From 1ed1ccc5a429b3fb35d9756f911eb652a6ab00c5 Mon Sep 17 00:00:00 2001 From: Sean Christopherson Date: Mon, 19 Jul 2021 19:21:21 +0800 Subject: [PATCH] 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 Signed-off-by: Yang Zhong Message-Id: <20210719112136.57018-19-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini --- hw/i386/pc.c | 4 ++++ 1 file changed, 4 insertions(+) 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))) { -- 2.39.5