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lxip: ARM 64-Bit support

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issue #3407
This commit is contained in:
Sebastian Sumpf 2019-05-29 13:40:53 +02:00 committed by Christian Helmuth
parent b45dd99393
commit 0ea5dabac4
2 changed files with 34 additions and 0 deletions
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3
repos/dde_linux/lib/import/import-lxip_include.mk
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@ -21,6 +21,9 @@ ifeq ($(filter-out $(SPECS),arm),)
ARCH_SRC_INC_DIR += $(REP_DIR)/src/include/spec/arm_v7
endif # arm_v7
endif # arm
ifeq ($(filter-out $(SPECS),arm_64),)
ARCH_SRC_INC_DIR += $(REP_DIR)/src/include/spec/arm_64
endif # arm_v7
#
# The order of include-search directories is important, we need to look into

31
repos/dde_linux/src/include/spec/arm_64/lx_emul/barrier.h Normal file
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@ -0,0 +1,31 @@
/*
* \brief ARMv8-specific part of the Linux API emulation
* \author Christian Prochaska
* \date 2014-05-28
*/
/*
* Copyright (C) 2019 Genode Labs GmbH
*
* This file is distributed under the terms of the GNU General Public License
* version 2.
*/
/*******************
** asm/barrier.h **
*******************/
#define mb() asm volatile ("dsb ld": : :"memory")
#define rmb() mb()
#define wmb() asm volatile ("dsb st": : :"memory")
/*
* This is the "safe" implementation as needed for a configuration
* with bufferable DMA memory and SMP enabled.
*/
#define smp_mb() asm volatile ("dmb ish": : :"memory")
#define smp_rmb() smp_mb()
#define smp_wmb() asm volatile ("dmb ishst": : :"memory")
static inline void barrier() { asm volatile ("": : :"memory"); }