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ram_blocks: Convert to a QLIST

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This makes the RAM block list easier to manipulate.  Also incorporate
relevant variables into the RAMList struct.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Chris Wright <chrisw@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Alex Williamson 2010-06-11 11:11:42 -06:00 • committed by Anthony Liguori
parent 2ffcb18de0
commit f471a17e9d
3 changed files with 54 additions and 66 deletions
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28
cpu-all.h
View file

@ -859,9 +859,21 @@ target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr);
/* memory API */
extern int phys_ram_fd;
extern uint8_t *phys_ram_dirty;
extern ram_addr_t ram_size;
extern ram_addr_t last_ram_offset;
typedef struct RAMBlock {
uint8_t *host;
ram_addr_t offset;
ram_addr_t length;
QLIST_ENTRY(RAMBlock) next;
} RAMBlock;
typedef struct RAMList {
uint8_t *phys_dirty;
ram_addr_t last_offset;
QLIST_HEAD(ram, RAMBlock) blocks;
} RAMList;
extern RAMList ram_list;
extern const char *mem_path;
extern int mem_prealloc;
@ -891,29 +903,29 @@ extern int mem_prealloc;
/* read dirty bit (return 0 or 1) */
static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
{
return phys_ram_dirty[addr >> TARGET_PAGE_BITS] == 0xff;
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] == 0xff;
}
static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
{
return phys_ram_dirty[addr >> TARGET_PAGE_BITS];
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
}
static inline int cpu_physical_memory_get_dirty(ram_addr_t addr,
int dirty_flags)
{
return phys_ram_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
}
static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
{
phys_ram_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
}
static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr,
int dirty_flags)
{
return phys_ram_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
}
static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
@ -925,7 +937,7 @@ static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
len = length >> TARGET_PAGE_BITS;
mask = ~dirty_flags;
p = phys_ram_dirty + (start >> TARGET_PAGE_BITS);
p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS);
for (i = 0; i < len; i++) {
p[i] &= mask;
}