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| author | Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> | 2020-08-06 12:42:48 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-08-14 15:18:30 -0400 |
| commit | 486544161fa97accff12c2fc585ffe218b8dfc52 (patch) | |
| tree | df95622b7bfc2602efce52193ab81971991fdc8c /arch/arm/include/asm/io.h | |
| parent | 770a8eef3e27a5dc16e286cafa1a58e9201c9721 (diff) | |
| download | u-boot-486544161fa97accff12c2fc585ffe218b8dfc52.zip u-boot-486544161fa97accff12c2fc585ffe218b8dfc52.tar.gz u-boot-486544161fa97accff12c2fc585ffe218b8dfc52.tar.bz2 | |
xen: Port Xen hypervisor related code from mini-os
Port hypervisor related code from Mini-OS. This is referencing the code
of Mini-OS from [1] by Huang Shijie and Volodymyr Babchuk which is for
ARM64.
Update essential arch code to support required bit operations, memory
barriers etc.
Copyright for the bits ported belong to at least the following authors,
please see related files for details:
Copyright (c) 2002-2003, K A Fraser
Copyright (c) 2005, Grzegorz Milos, gm281@cam.ac.uk,Intel Research Cambridge
Copyright (c) 2014, Karim Allah Ahmed <karim.allah.ahmed@gmail.com>
[1] - https://github.com/zyzii/mini-os.git
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
[trini: Drop wmb() from musb-net/linux-compat.h now]
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch/arm/include/asm/io.h')
| -rw-r--r-- | arch/arm/include/asm/io.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 8959749..ade1401 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -110,9 +110,13 @@ static inline void __raw_readsl(unsigned long addr, void *data, int longlen) * have some advantages to use them instead of the simple one here. */ #define mb() dsb() +#define rmb() dsb() +#define wmb() dsb() #define __iormb() dmb() #define __iowmb() dmb() +#define smp_processor_id() 0 + #define writeb(v,c) ({ u8 __v = v; __iowmb(); __arch_putb(__v,c); __v; }) #define writew(v,c) ({ u16 __v = v; __iowmb(); __arch_putw(__v,c); __v; }) #define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; }) |