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-rw-r--r--include/exec/cpu-all.h3
-rw-r--r--translate-all.c2
2 files changed, 5 insertions, 0 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 8999634..ea6a9a6 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -183,10 +183,13 @@ extern unsigned long reserved_va;
/* ??? These should be the larger of uintptr_t and target_ulong. */
extern uintptr_t qemu_real_host_page_size;
+extern uintptr_t qemu_real_host_page_mask;
extern uintptr_t qemu_host_page_size;
extern uintptr_t qemu_host_page_mask;
#define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask)
+#define REAL_HOST_PAGE_ALIGN(addr) (((addr) + qemu_real_host_page_size - 1) & \
+ qemu_real_host_page_mask)
/* same as PROT_xxx */
#define PAGE_READ 0x0001
diff --git a/translate-all.c b/translate-all.c
index 412bc90..50d53fd 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -118,6 +118,7 @@ typedef struct PageDesc {
#define V_L1_SHIFT (L1_MAP_ADDR_SPACE_BITS - TARGET_PAGE_BITS - V_L1_BITS)
uintptr_t qemu_real_host_page_size;
+uintptr_t qemu_real_host_page_mask;
uintptr_t qemu_host_page_size;
uintptr_t qemu_host_page_mask;
@@ -307,6 +308,7 @@ void page_size_init(void)
/* NOTE: we can always suppose that qemu_host_page_size >=
TARGET_PAGE_SIZE */
qemu_real_host_page_size = getpagesize();
+ qemu_real_host_page_mask = ~(qemu_real_host_page_size - 1);
if (qemu_host_page_size == 0) {
qemu_host_page_size = qemu_real_host_page_size;
}
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