The features shown in cpucfg3 mostly are relative with cache capability, QEMU does not support cache emulation and discard these features. However it will be better if it is the same with host machine.
Here add default cpucfg3 feature information with LA464 CPU. Signed-off-by: Bibo Mao <[email protected]> --- target/loongarch/cpu.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index f04558027d..93980e62a3 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -321,6 +321,22 @@ static void loongarch_la464_initfn(Object *obj) data = FIELD_DP32(data, CPUCFG2, LAM, 1); env->cpucfg[2] = data; + data = 0; + data = FIELD_DP32(data, CPUCFG3, CCDMA, 1); + data = FIELD_DP32(data, CPUCFG3, UCACC, 1); + data = FIELD_DP32(data, CPUCFG3, LLEXC, 1); + data = FIELD_DP32(data, CPUCFG3, SCDLY, 1); + data = FIELD_DP32(data, CPUCFG3, LLDBAR, 1); + data = FIELD_DP32(data, CPUCFG3, ITLBHMC, 1); + data = FIELD_DP32(data, CPUCFG3, ICHMC, 1); + data = FIELD_DP32(data, CPUCFG3, SPW_LVL, 4); + data = FIELD_DP32(data, CPUCFG3, SPW_HP_HF, 1); + if (kvm_enabled()) { + data = FIELD_DP32(data, CPUCFG3, RVA, 1); + data = FIELD_DP32(data, CPUCFG3, RVAMAX, 7); + } + env->cpucfg[3] = data; + env->cpucfg[4] = 100 * 1000 * 1000; /* Crystal frequency */ data = 0; -- 2.39.3
