From 76f3553883b868e99c78212b9d12309e8e1e5d81 Mon Sep 17 00:00:00 2001 From: Wen Congyang Date: Mon, 7 May 2012 12:04:18 +0800 Subject: Add API to check whether a physical address is I/O address This API will be used in the following patch. Signed-off-by: Wen Congyang Signed-off-by: Luiz Capitulino --- exec.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'exec.c') diff --git a/exec.c b/exec.c index a0494c72bf..1b65859e50 100644 --- a/exec.c +++ b/exec.c @@ -4336,3 +4336,15 @@ bool virtio_is_big_endian(void) } #endif + +#ifndef CONFIG_USER_ONLY +bool cpu_physical_memory_is_io(target_phys_addr_t phys_addr) +{ + MemoryRegionSection *section; + + section = phys_page_find(phys_addr >> TARGET_PAGE_BITS); + + return !(memory_region_is_ram(section->mr) || + memory_region_is_romd(section->mr)); +} +#endif -- cgit v1.2.1