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[PATCH 02/24] exec: Expose 'target_page.h' API to user emulation
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH 02/24] exec: Expose 'target_page.h' API to user emulation |
Date: |
Mon, 11 Dec 2023 22:19:39 +0100 |
User-only objects might benefit from the "exec/target_page.h"
API, which allows to build some objects once for all targets.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
meson.build | 2 +-
page-target.c | 43 +++++++++++++++++++++++++++++++++++++++++++
system/physmem.c | 35 -----------------------------------
3 files changed, 44 insertions(+), 36 deletions(-)
create mode 100644 page-target.c
diff --git a/meson.build b/meson.build
index d2c4c2adb3..5fdc4ef8db 100644
--- a/meson.build
+++ b/meson.build
@@ -3488,7 +3488,7 @@ if get_option('b_lto')
pagevary = declare_dependency(link_with: pagevary)
endif
common_ss.add(pagevary)
-specific_ss.add(files('page-vary-target.c'))
+specific_ss.add(files('page-target.c', 'page-vary-target.c'))
subdir('backends')
subdir('disas')
diff --git a/page-target.c b/page-target.c
new file mode 100644
index 0000000000..d286e2d58b
--- /dev/null
+++ b/page-target.c
@@ -0,0 +1,43 @@
+/*
+ * QEMU page values getters (target independent)
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "exec/target_page.h"
+#include "exec/cpu-defs.h"
+#include "exec/cpu-all.h"
+
+size_t qemu_target_page_size(void)
+{
+ return TARGET_PAGE_SIZE;
+}
+
+int qemu_target_page_mask(void)
+{
+ return TARGET_PAGE_MASK;
+}
+
+int qemu_target_page_bits(void)
+{
+ return TARGET_PAGE_BITS;
+}
+
+int qemu_target_page_bits_min(void)
+{
+ return TARGET_PAGE_BITS_MIN;
+}
+
+/* Convert target pages to MiB (2**20). */
+size_t qemu_target_pages_to_MiB(size_t pages)
+{
+ int page_bits = TARGET_PAGE_BITS;
+
+ /* So far, the largest (non-huge) page size is 64k, i.e. 16 bits. */
+ g_assert(page_bits < 20);
+
+ return pages >> (20 - page_bits);
+}
diff --git a/system/physmem.c b/system/physmem.c
index a63853a7bc..4bdb3d0592 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -3422,41 +3422,6 @@ int cpu_memory_rw_debug(CPUState *cpu, vaddr addr,
return 0;
}
-/*
- * Allows code that needs to deal with migration bitmaps etc to still be built
- * target independent.
- */
-size_t qemu_target_page_size(void)
-{
- return TARGET_PAGE_SIZE;
-}
-
-int qemu_target_page_mask(void)
-{
- return TARGET_PAGE_MASK;
-}
-
-int qemu_target_page_bits(void)
-{
- return TARGET_PAGE_BITS;
-}
-
-int qemu_target_page_bits_min(void)
-{
- return TARGET_PAGE_BITS_MIN;
-}
-
-/* Convert target pages to MiB (2**20). */
-size_t qemu_target_pages_to_MiB(size_t pages)
-{
- int page_bits = TARGET_PAGE_BITS;
-
- /* So far, the largest (non-huge) page size is 64k, i.e. 16 bits. */
- g_assert(page_bits < 20);
-
- return pages >> (20 - page_bits);
-}
-
bool cpu_physical_memory_is_io(hwaddr phys_addr)
{
MemoryRegion*mr;
--
2.41.0