From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart
---
kernel/arch/sparc/include/asm/thread_info_64.h | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/kernel/arch/sparc/include/asm/thread_info_64.h b/kernel/arch/sparc/include/asm/thread_info_64.h
index 7fb6763..42cd4cd 100644
--- a/kernel/arch/sparc/include/asm/thread_info_64.h
+++ b/kernel/arch/sparc/include/asm/thread_info_64.h
@@ -121,8 +121,12 @@
}
/* how to get the thread information struct from C */
+#ifndef BUILD_VDSO
register struct thread_info *current_thread_info_reg asm("g6");
#define current_thread_info() (current_thread_info_reg)
+#else
+extern struct thread_info *current_thread_info(void);
+#endif
/* thread information allocation */
#if PAGE_SHIFT == 13
@@ -176,7 +180,7 @@
#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */
#define TIF_SIGPENDING 2 /* signal pending */
#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
-/* flag bit 4 is available */
+#define TIF_NOTIFY_SIGNAL 4 /* signal notifications exist */
#define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */
#define TIF_UPROBE 6 /* breakpointed or singlestepped */
#define TIF_32BIT 7 /* 32-bit binary */
@@ -196,6 +200,7 @@
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
+#define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL)
#define _TIF_UNALIGNED (1<<TIF_UNALIGNED)
#define _TIF_UPROBE (1<<TIF_UPROBE)
#define _TIF_32BIT (1<<TIF_32BIT)
@@ -209,7 +214,8 @@
_TIF_DO_NOTIFY_RESUME_MASK | \
_TIF_NEED_RESCHED)
#define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | \
- _TIF_SIGPENDING | _TIF_UPROBE)
+ _TIF_SIGPENDING | _TIF_UPROBE | \
+ _TIF_NOTIFY_SIGNAL)
#define is_32bit_task() (test_thread_flag(TIF_32BIT))
--
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