diff options
Diffstat (limited to 'arch/powerpc/kernel/epapr_hcalls.S')
| -rw-r--r-- | arch/powerpc/kernel/epapr_hcalls.S | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/epapr_hcalls.S b/arch/powerpc/kernel/epapr_hcalls.S index 9f1ebf7338f1..6a414ed5a411 100644 --- a/arch/powerpc/kernel/epapr_hcalls.S +++ b/arch/powerpc/kernel/epapr_hcalls.S @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2012 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ +#include <linux/export.h> #include <linux/threads.h> #include <asm/epapr_hcalls.h> #include <asm/reg.h> @@ -20,12 +17,17 @@ #ifndef CONFIG_PPC64 /* epapr_ev_idle() was derived from e500_idle() */ _GLOBAL(epapr_ev_idle) - CURRENT_THREAD_INFO(r3, r1) - PPC_LL r4, TI_LOCAL_FLAGS(r3) /* set napping bit */ + PPC_LL r4, TI_LOCAL_FLAGS(r2) /* set napping bit */ ori r4, r4,_TLF_NAPPING /* so when we take an exception */ - PPC_STL r4, TI_LOCAL_FLAGS(r3) /* it will return to our caller */ + PPC_STL r4, TI_LOCAL_FLAGS(r2) /* it will return to our caller */ +#ifdef CONFIG_BOOKE wrteei 1 +#else + mfmsr r4 + ori r4, r4, MSR_EE + mtmsr r4 +#endif idle_loop: LOAD_REG_IMMEDIATE(r11, EV_HCALL_TOKEN(EV_IDLE)) @@ -53,3 +55,4 @@ epapr_hypercall_start: nop nop blr +EXPORT_SYMBOL(epapr_hypercall_start) |