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[PULL 19/33] i386/pc: Add e820 entry for SGX EPC section(s)
From: |
Paolo Bonzini |
Subject: |
[PULL 19/33] i386/pc: Add e820 entry for SGX EPC section(s) |
Date: |
Tue, 28 Sep 2021 14:51:02 +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 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))) {
--
2.31.1
- [PULL 26/33] target/i386: Add the query-sgx-capabilities QMP command, (continued)
- [PULL 26/33] target/i386: Add the query-sgx-capabilities QMP command, Paolo Bonzini, 2021/09/28
- [PULL 31/33] memory: Add tracepoint for dirty sync, Paolo Bonzini, 2021/09/28
- [PULL 28/33] tests: qtest: bios-tables-test depends on the unpacked edk2 ROMs, Paolo Bonzini, 2021/09/28
- [PULL 33/33] meson_options.txt: Switch the default value for the vnc option to 'auto', Paolo Bonzini, 2021/09/28
- [PULL 02/33] Kconfig: Add CONFIG_SGX support, Paolo Bonzini, 2021/09/28
- [PULL 05/33] i386: Add 'sgx-epc' device to expose EPC sections to guest, Paolo Bonzini, 2021/09/28
- [PULL 15/33] i386: Propagate SGX CPUID sub-leafs to KVM, Paolo Bonzini, 2021/09/28
- [PULL 18/33] hw/i386/pc: Account for SGX EPC sections when calculating device memory, Paolo Bonzini, 2021/09/28
- [PULL 17/33] hw/i386/fw_cfg: Set SGX bits in feature control fw_cfg accordingly, Paolo Bonzini, 2021/09/28
- [PULL 20/33] i386: acpi: Add SGX EPC entry to ACPI tables, Paolo Bonzini, 2021/09/28
- [PULL 19/33] i386/pc: Add e820 entry for SGX EPC section(s),
Paolo Bonzini <=
- [PULL 29/33] target/i386: Fix memory leak in sev_read_file_base64(), Paolo Bonzini, 2021/09/28
- [PULL 03/33] hostmem: Add hostmem-epc as a backend for SGX EPC, Paolo Bonzini, 2021/09/28
- [PULL 21/33] q35: Add support for SGX EPC, Paolo Bonzini, 2021/09/28
- [PULL 23/33] sgx-epc: Add the fill_device_info() callback support, Paolo Bonzini, 2021/09/28
- [PULL 27/33] meson: unpack edk2 firmware even if --disable-blobs, Paolo Bonzini, 2021/09/28
- [PULL 24/33] docs/system: Add SGX documentation to the system manual, Paolo Bonzini, 2021/09/28
- [PULL 30/33] memory: Name all the memory listeners, Paolo Bonzini, 2021/09/28
- [PULL 32/33] build-sys: add HAVE_IPPROTO_MPTCP, Paolo Bonzini, 2021/09/28
- [PULL 25/33] target/i386: Add HMP and QMP interfaces for SGX, Paolo Bonzini, 2021/09/28
- Re: [PULL 00/33] x86 and misc changes for 2021-09-28, Peter Maydell, 2021/09/29