Changeset 105664 in vbox for trunk/src/VBox/VMM/include

Timestamp:

Aug 14, 2024 8:47:13 AM (9 months ago)

Author:

vboxsync

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

164358

Message:

VMM/IEM: Implement vgather[dq]p[sd], vpgather[dq][dq] instruction decoding, dispatch & emulation, bugref:9898
VMM/IEM: Fix disassembly metadata for vpsllvq, vpsrlvq instructions
VMM/IEM: Adds MVx VSIB operand handling
VMM/IEM: Adds iemMemFetchDataU32NoAc(), iemMemFetchDataU64NoAc() unaligned memory fetchers

Location:

trunk/src/VBox/VMM/include

Files:

• IEMInternal.h (modified) (3 diffs)
• IEMMc.h (modified) (1 diff)

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

@@ -6199 +6199 @@
 VBOXSTRICTRC    iemMemFetchDataU16(PVMCPUCC pVCpu, uint16_t *pu16Dst, uint8_t iSegReg, RTGCPTR GCPtrMem) RT_NOEXCEPT;
 VBOXSTRICTRC    iemMemFetchDataU32(PVMCPUCC pVCpu, uint32_t *pu32Dst, uint8_t iSegReg, RTGCPTR GCPtrMem) RT_NOEXCEPT;
+VBOXSTRICTRC    iemMemFetchDataU32NoAc(PVMCPUCC pVCpu, uint32_t *pu32Dst, uint8_t iSegReg, RTGCPTR GCPtrMem) RT_NOEXCEPT;
 VBOXSTRICTRC    iemMemFetchDataU32_ZX_U64(PVMCPUCC pVCpu, uint64_t *pu64Dst, uint8_t iSegReg, RTGCPTR GCPtrMem) RT_NOEXCEPT;
 VBOXSTRICTRC    iemMemFetchDataU64(PVMCPUCC pVCpu, uint64_t *pu64Dst, uint8_t iSegReg, RTGCPTR GCPtrMem) RT_NOEXCEPT;
+VBOXSTRICTRC    iemMemFetchDataU64NoAc(PVMCPUCC pVCpu, uint64_t *pu64Dst, uint8_t iSegReg, RTGCPTR GCPtrMem) RT_NOEXCEPT;
 VBOXSTRICTRC    iemMemFetchDataU64AlignedU128(PVMCPUCC pVCpu, uint64_t *pu64Dst, uint8_t iSegReg, RTGCPTR GCPtrMem) RT_NOEXCEPT;
 VBOXSTRICTRC    iemMemFetchDataR80(PVMCPUCC pVCpu, PRTFLOAT80U pr80Dst, uint8_t iSegReg, RTGCPTR GCPtrMem) RT_NOEXCEPT;
@@ -6509 +6511 @@
 IEM_CIMPL_PROTO_4(iemCImpl_vpmaskmovq_store_u128, uint8_t, iEffSeg, RTGCPTR, GCPtrEffDst, uint8_t, iXRegMsk, uint8_t, iXRegSrc);
 IEM_CIMPL_PROTO_4(iemCImpl_vpmaskmovq_store_u256, uint8_t, iEffSeg, RTGCPTR, GCPtrEffDst, uint8_t, iYRegMsk, uint8_t, iYRegSrc);
+IEM_CIMPL_PROTO_2(iemCImpl_vpgather_worker_xx, uint32_t, u32PackedArgs, uint32_t, u32Disp);
 
 /** @} */
@@ -6822 +6825 @@
 DECLHIDDEN(struct IEMNATIVEPERCHUNKCTX const *) iemNativeRecompileAttachExecMemChunkCtx(PVMCPU pVCpu, uint32_t idxChunk);
 
+/** Packed 32-bit argument for iemCImpl_vpgather_worker_xx. */
+typedef union IEMGATHERARGS
+{
+    /** Integer view. */
+    uint32_t u;
+    /** Bitfield view. */
+    struct
+    {
+        uint32_t iYRegDst       : 4; /**<  0 - XMM or YMM register number (destination) */
+        uint32_t iYRegIdc       : 4; /**<  4 - XMM or YMM register number (indices)     */
+        uint32_t iYRegMsk       : 4; /**<  8 - XMM or YMM register number (mask)        */
+        uint32_t iGRegBase      : 4; /**< 12 - general register number    (base ptr)    */
+        uint32_t iScale         : 2; /**< 16 - scale factor               (1/2/4/8)     */
+        uint32_t enmEffOpSize   : 2; /**< 18 - operand size               (16/32/64/--) */
+        uint32_t enmEffAddrMode : 2; /**< 20 - addressing  mode           (16/32/64/--) */
+        uint32_t iEffSeg        : 3; /**< 22 - effective segment (ES/CS/SS/DS/FS/GS)    */
+        uint32_t fVex256        : 1; /**< 25 - overall instruction width (128/256 bits) */
+        uint32_t fIdxQword      : 1; /**< 26 - individual index width     (4/8 bytes)   */
+        uint32_t fValQword      : 1; /**< 27 - individual value width     (4/8 bytes)   */
+    } s;
+} IEMGATHERARGS;
+AssertCompileSize(IEMGATHERARGS, sizeof(uint32_t));
+
 #endif /* !RT_IN_ASSEMBLER - ASM-NOINC-END */
 

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

@@ -2839 +2839 @@
 /**
  * Defers the rest of the instruction emulation to a C implementation routine
- * and returns, taking two arguments in addition to the standard ones.
+ * and returns, taking five arguments in addition to the standard ones.
  *
  * @param   a_fFlags        IEM_CIMPL_F_XXX.