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board: xen: De-initialize before jumping to Linux

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Free resources used by Xen board before jumping to Linux kernel.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Oleksandr Andrushchenko 2020-08-06 12:43:00 +03:00 committed by Tom Rini
parent 53d725c74e
commit d17f6698b8
3 changed files with 22 additions and 0 deletions
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6
board/xen/xenguest_arm64/xenguest_arm64.c
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@ -12,6 +12,7 @@
#include <dm.h>
#include <errno.h>
#include <malloc.h>
#include <xen.h>
#include <asm/io.h>
#include <asm/armv8/mmu.h>
@ -194,3 +195,8 @@ int print_cpuinfo(void)
return 0;
}
void board_cleanup_before_linux(void)
{
xen_fini();
}

8
drivers/xen/hypervisor.c
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@ -242,3 +242,11 @@ void xen_init(void)
init_gnttab();
}
void xen_fini(void)
{
debug("%s\n", __func__);
fini_gnttab();
fini_xenbus();
fini_events();
}

8
include/xen.h
View File

@ -13,4 +13,12 @@
*/
void xen_init(void);
/**
* xen_fini() - Board cleanup before Linux kernel start
*
* Unmap Xen memory pages the specified guest's pseudophysical
* address space and unbind all event channels.
*/
void xen_fini(void);
#endif /* __XEN_H__ */