[PATCH v4 04/17] xen/arm: use arch_get_ram_range to get memory ranges from bootinfo

[Henry Wang <Henry.Wang@xxxxxxx>]

From: Wei Chen <wei.chen@xxxxxxx>

Implement the same helper "arch_get_ram_range" as x86 for NUMA
code to get memory bank from Arm bootinfo.

Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
Signed-off-by: Henry Wang <Henry.Wang@xxxxxxx>
---
v3 -> v4:
1. No change.
v2 -> v3:
1. No change.
v1 -> v2:
1. Use arch_get_ram_range instead of arch_get_memory_map.
---
 xen/arch/arm/numa.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/xen/arch/arm/numa.c b/xen/arch/arm/numa.c
index e4f75f314b..3fee3789c7 100644
--- a/xen/arch/arm/numa.c
+++ b/xen/arch/arm/numa.c
@@ -103,3 +103,14 @@ unsigned char __node_distance(nodeid_t from, nodeid_t to)
 
     return node_distance_map[from][to];
 }
+
+int __init arch_get_ram_range(unsigned int idx, paddr_t *start, paddr_t *end)
+{
+    if ( idx >= bootinfo.mem.nr_banks )
+        return -ENOENT;
+
+    *start = bootinfo.mem.bank[idx].start;
+    *end = *start + bootinfo.mem.bank[idx].size;
+
+    return 0;
+}
-- 
2.25.1