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hv: Add initialize pm.c

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Now, we only add native msr save/restore functions. The native power
related functions will be put to this file.

Signed-off-by: Zheng Gen <gen.zheng@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yin Fengwei 2018-06-04 16:02:20 +08:00 committed by lijinxia
parent feed38f5ae
commit 74dfa425e0
2 changed files with 15 additions and 0 deletions
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1
hypervisor/Makefile
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@ -113,6 +113,7 @@ C_SRCS += arch/x86/assign.c
C_SRCS += arch/x86/trusty.c
C_SRCS += arch/x86/cpu_state_tbl.c
C_SRCS += arch/x86/mtrr.c
C_SRCS += arch/x86/pm.c
C_SRCS += arch/x86/guest/vcpu.c
C_SRCS += arch/x86/guest/vm.c
C_SRCS += arch/x86/guest/instr_emul_wrapper.c

14
hypervisor/arch/x86/pm.c Normal file
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@ -0,0 +1,14 @@
/*
* Copyright (C) <2018> Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <hypervisor.h>
void restore_msrs(void)
{
#ifdef STACK_PROTECTOR
struct stack_canary *psc = &get_cpu_var(stack_canary);
msr_write(MSR_IA32_FS_BASE, (uint64_t)psc);
#endif
}