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[Qemu-devel] [PATCH 05/23] memory: add memory_region_is_rom()
From: |
Avi Kivity |
Subject: |
[Qemu-devel] [PATCH 05/23] memory: add memory_region_is_rom() |
Date: |
Mon, 19 Dec 2011 16:13:26 +0200 |
Signed-off-by: Avi Kivity <address@hidden>
---
memory.c | 5 +++++
memory.h | 9 +++++++++
2 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/memory.c b/memory.c
index 6fd31d4..c57b7de 100644
--- a/memory.c
+++ b/memory.c
@@ -1073,6 +1073,11 @@ bool memory_region_is_ram(MemoryRegion *mr)
return mr->ram;
}
+bool memory_region_is_rom(MemoryRegion *mr)
+{
+ return mr->ram && mr->readonly;
+}
+
void memory_region_set_offset(MemoryRegion *mr, target_phys_addr_t offset)
{
mr->offset = offset;
diff --git a/memory.h b/memory.h
index 13f88c0..42546c4 100644
--- a/memory.h
+++ b/memory.h
@@ -294,6 +294,15 @@ uint64_t memory_region_size(MemoryRegion *mr);
bool memory_region_is_ram(MemoryRegion *mr);
/**
+ * memory_region_is_rom: check whether a memory region is ROM
+ *
+ * Returns %true is a memory region is read-only memory.
+ *
+ * @mr: the memory region being queried
+ */
+bool memory_region_is_rom(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 <=
- [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, 2011/12/19
- [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