genode/repos/base-foc/patches/0011-Ex_regs-Change-user_flags.patch

From b9323143eead13223b658c92010c923c959e2159 Mon Sep 17 00:00:00 2001
From: Sebastian Sumpf <sebastian.sumpf@genode-labs.com>
Date: Fri, 11 Jan 2013 17:27:42 +0100
Subject: [PATCH 11/15] Ex_regs: Change 'user_flags'

Return true if thread is ready.

Was: 'foc_exregs_ret_state.patch'
---
 kernel/fiasco/src/kern/arm/thread-arm.cpp   | 2 +-
 kernel/fiasco/src/kern/ia32/thread-ia32.cpp | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/kernel/fiasco/src/kern/arm/thread-arm.cpp b/kernel/fiasco/src/kern/arm/thread-arm.cpp
index 82b62998..7bce193b 100644
--- a/kernel/fiasco/src/kern/arm/thread-arm.cpp
+++ b/kernel/fiasco/src/kern/arm/thread-arm.cpp
@@ -325,7 +325,7 @@ Thread::user_sp(Mword sp)
 IMPLEMENT inline
 Mword
 Thread::user_flags() const
-{ return 0; }
+{ return state() & Thread_ready; }
 
 PUBLIC inline NEEDS ["trap_state.h"]
 int
diff --git a/kernel/fiasco/src/kern/ia32/thread-ia32.cpp b/kernel/fiasco/src/kern/ia32/thread-ia32.cpp
index 3777821d..62a561a9 100644
--- a/kernel/fiasco/src/kern/ia32/thread-ia32.cpp
+++ b/kernel/fiasco/src/kern/ia32/thread-ia32.cpp
@@ -80,7 +80,10 @@ Thread::user_ip() const
 IMPLEMENT inline
 Mword
 Thread::user_flags() const
-{ return regs()->flags(); }
+{
+    // pass thread-ready state in carry flag (Thread_ready is bit 0)
+    return (regs()->flags() & ~Thread_ready) | (state() & Thread_ready);
+}
 
 PRIVATE static inline
 Mword
-- 
2.11.0