target/xtensa: implement block prefetch option opcodes

Block prefetch option adds a bunch of non-privileged opcodes that may be implemented as nops since QEMU doesn't model caches. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
qemu · May 15, 2019 · c884400 · c884400
1 parent 75eed0e
commit c884400
Showing 1 changed file with 42 additions and 0 deletions.
diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
@@ -3077,16 +3077,25 @@ static const XtensaOpcodeOps core_ops[] = {
         .name = "dhi",
         .translate = translate_dcache,
         .op_flags = XTENSA_OP_PRIVILEGED,
+    }, {
+        .name = "dhi.b",
+        .translate = translate_nop,
     }, {
         .name = "dhu",
         .translate = translate_dcache,
         .op_flags = XTENSA_OP_PRIVILEGED,
     }, {
         .name = "dhwb",
         .translate = translate_dcache,
+    }, {
+        .name = "dhwb.b",
+        .translate = translate_nop,
     }, {
         .name = "dhwbi",
         .translate = translate_dcache,
+    }, {
+        .name = "dhwbi.b",
+        .translate = translate_nop,
     }, {
         .name = "dii",
         .translate = translate_nop,
@@ -3111,15 +3120,33 @@ static const XtensaOpcodeOps core_ops[] = {
         .name = "dpfl",
         .translate = translate_dcache,
         .op_flags = XTENSA_OP_PRIVILEGED,
+    }, {
+        .name = "dpfm.b",
+        .translate = translate_nop,
+    }, {
+        .name = "dpfm.bf",
+        .translate = translate_nop,
     }, {
         .name = "dpfr",
         .translate = translate_nop,
+    }, {
+        .name = "dpfr.b",
+        .translate = translate_nop,
+    }, {
+        .name = "dpfr.bf",
+        .translate = translate_nop,
     }, {
         .name = "dpfro",
         .translate = translate_nop,
     }, {
         .name = "dpfw",
         .translate = translate_nop,
+    }, {
+        .name = "dpfw.b",
+        .translate = translate_nop,
+    }, {
+        .name = "dpfw.bf",
+        .translate = translate_nop,
     }, {
         .name = "dpfwo",
         .translate = translate_nop,
@@ -3627,6 +3654,21 @@ static const XtensaOpcodeOps core_ops[] = {
         .translate = translate_ptlb,
         .par = (const uint32_t[]){true},
         .op_flags = XTENSA_OP_PRIVILEGED,
+    }, {
+        .name = "pfend.a",
+        .translate = translate_nop,
+    }, {
+        .name = "pfend.o",
+        .translate = translate_nop,
+    }, {
+        .name = "pfnxt.f",
+        .translate = translate_nop,
+    }, {
+        .name = "pfwait.a",
+        .translate = translate_nop,
+    }, {
+        .name = "pfwait.o",
+        .translate = translate_nop,
     }, {
         .name = "pitlb",
         .translate = translate_ptlb,