Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


Incorporated XED inclusion code. puppy-and-xed
Lei Xia [Mon, 21 Jul 2008 17:26:25 +0000 (17:26 +0000)]
make XED=1 world will now include the XED library
  (and, for now, an empty boot package)

make XED=0 world (default) will not include the XED library
  (and, for now, includes the rombios+vgabios boot package)

palacios/build/Makefile
palacios/include/palacios/vmm_decoder.h
palacios/src/geekos/vm.c
palacios/src/palacios/vmm_decoder.c
palacios/src/palacios/vmm_dev_mgr.c

index 99965c6..e8b2b78 100644 (file)
@@ -1,6 +1,6 @@
 # Makefile for GeekOS kernel, userspace, and tools
 # Copyright (c) 2004,2005 David H. Hovemeyer <daveho@cs.umd.edu>
-# $Revision: 1.45 $
+# $Revision: 1.46 $
 
 # This is free software.  You are permitted to use,
 # redistribute, and modify it as specified in the file "COPYING".
@@ -42,14 +42,34 @@ VPATH := $(PROJECT_ROOT)/src
 #when -DNDEBUG is set the kassert functions are disabled
 #JRLDEBUG=-DNDEBUG
 
+# DEBUG=1 means VMM_DEBUG, VMM_INFO, and VMM_TRACE are enabled
+# as are SERIAL_PRINT_DEBUG
+# 
 DEBUG=1
 
+#
+# XED=1 means that libxed will be included
+#
+# and VMM_XED is one
+#
+# and make world will build an empty boot package
+#
+XED=0
+
 ifeq ($(DEBUG),1)
   JRLDEBUG= -DSERIAL_PRINT_DEBUG=1 -DSERIAL_PRINT_DEBUG_LEVEL=10 -DSERIAL_PRINT=1 -DVMM_DEBUG=1 -DVMM_INFO=1 -DVMM_TRACE=1
 else
   JRLDEBUG= -DSERIAL_PRINT_DEBUG=0 -DSERIAL_PRINT_DEBUG_LEVEL=999999 -DSERIAL_PRINT=0 -DVMM_DEBUG=0 -DVMM_INFO=0 -DVMM_TRACE=0
 endif
 
+ifeq ($(XED),1)
+  LEIXED = -DVMM_XED=1
+else
+  LEIXED = -DVMM_XED=0
+endif
+
+LEIFLAGS = $(LEIXED)
+
 #
 #
 #Peter's compile flags
@@ -106,7 +126,7 @@ KERNEL_C_OBJS := $(KERNEL_C_SRCS:%.c=geekos/%.o)
 # Kernel assembly files
 KERNEL_ASM_SRCS := lowlevel.asm
 
-KERNEL_GAS_SRCS := testvm.s
+KERNEL_GAS_SRCS := testvm.s udivdi3.s
 
 # Kernel object files build from assembler source files
 KERNEL_ASM_OBJS := $(KERNEL_ASM_SRCS:%.asm=geekos/%.o) 
@@ -153,6 +173,11 @@ DEVICE_C_OBJS := $(DEVICE_C_SRCS:%.c=devices/%.o)
 
 DEVICE_OBJS := $(DEVICE_C_OBJS)
 
+V3LIBS :=
+
+ifeq ($(XED),1) 
+  V3LIBS := $(V3LIBS) -L../lib/xed -lxed
+endif
 
 
 # ----------------------------------------------------------------------
@@ -220,7 +245,7 @@ ROUND_UP_HEX := $(PERL) $(PROJECT_ROOT)/scripts/round_up_hex.pl
 # ----------------------------------------------------------------------
 
 # Flags used for all C source files
-GENERAL_OPTS := -O -Wall $(EXTRA_C_OPTS) $(JRLDEBUG) $(PADFLAGS) -fPIC
+GENERAL_OPTS := -O -Wall $(EXTRA_C_OPTS) $(JRLDEBUG) $(PADFLAGS) $(LEIFLAGS)  -fPIC
 CC_GENERAL_OPTS := $(GENERAL_OPTS) -Werror 
 
