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[Qemu-devel] [RFC PATCH v2 14/49] ide pci: reset status field before loa
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [RFC PATCH v2 14/49] ide pci: reset status field before loading the vmstate |
Date: |
Thu, 17 Jul 2014 15:03:18 +0400 |
User-agent: |
StGit/0.16 |
This patch resets status field before loading the state of IDE BMDMA device.
Resetting status is needed for replay, because it does not reset whole virtual
machine before loading state of the VM.
Signed-off-by: Pavel Dovgalyuk <address@hidden>
---
hw/ide/pci.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/hw/ide/pci.c b/hw/ide/pci.c
index 6257a21..47ab24d 100644
--- a/hw/ide/pci.c
+++ b/hw/ide/pci.c
@@ -382,6 +382,15 @@ static bool ide_bmdma_status_needed(void *opaque)
return ((bm->status & abused_bits) != 0);
}
+static int ide_bmdma_pre_load(void *opaque)
+{
+ BMDMAState *bm = opaque;
+ /* Reset is not performed in replay mode,
+ so reset status manually to allow ide_bmdma_post_load function
initialize it. */
+ bm->status = 0;
+ return 0;
+}
+
static void ide_bmdma_pre_save(void *opaque)
{
BMDMAState *bm = opaque;
@@ -434,6 +443,7 @@ static const VMStateDescription vmstate_bmdma = {
.name = "ide bmdma",
.version_id = 3,
.minimum_version_id = 0,
+ .pre_load = ide_bmdma_pre_load,
.pre_save = ide_bmdma_pre_save,
.fields = (VMStateField[]) {
VMSTATE_UINT8(cmd, BMDMAState),
- [Qemu-devel] [RFC PATCH v2 15/49] softmmu: fixing usage of cpu_st/ld* from helpers, (continued)
- [Qemu-devel] [RFC PATCH v2 15/49] softmmu: fixing usage of cpu_st/ld* from helpers, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 32/49] replay: checkpoints, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 26/49] replay: interrupts and exceptions, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 19/49] replay: global variables and function stubs, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 36/49] pl031: vmstate in replay mode, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 35/49] replay: thread pool, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 28/49] replay: asynchronous events infrastructure, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 37/49] replay: initialization and deinitialization, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 11/49] piix: do not raise irq while loading vmstate, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 41/49] tap-win32: destroy the thread at exit, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 14/49] ide pci: reset status field before loading the vmstate,
Pavel Dovgalyuk <=
- [Qemu-devel] [RFC PATCH v2 30/49] replay: recording and replaying different timers, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 40/49] replay: recording of the user input, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 34/49] replay: replay aio requests, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 21/49] sysemu: system functions for replay, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 23/49] cpu: invent instruction count for accurate replay, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 16/49] target: save cpu state fields, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 29/49] replay: recording and replaying clock ticks, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 12/49] mc146818rtc: add missed field to vmstate, Pavel Dovgalyuk, 2014/07/17