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Diffstat (limited to 'arch/blackfin/kernel/trace.c')
-rw-r--r--arch/blackfin/kernel/trace.c221
1 files changed, 99 insertions, 122 deletions
diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c
index 3a268c3ed47..6e37a8765bc 100644
--- a/arch/blackfin/kernel/trace.c
+++ b/arch/blackfin/kernel/trace.c
@@ -20,18 +20,8 @@
#include <asm/fixed_code.h>
#include <asm/traps.h>
-#ifdef CONFIG_DEBUG_VERBOSE
-#define verbose_printk(fmt, arg...) \
- printk(fmt, ##arg)
-#else
-#define verbose_printk(fmt, arg...) \
- ({ if (0) printk(fmt, ##arg); 0; })
-#endif
-
-
void decode_address(char *buf, unsigned long address)
{
-#ifdef CONFIG_DEBUG_VERBOSE
struct task_struct *p;
struct mm_struct *mm;
unsigned long flags, offset;
@@ -174,9 +164,6 @@ void decode_address(char *buf, unsigned long address)
done:
write_unlock_irqrestore(&tasklist_lock, flags);
-#else
- sprintf(buf, " ");
-#endif
}
#define EXPAND_LEN ((1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 256 - 1)
@@ -219,52 +206,52 @@ bool get_instruction(unsigned short *val, unsigned short *address)
* These are the normal instructions which cause change of flow, which
* would be at the source of the trace buffer
*/
-#if defined(CONFIG_DEBUG_VERBOSE) && defined(CONFIG_DEBUG_BFIN_HWTRACE_ON)
+#if defined(CONFIG_DEBUG_BFIN_HWTRACE_ON)
static void decode_instruction(unsigned short *address)
{
unsigned short opcode;
if (get_instruction(&opcode, address)) {
if (opcode == 0x0010)
- verbose_printk("RTS");
+ pr_cont("RTS");
else if (opcode == 0x0011)
- verbose_printk("RTI");
+ pr_cont("RTI");
else if (opcode == 0x0012)
- verbose_printk("RTX");
+ pr_cont("RTX");
else if (opcode == 0x0013)
- verbose_printk("RTN");
+ pr_cont("RTN");
else if (opcode == 0x0014)
- verbose_printk("RTE");
+ pr_cont("RTE");
else if (opcode == 0x0025)
- verbose_printk("EMUEXCPT");
+ pr_cont("EMUEXCPT");
else if (opcode >= 0x0040 && opcode <= 0x0047)
- verbose_printk("STI R%i", opcode & 7);
+ pr_cont("STI R%i", opcode & 7);
else if (opcode >= 0x0050 && opcode <= 0x0057)
- verbose_printk("JUMP (P%i)", opcode & 7);
+ pr_cont("JUMP (P%i)", opcode & 7);
else if (opcode >= 0x0060 && opcode <= 0x0067)
- verbose_printk("CALL (P%i)", opcode & 7);
+ pr_cont("CALL (P%i)", opcode & 7);
else if (opcode >= 0x0070 && opcode <= 0x0077)
- verbose_printk("CALL (PC+P%i)", opcode & 7);
+ pr_cont("CALL (PC+P%i)", opcode & 7);
else if (opcode >= 0x0080 && opcode <= 0x0087)
- verbose_printk("JUMP (PC+P%i)", opcode & 7);
+ pr_cont("JUMP (PC+P%i)", opcode & 7);
else if (opcode >= 0x0090 && opcode <= 0x009F)
- verbose_printk("RAISE 0x%x", opcode & 0xF);
+ pr_cont("RAISE 0x%x", opcode & 0xF);
else if (opcode >= 0x00A0 && opcode <= 0x00AF)
- verbose_printk("EXCPT 0x%x", opcode & 0xF);
+ pr_cont("EXCPT 0x%x", opcode & 0xF);
else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF))
- verbose_printk("IF !CC JUMP");
+ pr_cont("IF !CC JUMP");
else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff))
- verbose_printk("IF CC JUMP");
+ pr_cont("IF CC JUMP");
else if (opcode >= 0x2000 && opcode <= 0x2fff)
- verbose_printk("JUMP.S");
+ pr_cont("JUMP.S");
else if (opcode >= 0xe080 && opcode <= 0xe0ff)
- verbose_printk("LSETUP");
+ pr_cont("LSETUP");
else if (opcode >= 0xe200 && opcode <= 0xe2ff)
- verbose_printk("JUMP.L");
+ pr_cont("JUMP.L");
else if (opcode >= 0xe300 && opcode <= 0xe3ff)
- verbose_printk("CALL pcrel");
+ pr_cont("CALL pcrel");
else
- verbose_printk("0x%04x", opcode);
+ pr_cont("0x%04x", opcode);
