Both Kirin 980 and Kirin 810 feature big cores with 0x48/0xd40 ID though they are marketed/documented as Cortex-A76 by HiSilicon themselves. Kirin 980 shows a r1p0 stepping while newer 810 has r3p0.
* https://github.com/deater/test_proc/blob/master/arm64/arm64.v8.0x41.0xd05.0x48.0xd40.huawei_mate_20#L37-L71
* https://github.com/termux/proot/issues/190#issuecomment-
927013509
static const struct id_part hisi_part[] = {
{ 0xd01, "Kunpeng-920" }, /* aka tsv110 */
+ { 0xd40, "Cortex-A76" }, /* HiSilicon uses this ID though advertises A76 */
{ -1, "unknown" },
};