ioemu-ia64

xen虚拟机源代码安装包

Index: ioemu/hw/iommu.c
===================================================================
--- ioemu.orig/hw/iommu.c	2007-05-11 10:00:33.000000000 +0100
+++ ioemu/hw/iommu.c	2007-05-11 10:01:09.000000000 +0100
@@ -82,7 +82,11 @@
 #define IOPTE_VALID         0x00000002 /* IOPTE is valid */
 #define IOPTE_WAZ           0x00000001 /* Write as zeros */
 
+#if defined(__i386__) || defined(__x86_64__)
 #define PAGE_SHIFT      12
+#elif defined(__ia64__)
+#define PAGE_SHIFT      14
+#endif 
 #define PAGE_SIZE       (1 << PAGE_SHIFT)
 #define PAGE_MASK	(PAGE_SIZE - 1)
 
Index: ioemu/vl.c
===================================================================
--- ioemu.orig/vl.c	2007-05-11 10:01:09.000000000 +0100
+++ ioemu/vl.c	2007-05-11 10:01:09.000000000 +0100
@@ -7149,6 +7149,11 @@
     }
 #endif
 
+#if defined (__ia64__)
+    if (ram_size > MMIO_START)
+        ram_size += 1 * MEM_G; /* skip 3G-4G MMIO, LEGACY_IO_SPACE etc. */
+#endif
+
     /* init the memory */
     phys_ram_size = ram_size + vga_ram_size + bios_size;
 
@@ -7198,6 +7203,44 @@
 
     free(page_array);
 
+#elif defined(__ia64__)
+
+    nr_pages = ram_size/PAGE_SIZE;
+
+    page_array = (xen_pfn_t *)malloc(nr_pages * sizeof(xen_pfn_t));
+    if (page_array == NULL) {
+        fprintf(logfile, "malloc returned error %d\n", errno);
+        exit(-1);
+    }
+
+    shared_page = xc_map_foreign_range(xc_handle, domid, PAGE_SIZE,
+                                       PROT_READ|PROT_WRITE,
+                                       IO_PAGE_START >> PAGE_SHIFT);
+
+    buffered_io_page =xc_map_foreign_range(xc_handle, domid, PAGE_SIZE,
+                                       PROT_READ|PROT_WRITE,
+                                       BUFFER_IO_PAGE_START >> PAGE_SHIFT);
+
+    for (i = 0; i < nr_pages; i++)
+        page_array[i] = i;
+	
+    /* VTI will not use memory between 3G~4G, so we just pass a legal pfn
+       to make QEMU map continuous virtual memory space */
+    if (ram_size > MMIO_START) {	
+        for (i = 0 ; i < (MEM_G >> PAGE_SHIFT); i++)
+            page_array[(MMIO_START >> PAGE_SHIFT) + i] =
+                (STORE_PAGE_START >> PAGE_SHIFT); 
+    }
+
+    phys_ram_base = xc_map_foreign_batch(xc_handle, domid,
+                                         PROT_READ|PROT_WRITE,
+                                         page_array, nr_pages);
+    if (phys_ram_base == 0) {
+        fprintf(logfile, "xc_map_foreign_batch returned error %d\n", errno);
+        exit(-1);
+    }
+    free(page_array);
+#endif
 #else  /* !CONFIG_DM */
 
     phys_ram_base = qemu_vmalloc(phys_ram_size);
Index: ioemu/target-i386-dm/cpu.h
===================================================================
--- ioemu.orig/target-i386-dm/cpu.h	2007-05-11 10:01:09.000000000 +0100
+++ ioemu/target-i386-dm/cpu.h	2007-05-11 10:01:09.000000000 +0100
@@ -78,7 +78,11 @@
 /* helper2.c */
 int main_loop(void);
 
+#if defined(__i386__) || defined(__x86_64__)
 #define TARGET_PAGE_BITS 12
+#elif defined(__ia64__)
+#define TARGET_PAGE_BITS 14
+#endif 
 #include "cpu-all.h"
 
 #endif /* CPU_I386_H */