Changeset 97231 in vbox for trunk/include/iprt

Timestamp:

Oct 19, 2022 9:12:57 AM (2 years ago)

Author:

vboxsync

Message:

VMM/CPUM: Define our own X86EFLAGS/X86RFLAGS structures so we can use reserved bits for internal state.

File:

• trunk/include/iprt/x86.h (modified) (1 diff)

trunk/include/iprt/x86.h

@@ -231 +231 @@
 /** Read as 1 bits. */
 #define X86_EFL_RA1_MASK    RT_BIT_32(1)
+/** Read as 0 bits, excluding bits 31:22.
+ * Bits 3, 5, 15, and 22 thru 31. */
+#define X86_EFL_RAZ_MASK    UINT32_C(0xffc08028)
+/** Read as 0 bits, excluding bits 31:22.
+ * Bits 3, 5 and 15. */
+#define X86_EFL_RAZ_LO_MASK UINT32_C(0x00008028)
 /** IOPL shift. */
 #define X86_EFL_IOPL_SHIFT  12