}
}
@@ -272,7 +259,6 @@ static void decode_instruction(unsigned short *address)
void dump_bfin_trace_buffer(void)
{
-#ifdef CONFIG_DEBUG_VERBOSE
#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
int tflags, i = 0;
char buf[150];
@@ -283,21 +269,21 @@ void dump_bfin_trace_buffer(void)
trace_buffer_save(tflags);
- printk(KERN_NOTICE "Hardware Trace:\n");
+ pr_notice("Hardware Trace:\n");
#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
- printk(KERN_NOTICE "WARNING: Expanded trace turned on - can not trace exceptions\n");
+ pr_notice("WARNING: Expanded trace turned on - can not trace exceptions\n");
#endif
if (likely(bfin_read_TBUFSTAT() & TBUFCNT)) {
for (; bfin_read_TBUFSTAT() & TBUFCNT; i++) {
decode_address(buf, (unsigned long)bfin_read_TBUF());
- printk(KERN_NOTICE "%4i Target : %s\n", i, buf);
+ pr_notice("%4i Target : %s\n", i, buf);
addr = (unsigned short *)bfin_read_TBUF();
decode_address(buf, (unsigned long)addr);
- printk(KERN_NOTICE " Source : %s ", buf);
+ pr_notice(" Source : %s ", buf);
decode_instruction(addr);
- printk("\n");
+ pr_cont("\n");
}
}
@@ -310,14 +296,14 @@ void dump_bfin_trace_buffer(void)
j = (1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 128;
while (j) {
decode_address(buf, software_trace_buff[index]);
- printk(KERN_NOTICE "%4i Target : %s\n", i, buf);
+ pr_notice("%4i Target : %s\n", i, buf);
index -= 1;
if (index < 0)
index = EXPAND_LEN;
decode_address(buf, software_trace_buff[index]);
- printk(KERN_NOTICE " Source : %s ", buf);
+ pr_notice(" Source : %s ", buf);
decode_instruction((unsigned short *)software_trace_buff[index]);
- printk("\n");
+ pr_cont("\n");
index -= 1;
if (index < 0)
index = EXPAND_LEN;
@@ -328,78 +314,73 @@ void dump_bfin_trace_buffer(void)
trace_buffer_restore(tflags);
#endif
-#endif
}
EXPORT_SYMBOL(dump_bfin_trace_buffer);
void dump_bfin_process(struct pt_regs *fp)
{
-#ifdef CONFIG_DEBUG_VERBOSE
/* We should be able to look at fp->ipend, but we don't push it on the
* stack all the time, so do this until we fix that */
unsigned int context = bfin_read_IPEND();
if (oops_in_progress)
- verbose_printk(KERN_EMERG "Kernel OOPS in progress\n");
+ pr_emerg("Kernel OOPS in progress\n");
if (context & 0x0020 && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR)
- verbose_printk(KERN_NOTICE "HW Error context\n");
+ pr_notice("HW Error context\n");
else if (context & 0x0020)
- verbose_printk(KERN_NOTICE "Deferred Exception context\n");
+ pr_notice("Deferred Exception context\n");
else if (context & 0x3FC0)
- verbose_printk(KERN_NOTICE "Interrupt context\n");
+ pr_notice("Interrupt context\n");
else if (context & 0x4000)
- verbose_printk(KERN_NOTICE "Deferred Interrupt context\n");
+ pr_notice("Deferred Interrupt context\n");
else if (context & 0x8000)
- verbose_printk(KERN_NOTICE "Kernel process context\n");
+ pr_notice("Kernel process context\n");
/* Because we are crashing, and pointers could be bad, we check things
* pretty closely before we use them
*/
if ((unsigned long)current >= FIXED_CODE_START &&
!((unsigned long)current & 0x3) && current->pid) {
- verbose_printk(KERN_NOTICE "CURRENT PROCESS:\n");
+ pr_notice("CURRENT PROCESS:\n");
if (current->comm >= (char *)FIXED_CODE_START)
- verbose_printk(KERN_NOTICE "COMM=%s PID=%d",
+ pr_notice("COMM=%s PID=%d",
current->comm, current->pid);
else
- verbose_printk(KERN_NOTICE "COMM= invalid");
+ pr_notice("COMM= invalid");
- printk(KERN_CONT " CPU=%d\n", current_thread_info()->cpu);
