Move TARGET_PHYS_ADDR_SPACE_BITS to target-*/cpu.h.

Removes a set of ifdefs from exec.c.

Introduce TARGET_VIRT_ADDR_SPACE_BITS for all targets other
than Alpha.  This will be used for page_find_alloc, which is
supposed to be using virtual addresses in the first place.

Signed-off-by: Richard Henderson <rth@twiddle.net>

1 files changed, 17 insertions, 0 deletions

diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 63aeb86..cecc6e2 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -29,6 +29,20 @@
 #define TARGET_LONG_BITS 64
 #define TARGET_PAGE_BITS 12
 
+/* Note that the official physical address space bits is 62-M where M
+   is implementation dependent.  I've not looked up M for the set of
+   cpus we emulate at the system level.  */
+#define TARGET_PHYS_ADDR_SPACE_BITS 62
+
+/* Note that the PPC environment architecture talks about 80 bit virtual
+   addresses, with segmentation.  Obviously that's not all visible to a
+   single process, which is all we're concerned with here.  */
+#ifdef TARGET_ABI32
+# define TARGET_VIRT_ADDR_SPACE_BITS 32
+#else
+# define TARGET_VIRT_ADDR_SPACE_BITS 64
+#endif
+
 #else /* defined (TARGET_PPC64) */
 /* PowerPC 32 definitions */
 #define TARGET_LONG_BITS 32
@@ -50,6 +64,9 @@
 #define TARGET_PAGE_BITS 12
 #endif /* defined(TARGET_PPCEMB) */
 
+#define TARGET_PHYS_ADDR_SPACE_BITS 32
+#define TARGET_VIRT_ADDR_SPACE_BITS 32
+
 #endif /* defined (TARGET_PPC64) */
 
 #define CPUState struct CPUPPCState