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system/ramblock: Constify various RAMBlock arguments

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Mark the RAMBlock structure const when is only accessed read-only.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20260309183536.88976-2-philmd@linaro.org
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé
2026-03-09 19:35:32 +01:00
committed by Peter Xu
parent 554671c1ec
commit f016021ff5
4 changed files with 32 additions and 32 deletions
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28
include/system/ramblock.h
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@@ -154,26 +154,26 @@ RAMBlock *qemu_ram_block_by_name(const char *name);
*/
RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset,
ram_addr_t *offset);
ram_addr_t qemu_ram_block_host_offset(RAMBlock *rb, void *host);
ram_addr_t qemu_ram_block_host_offset(const RAMBlock *rb, void *host);
void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev);
void qemu_ram_unset_idstr(RAMBlock *block);
const char *qemu_ram_get_idstr(RAMBlock *rb);
void *qemu_ram_get_host_addr(RAMBlock *rb);
ram_addr_t qemu_ram_get_offset(RAMBlock *rb);
ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb);
ram_addr_t qemu_ram_get_used_length(RAMBlock *rb);
ram_addr_t qemu_ram_get_max_length(RAMBlock *rb);
bool qemu_ram_is_shared(RAMBlock *rb);
bool qemu_ram_is_noreserve(RAMBlock *rb);
bool qemu_ram_is_uf_zeroable(RAMBlock *rb);
const char *qemu_ram_get_idstr(const RAMBlock *rb);
void *qemu_ram_get_host_addr(const RAMBlock *rb);
ram_addr_t qemu_ram_get_offset(const RAMBlock *rb);
ram_addr_t qemu_ram_get_fd_offset(const RAMBlock *rb);
ram_addr_t qemu_ram_get_used_length(const RAMBlock *rb);
ram_addr_t qemu_ram_get_max_length(const RAMBlock *rb);
bool qemu_ram_is_shared(const RAMBlock *rb);
bool qemu_ram_is_noreserve(const RAMBlock *rb);
bool qemu_ram_is_uf_zeroable(const RAMBlock *rb);
void qemu_ram_set_uf_zeroable(RAMBlock *rb);
bool qemu_ram_is_migratable(RAMBlock *rb);
bool qemu_ram_is_migratable(const RAMBlock *rb);
void qemu_ram_set_migratable(RAMBlock *rb);
void qemu_ram_unset_migratable(RAMBlock *rb);
bool qemu_ram_is_named_file(RAMBlock *rb);
int qemu_ram_get_fd(RAMBlock *rb);
bool qemu_ram_is_named_file(const RAMBlock *rb);
int qemu_ram_get_fd(const RAMBlock *rb);
size_t qemu_ram_pagesize(RAMBlock *block);
size_t qemu_ram_pagesize(const RAMBlock *block);
size_t qemu_ram_pagesize_largest(void);
#include "exec/target_page.h"
#include "exec/hwaddr.h"

2
stubs/physmem.c
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@@ -7,7 +7,7 @@ RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset,
return NULL;
}
int qemu_ram_get_fd(RAMBlock *rb)
int qemu_ram_get_fd(const RAMBlock *rb)
{
return -1;
}

6
stubs/ram-block.c
View File

@@ -3,17 +3,17 @@
#include "system/ramblock.h"
#include "system/memory.h"
void *qemu_ram_get_host_addr(RAMBlock *rb)
void *qemu_ram_get_host_addr(const RAMBlock *rb)
{
return 0;
}
ram_addr_t qemu_ram_get_offset(RAMBlock *rb)
ram_addr_t qemu_ram_get_offset(const RAMBlock *rb)
{
return 0;
}
ram_addr_t qemu_ram_get_used_length(RAMBlock *rb)
ram_addr_t qemu_ram_get_used_length(const RAMBlock *rb)
{
return 0;
}

28
system/physmem.c
View File

@@ -1859,48 +1859,48 @@ static void qemu_ram_setup_dump(void *addr, ram_addr_t size)
}
}
const char *qemu_ram_get_idstr(RAMBlock *rb)
const char *qemu_ram_get_idstr(const RAMBlock *rb)
{
return rb->idstr;
}
void *qemu_ram_get_host_addr(RAMBlock *rb)
void *qemu_ram_get_host_addr(const RAMBlock *rb)
{
return rb->host;
}
ram_addr_t qemu_ram_get_offset(RAMBlock *rb)
ram_addr_t qemu_ram_get_offset(const RAMBlock *rb)
{
return rb->offset;
}
ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb)
ram_addr_t qemu_ram_get_fd_offset(const RAMBlock *rb)
{
return rb->fd_offset;
}
ram_addr_t qemu_ram_get_used_length(RAMBlock *rb)
ram_addr_t qemu_ram_get_used_length(const RAMBlock *rb)
{
return rb->used_length;
}
ram_addr_t qemu_ram_get_max_length(RAMBlock *rb)
ram_addr_t qemu_ram_get_max_length(const RAMBlock *rb)
{
return rb->max_length;
}
bool qemu_ram_is_shared(RAMBlock *rb)
bool qemu_ram_is_shared(const RAMBlock *rb)
{
return rb->flags & RAM_SHARED;
}
bool qemu_ram_is_noreserve(RAMBlock *rb)
bool qemu_ram_is_noreserve(const RAMBlock *rb)
{
return rb->flags & RAM_NORESERVE;
}
/* Note: Only set at the start of postcopy */
bool qemu_ram_is_uf_zeroable(RAMBlock *rb)
bool qemu_ram_is_uf_zeroable(const RAMBlock *rb)
{
return rb->flags & RAM_UF_ZEROPAGE;
}
@@ -1910,7 +1910,7 @@ void qemu_ram_set_uf_zeroable(RAMBlock *rb)
rb->flags |= RAM_UF_ZEROPAGE;
}
bool qemu_ram_is_migratable(RAMBlock *rb)
bool qemu_ram_is_migratable(const RAMBlock *rb)
{
return rb->flags & RAM_MIGRATABLE;
}
@@ -1925,12 +1925,12 @@ void qemu_ram_unset_migratable(RAMBlock *rb)
rb->flags &= ~RAM_MIGRATABLE;
}
bool qemu_ram_is_named_file(RAMBlock *rb)
bool qemu_ram_is_named_file(const RAMBlock *rb)
{
return rb->flags & RAM_NAMED_FILE;
}
int qemu_ram_get_fd(RAMBlock *rb)
int qemu_ram_get_fd(const RAMBlock *rb)
{
return rb->fd;
}
@@ -1987,7 +1987,7 @@ static char *cpr_name(MemoryRegion *mr)
}
}
size_t qemu_ram_pagesize(RAMBlock *rb)
size_t qemu_ram_pagesize(const RAMBlock *rb)
{
return rb->page_size;
}
@@ -2772,7 +2772,7 @@ void *qemu_map_ram_ptr(RAMBlock *ram_block, ram_addr_t addr)
}
/* Return the offset of a hostpointer within a ramblock */
ram_addr_t qemu_ram_block_host_offset(RAMBlock *rb, void *host)
ram_addr_t qemu_ram_block_host_offset(const RAMBlock *rb, void *host)
{
ram_addr_t res = (uint8_t *)host - (uint8_t *)rb->host;
assert((uintptr_t)host >= (uintptr_t)rb->host);