Changeset 72490 in vbox for trunk/include

Timestamp:

Jun 9, 2018 3:11:13 PM (7 years ago)

Author:

vboxsync

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

122975

Message:

NEM,EM: Generic optimization of I/O port accesses that have to be executed in ring-3. Only NEM uses the feature for now. bugref:9044 bugref:9193

Location:

trunk/include/VBox

Files:

• err.h (modified) (1 diff)
• vmm/em.h (modified) (1 diff)

trunk/include/VBox/err.h

@@ -253 +253 @@
 /** Guest tried to trigger a CPU hang.  The guest is probably up to no good. */
 #define VERR_EM_GUEST_CPU_HANG              (-1158)
+/** Reason for leaving RZ: Pending ring-3 IN instruction. */
+#define VINF_EM_PENDING_R3_IOPORT_READ       1159
+/** Reason for leaving RZ: Pending ring-3 OUT instruction. */
+#define VINF_EM_PENDING_R3_IOPORT_WRITE      1160
 /** @} */
 

trunk/include/VBox/vmm/em.h

@@ -209 +209 @@
 VMM_INT_DECL(int)               EMMonitorWaitPerform(PVMCPU pVCpu, uint64_t rax, uint64_t rcx);
 VMM_INT_DECL(int)               EMUnhaltAndWakeUp(PVM pVM, PVMCPU pVCpuDst);
+VMMRZ_INT_DECL(VBOXSTRICTRC)    EMRZSetPendingIoPortWrite(PVMCPU pVCpu, RTIOPORT uPort, uint8_t cbInstr, uint8_t cbValue, uint32_t uValue);
+VMMRZ_INT_DECL(VBOXSTRICTRC)    EMRZSetPendingIoPortRead(PVMCPU pVCpu, RTIOPORT uPort, uint8_t cbInstr, uint8_t cbValue);
 
 /** @name Assembly routines