From c5af58b769113c4045209973052db3e3a543ee43 Mon Sep 17 00:00:00 2001 From: Guo Ren Date: Wed, 5 Sep 2018 14:25:18 +0800 Subject: csky: Library functions This patch adds string optimize codes and some auxiliary codes. Signed-off-by: Chen Linfei Signed-off-by: Mao Han Signed-off-by: Guo Ren Reviewed-by: Arnd Bergmann --- arch/csky/kernel/power.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 arch/csky/kernel/power.c (limited to 'arch/csky/kernel') diff --git a/arch/csky/kernel/power.c b/arch/csky/kernel/power.c new file mode 100644 index 000000000000..923ee4e381b8 --- /dev/null +++ b/arch/csky/kernel/power.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. + +#include + +void (*pm_power_off)(void); +EXPORT_SYMBOL(pm_power_off); + +void machine_power_off(void) +{ + local_irq_disable(); + if (pm_power_off) + pm_power_off(); + asm volatile ("bkpt"); +} + +void machine_halt(void) +{ + local_irq_disable(); + if (pm_power_off) + pm_power_off(); + asm volatile ("bkpt"); +} + +void machine_restart(char *cmd) +{ + local_irq_disable(); + do_kernel_restart(cmd); + asm volatile ("bkpt"); +} -- cgit v1.2.3