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authorOleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>2020-08-06 12:42:53 +0300
committerTom Rini <trini@konsulko.com>2020-08-14 15:18:30 -0400
commit60e49ff1f8a0b8d48b0d12bad94d0dfb8fdbeec8 (patch)
tree23255c3baca7f7d4924f18eea54ca171ccf6f5a2 /board
parente87dfb0526be231de89b299531a0e637d343fccd (diff)
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xen: Port Xen bus driver from mini-os
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>
Diffstat (limited to 'board')
-rw-r--r--board/xen/xenguest_arm64/xenguest_arm64.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/board/xen/xenguest_arm64/xenguest_arm64.c b/board/xen/xenguest_arm64/xenguest_arm64.c
index e3903bb..c87ef70 100644
--- a/board/xen/xenguest_arm64/xenguest_arm64.c
+++ b/board/xen/xenguest_arm64/xenguest_arm64.c
@@ -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__);