[Qemu-devel] [PATCH 7/9] target/xtensa: implement block prefetch option opcodes

[Max Filippov]

Block prefetch option adds a bunch of non-privileged opcodes that may be
implemented as nops since QEMU doesn't model caches.

Signed-off-by: Max Filippov <address@hidden>
---
 target/xtensa/translate.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 24eb70d619d5..356eb9948701 100644
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -3078,6 +3078,9 @@ static const XtensaOpcodeOps core_ops[] = {
         .translate = translate_dcache,
         .op_flags = XTENSA_OP_PRIVILEGED,
     }, {
+        .name = "dhi.b",
+        .translate = translate_nop,
+    }, {
         .name = "dhu",
         .translate = translate_dcache,
         .op_flags = XTENSA_OP_PRIVILEGED,
@@ -3085,9 +3088,15 @@ static const XtensaOpcodeOps core_ops[] = {
         .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,
         .op_flags = XTENSA_OP_PRIVILEGED,
@@ -3112,15 +3121,33 @@ static const XtensaOpcodeOps core_ops[] = {
         .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,
     }, {
@@ -3628,6 +3655,21 @@ static const XtensaOpcodeOps core_ops[] = {
         .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,
         .par = (const uint32_t[]){false},
-- 
2.11.0