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Diffstat (limited to 'hw/i386/pc.c')
-rw-r--r--hw/i386/pc.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 557d49c9f8..df457eceba 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -889,6 +889,10 @@ void pc_memory_init(PCMachineState *pcms,
         e820_add_entry(0x100000000ULL, x86ms->above_4g_mem_size, E820_RAM);
     }
 
+    if (pcms->sgx_epc.size != 0) {
+        e820_add_entry(pcms->sgx_epc.base, pcms->sgx_epc.size, E820_RESERVED);
+    }
+
     if (!pcmc->has_reserved_memory &&
         (machine->ram_slots ||
          (machine->maxram_size > machine->ram_size))) {
@@ -919,8 +923,15 @@ void pc_memory_init(PCMachineState *pcms,
             exit(EXIT_FAILURE);
         }
 
+        if (pcms->sgx_epc.size != 0) {
+            machine->device_memory->base = sgx_epc_above_4g_end(&pcms->sgx_epc);
+        } else {
+            machine->device_memory->base =
+                0x100000000ULL + x86ms->above_4g_mem_size;
+        }
+
         machine->device_memory->base =
-            ROUND_UP(0x100000000ULL + x86ms->above_4g_mem_size, 1 * GiB);
+            ROUND_UP(machine->device_memory->base, 1 * GiB);
 
         if (pcmc->enforce_aligned_dimm) {
             /* size device region assuming 1G page max alignment per slot */
@@ -1005,6 +1016,8 @@ uint64_t pc_pci_hole64_start(void)
         if (!pcmc->broken_reserved_end) {
             hole64_start += memory_region_size(&ms->device_memory->mr);
         }
+    } else if (pcms->sgx_epc.size != 0) {
+            hole64_start = sgx_epc_above_4g_end(&pcms->sgx_epc);
     } else {
         hole64_start = 0x100000000ULL + x86ms->above_4g_mem_size;
     }