qemu-target-i386-dm

xen虚拟机源代码安装包

Index: ioemu/Makefile.target
===================================================================
--- ioemu.orig/Makefile.target	2007-05-11 10:00:33.000000000 +0100
+++ ioemu/Makefile.target	2007-05-11 10:04:05.000000000 +0100
@@ -65,6 +65,8 @@
 QEMU_SYSTEM=qemu-fast
 endif
 
+QEMU_SYSTEM=qemu-dm
+
 ifdef CONFIG_USER_ONLY
 PROGS=$(QEMU_USER)
 else
@@ -321,6 +323,9 @@
 OBJS+=gdbstub.o
 endif
 
+# qemu-dm objects
+LIBOBJS=helper2.o exec-dm.o i8259-dm.o
+
 all: $(PROGS)
 
 $(QEMU_USER): $(OBJS)
@@ -381,7 +386,7 @@
 ifeq ($(TARGET_BASE_ARCH), i386)
 # Hardware support
 VL_OBJS+= ide.o pckbd.o ps2.o vga.o $(SOUND_HW) dma.o $(AUDIODRV)
-VL_OBJS+= fdc.o mc146818rtc.o serial.o i8259.o i8254.o pcspk.o pc.o
+VL_OBJS+= fdc.o mc146818rtc.o serial.o i8254.o pcspk.o pc.o
 VL_OBJS+= cirrus_vga.o mixeng.o apic.o parallel.o acpi.o piix_pci.o
 VL_OBJS+= usb-uhci.o smbus_eeprom.o
 CPPFLAGS += -DHAS_AUDIO
Index: ioemu/configure
===================================================================
--- ioemu.orig/configure	2007-05-11 10:00:33.000000000 +0100
+++ ioemu/configure	2007-05-11 10:04:04.000000000 +0100
@@ -426,6 +426,8 @@
     if [ "$darwin_user" = "yes" ] ; then
         target_list="i386-darwin-user ppc-darwin-user $target_list"
     fi
+# the i386-dm target
+    target_list="i386-dm"
 else
     target_list=`echo "$target_list" | sed -e 's/,/ /g'`
 fi
Index: ioemu/monitor.c
===================================================================
--- ioemu.orig/monitor.c	2007-05-11 10:00:33.000000000 +0100
+++ ioemu/monitor.c	2007-05-11 10:04:06.000000000 +0100
@@ -1325,6 +1325,10 @@
       "", "show which guest mouse is receiving events" },
     { "vnc", "", do_info_vnc,
       "", "show the vnc server status"},
+#ifdef CONFIG_DM
+    { "hvmiopage", "", sp_info,
+      "", "show HVM device model shared page info" },
+#endif /* CONFIG_DM */
     { NULL, NULL, },
 };
 
Index: ioemu/vl.c
===================================================================
--- ioemu.orig/vl.c	2007-05-11 10:00:33.000000000 +0100
+++ ioemu/vl.c	2007-05-11 10:04:06.000000000 +0100
@@ -88,7 +88,7 @@
 
 #include "exec-all.h"
 
-#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
+#define DEFAULT_NETWORK_SCRIPT "/etc/xen/qemu-ifup"
 #ifdef __sun__
 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
 #else
@@ -5805,7 +5805,7 @@
 
 static QEMUResetEntry *first_reset_entry;
 static int reset_requested;
-static int shutdown_requested;
+int shutdown_requested;
 static int powerdown_requested;
 
 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
@@ -5957,6 +5957,7 @@
                     qemu_get_clock(rt_clock));
 }
 
+#ifndef CONFIG_DM
 static CPUState *cur_cpu;
 
 int main_loop(void)
@@ -6031,6 +6032,7 @@
     cpu_disable_ticks();
     return ret;
 }
+#endif /* !CONFIG_DM */
 
 void help(void)
 {
Index: ioemu/vl.h
===================================================================
--- ioemu.orig/vl.h	2007-05-11 10:00:33.000000000 +0100
+++ ioemu/vl.h	2007-05-11 10:04:06.000000000 +0100
@@ -37,6 +37,8 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/stat.h>
+#include "xenctrl.h"
+#include "xs.h"
 
