add CONFIG_XC to mini-os

This patch adds a CONFIG_XC option to mini-os, to allow conditional support for libxc for mini-os domains.

Signed off by: Matthew Fioravante [email protected]

@@ -27,6 +27,7 @@ CONFIG_FBFRONT ?= y
 CONFIG_KBDFRONT ?= y
 CONFIG_CONSFRONT ?= y
 CONFIG_XENBUS ?= y
+CONFIG_XC ?=y
 CONFIG_LWIP ?= $(lwip)
 
 # Export config items as compiler directives

@@ -397,6 +397,7 @@ int close(int fd)
         return res;
     }
 #endif
+#ifdef CONFIG_XC
     case FTYPE_XC:
         minios_interface_close_fd(fd);
         return 0;

@@ -406,6 +407,7 @@ int close(int fd)
     case FTYPE_GNTMAP:
         minios_gnttab_close_fd(fd);
         return 0;
+#endif
 #ifdef CONFIG_NETFRONT
     case FTYPE_TAP:
         shutdown_netfront(files[fd].tap.dev);

@@ -1195,10 +1197,13 @@ void *mmap(void *start, size_t length, int prot,

int flags, int fd, off_t offset

     if (fd == -1)
         return map_zero(n, 1);
+#ifdef CONFIG_XC
     else if (files[fd].type == FTYPE_XC) {
         unsigned long zero = 0;
         return map_frames_ex(&zero, n, 0, 0, 1, DOMID_SELF, NULL, 0);
-    } else if (files[fd].type == FTYPE_MEM) {
+    }
+#endif
+    else if (files[fd].type == FTYPE_MEM) {
         unsigned long first_mfn = offset >> PAGE_SHIFT;
         return map_frames_ex(&first_mfn, n, 0, 1, 1, DOMID_IO, NULL,
_PAGE_PRESENT|_PAGE_RW);
     } else ASSERT(0);

1.7.4.4

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