X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=linux%2Fplat.c;h=f5742b92f678b8259a3e2f034ab36f0f0042c582;hb=1ed480497a9adb926b9b70a2bbf542d43e8b3d54;hp=492007cd853474ac02eb614d5525f02dfc735018;hpb=1e122e31195b065d2ec5d055a29696b6d415151d;p=libpicofe.git

diff --git a/linux/plat.c b/linux/plat.c
index 492007c..f5742b9 100644
--- a/linux/plat.c
+++ b/linux/plat.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include <stdio.h>
 #include <string.h>
 #include <dirent.h>
@@ -112,8 +113,9 @@ int plat_wait_event(int *fds_hnds, int count, int timeout_ms)
 void *plat_mmap(unsigned long addr, size_t size)
 {
 	void *req, *ret;
+
 	req = (void *)addr;
-	ret = mmap(req, size, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0);
+	ret = mmap(req, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
 	if (ret == MAP_FAILED)
 		return NULL;
 	if (ret != req)
@@ -122,6 +124,19 @@ void *plat_mmap(unsigned long addr, size_t size)
 	return ret;
 }
 
+void *plat_mremap(void *ptr, size_t oldsize, size_t newsize)
+{
+	void *ret;
+
+	ret = mremap(ptr, oldsize, newsize, MREMAP_MAYMOVE);
+	if (ret == MAP_FAILED)
+		return NULL;
+	if (ret != ptr)
+		printf("warning: mremap moved: %p -> %p\n", ptr, ret);
+
+	return ret;
+}
+
 void plat_munmap(void *ptr, size_t size)
 {
 	munmap(ptr, size);