linux-user: Factor out guest space probing into a function
Signed-off-by: Meador Inge <meadori@codesourcery.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/linux-user/qemu.h b/linux-user/qemu.h
index 7b299b7..7d4e23e 100644
--- a/linux-user/qemu.h
+++ b/linux-user/qemu.h
@@ -210,6 +210,19 @@
*/
bool guest_validate_base(unsigned long guest_base);
+/* Creates the initial guest address space in the host memory space using
+ * the given host start address hint and size. The guest_start parameter
+ * specifies the start address of the guest space. guest_base will be the
+ * difference between the host start address computed by this function and
+ * guest_start. If fixed is specified, then the mapped address space must
+ * start at host_start. The real start address of the mapped memory space is
+ * returned or -1 if there was an error.
+ */
+unsigned long init_guest_space(unsigned long host_start,
+ unsigned long host_size,
+ unsigned long guest_start,
+ bool fixed);
+
#include "qemu-log.h"
/* strace.c */