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accel/tcg: Factor tb_invalidate_phys_range_fast() out 

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20221209093649.43738-5-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2022-12-09 10:36:48 +01:00 committed by Richard Henderson
parent c9a5217bd3
commit f349e92e8e
3 changed files with 21 additions and 8 deletions
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5
accel/tcg/cputlb.c
View File

@ -1508,10 +1508,7 @@ static void notdirty_write(CPUState *cpu, vaddr mem_vaddr, unsigned size,
trace_memory_notdirty_write_access(mem_vaddr, ram_addr, size); trace_memory_notdirty_write_access(mem_vaddr, ram_addr, size);
if (!cpu_physical_memory_get_dirty_flag(ram_addr, DIRTY_MEMORY_CODE)) { if (!cpu_physical_memory_get_dirty_flag(ram_addr, DIRTY_MEMORY_CODE)) {
struct page_collection *pages tb_invalidate_phys_range_fast(ram_addr, size, retaddr);
= page_collection_lock(ram_addr, ram_addr + size);
tb_invalidate_phys_page_fast__locked(pages, ram_addr, size, retaddr);
page_collection_unlock(pages);
} }
/* /*

3
accel/tcg/internal.h
View File

@ -42,6 +42,9 @@ void tb_invalidate_phys_page_fast__locked(struct page_collection *pages,
uintptr_t retaddr); uintptr_t retaddr);
struct page_collection *page_collection_lock(tb_page_addr_t start, struct page_collection *page_collection_lock(tb_page_addr_t start,
tb_page_addr_t end); tb_page_addr_t end);
void tb_invalidate_phys_range_fast(ram_addr_t ram_addr,
unsigned size,
uintptr_t retaddr);
void page_collection_unlock(struct page_collection *set); void page_collection_unlock(struct page_collection *set);
G_NORETURN void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr); G_NORETURN void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr);
#endif /* CONFIG_SOFTMMU */ #endif /* CONFIG_SOFTMMU */

21
accel/tcg/tb-maint.c
View File

@ -1184,10 +1184,6 @@ void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end)
} }
/* /*
* len must be <= 8 and start must be a multiple of len.
* Called via softmmu_template.h when code areas are written to with
* iothread mutex not held.
*
* Call with all @pages in the range [@start, @start + len[ locked. * Call with all @pages in the range [@start, @start + len[ locked.
*/ */
void tb_invalidate_phys_page_fast__locked(struct page_collection *pages, void tb_invalidate_phys_page_fast__locked(struct page_collection *pages,
@ -1205,4 +1201,21 @@ void tb_invalidate_phys_page_fast__locked(struct page_collection *pages,
tb_invalidate_phys_page_range__locked(pages, p, start, start + len, tb_invalidate_phys_page_range__locked(pages, p, start, start + len,
retaddr); retaddr);
} }
/*
* len must be <= 8 and start must be a multiple of len.
* Called via softmmu_template.h when code areas are written to with
* iothread mutex not held.
*/
void tb_invalidate_phys_range_fast(ram_addr_t ram_addr,
unsigned size,
uintptr_t retaddr)
{
struct page_collection *pages;
pages = page_collection_lock(ram_addr, ram_addr + size);
tb_invalidate_phys_page_fast__locked(pages, ram_addr, size, retaddr);
page_collection_unlock(pages);
}
#endif /* CONFIG_USER_ONLY */ #endif /* CONFIG_USER_ONLY */