hipri(unsigned long afsr)
 {
        unsigned long tmp = 0;
        int i;
@@ -1792,8 +1748,6 @@ static const char *sun4v_err_type_to_str(u32 type)
        };
 }
 
-extern void __show_regs(struct pt_regs * regs);
-
 static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt)
 {
        int cnt;
@@ -1951,6 +1905,8 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl)
        printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n",
               regs->tpc, tl);
        print_symbol(KERN_EMERG "SUN4V-ITLB: TPC<%s>\n", regs->tpc);
+       printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
+       print_symbol(KERN_EMERG "SUN4V-ITLB: O7<%s>\n", regs->u_regs[UREG_I7]);
        printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] "
               "pte[%lx] error[%lx]\n",
               sun4v_err_itlb_vaddr, sun4v_err_itlb_ctx,
@@ -1972,6 +1928,8 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl)
        printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n",
               regs->tpc, tl);
        print_symbol(KERN_EMERG "SUN4V-DTLB: TPC<%s>\n", regs->tpc);
+       printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
+       print_symbol(KERN_EMERG "SUN4V-DTLB: O7<%s>\n", regs->u_regs[UREG_I7]);
        printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] "
               "pte[%lx] error[%lx]\n",
               sun4v_err_dtlb_vaddr, sun4v_err_dtlb_ctx,
@@ -2101,7 +2059,7 @@ void do_div0(struct pt_regs *regs)
        force_sig_info(SIGFPE, &info, current);
 }
 
-void instruction_dump (unsigned int *pc)
+static void instruction_dump(unsigned int *pc)
 {
        int i;
 
@@ -2114,7 +2072,7 @@ void instruction_dump (unsigned int *pc)
        printk("\n");
 }
 
-static void user_instruction_dump (unsigned int __user *pc)
+static void user_instruction_dump(unsigned int __user *pc)
 {
        int i;
        unsigned int buf[9];