Changeset 106445 in vbox for trunk/src/VBox/VMM/include

Timestamp:

Oct 17, 2024 12:31:32 PM (4 months ago)

Author:

vboxsync

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

165264

Message:

VMM/IEM: Pass down a_fFlat to the IEMNATIVEEMITTLBSTATE constructor used for memory read/write/map. bugref:10720

File:

• trunk/src/VBox/VMM/include/IEMN8veRecompilerTlbLookup.h (modified) (3 diffs)

trunk/src/VBox/VMM/include/IEMN8veRecompilerTlbLookup.h

@@ -95 +95 @@
 
     IEMNATIVEEMITTLBSTATE(PIEMRECOMPILERSTATE a_pReNative, uint32_t *a_poff, uint8_t a_idxVarGCPtrMem,
-                          uint8_t a_iSegReg, uint8_t a_cbMem, uint8_t a_offDisp = 0)
+                          uint8_t const a_iSegReg, bool const a_fFlat, uint8_t const a_cbMem, uint8_t const a_offDisp = 0)
 #ifdef IEMNATIVE_WITH_TLB_LOOKUP
         /* 32-bit and 64-bit wraparound will require special handling, so skip these for absolute addresses. */
@@ -123 +123 @@
                                                                       IEMNATIVE_CALL_ARG2_GREG)
                           : idxRegPtrHlp)
-        ,   idxRegSegBase(a_iSegReg == UINT8_MAX || fSkip
+        ,   idxRegSegBase(a_fFlat || a_iSegReg == UINT8_MAX || fSkip
                           ? UINT8_MAX
                           : iemNativeRegAllocTmpForGuestReg(a_pReNative, a_poff, IEMNATIVEGSTREG_SEG_BASE(a_iSegReg)))
-        ,  idxRegSegLimit((a_iSegReg == UINT8_MAX || (a_pReNative->fExec & IEM_F_MODE_CPUMODE_MASK) == IEMMODE_64BIT) || fSkip
+        ,  idxRegSegLimit(a_fFlat || a_iSegReg == UINT8_MAX || (a_pReNative->fExec & IEM_F_MODE_CPUMODE_MASK) == IEMMODE_64BIT || fSkip
                           ? UINT8_MAX
                           : iemNativeRegAllocTmpForGuestReg(a_pReNative, a_poff, IEMNATIVEGSTREG_SEG_LIMIT(a_iSegReg)))
-        , idxRegSegAttrib((a_iSegReg == UINT8_MAX || (a_pReNative->fExec & IEM_F_MODE_CPUMODE_MASK) == IEMMODE_64BIT) || fSkip
+        , idxRegSegAttrib(a_fFlat || a_iSegReg == UINT8_MAX || (a_pReNative->fExec & IEM_F_MODE_CPUMODE_MASK) == IEMMODE_64BIT || fSkip
                           ? UINT8_MAX
                           : iemNativeRegAllocTmpForGuestReg(a_pReNative, a_poff, IEMNATIVEGSTREG_SEG_ATTRIB(a_iSegReg)))
@@ -148 +148 @@
 
     {
-        RT_NOREF(a_cbMem, a_offDisp);
+        Assert(a_fFlat ? a_iSegReg == UINT8_MAX : a_iSegReg != UINT8_MAX);
+        RT_NOREF(a_offDisp);
     }