Merge remote-tracking branch 'remotes/rth/tags/cota-target-pull-request' into stagingHEADmaster

* Fix all next_page checks for overflow.
* Convert six targets to the translator loop.

# gpg: Signature made Wed 09 May 2018 18:20:43 BST
# gpg:                using RSA key 64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>"
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/cota-target-pull-request: (28 commits)
  target/riscv: convert to TranslatorOps
  target/riscv: convert to DisasContextBase
  target/riscv: convert to DisasJumpType
  target/openrisc: convert to TranslatorOps
  target/openrisc: convert to DisasContextBase
  target/s390x: convert to TranslatorOps
  target/s390x: convert to DisasContextBase
  target/s390x: convert to DisasJumpType
  target/mips: convert to TranslatorOps
  target/mips: use *ctx for DisasContext
  target/mips: convert to DisasContextBase
  target/mips: convert to DisasJumpType
  target/mips: use lookup_and_goto_ptr on BS_STOP
  target/sparc: convert to TranslatorOps
  target/sparc: convert to DisasContextBase
  target/sparc: convert to DisasJumpType
  target/sh4: convert to TranslatorOps
  translator: merge max_insns into DisasContextBase
  target/mips: avoid integer overflow in next_page PC check
  target/s390x: avoid integer overflow in next_page PC check
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 3 insertions, 5 deletions

diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 6d49f30b4a..1e7c150514 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -13224,8 +13224,8 @@ static void disas_a64_insn(CPUARMState *env, DisasContext *s)
     free_tmp_a64(s);
 }
 
-static int aarch64_tr_init_disas_context(DisasContextBase *dcbase,
-                                         CPUState *cpu, int max_insns)
+static void aarch64_tr_init_disas_context(DisasContextBase *dcbase,
+                                          CPUState *cpu)
 {
     DisasContext *dc = container_of(dcbase, DisasContext, base);
     CPUARMState *env = cpu->env_ptr;
@@ -13288,11 +13288,9 @@ static int aarch64_tr_init_disas_context(DisasContextBase *dcbase,
     if (dc->ss_active) {
         bound = 1;
     }
-    max_insns = MIN(max_insns, bound);
+    dc->base.max_insns = MIN(dc->base.max_insns, bound);
 
     init_tmp_a64_array(dc);
-
-    return max_insns;
 }
 
 static void aarch64_tr_tb_start(DisasContextBase *db, CPUState *cpu)