patch-2.4.10 linux/include/asm-ppc/cputable.h

• Lines: 93
• Date: Tue Aug 28 06:58:33 2001
• Orig file: v2.4.9/linux/include/asm-ppc/cputable.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/include/asm-ppc/cputable.h linux/include/asm-ppc/cputable.h
@@ -0,0 +1,92 @@
+/*
+ * BK Id: SCCS/s.cputable.h 1.3 08/19/01 22:31:46 paulus
+ */
+/*
+ *  include/asm-ppc/cputable.h
+ *
+ *  Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version
+ *  2 of the License, or (at your option) any later version.
+ */
+
+#ifndef __ASM_PPC_CPUTABLE_H
+#define __ASM_PPC_CPUTABLE_H
+
+/* Exposed to userland CPU features */
+#define PPC_FEATURE_32			0x80000000
+#define PPC_FEATURE_64			0x40000000
+#define PPC_FEATURE_601_INSTR		0x20000000
+#define PPC_FEATURE_HAS_ALTIVEC		0x10000000
+#define PPC_FEATURE_HAS_FPU		0x08000000
+#define PPC_FEATURE_HAS_MMU		0x04000000
+#define PPC_FEATURE_HAS_4xxMAC		0x02000000
+#define PPC_FEATURE_UNIFIED_CACHE	0x01000000
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+
+/* This structure can grow, it's real size is used by head.S code
+ * via the mkdefs mecanism.
+ */
+struct cpu_spec {
+	/* CPU is matched via (PVR & pvr_mask) == pvr_value */
+	unsigned int	pvr_mask;
+	unsigned int	pvr_value;
+
+	char		*cpu_name;
+	unsigned int	cpu_features;		/* Kernel features */
+	unsigned int	cpu_user_features;	/* Userland features */
+
+	/* cache line sizes */
+	unsigned int	icache_bsize;
+	unsigned int	dcache_bsize;
+
+	/* this is called to initialize various CPU bits like L1 cache,
+	 * BHT, SPD, etc... from head.S before branching to identify_machine
+	 */
+	void		(*cpu_setup)(int cpu_nr);
+};
+
+extern struct cpu_spec		cpu_specs[];
+extern struct cpu_spec		*cur_cpu_spec[];
+
+#endif /* __ASSEMBLY__ */
+
+/* CPU kernel features */
+#define CPU_FTR_SPLIT_ID_CACHE		0x00000001
+#define CPU_FTR_L2CR			0x00000002
+#define CPU_FTR_SPEC7450		0x00000004
+#define CPU_FTR_ALTIVEC			0x00000008
+#define CPU_FTR_TAU			0x00000010
+#define CPU_FTR_CAN_DOZE		0x00000020
+#define CPU_FTR_USE_TB			0x00000040
+#define CPU_FTR_604_PERF_MON		0x00000080
+#define CPU_FTR_601			0x00000100
+#define CPU_FTR_HPTE_TABLE		0x00000200
+
+#ifdef __ASSEMBLY__
+
+#define BEGIN_FTR_SECTION		98:
+
+#define END_FTR_SECTION(msk, val)		\
+99:						\
+	.section __ftr_fixup,"a";		\
+	.align 2;				\
+	.long msk;				\
+	.long val;				\
+	.long 98b;				\
+	.long 99b;				\
+	.previous
+
+#define END_FTR_SECTION_IFSET(msk)	END_FTR_SECTION((msk), (msk))
+#define END_FTR_SECTION_IFCLR(msk)	END_FTR_SECTION((msk), 0)
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ASM_PPC_CPUTABLE_H */
+#endif /* __KERNEL__ */
+