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Only TCG needs TLB handling 

Refactor the code that is only needed for tcg to an static function.
Call that only when tcg is enabled.  We can't refactor to a dummy
function in the kvm case, as qemu can be compiled at the same time
with tcg and kvm.

Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Juan Quintela 2012-05-22 00:42:40 +02:00
parent aac844ed97
commit d24981d37e
1 changed files with 23 additions and 12 deletions
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35
exec.c
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@ -1824,19 +1824,10 @@ void tb_flush_jmp_cache(CPUArchState *env, target_ulong addr)
TB_JMP_PAGE_SIZE * sizeof(TranslationBlock *));
}
/* Note: start and end must be within the same ram block. */
void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
int dirty_flags)
static void tlb_reset_dirty_range_all(ram_addr_t start, ram_addr_t end,
uintptr_t length)
{
uintptr_t length, start1;
start &= TARGET_PAGE_MASK;
end = TARGET_PAGE_ALIGN(end);
length = end - start;
if (length == 0)
return;
cpu_physical_memory_mask_dirty_range(start, length, dirty_flags);
uintptr_t start1;
/* we modify the TLB cache so that the dirty bit will be set again
when accessing the range */
@ -1848,6 +1839,26 @@ void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
abort();
}
cpu_tlb_reset_dirty_all(start1, length);
}
/* Note: start and end must be within the same ram block. */
void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
int dirty_flags)
{
uintptr_t length;
start &= TARGET_PAGE_MASK;
end = TARGET_PAGE_ALIGN(end);
length = end - start;
if (length == 0)
return;
cpu_physical_memory_mask_dirty_range(start, length, dirty_flags);
if (tcg_enabled()) {
tlb_reset_dirty_range_all(start, end, length);
}
}
int cpu_physical_memory_set_dirty_tracking(int enable)