]> xenbits.xensource.com Git - qemu-xen.git/commitdiff
target-arm: use extended address bits from supersection short descriptor
authorSergey Fedorov <serge.fdrv@gmail.com>
Mon, 15 Jun 2015 17:06:07 +0000 (18:06 +0100)
committerPeter Maydell <peter.maydell@linaro.org>
Mon, 15 Jun 2015 17:06:07 +0000 (18:06 +0100)
Since ARMv7 with LPAE support, a supersection short translation table
descriptor has had extended base address fields which hold bits 39:32 of
translated address. These fields are IMPDEF in ARMv6 and ARMv7 without
LPAE support.

Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Message-id: 1433235718-30485-1-git-send-email-serge.fdrv@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
target-arm/helper.c

index 3ed2fc3fa25d21ad2fc453fa88ba82415b094a03..611b0e7cdc4079f89e47d2a5819a1a46a95e9848 100644 (file)
@@ -5397,6 +5397,8 @@ static int get_phys_addr_v6(CPUARMState *env, uint32_t address, int access_type,
         if (desc & (1 << 18)) {
             /* Supersection.  */
             phys_addr = (desc & 0xff000000) | (address & 0x00ffffff);
+            phys_addr |= (uint64_t)extract32(desc, 20, 4) << 32;
+            phys_addr |= (uint64_t)extract32(desc, 5, 4) << 36;
             *page_size = 0x1000000;
         } else {
             /* Section.  */