Similar to CMD_GETTIME but lacks the 136-year overflow issue, by returning full 64-bit of host uSeconds.
Reviewed-by: Nikita Leshenko <nikita.leshche...@oracle.com> Signed-off-by: Liran Alon <liran.a...@oracle.com> --- hw/i386/vmport.c | 17 +++++++++++++++++ include/hw/i386/pc.h | 1 + 2 files changed, 18 insertions(+) diff --git a/hw/i386/vmport.c b/hw/i386/vmport.c index 21253933215b..26231fc9d718 100644 --- a/hw/i386/vmport.c +++ b/hw/i386/vmport.c @@ -157,6 +157,22 @@ static uint32_t vmport_cmd_time(void *opaque, uint32_t addr) return (uint32_t)tv.tv_sec; } +static uint32_t vmport_cmd_time_full(void *opaque, uint32_t addr) +{ + X86CPU *cpu = X86_CPU(current_cpu); + qemu_timeval tv; + + if (qemu_gettimeofday(&tv) < 0) { + return UINT32_MAX; + } + + cpu->env.regs[R_ESI] = (uint32_t)((uint64_t)tv.tv_sec >> 32); + cpu->env.regs[R_EDX] = (uint32_t)tv.tv_sec; + cpu->env.regs[R_EBX] = (uint32_t)tv.tv_usec; + cpu->env.regs[R_ECX] = port_state->max_time_lag_us; + return VMPORT_MAGIC; +} + /* vmmouse helpers */ void vmmouse_get_data(uint32_t *data) { @@ -202,6 +218,7 @@ static void vmport_realizefn(DeviceState *dev, Error **errp) vmport_register(VMPORT_CMD_GETBIOSUUID, vmport_cmd_get_bios_uuid, NULL); vmport_register(VMPORT_CMD_GETRAMSIZE, vmport_cmd_ram_size, NULL); vmport_register(VMPORT_CMD_GETTIME, vmport_cmd_time, NULL); + vmport_register(VMPORT_CMD_GETTIMEFULL, vmport_cmd_time_full, NULL); } static Property vmport_properties[] = { diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 3ab3541b3a90..14d321e3cbbe 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -146,6 +146,7 @@ typedef enum { VMPORT_CMD_VMMOUSE_DATA = 39, VMPORT_CMD_VMMOUSE_STATUS = 40, VMPORT_CMD_VMMOUSE_COMMAND = 41, + VMPORT_CMD_GETTIMEFULL = 46, VMPORT_ENTRIES } VMPortCommand; -- 2.20.1