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From: "Gerd Hoffmann" <kraxel@redhat.com>
To: devel@edk2.groups.io
Cc: "Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"Anthony Perard" <anthony.perard@citrix.com>,
	"Gerd Hoffmann" <kraxel@redhat.com>,
	"Ard Biesheuvel" <ardb+tianocore@kernel.org>,
	"Jiewen Yao" <jiewen.yao@intel.com>,
	"Jordan Justen" <jordan.l.justen@intel.com>,
	"Julien Grall" <julien@xen.org>,
	"Stefan Berger" <stefanb@linux.ibm.com>
Subject: [PATCH 11/17] OvmfPkg/Microvm: PlatformPei/MemDetect tweaks
Date: Tue, 31 Aug 2021 11:57:08 +0200	[thread overview]
Message-ID: <20210831095714.2834550-12-kraxel@redhat.com> (raw)
In-Reply-To: <20210831095714.2834550-1-kraxel@redhat.com>

Skip host bridge setup on microvm.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 OvmfPkg/PlatformPei/MemDetect.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/OvmfPkg/PlatformPei/MemDetect.c b/OvmfPkg/PlatformPei/MemDetect.c
index 2c2c4641ec8a..d736b85e0d90 100644
--- a/OvmfPkg/PlatformPei/MemDetect.c
+++ b/OvmfPkg/PlatformPei/MemDetect.c
@@ -135,6 +135,10 @@ QemuUc32BaseInitialization (
   UINT32 LowerMemorySize;
   UINT32 Uc32Size;
 
+  if (mHostBridgeDevId == 0xffff /* microvm */) {
+    return;
+  }
+
   if (mHostBridgeDevId == INTEL_Q35_MCH_DEVICE_ID) {
     //
     // On q35, the 32-bit area that we'll mark as UC, through variable MTRRs,
-- 
2.31.1


  parent reply	other threads:[~2021-08-31  9:57 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-31  9:56 [PATCH 00/17] [RFC] OvmfPkg: Add support for microvm machine type Gerd Hoffmann
2021-08-31  9:56 ` [PATCH 01/17] OvmfPkg/Microvm: copy OvmfPkgX64 files as-is Gerd Hoffmann
2021-08-31  9:56 ` [PATCH 02/17] OvmfPkg/Microvm: rename output files, fix includes Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 03/17] OvmfPkg/Microvm: no smm Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 04/17] OvmfPkg/Microvm: no secure boot Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 05/17] OvmfPkg/Microvm: no tpm Gerd Hoffmann
2021-09-01 21:17   ` Stefan Berger
2021-08-31  9:57 ` [PATCH 06/17] OvmfPkg/Microvm: no sev Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 07/17] OvmfPkg/Microvm: no csm Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 08/17] OvmfPkg/Microvm: no emulated scsi Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 09/17] OvmfPkg/Microvm: use MdePkg/Library/SecPeiDxeTimerLibCpu Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 10/17] OvmfPkg/Microvm: use XenTimerDxe (lapic timer) Gerd Hoffmann
2021-08-31 16:25   ` [edk2-devel] " Philippe Mathieu-Daudé
2021-09-01  7:19     ` Gerd Hoffmann
2021-09-01  7:37       ` Ard Biesheuvel
2021-08-31  9:57 ` Gerd Hoffmann [this message]
2021-08-31  9:57 ` [PATCH 12/17] OvmfPkg/Microvm: PlatformPei/Platform memory map tweaks Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 13/17] OvmfPkg/Microvm: PlatformPei/Platform misc tweaks Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 14/17] OvmfPkg/ResetSystemLib: add driver for microvm Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 15/17] OvmfPkg/Microvm: BdsPlatform: PciAcpiInitialization tweak Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 16/17] OvmfPkg/Microvm: use PciHostBridgeLibNull Gerd Hoffmann
2021-08-31  9:57 ` [PATCH 17/17] OvmfPkg/Microvm: wire up serial console, drop super-io Gerd Hoffmann
2021-08-31 10:23 ` [edk2-devel] [PATCH 00/17] [RFC] OvmfPkg: Add support for microvm machine type Ard Biesheuvel
2021-08-31 11:41   ` Gerd Hoffmann
2021-08-31 10:31 ` Yao, Jiewen
2021-08-31 11:26   ` Gerd Hoffmann
2021-08-31 14:32     ` Yao, Jiewen
2021-09-01  7:24       ` Gerd Hoffmann
2021-09-03  4:12         ` [edk2-devel] " Yao, Jiewen

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