add function to free memory from Qemu that was added via
qemu_ram_alloc_from_ptr. Name is a little weird. This is copied from
qemu_ram_unmap from qemu-kvm.
Signed-off-by: Cam Macdonell <c...@cs.ualberta.ca>
---
cpu-common.h | 1 +
exec.c | 13 +++++++++++++
2 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/cpu-common.h b/cpu-common.h
index a543b5d..3f802e1 100644
--- a/cpu-common.h
+++ b/cpu-common.h
@@ -44,6 +44,7 @@ ram_addr_t qemu_ram_alloc_from_ptr(DeviceState *dev, const
char *name,
ram_addr_t size, void *host);
ram_addr_t qemu_ram_alloc(DeviceState *dev, const char *name, ram_addr_t size);
void qemu_ram_free(ram_addr_t addr);
+void qemu_ram_free_from_ptr(ram_addr_t addr);
/* This should only be used for ram local to a device. */
void *qemu_get_ram_ptr(ram_addr_t addr);
/* This should not be used by devices. */
diff --git a/exec.c b/exec.c
index db9ff55..1f5c8f8 100644
--- a/exec.c
+++ b/exec.c
@@ -2875,6 +2875,19 @@ ram_addr_t qemu_ram_alloc(DeviceState *dev, const char
*name, ram_addr_t size)
return qemu_ram_alloc_from_ptr(dev, name, size, NULL);
}
+void qemu_ram_free_from_ptr(ram_addr_t addr)
+{
+ RAMBlock *block;
+
+ QLIST_FOREACH(block, &ram_list.blocks, next) {
+ if (addr == block->offset) {
+ QLIST_REMOVE(block, next);
+ qemu_free(block);
+ return;
+ }
+ }
+}
+
void qemu_ram_free(ram_addr_t addr)
{
RAMBlock *block;
--
1.7.0.4