 #ifndef O_LARGEFILE
 #define O_LARGEFILE 0
@@ -144,6 +146,11 @@
 
 void main_loop_wait(int timeout);
 
+extern FILE *logfile;
+
+extern int xc_handle;
+extern int domid;
+
 extern int ram_size;
 extern int bios_size;
 extern int rtc_utc;
@@ -1023,6 +1030,7 @@
 uint32_t pic_intack_read(PicState2 *s);
 void pic_info(void);
 void irq_info(void);
+void sp_info(void);
 
 /* APIC */
 typedef struct IOAPICState IOAPICState;
Index: ioemu/target-i386-dm/cpu.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ ioemu/target-i386-dm/cpu.h	2007-05-11 10:04:06.000000000 +0100
@@ -0,0 +1,84 @@
+/*
+ * i386 virtual CPU header
+ * 
+ *  Copyright (c) 2003 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef CPU_I386_H
+#define CPU_I386_H
+
+#include "config.h"
+
+#ifdef TARGET_X86_64
+#define TARGET_LONG_BITS 64
+#else
+#define TARGET_LONG_BITS 32
+#endif
+
+/* target supports implicit self modifying code */
+#define TARGET_HAS_SMC
+/* support for self modifying code even if the modified instruction is
+   close to the modifying instruction */
+#define TARGET_HAS_PRECISE_SMC
+
+#include "cpu-defs.h"
+
+#include "softfloat.h"
+
+#if defined(__i386__) && !defined(CONFIG_SOFTMMU)
+#define USE_CODE_COPY
+#endif
+
+#ifdef USE_X86LDOUBLE
+typedef floatx80 CPU86_LDouble;
+#else
+typedef float64 CPU86_LDouble;
+#endif
+
+/* Empty for now */
+typedef struct CPUX86State {
+    uint32_t a20_mask;
+
+    int interrupt_request;
+
+    CPU_COMMON
+} CPUX86State;
+
+CPUX86State *cpu_x86_init(void);
+int cpu_x86_exec(CPUX86State *s);
+void cpu_x86_close(CPUX86State *s);
+int cpu_get_pic_interrupt(CPUX86State *s);
+/* MSDOS compatibility mode FPU exception support */
+void cpu_set_ferr(CPUX86State *s);
+
+void cpu_x86_set_a20(CPUX86State *env, int a20_state);
+
+#ifndef IN_OP_I386
+void cpu_x86_outb(CPUX86State *env, int addr, int val);
+void cpu_x86_outw(CPUX86State *env, int addr, int val);
+void cpu_x86_outl(CPUX86State *env, int addr, int val);
+int cpu_x86_inb(CPUX86State *env, int addr);
+int cpu_x86_inw(CPUX86State *env, int addr);
+int cpu_x86_inl(CPUX86State *env, int addr);
+#endif
+
+/* helper2.c */
+int main_loop(void);
+
+#define TARGET_PAGE_BITS 12
+#include "cpu-all.h"
+
+#endif /* CPU_I386_H */
Index: ioemu/target-i386-dm/exec-dm.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ ioemu/target-i386-dm/exec-dm.c	2007-05-11 10:04:04.000000000 +0100
@@ -0,0 +1,545 @@
+/*
+ *  virtual page mapping and translated block handling
+ * 
+ *  Copyright (c) 2003 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include "config.h"
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <sys/types.h>
+#include <sys/mman.h>
+#endif
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <inttypes.h>
+
+#include <xen/hvm/e820.h>
+
+#include "cpu.h"
+#include "exec-all.h"
+
+//#define DEBUG_TB_INVALIDATE
+//#define DEBUG_FLUSH
+//#define DEBUG_TLB
+
+/* make various TB consistency checks */
+//#define DEBUG_TB_CHECK 
+//#define DEBUG_TLB_CHECK 
+
+#ifndef CONFIG_DM
+/* threshold to flush the translated code buffer */
+#define CODE_GEN_BUFFER_MAX_SIZE (CODE_GEN_BUFFER_SIZE - CODE_GEN_MAX_SIZE)
+
+#define SMC_BITMAP_USE_THRESHOLD 10
+
+#define MMAP_AREA_START        0x00000000
+#define MMAP_AREA_END          0xa8000000