 # Flags used for kernel C source files
@@ -317,7 +342,11 @@ force_vgabios:
        (cd ../src/vmboot/vgabios; make clean; make)
 
 force_payload: force_rombios force_vgabios
+ifeq ($(XED),1)
+       ../scripts/make_payload.pl payload_none.txt vm_kernel
+else
        ../scripts/make_payload.pl payload_layout.txt vm_kernel
+endif
 
 inter1: force_payload
        -make clean
@@ -361,7 +390,7 @@ geekos/kernel.bin : geekos/kernel.exe
 # The kernel executable and symbol map.
 geekos/kernel.exe : $(KERNEL_OBJS) $(COMMON_C_OBJS) $(VMM_OBJS) $(DEVICE_OBJS) vm_kernel
        $(TARGET_LD) -o geekos/kernel.exe -Ttext $(KERNEL_BASE_ADDR) -e $(KERNEL_ENTRY) \
-                $(KERNEL_OBJS) $(COMMON_C_OBJS) $(VMM_OBJS) $(DEVICE_OBJS) -b binary vm_kernel
+                $(KERNEL_OBJS) $(COMMON_C_OBJS) $(VMM_OBJS) $(DEVICE_OBJS) $(V3LIBS) -b binary vm_kernel
        $(TARGET_NM) geekos/kernel.exe > geekos/kernel.syms
 
 
index 9319da8..aeb758d 100644 (file)
@@ -10,7 +10,7 @@
 
 typedef enum {INVALID_OPERAND, REG_OPERAND, MEM_OPERAND} operand_type_t;
 
-
+int parse();
 
 
 struct x86_operand {
index 6c74852..661f5d1 100644 (file)
 #include <palacios/vmm_dev_mgr.h>
 #include <palacios/vmm_time.h>
 
+//test decoder
+//#include <palacios/vmm_decoder.h>
+
+extern int parse();
+
 #define SPEAKER_PORT 0x61
 
 static inline void VM_Out_Byte(ushort_t port, uchar_t value)
@@ -199,6 +204,8 @@ int RunVMM(struct Boot_Info * bootInfo) {
 
 
 
+
+
     memset(&os_hooks, 0, sizeof(struct vmm_os_hooks));
     memset(&vmm_ops, 0, sizeof(struct vmm_ctrl_ops));
     memset(&vm_info, 0, sizeof(struct guest_info));
@@ -217,7 +224,14 @@ int RunVMM(struct Boot_Info * bootInfo) {
     os_hooks.ack_irq = &ack_irq;
     os_hooks.get_cpu_khz = &get_cpu_khz;
 
+
+
     Init_VMM(&os_hooks, &vmm_ops);
+
+    //test decoder
+    PrintBoth("testing decoder\n");
+    parse();
+    PrintBoth("testing decoder done\n");
   
 
     /* MOVE THIS TO AN INIT GUEST ROUTINE */
index 77ece9b..a67887e 100644 (file)
@@ -1,37 +1,86 @@
 #include <palacios/vmm_decoder.h>
+#if VMM_XED
+#include <xed/xed-interface.h>
+#endif
 
 
+int parse() {
+#if !VMM_XED
+   PrintDebug("XED is not included in this kernel\n");
+#else
+    xed_state_t dstate;
+    xed_decoded_inst_t xedd;
+    xed_uint_t i, length;
+    xed_uint8_t itext[100] = {0x01,0x00,0x00,0x00,0x12,0x00,0x55,0x48,0x89,0xe5,0x48,0x89,0x7d,0xf8,0x89,0x75,0xf4,0x89,0x55,0xf0,0x89,0x4d,0xec,0x48,0x8b,0x55,0xf8,0x8b,0x45,0xf4,0x89,0x02,0x48,0x8b,0x55,0xf8,0x8b,0x45,0xf0,0x89,0x42,0x04,0x48,0x8b,0x55,0xf8,0x8b,0x45,0xec,0x89,0x42,0x08,0xc9,0xc3,0x55,0x48,0x89,0xe5,0x48,0x89,0x7d,0xf8,0x48,0x8b,0x45,0xf8,0x8b,0x40,0x08,0xc9,0xc3,0x90,0x0};
+    xed_bool_t long_mode = true;
+    unsigned int first_argv;
+    int num;
+       
 
