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we dont need to handle VGA & Migration memories

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This commit is contained in:
Nguyen Anh Quynh
2017-01-20 17:03:39 +08:00
parent fff532fc20
commit ac68745a9c
15 changed files with 4 additions and 368 deletions
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6
qemu/include/exec/memory.h
View File

@ -16,10 +16,8 @@
#ifndef CONFIG_USER_ONLY
#define DIRTY_MEMORY_VGA 0
#define DIRTY_MEMORY_CODE 1
#define DIRTY_MEMORY_MIGRATION 2
#define DIRTY_MEMORY_NUM 3 /* num of dirty bits */
#define DIRTY_MEMORY_CODE 0
#define DIRTY_MEMORY_NUM 1 /* num of dirty bits */
#include <stdint.h>
#include <stdbool.h>

28
qemu/include/exec/ram_addr.h
View File

@ -70,21 +70,13 @@ static inline bool cpu_physical_memory_get_dirty_flag(struct uc_struct *uc, ram_
static inline bool cpu_physical_memory_is_clean(struct uc_struct *uc, ram_addr_t addr)
{
bool vga = cpu_physical_memory_get_dirty_flag(uc, addr, DIRTY_MEMORY_VGA);
bool code = cpu_physical_memory_get_dirty_flag(uc, addr, DIRTY_MEMORY_CODE);
bool migration =
cpu_physical_memory_get_dirty_flag(uc, addr, DIRTY_MEMORY_MIGRATION);
return !(vga && code && migration);
return !cpu_physical_memory_get_dirty_flag(uc, addr, DIRTY_MEMORY_CODE);
}
static inline bool cpu_physical_memory_range_includes_clean(struct uc_struct *uc, ram_addr_t start,
ram_addr_t length)
{
bool vga = cpu_physical_memory_get_clean(uc, start, length, DIRTY_MEMORY_VGA);
bool code = cpu_physical_memory_get_clean(uc, start, length, DIRTY_MEMORY_CODE);
bool migration =
cpu_physical_memory_get_clean(uc, start, length, DIRTY_MEMORY_MIGRATION);
return vga || code || migration;
return cpu_physical_memory_get_clean(uc, start, length, DIRTY_MEMORY_CODE);
}
static inline void cpu_physical_memory_set_dirty_flag(struct uc_struct *uc, ram_addr_t addr,
@ -94,17 +86,6 @@ static inline void cpu_physical_memory_set_dirty_flag(struct uc_struct *uc, ram_
set_bit(addr >> TARGET_PAGE_BITS, uc->ram_list.dirty_memory[client]);
}
static inline void cpu_physical_memory_set_dirty_range_nocode(struct uc_struct *uc, ram_addr_t start,
ram_addr_t length)
{
unsigned long end, page;
end = TARGET_PAGE_ALIGN(start + length) >> TARGET_PAGE_BITS;
page = start >> TARGET_PAGE_BITS;
bitmap_set(uc->ram_list.dirty_memory[DIRTY_MEMORY_MIGRATION], page, end - page);
bitmap_set(uc->ram_list.dirty_memory[DIRTY_MEMORY_VGA], page, end - page);
}
static inline void cpu_physical_memory_set_dirty_range(struct uc_struct *uc, ram_addr_t start,
ram_addr_t length)
{
@ -112,8 +93,6 @@ static inline void cpu_physical_memory_set_dirty_range(struct uc_struct *uc, ram
end = TARGET_PAGE_ALIGN(start + length) >> TARGET_PAGE_BITS;
page = start >> TARGET_PAGE_BITS;
bitmap_set(uc->ram_list.dirty_memory[DIRTY_MEMORY_MIGRATION], page, end - page);
bitmap_set(uc->ram_list.dirty_memory[DIRTY_MEMORY_VGA], page, end - page);
bitmap_set(uc->ram_list.dirty_memory[DIRTY_MEMORY_CODE], page, end - page);
}
@ -139,9 +118,6 @@ static inline void cpu_physical_memory_set_dirty_lebitmap(struct uc_struct *uc,
for (k = 0; k < nr; k++) {
if (bitmap[k]) {
unsigned long temp = leul_to_cpu(bitmap[k]);
uc->ram_list.dirty_memory[DIRTY_MEMORY_MIGRATION][page + k] |= temp;
uc->ram_list.dirty_memory[DIRTY_MEMORY_VGA][page + k] |= temp;
uc->ram_list.dirty_memory[DIRTY_MEMORY_CODE][page + k] |= temp;
}
}