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authorJan Sommer <jan.sommer@dlr.de>2024-10-16 10:48:07 +0200
committerJan Sommer <jan.sommer@dlr.de>2024-10-18 10:26:59 +0200
commite20636a78621d823334f3114d5d49ab8a442dfa3 (patch)
tree89b92a0de63e2ecd5347b11094349ade0281241b
parentdb8043bb199705e72246ca43d4af1e9dbe7d55be (diff)
downloadrust-e20636a78621d823334f3114d5d49ab8a442dfa3.tar.gz
rust-e20636a78621d823334f3114d5d49ab8a442dfa3.zip
Add entropy source for RTEMS
-rw-r--r--library/std/src/random.rs1
-rw-r--r--library/std/src/sys/random/arc4random.rs2
-rw-r--r--library/std/src/sys/random/mod.rs1
3 files changed, 4 insertions, 0 deletions
diff --git a/library/std/src/random.rs b/library/std/src/random.rs
index 604fa4df110..cdb88c795bf 100644
--- a/library/std/src/random.rs
+++ b/library/std/src/random.rs
@@ -40,6 +40,7 @@ use crate::sys::random as sys;
 /// Horizon                | `getrandom` shim
 /// Hurd, L4Re, QNX        | `/dev/urandom`
 /// Redox                  | `/scheme/rand`
+/// RTEMS                  | [`arc4random_buf`](https://docs.rtems.org/branches/master/bsp-howto/getentropy.html)
 /// SGX                    | [`rdrand`](https://en.wikipedia.org/wiki/RDRAND)
 /// SOLID                  | `SOLID_RNG_SampleRandomBytes`
 /// TEEOS                  | `TEE_GenerateRandom`
diff --git a/library/std/src/sys/random/arc4random.rs b/library/std/src/sys/random/arc4random.rs
index 32467e9ebaa..ffabaafbee8 100644
--- a/library/std/src/sys/random/arc4random.rs
+++ b/library/std/src/sys/random/arc4random.rs
@@ -12,6 +12,7 @@
 #[cfg(not(any(
     target_os = "haiku",
     target_os = "illumos",
+    target_os = "rtems",
     target_os = "solaris",
     target_os = "vita",
 )))]
@@ -21,6 +22,7 @@ use libc::arc4random_buf;
 #[cfg(any(
     target_os = "haiku", // See https://git.haiku-os.org/haiku/tree/headers/compatibility/bsd/stdlib.h
     target_os = "illumos", // See https://www.illumos.org/man/3C/arc4random
+    target_os = "rtems", // See https://docs.rtems.org/branches/master/bsp-howto/getentropy.html
     target_os = "solaris", // See https://docs.oracle.com/cd/E88353_01/html/E37843/arc4random-3c.html
     target_os = "vita", // See https://github.com/vitasdk/newlib/blob/b89e5bc183b516945f9ee07eef483ecb916e45ff/newlib/libc/include/stdlib.h#L74
 ))]
diff --git a/library/std/src/sys/random/mod.rs b/library/std/src/sys/random/mod.rs
index d625814d15b..edc2cacdfd8 100644
--- a/library/std/src/sys/random/mod.rs
+++ b/library/std/src/sys/random/mod.rs
@@ -17,6 +17,7 @@ cfg_if::cfg_if! {
         target_os = "illumos",
         target_os = "netbsd",
         target_os = "openbsd",
+        target_os = "rtems",
         target_os = "solaris",
         target_os = "vita",
     ))] {