Changeset 108131 in vbox

Timestamp:

Feb 10, 2025 10:37:31 AM (11 days ago)

Author:

vboxsync

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

167430

Message:

Runtime/RTAcpi*: Add method to dump the ACPI table to a memory buffer, bugref:10733

Location:

trunk

Files:

• include/iprt/acpi.h (modified) (1 diff)
• include/iprt/mangling.h (modified) (1 diff)
• src/VBox/Runtime/common/acpi/acpi.cpp (modified) (1 diff)

trunk/include/iprt/acpi.h

@@ -197 +197 @@
  */
 RTDECL(int) RTAcpiTblDumpToFile(RTACPITBL hAcpiTbl, RTACPITBLTYPE enmOutType, const char *pszFilename);
+
+
+/**
+ * Dumps the given ACPI table to a memory buffer allocated with RTMemAlloc() and returns the pointer
+ * to the allocated memory.
+ *
+ * @returns IPRT status code.
+ * @param   hAcpiTbl            The ACPI table handle.
+ * @param   enmOutType          The output type.
+ * @param   ppbAcpiTbl          Where to store the pointer to the ACPI table on success.
+ * @param   pcbAcpiTbl          Where to store the size of the ACPI table in bytes on success.
+ *
+ * @note The caller has to free the buffer with RTMemFree().
+ */
+RTDECL(int) RTAcpiTblDumpToBufferA(RTACPITBL hAcpiTbl, RTACPITBLTYPE enmOutType, uint8_t **ppbAcpiTbl, size_t *pcbAcpiTbl);
 
 

trunk/include/iprt/mangling.h

@@ -400 +400 @@
 # define RTAcpiTblDeviceStartF                          RT_MANGLER(RTAcpiTblDeviceStartF)
 # define RTAcpiTblDeviceStartV                          RT_MANGLER(RTAcpiTblDeviceStartV)
+# define RTAcpiTblDumpToBufferA                         RT_MANGLER(RTAcpiTblDumpToBufferA)
 # define RTAcpiTblDumpToFile                            RT_MANGLER(RTAcpiTblDumpToFile)
 # define RTAcpiTblDumpToVfsIoStrm                       RT_MANGLER(RTAcpiTblDumpToVfsIoStrm)

trunk/src/VBox/Runtime/common/acpi/acpi.cpp

@@ -778 +778 @@
 
 
+RTDECL(int) RTAcpiTblDumpToBufferA(RTACPITBL hAcpiTbl, RTACPITBLTYPE enmOutType, uint8_t **ppbAcpiTbl, size_t *pcbAcpiTbl)
+{
+    PRTACPITBLINT pThis = hAcpiTbl;
+    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
+    AssertPtrReturn(ppbAcpiTbl, VERR_INVALID_POINTER);
+    AssertPtrReturn(pcbAcpiTbl, VERR_INVALID_POINTER);
+    AssertRCReturn(pThis->rcErr, 0);
+    AssertReturn(pThis->fFinalized, VERR_INVALID_STATE);
+    AssertReturn(enmOutType == RTACPITBLTYPE_AML, VERR_NOT_SUPPORTED);
+
+    *ppbAcpiTbl = (uint8_t *)RTMemDup(pThis->pbTblBuf, pThis->paPkgStack[0].cbPkg);
+    *pcbAcpiTbl = pThis->paPkgStack[0].cbPkg;
+    return *ppbAcpiTbl != NULL ? VINF_SUCCESS : VERR_NO_MEMORY;
+}
+
+
 RTDECL(int) RTAcpiTblScopeFinalize(RTACPITBL hAcpiTbl)
 {