izzy/xemu
0
0
Fork 0
mirror of https://github.com/izzy2lost/xemu.git synced 2026-07-06 00:20:22 -07:00
Code Issues Packages Projects Releases Wiki Activity

system/physmem: Extract API out of 'system/ram_addr.h' header

Browse Source 
Very few files use the Physical Memory API. Declare its
methods in their own header: "system/physmem.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20251001175448.18933-19-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé
2025-10-07 05:03:56 +02:00
parent aa60bdb700
commit 4db362f68c
12 changed files with 63 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/system/physmem.h
+54
View File
@@ -0,0 +1,54 @@
/*
* QEMU physical memory interfaces (target independent).
*
* Copyright (c) 2003 Fabrice Bellard
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef QEMU_SYSTEM_PHYSMEM_H
#define QEMU_SYSTEM_PHYSMEM_H
#include "exec/hwaddr.h"
#include "exec/ramlist.h"
#define DIRTY_CLIENTS_ALL ((1 << DIRTY_MEMORY_NUM) - 1)
#define DIRTY_CLIENTS_NOCODE (DIRTY_CLIENTS_ALL & ~(1 << DIRTY_MEMORY_CODE))
bool physical_memory_get_dirty_flag(ram_addr_t addr, unsigned client);
bool physical_memory_is_clean(ram_addr_t addr);
uint8_t physical_memory_range_includes_clean(ram_addr_t start,
ram_addr_t length,
uint8_t mask);
void physical_memory_set_dirty_flag(ram_addr_t addr, unsigned client);
void physical_memory_set_dirty_range(ram_addr_t start, ram_addr_t length,
uint8_t mask);
/*
* Contrary to physical_memory_sync_dirty_bitmap() this function returns
* the number of dirty pages in @bitmap passed as argument. On the other hand,
* physical_memory_sync_dirty_bitmap() returns newly dirtied pages that
* weren't set in the global migration bitmap.
*/
uint64_t physical_memory_set_dirty_lebitmap(unsigned long *bitmap,
ram_addr_t start,
ram_addr_t pages);
void physical_memory_dirty_bits_cleared(ram_addr_t start, ram_addr_t length);
bool physical_memory_test_and_clear_dirty(ram_addr_t start,
ram_addr_t length,
unsigned client);
DirtyBitmapSnapshot *
physical_memory_snapshot_and_clear_dirty(MemoryRegion *mr, hwaddr offset,
hwaddr length, unsigned client);
bool physical_memory_snapshot_get_dirty(DirtyBitmapSnapshot *snap,
ram_addr_t start,
ram_addr_t length);
#endif
include/system/ram_addr.h
-40
View File
@@ -19,7 +19,6 @@
#ifndef SYSTEM_RAM_ADDR_H
#define SYSTEM_RAM_ADDR_H
#include "exec/ramlist.h"
#include "system/ramblock.h"
#include "exec/target_page.h"
#include "exec/hwaddr.h"
@@ -133,43 +132,4 @@ static inline void qemu_ram_block_writeback(RAMBlock *block)
qemu_ram_msync(block, 0, block->used_length);
}
#define DIRTY_CLIENTS_ALL ((1 << DIRTY_MEMORY_NUM) - 1)
#define DIRTY_CLIENTS_NOCODE (DIRTY_CLIENTS_ALL & ~(1 << DIRTY_MEMORY_CODE))
bool physical_memory_get_dirty_flag(ram_addr_t addr, unsigned client);
bool physical_memory_is_clean(ram_addr_t addr);
uint8_t physical_memory_range_includes_clean(ram_addr_t start,
ram_addr_t length,
uint8_t mask);
void physical_memory_set_dirty_flag(ram_addr_t addr, unsigned client);
void physical_memory_set_dirty_range(ram_addr_t start, ram_addr_t length,
uint8_t mask);
/*
* Contrary to physical_memory_sync_dirty_bitmap() this function returns
* the number of dirty pages in @bitmap passed as argument. On the other hand,
* physical_memory_sync_dirty_bitmap() returns newly dirtied pages that
* weren't set in the global migration bitmap.
*/
uint64_t physical_memory_set_dirty_lebitmap(unsigned long *bitmap,
ram_addr_t start,
ram_addr_t pages);
void physical_memory_dirty_bits_cleared(ram_addr_t start, ram_addr_t length);
bool physical_memory_test_and_clear_dirty(ram_addr_t start,
ram_addr_t length,
unsigned client);
DirtyBitmapSnapshot *physical_memory_snapshot_and_clear_dirty
(MemoryRegion *mr, hwaddr offset, hwaddr length, unsigned client);
bool physical_memory_snapshot_get_dirty(DirtyBitmapSnapshot *snap,
ram_addr_t start,
ram_addr_t length);
#endif