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Diffstat (limited to 'arch/powerpc/xmon/xmon.c')
-rw-r--r--arch/powerpc/xmon/xmon.c42
1 files changed, 36 insertions, 6 deletions
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 47166ad2a669..4264aedc7775 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -56,6 +56,7 @@
#include <asm/opal.h>
#include <asm/firmware.h>
#include <asm/code-patching.h>
+#include <asm/sections.h>
#ifdef CONFIG_PPC64
#include <asm/hvcall.h>
@@ -244,6 +245,7 @@ Commands:\n\
f flush cache\n\
la lookup symbol+offset of specified address\n\
ls lookup address of specified symbol\n\
+ lp s [#] lookup address of percpu symbol s for current cpu, or cpu #\n\
m examine/change memory\n\
mm move a block of memory\n\
ms set a block of memory\n\
@@ -918,13 +920,13 @@ static void remove_cpu_bpts(void)
static void
show_uptime(void)
{
- struct timespec uptime;
+ struct timespec64 uptime;
if (setjmp(bus_error_jmp) == 0) {
catch_memory_errors = 1;
sync();
- get_monotonic_boottime(&uptime);
+ ktime_get_coarse_boottime_ts64(&uptime);
printf("Uptime: %lu.%.2lu seconds\n", (unsigned long)uptime.tv_sec,
((unsigned long)uptime.tv_nsec / (NSEC_PER_SEC/100)));
@@ -2429,7 +2431,6 @@ static void dump_one_paca(int cpu)
DUMP(p, thread_idle_state, "%#-*x");
DUMP(p, thread_mask, "%#-*x");
DUMP(p, subcore_sibling_mask, "%#-*x");
- DUMP(p, thread_sibling_pacas, "%-*px");
DUMP(p, requested_psscr, "%#-*llx");
DUMP(p, stop_sprs.pid, "%#-*llx");
DUMP(p, stop_sprs.ldbar, "%#-*llx");
@@ -2734,7 +2735,7 @@ generic_inst_dump(unsigned long adr, long count, int praddr,
{
int nr, dotted;
unsigned long first_adr;
- unsigned long inst, last_inst = 0;
+ unsigned int inst, last_inst = 0;
unsigned char val[4];
dotted = 0;
@@ -2758,7 +2759,7 @@ generic_inst_dump(unsigned long adr, long count, int praddr,
dotted = 0;
last_inst = inst;
if (praddr)
- printf(REG" %.8lx", adr, inst);
+ printf(REG" %.8x", adr, inst);
printf("\t");
dump_func(inst, adr);
printf("\n");
@@ -3353,7 +3354,8 @@ static void
symbol_lookup(void)
{
int type = inchar();
- unsigned long addr;
+ unsigned long addr, cpu;
+ void __percpu *ptr = NULL;
static char tmp[64];
switch (type) {
@@ -3377,6 +3379,34 @@ symbol_lookup(void)
catch_memory_errors = 0;
termch = 0;
break;
+ case 'p':
+ getstring(tmp, 64);
+ if (setjmp(bus_error_jmp) == 0) {
+ catch_memory_errors = 1;
+ sync();
+ ptr = (void __percpu *)kallsyms_lookup_name(tmp);
+ sync();
+ }
+
+ if (ptr &&
+ ptr >= (void __percpu *)__per_cpu_start &&
+ ptr < (void __percpu *)__per_cpu_end)
+ {
+ if (scanhex(&cpu) && cpu < num_possible_cpus()) {
+ addr = (unsigned long)per_cpu_ptr(ptr, cpu);
+ } else {
+ cpu = raw_smp_processor_id();
+ addr = (unsigned long)this_cpu_ptr(ptr);
+ }
+
+ printf("%s for cpu 0x%lx: %lx\n", tmp, cpu, addr);
+ } else {
+ printf("Percpu symbol '%s' not found.\n", tmp);
+ }
+
+ catch_memory_errors = 0;
+ termch = 0;
+ break;
}
}