- if (!((unsigned long)current->mm & 0x3) && (unsigned long)current->mm >= FIXED_CODE_START)
- verbose_printk(KERN_NOTICE
- "TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n"
- " BSS = 0x%p-0x%p USER-STACK = 0x%p\n\n",
+ pr_cont(" CPU=%d\n", current_thread_info()->cpu);
+ if (!((unsigned long)current->mm & 0x3) &&
+ (unsigned long)current->mm >= FIXED_CODE_START) {
+ pr_notice("TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n",
(void *)current->mm->start_code,
(void *)current->mm->end_code,
(void *)current->mm->start_data,
- (void *)current->mm->end_data,
+ (void *)current->mm->end_data);
+ pr_notice(" BSS = 0x%p-0x%p USER-STACK = 0x%p\n\n",
(void *)current->mm->end_data,
(void *)current->mm->brk,
(void *)current->mm->start_stack);
- else
- verbose_printk(KERN_NOTICE "invalid mm\n");
+ } else
+ pr_notice("invalid mm\n");
} else
- verbose_printk(KERN_NOTICE
- "No Valid process in current context\n");
-#endif
+ pr_notice("No Valid process in current context\n");
}
void dump_bfin_mem(struct pt_regs *fp)
{
-#ifdef CONFIG_DEBUG_VERBOSE
unsigned short *addr, *erraddr, val = 0, err = 0;
char sti = 0, buf[6];
erraddr = (void *)fp->pc;
- verbose_printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr);
+ pr_notice("return address: [0x%p]; contents of:", erraddr);
for (addr = (unsigned short *)((unsigned long)erraddr & ~0xF) - 0x10;
addr < (unsigned short *)((unsigned long)erraddr & ~0xF) + 0x10;
addr++) {
if (!((unsigned long)addr & 0xF))
- verbose_printk(KERN_NOTICE "0x%p: ", addr);
+ pr_notice("0x%p: ", addr);
if (!get_instruction(&val, addr)) {
val = 0;
@@ -408,10 +389,10 @@ void dump_bfin_mem(struct pt_regs *fp)
sprintf(buf, "%04x", val);
if (addr == erraddr) {
- verbose_printk("[%s]", buf);
+ pr_cont("[%s]", buf);
err = val;
} else
- verbose_printk(" %s ", buf);
+ pr_cont(" %s ", buf);
/* Do any previous instructions turn on interrupts? */
if (addr <= erraddr && /* in the past */
@@ -420,16 +401,15 @@ void dump_bfin_mem(struct pt_regs *fp)
sti = 1;
}
- verbose_printk("\n");
+ pr_cont("\n");
/* Hardware error interrupts can be deferred */
if (unlikely(sti && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR &&
oops_in_progress)){
- verbose_printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n");
+ pr_notice("Looks like this was a deferred error - sorry\n");
#ifndef CONFIG_DEBUG_HWERR
- verbose_printk(KERN_NOTICE
-"The remaining message may be meaningless\n"
-"You should enable CONFIG_DEBUG_HWERR to get a better idea where it came from\n");
+ pr_notice("The remaining message may be meaningless\n");
+ pr_notice("You should enable CONFIG_DEBUG_HWERR to get a better idea where it came from\n");
#else
/* If we are handling only one peripheral interrupt
* and current mm and pid are valid, and the last error
@@ -441,20 +421,18 @@ void dump_bfin_mem(struct pt_regs *fp)
/* And the last RETI points to the current userspace context */
if ((fp + 1)->pc >= current->mm->start_code &&
(fp + 1)->pc <= current->mm->end_code) {
- verbose_printk(KERN_NOTICE "It might be better to look around here :\n");
- verbose_printk(KERN_NOTICE "-------------------------------------------\n");
+ pr_notice("It might be better to look around here :\n");
+ pr_notice("-------------------------------------------\n");
show_regs(fp + 1);
- verbose_printk(KERN_NOTICE "-------------------------------------------\n");
+ pr_notice("-------------------------------------------\n");
}
}
#endif
}
-#endif
}
void show_regs(struct pt_regs *fp)
{
-#ifdef CONFIG_DEBUG_VERBOSE
char buf[150];
struct irqaction *action;
