Changeset 102452 in vbox

Timestamp:

Dec 4, 2023 2:11:23 PM (12 months ago)

Author:

vboxsync

Message:

VMM/IEM: Starting on some FPU/SSE/AVX state stuff. bugref:10371

Location:

trunk/src/VBox/VMM/VMMAll

Files:

• IEMAllInstPython.py (modified) (1 diff)
• IEMAllN8veRecompiler.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IEMAllInstPython.py

@@ -2784 +2784 @@
 #       | sort | uniq | gawk "{printf """    %%-60s (%%s,        True)\n""", $1, $2}"
 g_dMcStmtParsers = {
-    'IEM_MC_ACTUALIZE_AVX_STATE_FOR_CHANGE':                     (McBlock.parseMcGeneric,           False, False, ),
-    'IEM_MC_ACTUALIZE_AVX_STATE_FOR_READ':                       (McBlock.parseMcGeneric,           False, False, ),
-    'IEM_MC_ACTUALIZE_FPU_STATE_FOR_CHANGE':                     (McBlock.parseMcGeneric,           False, False, ),
-    'IEM_MC_ACTUALIZE_FPU_STATE_FOR_READ':                       (McBlock.parseMcGeneric,           False, False, ),
-    'IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE':                     (McBlock.parseMcGeneric,           False, False, ),
-    'IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ':                       (McBlock.parseMcGeneric,           False, False, ),
+    'IEM_MC_ACTUALIZE_AVX_STATE_FOR_CHANGE':                     (McBlock.parseMcGeneric,           False, True,  ),
+    'IEM_MC_ACTUALIZE_AVX_STATE_FOR_READ':                       (McBlock.parseMcGeneric,           False, True,  ),
+    'IEM_MC_ACTUALIZE_FPU_STATE_FOR_CHANGE':                     (McBlock.parseMcGeneric,           False, True,  ),
+    'IEM_MC_ACTUALIZE_FPU_STATE_FOR_READ':                       (McBlock.parseMcGeneric,           False, True,  ),
+    'IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE':                     (McBlock.parseMcGeneric,           False, True,  ),
+    'IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ':                       (McBlock.parseMcGeneric,           False, True,  ),
     'IEM_MC_ADD_GREG_U16':                                       (McBlock.parseMcGeneric,           True,  False, ),
     'IEM_MC_ADD_GREG_U16_TO_LOCAL':                              (McBlock.parseMcGeneric,           False, False, ),

trunk/src/VBox/VMM/VMMAll/IEMAllN8veRecompiler.cpp

@@ -9698 +9698 @@
     iemNativeFixupFixedJump(pReNative, offJmpFixup, off);
 
+    return off;
+}
+
+
+
+/*********************************************************************************************************************************
+*   State and Exceptions                                                                                                         *
+*********************************************************************************************************************************/
+
+#define IEM_MC_ACTUALIZE_FPU_STATE_FOR_CHANGE()     off = iemNativeEmitPrepareFpuForUse(pReNative, off, true /*fForChange*/)
+#define IEM_MC_ACTUALIZE_FPU_STATE_FOR_READ()       off = iemNativeEmitPrepareFpuForUse(pReNative, off, false /*fForChange*/)
+
+#define IEM_MC_PREPARE_SSE_USAGE()                  off = iemNativeEmitPrepareFpuForUse(pReNative, off, true /*fForChange*/)
+#define IEM_MC_ACTUALIZE_SSE_STATE_FOR_CHANGE()     off = iemNativeEmitPrepareFpuForUse(pReNative, off, true /*fForChange*/)
+#define IEM_MC_ACTUALIZE_SSE_STATE_FOR_READ()       off = iemNativeEmitPrepareFpuForUse(pReNative, off, false /*fForChange*/)
+
+#define IEM_MC_PREPARE_AVX_USAGE()                  off = iemNativeEmitPrepareFpuForUse(pReNative, off, true /*fForChange*/)
+#define IEM_MC_ACTUALIZE_AVX_STATE_FOR_CHANGE()     off = iemNativeEmitPrepareFpuForUse(pReNative, off, true /*fForChange*/)
+#define IEM_MC_ACTUALIZE_AVX_STATE_FOR_READ()       off = iemNativeEmitPrepareFpuForUse(pReNative, off, false /*fForChange*/)
+
+
+DECL_INLINE_THROW(uint32_t) iemNativeEmitPrepareFpuForUse(PIEMRECOMPILERSTATE pReNative, uint32_t off, bool fForChange)
+{
+    /** @todo this needs a lot more work later. */
+    RT_NOREF(pReNative, fForChange);
     return off;
 }