diff mbox series

[PULL,03/23] include/exec: Move TARGET_PAGE_{SIZE, MASK, BITS} to target_page.h

Message ID 20250308225902.1208237-5-richard.henderson@linaro.org (mailing list archive)
State New
Headers show
Series [PULL,01/23] linux-user/main: Allow setting tb-size | expand

Commit Message

Richard Henderson March 8, 2025, 10:58 p.m. UTC 
Re-use the TARGET_PAGE_BITS_VARY mechanism to define
TARGET_PAGE_SIZE and friends when not compiling per-target.
Inline qemu_target_page_{size,mask,bits} as they are now trivial.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/exec/cpu-all.h     | 21 +-------------
 include/exec/poison.h      |  4 ---
 include/exec/target_page.h | 58 ++++++++++++++++++++++++++++++++++----
 page-target.c              | 18 ------------
 page-vary-target.c         |  2 --
 5 files changed, 53 insertions(+), 50 deletions(-)
diff mbox series

Patch

diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 09f537d06f..8f7aebb088 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -105,26 +105,7 @@  static inline void stl_phys_notdirty(AddressSpace *as, hwaddr addr, uint32_t val
 
 /* page related stuff */
 #include "exec/cpu-defs.h"
-#ifdef TARGET_PAGE_BITS_VARY
-# include "exec/page-vary.h"
-extern const TargetPageBits target_page;
-# ifdef CONFIG_DEBUG_TCG
-#  define TARGET_PAGE_BITS   ({ assert(target_page.decided); \
-                                target_page.bits; })
-#  define TARGET_PAGE_MASK   ({ assert(target_page.decided); \
-                                (target_long)target_page.mask; })
-# else
-#  define TARGET_PAGE_BITS   target_page.bits
-#  define TARGET_PAGE_MASK   ((target_long)target_page.mask)
-# endif
-# define TARGET_PAGE_SIZE    (-(int)TARGET_PAGE_MASK)
-#else
-# define TARGET_PAGE_BITS_MIN TARGET_PAGE_BITS
-# define TARGET_PAGE_SIZE    (1 << TARGET_PAGE_BITS)
-# define TARGET_PAGE_MASK    ((target_long)-1 << TARGET_PAGE_BITS)
-#endif
-
-#define TARGET_PAGE_ALIGN(addr) ROUND_UP((addr), TARGET_PAGE_SIZE)
+#include "exec/target_page.h"
 
 CPUArchState *cpu_copy(CPUArchState *env);
 
diff --git a/include/exec/poison.h b/include/exec/poison.h
index d6d4832854..35721366d7 100644
--- a/include/exec/poison.h
+++ b/include/exec/poison.h
@@ -44,10 +44,6 @@ 
 #pragma GCC poison TARGET_FMT_ld
 #pragma GCC poison TARGET_FMT_lu
 
-#pragma GCC poison TARGET_PAGE_SIZE
-#pragma GCC poison TARGET_PAGE_MASK
-#pragma GCC poison TARGET_PAGE_BITS
-#pragma GCC poison TARGET_PAGE_ALIGN
 #pragma GCC poison TARGET_PHYS_ADDR_SPACE_BITS
 
 #pragma GCC poison CPU_INTERRUPT_HARD
diff --git a/include/exec/target_page.h b/include/exec/target_page.h
index 98ffbb5c23..8e89e5cbe6 100644
--- a/include/exec/target_page.h
+++ b/include/exec/target_page.h
@@ -14,10 +14,56 @@ 
 #ifndef EXEC_TARGET_PAGE_H
 #define EXEC_TARGET_PAGE_H
 
-size_t qemu_target_page_size(void);
-int qemu_target_page_mask(void);
-int qemu_target_page_bits(void);
-int qemu_target_page_bits_min(void);
-
-size_t qemu_target_pages_to_MiB(size_t pages);
+/*
+ * If compiling per-target, get the real values.
+ * For generic code, reuse the mechanism for variable page size.
+ */
+#ifdef COMPILING_PER_TARGET
+#include "cpu-param.h"
+#include "exec/target_long.h"
+#define TARGET_PAGE_TYPE  target_long
+#else
+#define TARGET_PAGE_BITS_VARY
+#define TARGET_PAGE_TYPE  int
+#endif
+
+#ifdef TARGET_PAGE_BITS_VARY
+# include "exec/page-vary.h"
+extern const TargetPageBits target_page;
+# ifdef CONFIG_DEBUG_TCG
+#  define TARGET_PAGE_BITS   ({ assert(target_page.decided); \
+                                target_page.bits; })
+#  define TARGET_PAGE_MASK   ({ assert(target_page.decided); \
+                                (TARGET_PAGE_TYPE)target_page.mask; })
+# else
+#  define TARGET_PAGE_BITS   target_page.bits
+#  define TARGET_PAGE_MASK   ((TARGET_PAGE_TYPE)target_page.mask)
+# endif
+# define TARGET_PAGE_SIZE    (-(int)TARGET_PAGE_MASK)
+#else
+# define TARGET_PAGE_BITS_MIN TARGET_PAGE_BITS
+# define TARGET_PAGE_SIZE    (1 << TARGET_PAGE_BITS)
+# define TARGET_PAGE_MASK    ((TARGET_PAGE_TYPE)-1 << TARGET_PAGE_BITS)
+#endif
+
+#define TARGET_PAGE_ALIGN(addr) ROUND_UP((addr), TARGET_PAGE_SIZE)
+
+static inline size_t qemu_target_page_size(void)
+{
+    return TARGET_PAGE_SIZE;
+}
+
+static inline int qemu_target_page_mask(void)
+{
+    return TARGET_PAGE_MASK;
+}
+
+static inline int qemu_target_page_bits(void)
+{
+    return TARGET_PAGE_BITS;
+}
+
+int qemu_target_page_bits_min(void);
+size_t qemu_target_pages_to_MiB(size_t pages);
+
 #endif
diff --git a/page-target.c b/page-target.c
index 82211c8593..321e43d06f 100644
--- a/page-target.c
+++ b/page-target.c
@@ -8,24 +8,6 @@ 
 
 #include "qemu/osdep.h"
 #include "exec/target_page.h"
-#include "exec/cpu-defs.h"
-#include "cpu.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)
 {
diff --git a/page-vary-target.c b/page-vary-target.c
index 343b4adb95..3f81144cda 100644
--- a/page-vary-target.c
+++ b/page-vary-target.c
@@ -35,7 +35,5 @@  bool set_preferred_target_page_bits(int bits)
 
 void finalize_target_page_bits(void)
 {
-#ifdef TARGET_PAGE_BITS_VARY
     finalize_target_page_bits_common(TARGET_PAGE_BITS_MIN);
-#endif
 }