From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:40851) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T7TBn-00044X-Qa for qemu-devel@nongnu.org; Fri, 31 Aug 2012 11:31:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1T7TBe-0007jM-Dl for qemu-devel@nongnu.org; Fri, 31 Aug 2012 11:31:19 -0400 Received: from hub021-nj-4.exch021.serverdata.net ([206.225.164.219]:56942) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T7TBe-0007hz-9Z for qemu-devel@nongnu.org; Fri, 31 Aug 2012 11:31:10 -0400 From: Don Slutz Date: Fri, 31 Aug 2012 11:30:00 -0400 Message-ID: <1346427000-9496-1-git-send-email-Don@CloudSwitch.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH] hw: Add VMware's GETHZ command. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.orgqemu-devel@nongnu.org Cc: Don Slutz This is known is linux as VMWARE_PORT_CMD_GETHZ. Signed-off-by: Don Slutz --- hw/vmport.c | 22 +++++++++++++++++++++- 1 files changed, 21 insertions(+), 1 deletions(-) diff --git a/hw/vmport.c b/hw/vmport.c index a4f52ee..37dbf91 100644 --- a/hw/vmport.c +++ b/hw/vmport.c @@ -26,13 +26,15 @@ #include "pc.h" #include "kvm.h" #include "qdev.h" +#include "qemu-timer.h" //#define VMPORT_DEBUG #define VMPORT_CMD_GETVERSION 0x0a #define VMPORT_CMD_GETRAMSIZE 0x14 +#define VMPORT_CMD_GETHZ 0x2d -#define VMPORT_ENTRIES 0x2c +#define VMPORT_ENTRIES 0x2e #define VMPORT_MAGIC 0x564D5868 typedef struct _VMPortState @@ -102,6 +104,23 @@ static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t addr) return ram_size; } +static uint32_t vmport_cmd_get_hz(void *opaque, uint32_t addr) +{ + CPUX86State *env = cpu_single_env; + uint64_t value; + + value = (uint64_t)env->tsc_khz * 1000; + if (value) { + /* apic-frequency (bus speed) */ + env->regs[R_ECX] = (uint32_t)get_ticks_per_sec(); + /* High part of tsc-frequency */ + env->regs[R_EBX] = (uint32_t)(value >> 32); + /* Low part of tsc-frequency */ + return (uint32_t)value; + } else + return env->regs[R_EAX]; +} + /* vmmouse helpers */ void vmmouse_get_data(uint32_t *data) { @@ -141,6 +160,7 @@ static int vmport_initfn(ISADevice *dev) /* Register some generic port commands */ vmport_register(VMPORT_CMD_GETVERSION, vmport_cmd_get_version, NULL); vmport_register(VMPORT_CMD_GETRAMSIZE, vmport_cmd_ram_size, NULL); + vmport_register(VMPORT_CMD_GETHZ, vmport_cmd_get_hz, NULL); return 0; } -- 1.7.1