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Diffstat (limited to 'arch/csky/kernel/ptrace.c')
-rw-r--r--arch/csky/kernel/ptrace.c128
1 files changed, 125 insertions, 3 deletions
diff --git a/arch/csky/kernel/ptrace.c b/arch/csky/kernel/ptrace.c
index d822144906ac..0105ac81b432 100644
--- a/arch/csky/kernel/ptrace.c
+++ b/arch/csky/kernel/ptrace.c
@@ -22,6 +22,7 @@
#include <asm/asm-offsets.h>
#include <abi/regdef.h>
+#include <abi/ckmmu.h>
#define CREATE_TRACE_POINTS
#include <trace/events/syscalls.h>
@@ -83,7 +84,7 @@ static int gpr_get(struct task_struct *target,
/* Abiv1 regs->tls is fake and we need sync here. */
regs->tls = task_thread_info(target)->tp_value;
- return membuf_write(&to, regs, sizeof(regs));
+ return membuf_write(&to, regs, sizeof(*regs));
}
static int gpr_set(struct task_struct *target,
@@ -343,6 +344,124 @@ asmlinkage void syscall_trace_exit(struct pt_regs *regs)
trace_sys_exit(regs, syscall_get_return_value(current, regs));
}
+#ifdef CONFIG_CPU_CK860
+static void show_iutlb(void)
+{
+ int entry, i;
+ unsigned long flags;
+ unsigned long oldpid;
+ unsigned long entryhi[16], entrylo0[16], entrylo1[16];
+
+ oldpid = read_mmu_entryhi();
+
+ entry = 0x8000;
+
+ local_irq_save(flags);
+
+ for (i = 0; i < 16; i++) {
+ write_mmu_index(entry);
+ tlb_read();
+ entryhi[i] = read_mmu_entryhi();
+ entrylo0[i] = read_mmu_entrylo0();
+ entrylo1[i] = read_mmu_entrylo1();
+
+ entry++;
+ }
+
+ local_irq_restore(flags);
+
+ write_mmu_entryhi(oldpid);
+
+ printk("\n\n\n");
+ for (i = 0; i < 16; i++)
+ printk("iutlb[%d]: entryhi - 0x%lx; entrylo0 - 0x%lx;"
+ " entrylo1 - 0x%lx\n",
+ i, entryhi[i], entrylo0[i], entrylo1[i]);
+ printk("\n\n\n");
+}
+
+static void show_dutlb(void)
+{
+ int entry, i;
+ unsigned long flags;
+ unsigned long oldpid;
+ unsigned long entryhi[16], entrylo0[16], entrylo1[16];
+
+ oldpid = read_mmu_entryhi();
+
+ entry = 0x4000;
+
+ local_irq_save(flags);
+
+ for (i = 0; i < 16; i++) {
+ write_mmu_index(entry);
+ tlb_read();
+ entryhi[i] = read_mmu_entryhi();
+ entrylo0[i] = read_mmu_entrylo0();
+ entrylo1[i] = read_mmu_entrylo1();
+
+ entry++;
+ }
+
+ local_irq_restore(flags);
+
+ write_mmu_entryhi(oldpid);
+
+ printk("\n\n\n");
+ for (i = 0; i < 16; i++)
+ printk("dutlb[%d]: entryhi - 0x%lx; entrylo0 - 0x%lx;"
+ " entrylo1 - 0x%lx\n",
+ i, entryhi[i], entrylo0[i], entrylo1[i]);
+ printk("\n\n\n");
+}
+
+static unsigned long entryhi[1024], entrylo0[1024], entrylo1[1024];
+static void show_jtlb(void)
+{
+ int entry;
+ unsigned long flags;
+ unsigned long oldpid;
+
+ oldpid = read_mmu_entryhi();
+
+ entry = 0;
+
+ local_irq_save(flags);
+ while (entry < 1024) {
+ write_mmu_index(entry);
+ tlb_read();
+ entryhi[entry] = read_mmu_entryhi();
+ entrylo0[entry] = read_mmu_entrylo0();
+ entrylo1[entry] = read_mmu_entrylo1();
+
+ entry++;
+ }
+ local_irq_restore(flags);
+
+ write_mmu_entryhi(oldpid);
+
+ printk("\n\n\n");
+
+ for (entry = 0; entry < 1024; entry++)
+ printk("jtlb[%x]: entryhi - 0x%lx; entrylo0 - 0x%lx;"
+ " entrylo1 - 0x%lx\n",
+ entry, entryhi[entry], entrylo0[entry], entrylo1[entry]);
+ printk("\n\n\n");
+}
+
+static void show_tlb(void)
+{
+ show_iutlb();
+ show_dutlb();
+ show_jtlb();
+}
+#else
+static void show_tlb(void)
+{
+ return;
+}
+#endif
+
void show_regs(struct pt_regs *fp)
{
pr_info("\nCURRENT PROCESS:\n\n");
@@ -363,9 +482,10 @@ void show_regs(struct pt_regs *fp)
pr_info("PC: 0x%08lx (%pS)\n", (long)fp->pc, (void *)fp->pc);
pr_info("LR: 0x%08lx (%pS)\n", (long)fp->lr, (void *)fp->lr);
- pr_info("SP: 0x%08lx\n", (long)fp);
- pr_info("orig_a0: 0x%08lx\n", fp->orig_a0);
+ pr_info("SP: 0x%08lx\n", (long)fp->usp);
pr_info("PSR: 0x%08lx\n", (long)fp->sr);
+ pr_info("orig_a0: 0x%08lx\n", fp->orig_a0);
+ pr_info("PT_REGS: 0x%08lx\n", (long)fp);
pr_info(" a0: 0x%08lx a1: 0x%08lx a2: 0x%08lx a3: 0x%08lx\n",
fp->a0, fp->a1, fp->a2, fp->a3);
@@ -395,5 +515,7 @@ void show_regs(struct pt_regs *fp)
fp->regs[8], fp->regs[9]);
#endif
+ show_tlb();
+
return;
}