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[Qemu-devel] [PATCH 03/23] memory: add memory_region_is_ram()
From: |
Avi Kivity |
Subject: |
[Qemu-devel] [PATCH 03/23] memory: add memory_region_is_ram() |
Date: |
Mon, 19 Dec 2011 16:13:24 +0200 |
Signed-off-by: Avi Kivity <address@hidden>
---
memory.c | 8 ++++++++
memory.h | 10 ++++++++++
2 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/memory.c b/memory.c
index d8b7c27..6fd31d4 100644
--- a/memory.c
+++ b/memory.c
@@ -831,6 +831,7 @@ void memory_region_init(MemoryRegion *mr,
mr->addr = 0;
mr->offset = 0;
mr->terminates = false;
+ mr->ram = false;
mr->readable = true;
mr->readonly = false;
mr->destructor = memory_region_destructor_none;
@@ -997,6 +998,7 @@ void memory_region_init_ram(MemoryRegion *mr,
uint64_t size)
{
memory_region_init(mr, name, size);
+ mr->ram = true;
mr->terminates = true;
mr->destructor = memory_region_destructor_ram;
mr->ram_addr = qemu_ram_alloc(dev, name, size, mr);
@@ -1010,6 +1012,7 @@ void memory_region_init_ram_ptr(MemoryRegion *mr,
void *ptr)
{
memory_region_init(mr, name, size);
+ mr->ram = true;
mr->terminates = true;
mr->destructor = memory_region_destructor_ram_from_ptr;
mr->ram_addr = qemu_ram_alloc_from_ptr(dev, name, size, ptr, mr);
@@ -1065,6 +1068,11 @@ uint64_t memory_region_size(MemoryRegion *mr)
return int128_get64(mr->size);
}
+bool memory_region_is_ram(MemoryRegion *mr)
+{
+ return mr->ram;
+}
+
void memory_region_set_offset(MemoryRegion *mr, target_phys_addr_t offset)
{
mr->offset = offset;
diff --git a/memory.h b/memory.h
index 1d5c414..13f88c0 100644
--- a/memory.h
+++ b/memory.h
@@ -122,6 +122,7 @@ struct MemoryRegion {
IORange iorange;
bool terminates;
bool readable;
+ bool ram;
bool readonly; /* For RAM regions */
MemoryRegion *alias;
target_phys_addr_t alias_offset;
@@ -284,6 +285,15 @@ void memory_region_destroy(MemoryRegion *mr);
uint64_t memory_region_size(MemoryRegion *mr);
/**
+ * memory_region_is_ram: check whether a memory region is random access
+ *
+ * Returns %true is a memory region is random access.
+ *
+ * @mr: the memory region being queried
+ */
+bool memory_region_is_ram(MemoryRegion *mr);
+
+/**
* memory_region_get_ram_ptr: Get a pointer into a RAM memory region.
*
* Returns a host pointer to a RAM memory region (created with
--
1.7.7.1
- [Qemu-devel] [PATCH 00/23] Remove cpu_get_physical_page_desc(), Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 06/23] loader: remove calls to cpu_get_physical_page_desc(), Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 05/23] memory: add memory_region_is_rom(), Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 09/23] memory: add API for observing updates to the physical memory map, Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 04/23] framebuffer: drop use of cpu_get_physical_page_desc(), Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 19/23] kvm: avoid cpu_get_physical_page_desc(), Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 11/23] kvm: switch kvm slots to use host virtual address instead of ram_addr_t, Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 16/23] memory: temporarily add memory_region_get_ram_addr(), Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 03/23] memory: add memory_region_is_ram(),
Avi Kivity <=
- [Qemu-devel] [PATCH 20/23] vhost: avoid cpu_get_physical_page_desc(), Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 15/23] xen, vga: add API for registering the framebuffer, Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 12/23] fixup: listener fixes, Avi Kivity, 2011/12/19
- [Qemu-devel] [PATCH 01/23] memory: introduce memory_region_find(), Avi Kivity, 2011/12/19