From c570fd169c16f110781f31e0e963542a15229ee9 Mon Sep 17 00:00:00 2001
From: ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Thu, 21 Dec 2006 01:19:56 +0000
Subject: Preliminiary MIPS64 support, disabled by default due to performance
 impact.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2250 c046a42c-6fe2-441c-8c8c-71466251a162
---
 target-mips/op_mem.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

(limited to 'target-mips/op_mem.c')

diff --git a/target-mips/op_mem.c b/target-mips/op_mem.c
index 35ccd44c66..a3289793b0 100644
--- a/target-mips/op_mem.c
+++ b/target-mips/op_mem.c
@@ -75,6 +75,7 @@ void glue(op_sw, MEMSUFFIX) (void)
 
 /* "half" load and stores.  We must do the memory access inline,
    or fault handling won't work.  */
+/* XXX: This is broken, CP0_BADVADDR has the wrong (aligned) value. */
 void glue(op_lwl, MEMSUFFIX) (void)
 {
     uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
@@ -125,6 +126,72 @@ void glue(op_sc, MEMSUFFIX) (void)
     RETURN();
 }
 
+#ifdef MIPS_HAS_MIPS64
+void glue(op_ld, MEMSUFFIX) (void)
+{
+    T0 = glue(ldq, MEMSUFFIX)(T0);
+    RETURN();
+}
+
+void glue(op_sd, MEMSUFFIX) (void)
+{
+    glue(stq, MEMSUFFIX)(T0, T1);
+    RETURN();
+}
+
+/* "half" load and stores.  We must do the memory access inline,
+   or fault handling won't work.  */
+void glue(op_ldl, MEMSUFFIX) (void)
+{
+    target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
+    CALL_FROM_TB1(glue(do_ldl, MEMSUFFIX), tmp);
+    RETURN();
+}
+
+void glue(op_ldr, MEMSUFFIX) (void)
+{
+    target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
+    CALL_FROM_TB1(glue(do_ldr, MEMSUFFIX), tmp);
+    RETURN();
+}
+
+void glue(op_sdl, MEMSUFFIX) (void)
+{
+    target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
+    tmp = CALL_FROM_TB1(glue(do_sdl, MEMSUFFIX), tmp);
+    glue(stq, MEMSUFFIX)(T0 & ~7, tmp);
+    RETURN();
+}
+
+void glue(op_sdr, MEMSUFFIX) (void)
+{
+    target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
+    tmp = CALL_FROM_TB1(glue(do_sdr, MEMSUFFIX), tmp);
+    glue(stq, MEMSUFFIX)(T0 & ~7, tmp);
+    RETURN();
+}
+
+void glue(op_lld, MEMSUFFIX) (void)
+{
+    T1 = T0;
+    T0 = glue(ldq, MEMSUFFIX)(T0);
+    env->CP0_LLAddr = T1;
+    RETURN();
+}
+
+void glue(op_scd, MEMSUFFIX) (void)
+{
+    CALL_FROM_TB0(dump_sc);
+    if (T0 == env->CP0_LLAddr) {
+        glue(stq, MEMSUFFIX)(T0, T1);
+        T0 = 1;
+    } else {
+        T0 = 0;
+    }
+    RETURN();
+}
+#endif /* MIPS_HAS_MIPS64 */
+
 #ifdef MIPS_USES_FPU
 void glue(op_lwc1, MEMSUFFIX) (void)
 {
-- 
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