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exec.c: initialize memory map

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Allocate the root memory region and initialize it.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Avi Kivity 2011-07-26 14:26:14 +03:00 committed by Anthony Liguori
parent 4ef4db8603
commit 62152b8a01
1 changed files with 19 additions and 0 deletions
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19
exec.c
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@ -33,6 +33,8 @@
#include "kvm.h"
#include "hw/xen.h"
#include "qemu-timer.h"
#include "memory.h"
#include "exec-memory.h"
#if defined(CONFIG_USER_ONLY)
#include <qemu.h>
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
@ -109,6 +111,9 @@ int phys_ram_fd;
static int in_migration;
RAMList ram_list = { .blocks = QLIST_HEAD_INITIALIZER(ram_list) };
static MemoryRegion *system_memory;
#endif
CPUState *first_cpu;
@ -197,6 +202,7 @@ typedef struct PhysPageDesc {
static void *l1_phys_map[P_L1_SIZE];
static void io_mem_init(void);
static void memory_map_init(void);
/* io memory support */
CPUWriteMemoryFunc *io_mem_write[IO_MEM_NB_ENTRIES][4];
@ -571,6 +577,7 @@ void cpu_exec_init_all(unsigned long tb_size)
code_gen_ptr = code_gen_buffer;
page_init();
#if !defined(CONFIG_USER_ONLY)
memory_map_init();
io_mem_init();
#endif
#if !defined(CONFIG_USER_ONLY) || !defined(CONFIG_USE_GUEST_BASE)
@ -3807,6 +3814,18 @@ static void io_mem_init(void)
DEVICE_NATIVE_ENDIAN);
}
static void memory_map_init(void)
{
system_memory = qemu_malloc(sizeof(*system_memory));
memory_region_init(system_memory, "system", UINT64_MAX);
set_system_memory_map(system_memory);
}
MemoryRegion *get_system_memory(void)
{
return system_memory;
}
#endif /* !defined(CONFIG_USER_ONLY) */
/* physical memory access (slow version, mainly for debug) */