+
+TranslationBlock tbs[CODE_GEN_MAX_BLOCKS];
+TranslationBlock *tb_hash[CODE_GEN_HASH_SIZE];
+TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE];
+int nb_tbs;
+/* any access to the tbs or the page table must use this lock */
+spinlock_t tb_lock = SPIN_LOCK_UNLOCKED;
+
+uint8_t code_gen_buffer[CODE_GEN_BUFFER_SIZE];
+uint8_t *code_gen_ptr;
+#endif /* !CONFIG_DM */
+
+uint64_t phys_ram_size;
+extern uint64_t ram_size;
+int phys_ram_fd;
+uint8_t *phys_ram_base;
+uint8_t *phys_ram_dirty;
+
+CPUState *first_cpu;
+/* current CPU in the current thread. It is only valid inside
+   cpu_exec() */
+CPUState *cpu_single_env; 
+
+typedef struct PageDesc {
+    /* list of TBs intersecting this ram page */
+    TranslationBlock *first_tb;
+    /* in order to optimize self modifying code, we count the number
+       of lookups we do to a given page to use a bitmap */
+    unsigned int code_write_count;
+    uint8_t *code_bitmap;
+#if defined(CONFIG_USER_ONLY)
+    unsigned long flags;
+#endif
+} PageDesc;
+
+typedef struct PhysPageDesc {
+    /* offset in host memory of the page + io_index in the low 12 bits */
+    unsigned long phys_offset;
+} PhysPageDesc;
+
+typedef struct VirtPageDesc {
+    /* physical address of code page. It is valid only if 'valid_tag'
+       matches 'virt_valid_tag' */ 
+    target_ulong phys_addr; 
+    unsigned int valid_tag;
+#if !defined(CONFIG_SOFTMMU)
+    /* original page access rights. It is valid only if 'valid_tag'
+       matches 'virt_valid_tag' */
+    unsigned int prot;
+#endif
+} VirtPageDesc;
+
+#define L2_BITS 10
+#define L1_BITS (32 - L2_BITS - TARGET_PAGE_BITS)
+
+#define L1_SIZE (1 << L1_BITS)
+#define L2_SIZE (1 << L2_BITS)
+
+unsigned long qemu_real_host_page_size;
+unsigned long qemu_host_page_bits;
+unsigned long qemu_host_page_size;
+unsigned long qemu_host_page_mask;
+
+/* io memory support */
+CPUWriteMemoryFunc *io_mem_write[IO_MEM_NB_ENTRIES][4];
+CPUReadMemoryFunc *io_mem_read[IO_MEM_NB_ENTRIES][4];
+void *io_mem_opaque[IO_MEM_NB_ENTRIES];
+static int io_mem_nb = 1;
+
+/* log support */
+char *logfilename = "/tmp/qemu.log";
+FILE *logfile;
+int loglevel;
+
+void cpu_exec_init(CPUState *env)
+{
+    CPUState **penv;
+    int cpu_index;
+
+    env->next_cpu = NULL;
+    penv = &first_cpu;
+    cpu_index = 0;
+    while (*penv != NULL) {
+        penv = (CPUState **)&(*penv)->next_cpu;
+        cpu_index++;
+    }
+    env->cpu_index = cpu_index;
+    *penv = env;
+
+    /* alloc dirty bits array */
+    phys_ram_dirty = qemu_malloc(phys_ram_size >> TARGET_PAGE_BITS);
+}
+
+/* enable or disable low levels log */
+void cpu_set_log(int log_flags)
+{
+    loglevel = log_flags;
+    if (!logfile) {
+        logfile = fopen(logfilename, "w");
+        if (!logfile) {
+            perror(logfilename);
+            _exit(1);
+        }
+#if !defined(CONFIG_SOFTMMU)
+        /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
+        {
+            static uint8_t logfile_buf[4096];
+            setvbuf(logfile, logfile_buf, _IOLBF, sizeof(logfile_buf));
+        }
+#else
+        setvbuf(logfile, NULL, _IOLBF, 0);
+#endif
+        stdout = logfile;
+        stderr = logfile;
+    }
+}
+
+void cpu_set_log_filename(const char *filename)
+{