Changeset 108824 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Apr 2, 2025 7:12:26 AM (5 weeks ago)

Author:

vboxsync

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

168270

Message:

VMM/GIC: bugref:10877 GITS work-in-progress. LPI config table work.

File:

• trunk/src/VBox/VMM/VMMAll/GICAll.cpp (modified) (4 diffs)

trunk/src/VBox/VMM/VMMAll/GICAll.cpp

@@ -2319 +2319 @@
             break;
         case GIC_REDIST_REG_CTLR_OFF:
-            *puValue = GIC_REDIST_REG_CTLR_CES_SET(1);
+            *puValue = pGicDev->fEnableLpis ? GIC_DIST_REG_CTLR_ENABLE_LPI : 0
+                     | GIC_REDIST_REG_CTLR_CES_SET(1);
+            break;
+        case GIC_REDIST_REG_PROPBASER_OFF:
+            *puValue = pGicDev->uLpiConfigBaseReg.s.Lo;
+            break;
+        case GIC_REDIST_REG_PROPBASER_OFF + 4:
+            *puValue = pGicDev->uLpiConfigBaseReg.s.Hi;
             break;
         default:
@@ -2438 +2445 @@
 {
     VMCPU_ASSERT_EMT(pVCpu);
-    RT_NOREF(pDevIns, pVCpu, uValue);
+    RT_NOREF(pVCpu, uValue);
 
     VBOXSTRICTRC rcStrict = VINF_SUCCESS;
+    PGICDEV      pGicDev  = PDMDEVINS_2_DATA(pDevIns, PGICDEV);
     switch (offReg)
     {
         case GIC_REDIST_REG_WAKER_OFF:
             Assert(uValue == 0);
+            break;
+        case GIC_REDIST_REG_PROPBASER_OFF:
+            pGicDev->uLpiConfigBaseReg.s.Lo = uValue & RT_LO_U32(GIC_REDIST_REG_PROPBASER_RW_MASK);
+            break;
+        case GIC_REDIST_REG_PROPBASER_OFF + 4:
+            pGicDev->uLpiConfigBaseReg.s.Hi = uValue & RT_HI_U32(GIC_REDIST_REG_PROPBASER_RW_MASK);
             break;
         default:
@@ -3061 +3075 @@
     PGICDEV  pGicDev  = PDMDEVINS_2_DATA(pDevIns, PGICDEV);
 
+    /* Distributor. */
     RT_ZERO(pGicDev->bmIntrGroup);
     RT_ZERO(pGicDev->bmIntrConfig);
@@ -3072 +3087 @@
     pGicDev->fIntrGroup1Enabled = false;
     pGicDev->fAffRoutingEnabled = true; /* GICv2 backwards compatibility is not implemented, so this is RA1/WI. */
+
+    /* LPIs. */
     RT_ZERO(pGicDev->bmLpiPending);
     RT_ZERO(pGicDev->abLpiConfig);
-
+    pGicDev->uLpiConfigBaseReg.u = 0;
+    pGicDev->fEnableLpis = false;
+
+    /* GITS. */
     PGITSDEV pGitsDev = &pGicDev->Gits;
     gitsInit(pGitsDev);