hax: Support for Linux hosts

Intel HAXM supports now 32-bit and 64-bit Linux hosts. This patch includes
the corresponding userland changes.

Since the Darwin userland backend is POSIX-compliant, the hax-darwin.{c,h}
files have been renamed to hax-posix.{c,h}. This prefix is consistent with
the naming used in the rest of QEMU.
Signed-off-by: NAlexandro Sanchez Bach <asanchez@kryptoslogic.com>
Message-Id: <20181115013331.65820-1-asanchez@kryptoslogic.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

target/i386/Makefile.objs

@@ -12,10 +12,10 @@ obj-$(call lnot,$(CONFIG_HYPERV)) += hyperv-stub.o
 ifeq ($(CONFIG_WIN32),y)
 obj-$(CONFIG_HAX) += hax-all.o hax-mem.o hax-windows.o
 endif
-ifeq ($(CONFIG_DARWIN),y)
-obj-$(CONFIG_HAX) += hax-all.o hax-mem.o hax-darwin.o
-obj-$(CONFIG_HVF) += hvf/
+ifeq ($(CONFIG_POSIX),y)
+obj-$(CONFIG_HAX) += hax-all.o hax-mem.o hax-posix.o
 endif
+obj-$(CONFIG_HVF) += hvf/
 obj-$(CONFIG_WHPX) += whpx-all.o
 endif
 obj-$(CONFIG_SEV) += sev.o

target/i386/hax-i386.h

@@ -16,7 +16,7 @@
 #include "cpu.h"
 #include "sysemu/hax.h"
 
-#ifdef CONFIG_DARWIN
+#ifdef CONFIG_POSIX
 typedef int hax_fd;
 #endif
 
@@ -82,8 +82,8 @@ hax_fd hax_mod_open(void);
 void hax_memory_init(void);
 
 
-#ifdef CONFIG_DARWIN
-#include "target/i386/hax-darwin.h"
+#ifdef CONFIG_POSIX
+#include "target/i386/hax-posix.h"
 #endif
 
 #ifdef CONFIG_WIN32