diff options
| author | Andrew Jones <drjones@redhat.com> | 2017-06-02 11:51:49 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-06-02 11:51:49 +0100 |
| commit | c7637c04be257968e6df30de961a6a23a0ac3dd8 (patch) | |
| tree | 608beeca076587496c1b9bb07a4cf1f3c8b5c001 | |
| parent | 94a66456f15983f40874eff23a215ba8c74d2bdf (diff) | |
hw/arm/virt: fdt: generate distance-map when needed
This is based on patch Shannon Zhao originally posted.
Cc: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Message-id: 20170529173751.3443-3-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/arm/virt.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c index c7c8159dfd..4db2d4207c 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) |