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[Qemu-devel] [PATCH 5/5] Add support for UUID query to vmport interface.
From: |
Gleb Natapov |
Subject: |
[Qemu-devel] [PATCH 5/5] Add support for UUID query to vmport interface. |
Date: |
Thu, 05 Jun 2008 11:35:56 +0300 |
User-agent: |
StGIT/0.14.2 |
Answer BOCHS BIOS query about UUID.
Signed-off-by: Gleb Natapov <address@hidden>
---
hw/vmport.c | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/hw/vmport.c b/hw/vmport.c
index ebfa921..5d32288 100644
--- a/hw/vmport.c
+++ b/hw/vmport.c
@@ -26,8 +26,16 @@
#include "pc.h"
#include "sysemu.h"
+#ifdef CONFIG_UUID
+#include <uuid/uuid.h>
+extern uuid_t qemu_uuid;
+#else
+static uint8_t qemu_uuid[16];
+#endif
+
#define VMPORT_CMD_GETVERSION 0x0a
#define VMPORT_CMD_GETRAMSIZE 0x14
+#define VMPORT_CMD_GETBIOSUUID 0x13
#define VMPORT_ENTRIES 0x2c
#define VMPORT_MAGIC 0x564D5868
@@ -93,6 +101,26 @@ static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t
addr)
return ram_size;
}
+static inline uint32_t uuid2reg(const unsigned char *uuid, uint32_t idx)
+{
+ int i;
+ uint32_t reg = 0;
+
+ for (i = 0; i < 4; i++)
+ reg |= (uuid[(idx*4) + i] << (i*8));
+
+ return reg;
+}
+
+static uint32_t vmport_cmd_bios_uuid(void *opaque, uint32_t addr)
+{
+ CPUState *env = cpu_single_env;
+ env->regs[R_EBX] = uuid2reg(qemu_uuid, 1);
+ env->regs[R_ECX] = uuid2reg(qemu_uuid, 2);
+ env->regs[R_EDX] = uuid2reg(qemu_uuid, 3);
+ return uuid2reg(qemu_uuid, 0);
+}
+
void vmport_init(void)
{
register_ioport_read(0x5658, 1, 4, vmport_ioport_read, &port_state);
@@ -101,4 +129,5 @@ void vmport_init(void)
/* 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_GETBIOSUUID, vmport_cmd_bios_uuid, NULL);
}
- Re: [Qemu-devel] [PATCH 2/5] Add -uuid command line option., (continued)
- [Qemu-devel] [PATCH 3/5] Add "info uuid" command to monitor., Gleb Natapov, 2008/06/05
- [Qemu-devel] [PATCH 4/5] Use libuuid if available., Gleb Natapov, 2008/06/05
- Re: [Qemu-devel] [PATCH 4/5] Use libuuid if available., Anthony Liguori, 2008/06/05
- Re: [Qemu-devel] [PATCH 4/5] Use libuuid if available., Gleb Natapov, 2008/06/05
- Re: [Qemu-devel] [PATCH 4/5] Use libuuid if available., Anthony Liguori, 2008/06/05
- Re: [Qemu-devel] [PATCH 4/5] Use libuuid if available., Paul Brook, 2008/06/05
- Re: [Qemu-devel] [PATCH 4/5] Use libuuid if available., Anthony Liguori, 2008/06/05
- Re: [Qemu-devel] [PATCH 4/5] Use libuuid if available., Daniel P. Berrange, 2008/06/06
[Qemu-devel] [PATCH 5/5] Add support for UUID query to vmport interface.,
Gleb Natapov <=