-/* The full blown instruction parser... */
-int v3_parse_instr(struct guest_info * info,
-                  char * instr_ptr,
-                  uint_t * instr_length, 
-                  addr_t * opcode,
-                  uint_t * opcode_length,
-                  struct x86_prefix_list * prefixes,
-                  struct x86_operand * src_operand,
-                  struct x86_operand * dst_operand,
-                  struct x86_operand * extra_operand) {
+    for (i=0, num=1; i<100; i += length, num++){
+           xed_tables_init();
+           xed_state_zero(&dstate);
+           //if (argc > 2 && strcmp(argv[1], "-64") == 0) 
+           long_mode = true;
 
-  V3_ASSERT(src_operand != NULL);
-  V3_ASSERT(dst_operand != NULL);
-  V3_ASSERT(extra_operand != NULL);
-  V3_ASSERT(instr_length != NULL);
-  V3_ASSERT(info != NULL);
+           if (long_mode)  {
+               first_argv = 2;
+               dstate.mmode=XED_MACHINE_MODE_LONG_64;
+           }
+           else {
+               first_argv=1;
+               xed_state_init(&dstate,
+                              XED_MACHINE_MODE_LEGACY_32, 
+                              XED_ADDRESS_WIDTH_32b, 
+                              XED_ADDRESS_WIDTH_32b);
+           }
 
-  
-  // Ignore prefixes for now
-  while (is_prefix_byte(*instr_ptr)) {
-    instr_ptr++;
-    *instr_length++;
-  }
+           xed_decoded_inst_zero_set_mode(&xedd, &dstate);
+           xed_error_enum_t xed_error = xed_decode(&xedd, 
+                                                   REINTERPRET_CAST(const xed_uint8_t*,&itext[i]), 
+                                                   XED_MAX_INSTRUCTION_BYTES);
+           switch(xed_error)    {
+             case XED_ERROR_NONE:
+               break;
+             case XED_ERROR_BUFFER_TOO_SHORT:
+               PrintDebug("Not enough bytes provided\n");
+               return 1;
+             case XED_ERROR_GENERAL_ERROR:
+               PrintDebug("Could not decode given input.\n");
+               return 1;
+             default:
+               PrintDebug("Unhandled error code \n");
+               return 1;;
+           }
 
+           length = xed_decoded_inst_get_length (&xedd);
 
-  // Opcode table lookup, see xen/kvm
+           PrintDebug("\nThe %dth instruction:", num);
 
+           PrintDebug("\ncategory: ");
+           PrintDebug(" %s\n", xed_category_enum_t2str(xed_decoded_inst_get_category(&xedd)));;
+           PrintDebug("ISA-extension:%s\n ",xed_extension_enum_t2str(xed_decoded_inst_get_extension(&xedd)));
+           PrintDebug(" instruction-length: %d\n ", xed_decoded_inst_get_length(&xedd));
+           PrintDebug(" operand-size:%d\n ", xed_operand_values_get_effective_operand_width(xed_decoded_inst_operands_const(&xedd)));   
+           PrintDebug("address-size:%d\n ", xed_operand_values_get_effective_address_width(xed_decoded_inst_operands_const(&xedd))); 
+           PrintDebug("iform-enum-name:%s\n ",xed_iform_enum_t2str(xed_decoded_inst_get_iform_enum(&xedd)));
+           PrintDebug("iform-enum-name-dispatch (zero based):%d\n ", xed_decoded_inst_get_iform_enum_dispatch(&xedd));
+           PrintDebug("iclass-max-iform-dispatch: %d\n ", xed_iform_max_per_iclass(xed_decoded_inst_get_iclass(&xedd)));
 
+           // operands
+           // print_operands(&xedd);
+           
+           // memops
+           // print_memops(&xedd);
+           
+           // flags
+           //print_flags(&xedd);
 
+           // attributes
+           //print_attributes(&xedd);*/
+    }
 
+#endif
 
-  return 0;
+    return 0;
 }
index 7f536bf..8f9b3a2 100644 (file)
@@ -2,6 +2,7 @@
 #include <palacios/vmm_dev_mgr.h>
 #include <palacios/vm_guest.h>
 #include <palacios/vmm.h>
+#include <palacios/vmm_decoder.h>
 
 
 extern struct vmm_os_hooks *os_hooks;
@@ -17,6 +18,7 @@ int dev_mgr_init(struct vmm_dev_mgr * mgr) {
 
   INIT_LIST_HEAD(&(mgr->io_hooks));
   mgr->num_io_hooks = 0;
+
   return 0;
 }