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[Qemu-arm] [PATCH 2/2] hw/arm/virt: fdt: generate distance-map when need
From: |
Andrew Jones |
Subject: |
[Qemu-arm] [PATCH 2/2] hw/arm/virt: fdt: generate distance-map when needed |
Date: |
Mon, 29 May 2017 19:37:51 +0200 |
This is based on patch Shannon Zhao originally posted.
Cc: Shannon Zhao <address@hidden>
Signed-off-by: Andrew Jones <address@hidden>
---
hw/arm/virt.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index c7c8159dfd59..4db2d4207cf2 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -219,6 +219,27 @@ static void create_fdt(VirtMachineState *vms)
"clk24mhz");
qemu_fdt_setprop_cell(fdt, "/apb-pclk", "phandle", vms->clock_phandle);
+ if (have_numa_distance) {
+ int size = nb_numa_nodes * nb_numa_nodes * 3 * sizeof(uint32_t);
+ uint32_t *matrix = g_malloc0(size);
+ int idx, i, j;
+
+ for (i = 0; i < nb_numa_nodes; i++) {
+ for (j = 0; j < nb_numa_nodes; j++) {
+ idx = (i * nb_numa_nodes + j) * 3;
+ matrix[idx + 0] = cpu_to_be32(i);
+ matrix[idx + 1] = cpu_to_be32(j);
+ matrix[idx + 2] = cpu_to_be32(numa_info[i].distance[j]);
+ }
+ }
+
+ qemu_fdt_add_subnode(fdt, "/distance-map");
+ qemu_fdt_setprop_string(fdt, "/distance-map", "compatible",
+ "numa-distance-map-v1");
+ qemu_fdt_setprop(fdt, "/distance-map", "distance-matrix",
+ matrix, size);
+ g_free(matrix);
+ }
}
static void fdt_add_psci_node(const VirtMachineState *vms)
--
2.9.4