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xen: Port Xen bus driver from mini-os

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Make required updates to run on u-boot and strip test code.

Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
This commit is contained in:
Oleksandr Andrushchenko
2020-08-06 12:42:53 +03:00
committed by Tom Rini
parent e87dfb0526
commit 60e49ff1f8
7 changed files with 693 additions and 2 deletions
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16
board/xen/xenguest_arm64/xenguest_arm64.c
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@@ -66,7 +66,7 @@ static int setup_mem_map(void)
/*
* Add "magic" region which is used by Xen to provide some essentials
* for the guest: we need console.
* for the guest: we need console and xenstore.
*/
ret = hvm_get_parameter_maintain_dcache(HVM_PARAM_CONSOLE_PFN, &gfn);
if (ret < 0) {
@@ -82,6 +82,20 @@ static int setup_mem_map(void)
PTE_BLOCK_INNER_SHARE);
i++;
ret = hvm_get_parameter_maintain_dcache(HVM_PARAM_STORE_PFN, &gfn);
if (ret < 0) {
printf("%s: Can't get HVM_PARAM_STORE_PFN, ret %d\n",
__func__, ret);
return -EINVAL;
}
xen_mem_map[i].virt = PFN_PHYS(gfn);
xen_mem_map[i].phys = PFN_PHYS(gfn);
xen_mem_map[i].size = PAGE_SIZE;
xen_mem_map[i].attrs = (PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE);
i++;
mem = get_next_memory_node(blob, -1);
if (mem < 0) {
printf("%s: Missing /memory node\n", __func__);