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powerpc/xmon: Allow passing an argument to ppc_md.restart()

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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
This commit is contained in:
Oliver O'Halloran 2019-11-01 19:55:21 +11:00 committed by Michael Ellerman
parent 846a17a53a
commit 2d9b332d99
1 changed files with 7 additions and 4 deletions
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11
arch/powerpc/xmon/xmon.c
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@ -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)