From 2d9b332d99b24f27f77e9ba38ce3c8beb11a81c0 Mon Sep 17 00:00:00 2001
From: Oliver O'Halloran <oohall@gmail.com>
Date: Fri, 1 Nov 2019 19:55:21 +1100
Subject: [PATCH] powerpc/xmon: Allow passing an argument to ppc_md.restart()
On PowerNV a few different kinds of reboot are supported. We'd like to be
able to exercise these from xmon so allow 'zr' to take an argument, and
pass that to the ppc_md.restart() function.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191101085522.3055-1-oohall@gmail.com
---
arch/powerpc/xmon/xmon.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 03d23075ac439..e8c84d265602b 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -1192,16 +1192,19 @@ static int do_step(struct pt_regs *regs)
static void bootcmds(void)
{
+ char tmp[64];
int cmd;
cmd = inchar();
- if (cmd == 'r')
- ppc_md.restart(NULL);
- else if (cmd == 'h')
+ if (cmd == 'r') {
+ getstring(tmp, 64);
+ ppc_md.restart(tmp);
+ } else if (cmd == 'h') {
ppc_md.halt();
- else if (cmd == 'p')
+ } else if (cmd == 'p') {
if (pm_power_off)
pm_power_off();
+ }
}
static int cpu_cmd(void)
--
2.30.2