feat(x11): migrate to pure Xlibre + dwm/dmenu/st stack, fix fcitx5-t9 bottom bar, PM8909 PON shutdown, and remove Wayland

2026-10-20 21:15:16 +03:00
parent ad012360c3
commit 7bab7b7a11
422 changed files with 63226 additions and 2342 deletions
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: X11 OR MIT OR AGPL-3.0-or-later
+ *
+ * @brief platform/architecture specific memory barrier functions
+ *
+ * Copyright © 2026 Enrico Weigelt, metux IT consult <info@metux.net>
+ */
+#ifndef __XLIBRE_SDK_MEMBARRIER_H
+#define __XLIBRE_SDK_MEMBARRIER_H
+
+__attribute__((always_inline)) static inline void xlibre_mem_barrier_read(void)
+{
+#ifdef __i386__
+#  ifdef __SSE2__
+    __asm__ __volatile__ ("mfence" : : : "memory");
+#  else
+    __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory");
+#  endif
+#elif defined __alpha__
+    __asm__ __volatile__ ("mb" : : : "memory");
+#elif defined __amd64__
+    __asm__ __volatile__ ("mfence" : : : "memory");
+#elif defined __ia64__
+    __asm__ __volatile__ ("mf" : : : "memory");
+#elif defined __mips__
+    __asm__ __volatile__(
+        ".set   push\n\t"
+        ".set   noreorder\n\t"
+        ".set   mips2\n\t"
+        "sync\n\t"
+        ".set   pop"
+        : /* no output */
+        : /* no input */
+        : "memory");
+#elif defined __powerpc__
+#  if defined(__powerpc64__) || !defined(__has_builtin) || !__has_builtin(__builtin_ppc_eieio)
+    __asm__ __volatile__ ("eieio" : : : "memory");
+#  else
+    __builtin_ppc_eieio();
+#  endif
+#elif defined __sparc__
+    /* NOP */
+#endif
+}
+
+__attribute__((always_inline)) static inline void xlibre_mem_barrier_write(void)
+{
+#ifdef __i386__
+#ifdef __SSE__
+    __asm__ __volatile__ ("sfence" : : : "memory");
+#else
+    __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory");
+#endif
+#elif defined __alpha__
+    __asm__ __volatile__ ("wmb" : : : "memory");
+#elif defined __amd64__
+    __asm__ __volatile__ ("sfence" : : : "memory");
+#elif defined __ia64__
+    __asm__ __volatile__ ("mf" : : : "memory");
+#elif defined __mips__
+    xlibre_mem_barrier_read();
+#elif defined __powerpc__
+#  if defined(__powerpc64__) || !defined(__has_builtin) || !__has_builtin(__builtin_ppc_eieio)
+    __asm__ __volatile__ ("eieio" : : : "memory");
+#  else
+    __builtin_ppc_eieio();
+#  endif
+#elif defined __sparc__
+    /* NOP */
+#endif
+}
+
+/*
+ * @deprecated just backwards compat with older drivers - will be removed in ABI-26
+ */
+__attribute__((always_inline)) static inline void mem_barrier(void) {
+    xlibre_mem_barrier_read();
+}
+
+/*
+ * @deprecated just backwards compat with older drivers - will be removed in ABI-26
+ */
+__attribute__((always_inline)) static inline void write_mem_barrier(void) {
+    xlibre_mem_barrier_write();
+}
+
+#endif /* __XLIBRE_SDK_MEMBARRIER_H */