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[PATCH v5 19/26] i386/pc: Add e820 entry for SGX EPC section(s)
From: |
Paolo Bonzini |
Subject: |
[PATCH v5 19/26] i386/pc: Add e820 entry for SGX EPC section(s) |
Date: |
Fri, 24 Sep 2021 13:25:02 +0200 |
From: Sean Christopherson <sean.j.christopherson@intel.com>
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>
---
hw/i386/pc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 58700af138..1260fb6197 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -883,6 +883,10 @@ 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))) {
--
2.31.1
- [PATCH v5 16/26] Adjust min CPUID level to 0x12 when SGX is enabled, (continued)
- [PATCH v5 16/26] Adjust min CPUID level to 0x12 when SGX is enabled, Paolo Bonzini, 2021/09/24
- [PATCH v5 18/26] hw/i386/pc: Account for SGX EPC sections when calculating device memory, Paolo Bonzini, 2021/09/24
- [PATCH v5 11/26] i386: Add get/set/migrate support for SGX_LEPUBKEYHASH MSRs, Paolo Bonzini, 2021/09/24
- [PATCH v5 03/26] hostmem: Add hostmem-epc as a backend for SGX EPC, Paolo Bonzini, 2021/09/24
- [PATCH v5 07/26] i386: Add primary SGX CPUID and MSR defines, Paolo Bonzini, 2021/09/24
- [PATCH v5 08/26] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EAX, Paolo Bonzini, 2021/09/24
- [PATCH v5 14/26] i386: kvm: Add support for exposing PROVISIONKEY to guest, Paolo Bonzini, 2021/09/24
- [PATCH v5 17/26] hw/i386/fw_cfg: Set SGX bits in feature control fw_cfg accordingly, Paolo Bonzini, 2021/09/24
- [PATCH v5 20/26] i386: acpi: Add SGX EPC entry to ACPI tables, Paolo Bonzini, 2021/09/24
- [PATCH v5 21/26] q35: Add support for SGX EPC, Paolo Bonzini, 2021/09/24
- [PATCH v5 19/26] i386/pc: Add e820 entry for SGX EPC section(s),
Paolo Bonzini <=
- [PATCH v5 22/26] i440fx: Add support for SGX EPC, Paolo Bonzini, 2021/09/24
- [PATCH v5 26/26] target/i386: Add the query-sgx-capabilities QMP command, Paolo Bonzini, 2021/09/24
- [PATCH v5 24/26] docs/system: Add SGX documentation to the system manual, Paolo Bonzini, 2021/09/24
- [PATCH v5 25/26] target/i386: Add HMP and QMP interfaces for SGX, Paolo Bonzini, 2021/09/24
- [PATCH v5 23/26] sgx-epc: Add the fill_device_info() callback support, Paolo Bonzini, 2021/09/24