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[Qemu-devel] [PATCH 19/23] Add VMState support for int32_t check value
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 19/23] Add VMState support for int32_t check value |
Date: |
Thu, 20 Aug 2009 19:42:37 +0200 |
We read the saved value and check that it is less or equal than the one
stored in the structure.
Signed-off-by: Juan Quintela <address@hidden>
---
hw/hw.h | 4 ++++
savevm.c | 20 ++++++++++++++++++++
2 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/hw/hw.h b/hw/hw.h
index 4713967..c574b47 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -314,6 +314,7 @@ extern const VMStateInfo vmstate_info_int32;
extern const VMStateInfo vmstate_info_int64;
extern const VMStateInfo vmstate_info_int32_equal;
+extern const VMStateInfo vmstate_info_int32_le;
extern const VMStateInfo vmstate_info_uint8;
extern const VMStateInfo vmstate_info_uint16;
@@ -446,6 +447,9 @@ extern const VMStateInfo vmstate_info_buffer;
#define VMSTATE_INT32_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
+#define VMSTATE_INT32_LE(_f, _s) \
+ VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
+
#define VMSTATE_TIMER_V(_f, _s, _v) \
VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
diff --git a/savevm.c b/savevm.c
index 1b448b9..4879cf6 100644
--- a/savevm.c
+++ b/savevm.c
@@ -693,6 +693,26 @@ const VMStateInfo vmstate_info_int32_equal = {
.put = put_int32,
};
+/* 32 bit int. See that the received value is the less or the same
+ than the one in the field */
+
+static int get_int32_le(QEMUFile *f, void *pv, size_t size)
+{
+ int32_t *old = pv;
+ int32_t new;
+ qemu_get_sbe32s(f, &new);
+
+ if (*old <= new)
+ return 0;
+ return -EINVAL;
+}
+
+const VMStateInfo vmstate_info_int32_le = {
+ .name = "int32 equal",
+ .get = get_int32_le,
+ .put = put_int32,
+};
+
/* 64 bit int */
static int get_int64(QEMUFile *f, void *pv, size_t size)
--
1.6.2.5
- [Qemu-devel] [PATCH 12/23] Add VMState support for arrays of structs, (continued)
- [Qemu-devel] [PATCH 14/23] Add VMState support for int32_t check value, Juan Quintela, 2009/08/20
- [Qemu-devel] [PATCH 18/23] Port PS2 devices to VMState design, Juan Quintela, 2009/08/20
- [Qemu-devel] [PATCH 17/23] Add VMState support for static sized buffers (uint_8), Juan Quintela, 2009/08/20
- [Qemu-devel] [PATCH 19/23] Add VMState support for int32_t check value,
Juan Quintela <=
- [Qemu-devel] [PATCH 22/23] Add VMState support to run a function after load, Juan Quintela, 2009/08/20
- [Qemu-devel] [PATCH 21/23] Port PCIDevice state to VMState, Juan Quintela, 2009/08/20
[Qemu-devel] [PATCH 20/23] Add version_id to PCIDevice., Juan Quintela, 2009/08/20
[Qemu-devel] [PATCH 23/23] Port ACPI to VMState, Juan Quintela, 2009/08/20
Re: [Qemu-devel] [PATCH 00/23] New VMState table based load/save infrastructure, Gerd Hoffmann, 2009/08/21