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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/um/include/shared/mem.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/um/include/shared/mem.h')
-rw-r--r--arch/um/include/shared/mem.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/um/include/shared/mem.h b/arch/um/include/shared/mem.h
new file mode 100644
index 000000000..98aacd544
--- /dev/null
+++ b/arch/um/include/shared/mem.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ */
+
+#ifndef __MEM_H__
+#define __MEM_H__
+
+extern int phys_mapping(unsigned long phys, unsigned long long *offset_out);
+
+extern unsigned long uml_physmem;
+static inline unsigned long uml_to_phys(void *virt)
+{
+ return(((unsigned long) virt) - uml_physmem);
+}
+
+static inline void *uml_to_virt(unsigned long phys)
+{
+ return((void *) uml_physmem + phys);
+}
+
+#endif