unsigned int i;
@@ -462,19 +440,19 @@ void show_regs(struct pt_regs *fp)
unsigned int cpu = raw_smp_processor_id();
unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
- verbose_printk(KERN_NOTICE "\n");
+ pr_notice("\n");
if (CPUID != bfin_cpuid())
- verbose_printk(KERN_NOTICE "Compiled for cpu family 0x%04x (Rev %d), "
+ pr_notice("Compiled for cpu family 0x%04x (Rev %d), "
"but running on:0x%04x (Rev %d)\n",
CPUID, bfin_compiled_revid(), bfin_cpuid(), bfin_revid());
- verbose_printk(KERN_NOTICE "ADSP-%s-0.%d",
+ pr_notice("ADSP-%s-0.%d",
CPU, bfin_compiled_revid());
if (bfin_compiled_revid() != bfin_revid())
- verbose_printk("(Detected 0.%d)", bfin_revid());
+ pr_cont("(Detected 0.%d)", bfin_revid());
- verbose_printk(" %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n",
+ pr_cont(" %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n",
get_cclk()/1000000, get_sclk()/1000000,
#ifdef CONFIG_MPU
"mpu on"
@@ -483,40 +461,40 @@ void show_regs(struct pt_regs *fp)
#endif
);
- verbose_printk(KERN_NOTICE "%s", linux_banner);
+ pr_notice("%s", linux_banner);
- verbose_printk(KERN_NOTICE "\nSEQUENCER STATUS:\t\t%s\n", print_tainted());
- verbose_printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx IMASK: %04lx SYSCFG: %04lx\n",
+ pr_notice("\nSEQUENCER STATUS:\t\t%s\n", print_tainted());
+ pr_notice(" SEQSTAT: %08lx IPEND: %04lx IMASK: %04lx SYSCFG: %04lx\n",
(long)fp->seqstat, fp->ipend, cpu_pda[raw_smp_processor_id()].ex_imask, fp->syscfg);
if (fp->ipend & EVT_IRPTEN)
- verbose_printk(KERN_NOTICE " Global Interrupts Disabled (IPEND[4])\n");
+ pr_notice(" Global Interrupts Disabled (IPEND[4])\n");
if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG13 | EVT_IVG12 | EVT_IVG11 |
EVT_IVG10 | EVT_IVG9 | EVT_IVG8 | EVT_IVG7 | EVT_IVTMR)))
- verbose_printk(KERN_NOTICE " Peripheral interrupts masked off\n");
+ pr_notice(" Peripheral interrupts masked off\n");
if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG15 | EVT_IVG14)))
- verbose_printk(KERN_NOTICE " Kernel interrupts masked off\n");
+ pr_notice(" Kernel interrupts masked off\n");
if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) {
- verbose_printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n",
+ pr_notice(" HWERRCAUSE: 0x%lx\n",
(fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14);
#ifdef EBIU_ERRMST
/* If the error was from the EBIU, print it out */
if (bfin_read_EBIU_ERRMST() & CORE_ERROR) {
- verbose_printk(KERN_NOTICE " EBIU Error Reason : 0x%04x\n",
+ pr_notice(" EBIU Error Reason : 0x%04x\n",
bfin_read_EBIU_ERRMST());
- verbose_printk(KERN_NOTICE " EBIU Error Address : 0x%08x\n",
+ pr_notice(" EBIU Error Address : 0x%08x\n",
bfin_read_EBIU_ERRADD());
}
#endif
}
- verbose_printk(KERN_NOTICE " EXCAUSE : 0x%lx\n",
+ pr_notice(" EXCAUSE : 0x%lx\n",
fp->seqstat & SEQSTAT_EXCAUSE);
for (i = 2; i <= 15 ; i++) {
if (fp->ipend & (1 << i)) {
if (i != 4) {
decode_address(buf, bfin_read32(EVT0 + 4*i));
- verbose_printk(KERN_NOTICE " physical IVG%i asserted : %s\n", i, buf);
+ pr_notice(" physical IVG%i asserted : %s\n", i, buf);
} else
- verbose_printk(KERN_NOTICE " interrupts disabled\n");
+ pr_notice(" interrupts disabled\n");
}
}
@@ -531,12 +509,12 @@ void show_regs(struct pt_regs *fp)
goto unlock;
decode_address(buf, (unsigned int)action->handler);
- verbose_printk(KERN_NOTICE " logical irq %3d mapped : %s", i, buf);
+ pr_notice(" logical irq %3d mapped : %s", i, buf);
for (action = action->next; action; action = action->next) {
