Changeset 91785 in vbox for trunk

Timestamp:

Oct 17, 2021 1:35:07 PM (3 years ago)

Author:

vboxsync

Message:

SUPDrv: Added SUPR0HCPhysToVirt implementation for FreeBSD (untested). bugref:9627

Location:

trunk

Files:

• include/VBox/sup.h (modified) (1 diff)
• src/VBox/HostDrivers/Support/SUPDrv.cpp (modified) (1 diff)
• src/VBox/HostDrivers/Support/freebsd/SUPDrv-freebsd.c (modified) (2 diffs)

trunk/include/VBox/sup.h

@@ -2145 +2145 @@
 SUPR0DECL(void) SUPR0BadContext(PSUPDRVSESSION pSession, const char *pszFile, uint32_t uLine, const char *pszExpr);
 
-#if defined(RT_OS_LINUX) || defined(RT_OS_SOLARIS)
+#if defined(RT_OS_LINUX) || defined(RT_OS_SOLARIS) || defined(RT_OS_FREEBSD)
 /**
  * Translates a physical address to a virtual mapping (valid up to end of page).

trunk/src/VBox/HostDrivers/Support/SUPDrv.cpp

@@ -238 +238 @@
     { STKBACK("SUPR0PageMapKernel"),                     (void *)(uintptr_t)SUPR0PageMapKernel },
     { STKBACK("SUPR0PageProtect"),                       (void *)(uintptr_t)SUPR0PageProtect },
-#if defined(RT_OS_LINUX) || defined(RT_OS_SOLARIS)
-    { STKBACK("SUPR0HCPhysToVirt"),                      (void *)(uintptr_t)SUPR0HCPhysToVirt },         /* only-linux, only solaris */
+#if defined(RT_OS_LINUX) || defined(RT_OS_SOLARIS) || defined(RT_OS_FREEBSD)
+    { STKOKAY("SUPR0HCPhysToVirt"),                      (void *)(uintptr_t)SUPR0HCPhysToVirt },         /* only-linux, only-solaris, only-freebsd */
 #endif
     { STKBACK("SUPR0Printf"),                            (void *)(uintptr_t)SUPR0Printf },

trunk/src/VBox/HostDrivers/Support/freebsd/SUPDrv-freebsd.c

@@ -45 +45 @@
 #include <sys/conf.h>
 #include <sys/uio.h>
+#include <vm/pmap.h> /* for pmap_map() */
 
 #include "../SUPDrvInternal.h"
@@ -638 +639 @@
 
 
+#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_ARM64)
+SUPR0DECL(int) SUPR0HCPhysToVirt(RTHCPHYS HCPhys, void **ppv)
+{
+    AssertReturn(!(HCPhys & PAGE_OFFSET_MASK), VERR_INVALID_POINTER);
+    AssertReturn(HCPhys != NIL_RTHCPHYS, VERR_INVALID_POINTER);
+    *ppv = (void *)(uintptr_t)pmap_map(NULL, HCPhys, (HCPhys | PAGE_OFFSET_MASK) + 1, VM_PROT_WRITE | VM_PROT_READ);
+    return VINF_SUCCESS;
+}
+#endif
+
+
 SUPR0DECL(int) SUPR0Printf(const char *pszFormat, ...)
 {