patch-2.3.99-pre6 linux/arch/arm/kernel/arch.h

• Lines: 72
• Date: Tue Apr 25 16:54:38 2000
• Orig file: v2.3.99-pre5/linux/arch/arm/kernel/arch.h
• Orig date: Tue Mar 14 19:10:38 2000

diff -u --recursive --new-file v2.3.99-pre5/linux/arch/arm/kernel/arch.h linux/arch/arm/kernel/arch.h
@@ -1,9 +1,27 @@
+/*
+ * The size of struct machine_desc
+ *   (for assembler code)
+ */
+#define SIZEOF_MACHINE_DESC	40
+
+#ifndef __ASSEMBLY__
+
 struct machine_desc {
+	/*
+	 * Note! The first four elements are used
+	 * by assembler code in head-armv.S
+	 */
 	unsigned int	nr;		/* architecture number	*/
+	unsigned int	phys_ram;	/* start of physical ram */
+	unsigned int	phys_io;	/* start of physical io	*/
+	unsigned int	virt_io;	/* start of virtual io	*/
+
 	const char	*name;		/* architecture name	*/
 	unsigned int	param_offset;	/* parameter page	*/
+
 	unsigned int	video_start;	/* start of video RAM	*/
 	unsigned int	video_end;	/* end of video RAM	*/
+
 	unsigned int	reserve_lp0 :1;	/* never has lp0	*/
 	unsigned int	reserve_lp1 :1;	/* never has lp1	*/
 	unsigned int	reserve_lp2 :1;	/* never has lp2	*/
@@ -13,3 +31,43 @@
 				 struct param_struct *, char **,
 				 struct meminfo *);
 };
+
+/*
+ * Set of macros to define architecture features
+ */
+#define MACHINE_START(_type,_name)		\
+const struct machine_desc __mach_desc_##_type	\
+ __attribute__((__section__(".arch.info"))) = {	\
+	nr:		MACH_TYPE_##_type##,	\
+	name:		_name,
+
+#define MAINTAINER(n)
+
+#define BOOT_MEM(_pram,_pio,_vio)		\
+	phys_ram:	_pram,			\
+	phys_io:	_pio,			\
+	virt_io:	_vio,
+
+#define BOOT_PARAMS(_params)			\
+	param_offset:	_params,
+
+#define VIDEO(_start,_end)			\
+	video_start:	_start,			\
+	video_end:	_end,
+
+#define DISABLE_PARPORT(_n)			\
+	reserve_lp##_n##:	1,
+
+#define BROKEN_HLT				\
+	broken_hlt:	1,
+
+#define SOFT_REBOOT				\
+	soft_reboot:	1,
+
+#define FIXUP(_func)				\
+	fixup:		_func,
+
+#define MACHINE_END				\
+};
+
+#endif