decode_address(buf, (unsigned int)action->handler);
- verbose_printk(", %s", buf);
+ pr_cont(", %s", buf);
}
- verbose_printk("\n");
+ pr_cont("\n");
unlock:
if (!in_atomic)
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
@@ -544,51 +522,50 @@ unlock:
}
decode_address(buf, fp->rete);
- verbose_printk(KERN_NOTICE " RETE: %s\n", buf);
+ pr_notice(" RETE: %s\n", buf);
decode_address(buf, fp->retn);
- verbose_printk(KERN_NOTICE " RETN: %s\n", buf);
+ pr_notice(" RETN: %s\n", buf);
decode_address(buf, fp->retx);
- verbose_printk(KERN_NOTICE " RETX: %s\n", buf);
+ pr_notice(" RETX: %s\n", buf);
decode_address(buf, fp->rets);
- verbose_printk(KERN_NOTICE " RETS: %s\n", buf);
+ pr_notice(" RETS: %s\n", buf);
decode_address(buf, fp->pc);
- verbose_printk(KERN_NOTICE " PC : %s\n", buf);
+ pr_notice(" PC : %s\n", buf);
if (((long)fp->seqstat & SEQSTAT_EXCAUSE) &&
(((long)fp->seqstat & SEQSTAT_EXCAUSE) != VEC_HWERR)) {
decode_address(buf, cpu_pda[cpu].dcplb_fault_addr);
- verbose_printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf);
+ pr_notice("DCPLB_FAULT_ADDR: %s\n", buf);
decode_address(buf, cpu_pda[cpu].icplb_fault_addr);
- verbose_printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf);
+ pr_notice("ICPLB_FAULT_ADDR: %s\n", buf);
}
- verbose_printk(KERN_NOTICE "PROCESSOR STATE:\n");
- verbose_printk(KERN_NOTICE " R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n",
+ pr_notice("PROCESSOR STATE:\n");
+ pr_notice(" R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n",
fp->r0, fp->r1, fp->r2, fp->r3);
- verbose_printk(KERN_NOTICE " R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n",
+ pr_notice(" R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n",
fp->r4, fp->r5, fp->r6, fp->r7);
- verbose_printk(KERN_NOTICE " P0 : %08lx P1 : %08lx P2 : %08lx P3 : %08lx\n",
+ pr_notice(" P0 : %08lx P1 : %08lx P2 : %08lx P3 : %08lx\n",
fp->p0, fp->p1, fp->p2, fp->p3);
- verbose_printk(KERN_NOTICE " P4 : %08lx P5 : %08lx FP : %08lx SP : %08lx\n",
+ pr_notice(" P4 : %08lx P5 : %08lx FP : %08lx SP : %08lx\n",
fp->p4, fp->p5, fp->fp, (long)fp);
- verbose_printk(KERN_NOTICE " LB0: %08lx LT0: %08lx LC0: %08lx\n",
+ pr_notice(" LB0: %08lx LT0: %08lx LC0: %08lx\n",
fp->lb0, fp->lt0, fp->lc0);
- verbose_printk(KERN_NOTICE " LB1: %08lx LT1: %08lx LC1: %08lx\n",
+ pr_notice(" LB1: %08lx LT1: %08lx LC1: %08lx\n",
fp->lb1, fp->lt1, fp->lc1);
- verbose_printk(KERN_NOTICE " B0 : %08lx L0 : %08lx M0 : %08lx I0 : %08lx\n",
+ pr_notice(" B0 : %08lx L0 : %08lx M0 : %08lx I0 : %08lx\n",
fp->b0, fp->l0, fp->m0, fp->i0);
- verbose_printk(KERN_NOTICE " B1 : %08lx L1 : %08lx M1 : %08lx I1 : %08lx\n",
+ pr_notice(" B1 : %08lx L1 : %08lx M1 : %08lx I1 : %08lx\n",
fp->b1, fp->l1, fp->m1, fp->i1);
- verbose_printk(KERN_NOTICE " B2 : %08lx L2 : %08lx M2 : %08lx I2 : %08lx\n",
+ pr_notice(" B2 : %08lx L2 : %08lx M2 : %08lx I2 : %08lx\n",
fp->b2, fp->l2, fp->m2, fp->i2);
- verbose_printk(KERN_NOTICE " B3 : %08lx L3 : %08lx M3 : %08lx I3 : %08lx\n",
+ pr_notice(" B3 : %08lx L3 : %08lx M3 : %08lx I3 : %08lx\n",
fp->b3, fp->l3, fp->m3, fp->i3);
- verbose_printk(KERN_NOTICE "A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n",
+ pr_notice("A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n",
fp->a0w, fp->a0x, fp->a1w, fp->a1x);
- verbose_printk(KERN_NOTICE "USP : %08lx ASTAT: %08lx\n",
+ pr_notice("USP : %08lx ASTAT: %08lx\n",
rdusp(), fp->astat);
- verbose_printk(KERN_NOTICE "\n");
-#endif
+ pr_notice("\n");
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 22:04:24 +0000