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-rw-r--r--arch/sandbox/board/dev-random.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/sandbox/board/dev-random.c b/arch/sandbox/board/dev-random.c
new file mode 100644
index 0000000000..f65e5ef6e5
--- /dev/null
+++ b/arch/sandbox/board/dev-random.c
@@ -0,0 +1,24 @@
+#include <common.h>
+#include <mach/linux.h>
+
+devrandom_t *devrandom_init(void) {
+ devrandom_t *fds = xzalloc(sizeof(*fds));
+
+ fds->randomfd = linux_open("/dev/random", false);
+ if (fds->randomfd < 0)
+ return ERR_PTR(-EPERM);
+
+ fds->urandomfd = linux_open("/dev/urandom", false);
+ if (fds->urandomfd < 0)
+ return ERR_PTR(-EPERM);
+
+ return fds;
+}
+
+int devrandom_read(devrandom_t *devrandom, void *buf, size_t len, int wait)
+{
+ if (wait)
+ return linux_read(devrandom->randomfd, buf, len);
+
+ return linux_read(devrandom->urandomfd, buf, len);
+}