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-rw-r--r--arch/um/kernel/tt/mem.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/um/kernel/tt/mem.c b/arch/um/kernel/tt/mem.c
new file mode 100644
index 00000000000..74346a04a2b
--- /dev/null
+++ b/arch/um/kernel/tt/mem.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#include "linux/stddef.h"
+#include "linux/config.h"
+#include "linux/mm.h"
+#include "asm/uaccess.h"
+#include "mem_user.h"
+#include "kern_util.h"
+#include "user_util.h"
+#include "kern.h"
+#include "tt.h"
+
+void before_mem_tt(unsigned long brk_start)
+{
+ if(debug)
+ remap_data(UML_ROUND_DOWN(&_stext), UML_ROUND_UP(&_etext), 1);
+ remap_data(UML_ROUND_DOWN(&_sdata), UML_ROUND_UP(&_edata), 1);
+ remap_data(UML_ROUND_DOWN(&__bss_start), UML_ROUND_UP(&_end), 1);
+}
+
+#ifdef CONFIG_HOST_2G_2G
+#define TOP 0x80000000
+#else
+#define TOP 0xc0000000
+#endif
+
+#define SIZE ((CONFIG_NEST_LEVEL + CONFIG_KERNEL_HALF_GIGS) * 0x20000000)
+#define START (TOP - SIZE)
+
+unsigned long set_task_sizes_tt(int arg, unsigned long *host_size_out,
+ unsigned long *task_size_out)
+{
+ /* Round up to the nearest 4M */
+ *host_size_out = ROUND_4M((unsigned long) &arg);
+ *task_size_out = START;
+ return(START);
+}
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only. This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */