diff options
| -rw-r--r-- | hw/loongarch/virt.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index f0640d2d80..95f9ed5cae 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -10,6 +10,7 @@ #include "qapi/error.h" #include "hw/boards.h" #include "hw/char/serial.h" +#include "sysemu/kvm.h" #include "sysemu/sysemu.h" #include "sysemu/qtest.h" #include "sysemu/runstate.h" @@ -840,18 +841,23 @@ static void virt_iocsr_misc_write(void *opaque, hwaddr addr, static uint64_t virt_iocsr_misc_read(void *opaque, hwaddr addr, unsigned size) { + uint64_t ret; + switch (addr) { case VERSION_REG: return 0x11ULL; case FEATURE_REG: - return 1ULL << IOCSRF_MSI | 1ULL << IOCSRF_EXTIOI | - 1ULL << IOCSRF_CSRIPI; + ret = BIT(IOCSRF_MSI) | BIT(IOCSRF_EXTIOI) | BIT(IOCSRF_CSRIPI); + if (kvm_enabled()) { + ret |= BIT(IOCSRF_VM); + } + return ret; case VENDOR_REG: return 0x6e6f73676e6f6f4cULL; /* "Loongson" */ case CPUNAME_REG: return 0x303030354133ULL; /* "3A5000" */ case MISC_FUNC_REG: - return 1ULL << IOCSRM_EXTIOI_EN; + return BIT_ULL(IOCSRM_EXTIOI_EN); } return 0ULL; } |