#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
}
}
-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];
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.
*/
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)
force_sig_info(SIGFPE, &info, current);
}
-void instruction_dump (unsigned int *pc)
+static void instruction_dump(unsigned int *pc)
{
int i;
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];
void show_stack(struct task_struct *tsk, unsigned long *_ksp)
{
- unsigned long pc, fp, thread_base, ksp;
+ unsigned long fp, thread_base, ksp;
struct thread_info *tp;
- struct reg_window *rw;
int count = 0;
ksp = (unsigned long) _ksp;
printk("\n");
#endif
do {
+ struct sparc_stackf *sf;
+ struct pt_regs *regs;
+ unsigned long pc;
+
/* Bogus frame pointer? */
if (fp < (thread_base + sizeof(struct thread_info)) ||
fp >= (thread_base + THREAD_SIZE))
break;
- rw = (struct reg_window *)fp;
- pc = rw->ins[7];
+ sf = (struct sparc_stackf *) fp;
+ regs = (struct pt_regs *) (sf + 1);
+
+ if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC) {
+ if (!(regs->tstate & TSTATE_PRIV))
+ break;
+ pc = regs->tpc;
+ fp = regs->u_regs[UREG_I6] + STACK_BIAS;
+ } else {
+ pc = sf->callers_pc;
+ fp = (unsigned long)sf->fp + STACK_BIAS;
+ }
+
printk(" [%016lx] ", pc);
print_symbol("%s\n", pc);
- fp = rw->ins[6] + STACK_BIAS;
} while (++count < 16);
#ifndef CONFIG_KALLSYMS
printk("\n");