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[Qemu-devel] [PATCH 2/2] reduce code duplication
From: |
Glauber Costa |
Subject: |
[Qemu-devel] [PATCH 2/2] reduce code duplication |
Date: |
Thu, 11 Dec 2008 09:11:50 -0500 |
Code for all versions of notdirty_mem_write are quite alike.
Rewrite it as a generator macro.
Signed-off-by: Glauber Costa <address@hidden>
---
exec.c | 66 ++++++++++++++++-----------------------------------------------
1 files changed, 17 insertions(+), 49 deletions(-)
diff --git a/exec.c b/exec.c
index 35e0b8e..986c3b0 100644
--- a/exec.c
+++ b/exec.c
@@ -2455,43 +2455,27 @@ static CPUWriteMemoryFunc *unassigned_mem_write[3] = {
unassigned_mem_writel,
};
-static void notdirty_mem_writeb(void *opaque, target_phys_addr_t ram_addr,
- uint32_t val)
+static inline void store_size(target_phys_addr_t addr, uint32_t val, char siz)
{
- int dirty_flags;
- dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS];
- if (!(dirty_flags & CODE_DIRTY_FLAG)) {
-#if !defined(CONFIG_USER_ONLY)
- tb_invalidate_phys_page_fast(ram_addr, 'b');
- dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS];
-#endif
+ switch (siz) {
+ case 'b': stb_p(addr, val); break;
+ case 'w': stw_p(addr, val); break;
+ case 'l': stl_p(addr, val); break;
}
- stb_p(phys_ram_base + ram_addr, val);
-#ifdef USE_KQEMU
- if (cpu_single_env->kqemu_enabled &&
- (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK)
- kqemu_modify_page(cpu_single_env, ram_addr);
-#endif
- dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
- phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags;
- /* we remove the notdirty callback only if the code has been
- flushed */
- if (dirty_flags == 0xff)
- tlb_set_dirty(cpu_single_env, cpu_single_env->mem_io_vaddr);
}
-static void notdirty_mem_writew(void *opaque, target_phys_addr_t ram_addr,
- uint32_t val)
+static inline void notdirty_mem_write_size(void *opaque, target_phys_addr_t
ram_addr,
+ uint32_t val, char siz)
{
int dirty_flags;
dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS];
if (!(dirty_flags & CODE_DIRTY_FLAG)) {
#if !defined(CONFIG_USER_ONLY)
- tb_invalidate_phys_page_fast(ram_addr, 'w');
+ tb_invalidate_phys_page_fast(ram_addr, siz);
dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS];
#endif
}
- stw_p(phys_ram_base + ram_addr, val);
+ store_size((target_phys_addr_t)phys_ram_base + ram_addr, val, siz);
#ifdef USE_KQEMU
if (cpu_single_env->kqemu_enabled &&
(dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK)
@@ -2505,30 +2489,14 @@ static void notdirty_mem_writew(void *opaque,
target_phys_addr_t ram_addr,
tlb_set_dirty(cpu_single_env, cpu_single_env->mem_io_vaddr);
}
-static void notdirty_mem_writel(void *opaque, target_phys_addr_t ram_addr,
- uint32_t val)
-{
- int dirty_flags;
- dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS];
- if (!(dirty_flags & CODE_DIRTY_FLAG)) {
-#if !defined(CONFIG_USER_ONLY)
- tb_invalidate_phys_page_fast(ram_addr, 'l');
- dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS];
-#endif
- }
- stl_p(phys_ram_base + ram_addr, val);
-#ifdef USE_KQEMU
- if (cpu_single_env->kqemu_enabled &&
- (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK)
- kqemu_modify_page(cpu_single_env, ram_addr);
-#endif
- dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
- phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags;
- /* we remove the notdirty callback only if the code has been
- flushed */
- if (dirty_flags == 0xff)
- tlb_set_dirty(cpu_single_env, cpu_single_env->mem_io_vaddr);
-}
+#define gen_notdirty(s) static void notdirty_mem_write##s(void *opaque, \
+ target_phys_addr_t ram_addr, uint32_t val)\
+{ notdirty_mem_write_size(opaque, ram_addr, val, #s[0]); }
+
+gen_notdirty(b)
+gen_notdirty(w)
+gen_notdirty(l)
+#undef gen_notdirty
static CPUReadMemoryFunc *error_mem_read[3] = {
NULL, /* never used */
--
1.5.6.5