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Diffstat (limited to 'arch/powerpc/xmon/xmon.c')
-rw-r--r--arch/powerpc/xmon/xmon.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index c6f0a71b405..bdbe96c8a7e 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -517,6 +517,15 @@ static int xmon_core(struct pt_regs *regs, int fromipi)
in_xmon = 0;
#endif
+#ifdef CONFIG_BOOKE
+ if (regs->msr & MSR_DE) {
+ bp = at_breakpoint(regs->nip);
+ if (bp != NULL) {
+ regs->nip = (unsigned long) &bp->instr[0];
+ atomic_inc(&bp->ref_count);
+ }
+ }
+#else
if ((regs->msr & (MSR_IR|MSR_PR|MSR_SF)) == (MSR_IR|MSR_SF)) {
bp = at_breakpoint(regs->nip);
if (bp != NULL) {
@@ -530,7 +539,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi)
}
}
}
-
+#endif
insert_cpu_bpts();
local_irq_restore(flags);
@@ -894,6 +903,14 @@ cmds(struct pt_regs *excp)
}
}
+#ifdef CONFIG_BOOKE
+static int do_step(struct pt_regs *regs)
+{
+ regs->msr |= MSR_DE;
+ mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM);
+ return 1;
+}
+#else
/*
* Step a single instruction.
* Some instructions we emulate, others we execute with MSR_SE set.
@@ -924,6 +941,7 @@ static int do_step(struct pt_regs *regs)
regs->msr |= MSR_SE;
return 1;
}
+#endif
static void bootcmds(void)
{