Changeset 95398 in vbox for trunk/src/VBox/ValidationKit/bootsectors/bs3kit

Timestamp:

Jun 27, 2022 6:49:14 PM (3 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

151995

Message:

ValKit/bs3kit: More work on extended CPU/FPU state management. bugref:9898

Location:

trunk/src/VBox/ValidationKit/bootsectors/bs3kit

Files:

• bs3-cmn-ExtCtxGetFcw.c (copied) (copied from trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-ExtCtxGetMm.c ) (2 diffs)
• bs3-cmn-ExtCtxSetFcw.c (copied) (copied from trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-ExtCtxSetMm.c ) (2 diffs)

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-ExtCtxGetFcw.c

@@ -1 +1 @@
 /* $Id$ */
 /** @file
- * BS3Kit - Bs3ExtCtxGetMm
+ * BS3Kit - Bs3ExtCtxGetFcw
  */
 
@@ -32 +32 @@
 
 
-#undef Bs3ExtCtxGetMm
-BS3_CMN_DEF(uint64_t, Bs3ExtCtxGetMm,(PCBS3EXTCTX pExtCtx, uint8_t iReg))
+#undef Bs3ExtCtxGetFcw
+BS3_CMN_DEF(uint16_t, Bs3ExtCtxGetFcw,(PCBS3EXTCTX pExtCtx))
 {
-    AssertCompileMembersAtSameOffset(BS3EXTCTX, Ctx.x87.aRegs, BS3EXTCTX, Ctx.x.x87.aRegs);
-    if (iReg < RT_ELEMENTS(pExtCtx->Ctx.x87.aRegs))
-        switch (pExtCtx->enmMethod)
-        {
-            case BS3EXTCTXMETHOD_FXSAVE:
-            case BS3EXTCTXMETHOD_XSAVE:
-                return pExtCtx->Ctx.x87.aRegs[iReg].mmx;
+    AssertCompileMembersAtSameOffset(BS3EXTCTX, Ctx.x87.FCW, BS3EXTCTX, Ctx.x.x87.FCW);
+    switch (pExtCtx->enmMethod)
+    {
+        case BS3EXTCTXMETHOD_FXSAVE:
+        case BS3EXTCTXMETHOD_XSAVE:
+            return pExtCtx->Ctx.x87.FCW;
 
-            case BS3EXTCTXMETHOD_ANCIENT:
-                return pExtCtx->Ctx.Ancient.regs[iReg].mmx;
-        }
+        case BS3EXTCTXMETHOD_ANCIENT:
+            return pExtCtx->Ctx.Ancient.FCW;
+    }
     return 0;
 }

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-ExtCtxSetFcw.c

@@ -1 +1 @@
 /* $Id$ */
 /** @file
- * BS3Kit - Bs3ExtCtxSetMm
+ * BS3Kit - Bs3ExtCtxSetFcw
  */
 
@@ -32 +32 @@
 
 
-#undef Bs3ExtCtxSetMm
-BS3_CMN_DEF(bool, Bs3ExtCtxSetMm,(PBS3EXTCTX pExtCtx, uint8_t iReg, uint64_t uValue))
+#undef Bs3ExtCtxSetFcw
+BS3_CMN_DEF(void, Bs3ExtCtxSetFcw,(PBS3EXTCTX pExtCtx, uint16_t uValue))
 {
-    AssertCompileMembersAtSameOffset(BS3EXTCTX, Ctx.x87.aRegs, BS3EXTCTX, Ctx.x.x87.aRegs);
-    if (iReg < RT_ELEMENTS(pExtCtx->Ctx.x87.aRegs))
-        switch (pExtCtx->enmMethod)
-        {
-            case BS3EXTCTXMETHOD_FXSAVE:
-            case BS3EXTCTXMETHOD_XSAVE:
-                pExtCtx->Ctx.x87.aRegs[iReg].mmx = uValue;
-                return true;
+    AssertCompileMembersAtSameOffset(BS3EXTCTX, Ctx.x87.FCW, BS3EXTCTX, Ctx.x.x87.FCW);
+    switch (pExtCtx->enmMethod)
+    {
+        case BS3EXTCTXMETHOD_FXSAVE:
+        case BS3EXTCTXMETHOD_XSAVE:
+            pExtCtx->Ctx.x87.FCW     = uValue;
+            break;
 
-            case BS3EXTCTXMETHOD_ANCIENT:
-                pExtCtx->Ctx.Ancient.regs[iReg].mmx = uValue;
-                return true;
-        }
-    return false;
+        case BS3EXTCTXMETHOD_ANCIENT:
+            pExtCtx->Ctx.Ancient.FCW = uValue;
+            break;
+    }
 }