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memory, xen: pass MemoryRegion to xen_ram_alloc() 

Currently xen_ram_alloc() relies on ram_addr, which is going away.
Give it something else to use as a cookie.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-12-18 15:48:55 +02:00
parent 5ab97b7f81
commit fce537d4a7
6 changed files with 20 additions and 12 deletions
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7
cpu-common.h
View File

@ -61,9 +61,12 @@ static inline void cpu_register_physical_memory(target_phys_addr_t start_addr,
}
ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr);
struct MemoryRegion;
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);
ram_addr_t size, void *host,
struct MemoryRegion *mr);
ram_addr_t qemu_ram_alloc(DeviceState *dev, const char *name, ram_addr_t size,
struct MemoryRegion *mr);
void qemu_ram_free(ram_addr_t addr);
void qemu_ram_free_from_ptr(ram_addr_t addr);
void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);

10
exec.c
View File

@ -2916,7 +2916,8 @@ static ram_addr_t last_ram_offset(void)
}
ram_addr_t qemu_ram_alloc_from_ptr(DeviceState *dev, const char *name,
ram_addr_t size, void *host)
ram_addr_t size, void *host,
MemoryRegion *mr)
{
RAMBlock *new_block, *block;
@ -2972,7 +2973,7 @@ ram_addr_t qemu_ram_alloc_from_ptr(DeviceState *dev, const char *name,
}
#else
if (xen_enabled()) {
xen_ram_alloc(new_block->offset, size);
xen_ram_alloc(new_block->offset, size, mr);
} else {
new_block->host = qemu_vmalloc(size);
}
@ -2995,9 +2996,10 @@ ram_addr_t qemu_ram_alloc_from_ptr(DeviceState *dev, const char *name,
return new_block->offset;
}
ram_addr_t qemu_ram_alloc(DeviceState *dev, const char *name, ram_addr_t size)
ram_addr_t qemu_ram_alloc(DeviceState *dev, const char *name, ram_addr_t size,
MemoryRegion *mr)
{
return qemu_ram_alloc_from_ptr(dev, name, size, NULL);
return qemu_ram_alloc_from_ptr(dev, name, size, NULL, mr);
}
void qemu_ram_free_from_ptr(ram_addr_t addr)

4
hw/xen.h
View File

@ -44,7 +44,9 @@ void xen_vcpu_init(void);
void xenstore_store_pv_console_info(int i, struct CharDriverState *chr);
#if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY)
void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size);
struct MemoryRegion;
void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
struct MemoryRegion *mr);
#endif
#if defined(CONFIG_XEN) && CONFIG_XEN_CTRL_INTERFACE_VERSION < 400

6
memory.c
View File

@ -982,7 +982,7 @@ void memory_region_init_ram(MemoryRegion *mr,
memory_region_init(mr, name, size);
mr->terminates = true;
mr->destructor = memory_region_destructor_ram;
mr->ram_addr = qemu_ram_alloc(dev, name, size);
mr->ram_addr = qemu_ram_alloc(dev, name, size, mr);
mr->backend_registered = true;
}
@ -995,7 +995,7 @@ void memory_region_init_ram_ptr(MemoryRegion *mr,
memory_region_init(mr, name, size);
mr->terminates = true;
mr->destructor = memory_region_destructor_ram_from_ptr;
mr->ram_addr = qemu_ram_alloc_from_ptr(dev, name, size, ptr);
mr->ram_addr = qemu_ram_alloc_from_ptr(dev, name, size, ptr, mr);
mr->backend_registered = true;
}
@ -1022,7 +1022,7 @@ void memory_region_init_rom_device(MemoryRegion *mr,
mr->opaque = opaque;
mr->terminates = true;
mr->destructor = memory_region_destructor_rom_device;
mr->ram_addr = qemu_ram_alloc(dev, name, size);
mr->ram_addr = qemu_ram_alloc(dev, name, size, mr);
mr->ram_addr |= cpu_register_io_memory(memory_region_read_thunk,
memory_region_write_thunk,
mr,

2
xen-all.c
View File

@ -181,7 +181,7 @@ static void xen_ram_init(ram_addr_t ram_size)
}
}
void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size)
void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr)
{
unsigned long nr_pfn;
xen_pfn_t *pfn_list;

3
xen-stub.c
View File

@ -8,6 +8,7 @@
#include "qemu-common.h"
#include "hw/xen.h"
#include "memory.h"
void xenstore_store_pv_console_info(int i, CharDriverState *chr)
{
@ -30,7 +31,7 @@ void xen_cmos_set_s3_resume(void *opaque, int irq, int level)
{
}
void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size)
void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr)
{
}