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[Qemu-devel] [PATCH 6/6] [wip] tseg, part2, not (yet) tested
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH 6/6] [wip] tseg, part2, not (yet) tested |
Date: |
Mon, 20 Apr 2015 11:19:20 +0200 |
add tseg window to smram region, so cpus can access it in smm mode.
Signed-off-by: Gerd Hoffmann <address@hidden>
---
hw/pci-host/q35.c | 13 +++++++++++++
include/hw/pci-host/q35.h | 2 +-
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 412ff0a..7d21399 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -345,6 +345,13 @@ static void mch_update_smram(MCHPCIState *mch)
mch->below_4g_mem_size - tseg_size,
&mch->tseg_blackhole, 1);
+ memory_region_set_enabled(&mch->tseg_window, tseg_size);
+ memory_region_set_size(&mch->tseg_window, tseg_size);
+ memory_region_set_address(&mch->tseg_window,
+ mch->below_4g_mem_size - tseg_size);
+ memory_region_set_alias_offset(&mch->tseg_window,
+ mch->below_4g_mem_size - tseg_size);
+
memory_region_transaction_commit();
}
@@ -500,6 +507,12 @@ static void mch_realize(PCIDevice *d, Error **errp)
mch->below_4g_mem_size,
&mch->tseg_blackhole, 1);
+ memory_region_init_alias(&mch->tseg_window, OBJECT(mch), "tseg-window",
+ mch->ram_memory, mch->below_4g_mem_size, 0);
+ memory_region_set_enabled(&mch->tseg_window, false);
+ memory_region_add_subregion(&mch->smram, mch->below_4g_mem_size,
+ &mch->tseg_window);
+
init_pam(DEVICE(mch), mch->ram_memory, mch->system_memory,
mch->pci_address_space, &mch->pam_regions[0],
PAM_BIOS_BASE, PAM_BIOS_SIZE);
diff --git a/include/hw/pci-host/q35.h b/include/hw/pci-host/q35.h
index ba64c70..23b7700 100644
--- a/include/hw/pci-host/q35.h
+++ b/include/hw/pci-host/q35.h
@@ -55,7 +55,7 @@ typedef struct MCHPCIState {
PAMMemoryRegion pam_regions[13];
MemoryRegion smram_region, open_high_smram;
MemoryRegion smram, low_smram, high_smram;
- MemoryRegion tseg_blackhole;
+ MemoryRegion tseg_blackhole, tseg_window;
PcPciInfo pci_info;
ram_addr_t below_4g_mem_size;
ram_addr_t above_4g_mem_size;
--
1.8.3.1
- Re: [Qemu-devel] [PATCH 5/6] [wip] tseg, part1, not (yet) tested, (continued)
- Re: [Qemu-devel] [PATCH 5/6] [wip] tseg, part1, not (yet) tested, Laszlo Ersek, 2015/04/22
- Re: [Qemu-devel] [PATCH 5/6] [wip] tseg, part1, not (yet) tested, Laszlo Ersek, 2015/04/22
- Re: [Qemu-devel] [PATCH 5/6] [wip] tseg, part1, not (yet) tested, Gerd Hoffmann, 2015/04/23
- Re: [Qemu-devel] [PATCH 5/6] [wip] tseg, part1, not (yet) tested, Laszlo Ersek, 2015/04/23
- Re: [Qemu-devel] [PATCH 5/6] [wip] tseg, part1, not (yet) tested, Laszlo Ersek, 2015/04/23
- Re: [Qemu-devel] [PATCH 5/6] [wip] tseg, part1, not (yet) tested, Gerd Hoffmann, 2015/04/23
- Re: [Qemu-devel] [PATCH 5/6] [wip] tseg, part1, not (yet) tested, Laszlo Ersek, 2015/04/23
- Re: [Qemu-devel] [PATCH 5/6] [wip] tseg, part1, not (yet) tested, Paolo Bonzini, 2015/04/23
[Qemu-devel] [PATCH 6/6] [wip] tseg, part2, not (yet) tested,
Gerd Hoffmann <=
- Re: [Qemu-devel] [PATCH 6/6] [wip] tseg, part2, not (yet) tested, Laszlo Ersek, 2015/04/21
- Re: [Qemu-devel] [PATCH 6/6] [wip] tseg, part2, not (yet) tested, Paolo Bonzini, 2015/04/21
- Re: [Qemu-devel] [PATCH 6/6] [wip] tseg, part2, not (yet) tested, Laszlo Ersek, 2015/04/21
- Re: [Qemu-devel] [PATCH 6/6] [wip] tseg, part2, not (yet) tested, Gerd Hoffmann, 2015/04/21
- Re: [Qemu-devel] [PATCH 6/6] [wip] tseg, part2, not (yet) tested, Paolo Bonzini, 2015/04/21
- [Qemu-devel] implementing EFI_SMM_CONTROL2_PROTOCOL.Trigger() (was: [PATCH 6/6] [wip] tseg, part2, not (yet) tested), Laszlo Ersek, 2015/04/21
- Re: [Qemu-devel] implementing EFI_SMM_CONTROL2_PROTOCOL.Trigger(), Paolo Bonzini, 2015/04/21
- Re: [Qemu-devel] [edk2] implementing EFI_SMM_CONTROL2_PROTOCOL.Trigger() (was: [PATCH 6/6] [wip] tseg, part2, not (yet) tested), Yao, Jiewen, 2015/04/24
- Re: [Qemu-devel] [edk2] implementing EFI_SMM_CONTROL2_PROTOCOL.Trigger(), Paolo Bonzini, 2015/04/24
- Re: [Qemu-devel] [edk2] implementing EFI_SMM_CONTROL2_PROTOCOL.Trigger(), Yao, Jiewen, 2015/04/24