[Qemu-devel] [PATCH v4 1/5] x86: Provide TCG_PHYS_ADDR_BITS

["Dr. David Alan Gilbert (git)" <dgilbert@redhat.com>]

From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

Provide a constant for the number of address bits supported under TCG.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
---
 target-i386/cpu.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 474b0b9..b3162b7 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -1403,11 +1403,13 @@ uint64_t cpu_get_tsc(CPUX86State *env);
 /* XXX: This value should match the one returned by CPUID
  * and in exec.c */
 # if defined(TARGET_X86_64)
-# define PHYS_ADDR_MASK 0xffffffffffLL
+# define TCG_PHYS_ADDR_BITS 40
 # else
-# define PHYS_ADDR_MASK 0xfffffffffLL
+# define TCG_PHYS_ADDR_BITS 36
 # endif
 
+#define PHYS_ADDR_MASK MAKE_64BIT_MASK(0, TCG_PHYS_ADDR_BITS)
+
 #define cpu_init(cpu_model) CPU(cpu_x86_init(cpu_model))
 
 #define cpu_signal_handler cpu_x86_signal_handler
-- 
2.7.4