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[PULL,15/27] target-arm: lpae: Make t0sz and t1sz signed integers

Message ID 1445956409-1818-16-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell Oct. 27, 2015, 2:33 p.m. UTC 
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>

Make t0sz and t1sz signed integers to match tsz and to make
it easier to implement support for AArch32 negative t0sz.
t1sz is changed for consistensy.

No functional change.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1445864527-14520-3-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target-arm/helper.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 7e35585..d07b4b7 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -6535,12 +6535,12 @@  static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
      * This is a Non-secure PL0/1 stage 1 translation, so controlled by
      * TTBCR/TTBR0/TTBR1 in accordance with ARM ARM DDI0406C table B-32:
      */
-    uint32_t t0sz = extract32(tcr->raw_tcr, 0, 6);
+    int32_t t0sz = extract32(tcr->raw_tcr, 0, 6);
     if (va_size == 64) {
         t0sz = MIN(t0sz, 39);
         t0sz = MAX(t0sz, 16);
     }
-    uint32_t t1sz = extract32(tcr->raw_tcr, 16, 6);
+    int32_t t1sz = extract32(tcr->raw_tcr, 16, 6);
     if (va_size == 64) {
         t1sz = MIN(t1sz, 39);
         t1sz = MAX(t1sz, 16);