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[XEN RFC PATCH 29/40] xen/arm: implement Arm arch helpers Arm to get memory map info
- To: <wei.chen@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <sstabellini@xxxxxxxxxx>, <julien@xxxxxxx>, <jbeulich@xxxxxxxx>
- From: Wei Chen <wei.chen@xxxxxxx>
- Date: Wed, 11 Aug 2021 18:24:12 +0800
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- Cc: <Bertrand.Marquis@xxxxxxx>
- Delivery-date: Wed, 11 Aug 2021 10:31:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Nodisclaimer: true
These two helpers are architecture APIs that are required by
nodes_cover_memory.
Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
---
xen/arch/arm/numa.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/xen/arch/arm/numa.c b/xen/arch/arm/numa.c
index f61a8df645..6eebf8e8bc 100644
--- a/xen/arch/arm/numa.c
+++ b/xen/arch/arm/numa.c
@@ -126,3 +126,17 @@ void __init numa_init(bool acpi_off)
numa_initmem_init(PFN_UP(ram_start), PFN_DOWN(ram_end));
return;
}
+
+uint32_t __init arch_meminfo_get_nr_bank(void)
+{
+ return bootinfo.mem.nr_banks;
+}
+
+int __init arch_meminfo_get_ram_bank_range(int bank,
+ unsigned long long *start, unsigned long long *end)
+{
+ *start = bootinfo.mem.bank[bank].start;
+ *end = bootinfo.mem.bank[bank].start + bootinfo.mem.bank[bank].size;
+
+ return 0;
+}
--
2.25.1
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