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authorSean Christopherson <sean.j.christopherson@intel.com>2021-07-19 19:21:21 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2021-09-30 15:30:24 +0200
commit1ed1ccc5a429b3fb35d9756f911eb652a6ab00c5 (patch)
treeccd37dfce6693922dc0d468c83d4a092cb2ce9bb
parent0cf4ce00d2255ef48d560d36559e7a4cda41748b (diff)
downloadqemu-arm-1ed1ccc5a429b3fb35d9756f911eb652a6ab00c5.tar.gz
i386/pc: Add e820 entry for SGX EPC section(s)
Note that SGX EPC is currently guaranteed to reside in a single contiguous chunk of memory regardless of the number of EPC sections. Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Yang Zhong <yang.zhong@intel.com> Message-Id: <20210719112136.57018-19-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--hw/i386/pc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index e41c002539..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))) {