[U-Boot-Users] [MIPS] asm headers' updates
Shinya Kuribayashi
skuribay at ruby.dti.ne.jp
Mon Mar 17 15:43:41 CET 2008
Make some asm headers adjusted to the latest Linux kernel. Note: there
might be some CodingStyle issues, but let's leave thins as they are to
have a clear difference against the Linux ones.
Signed-off-by: Shinya Kuribayashi <skuribay at ruby.dti.ne.jp>
---
include/asm-mips/byteorder.h | 63 ++++++++++++++++++++++++++++++----
include/asm-mips/cachectl.h | 10 +++--
include/asm-mips/cacheops.h | 78 +++++++++++++++++++++++++++++++-----------
include/asm-mips/regdef.h | 60 +++++++++++++++++++++++++++++---
include/asm-mips/types.h | 31 +++++++++++++++--
5 files changed, 200 insertions(+), 42 deletions(-)
diff --git a/include/asm-mips/byteorder.h b/include/asm-mips/byteorder.h
index b9604cf..a10ac27 100644
--- a/include/asm-mips/byteorder.h
+++ b/include/asm-mips/byteorder.h
@@ -1,18 +1,65 @@
-/* $Id: byteorder.h,v 1.8 1998/11/02 09:29:32 ralf Exp $
- *
+/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) by Ralf Baechle
+ * Copyright (C) 1996, 99, 2003 by Ralf Baechle
*/
-#ifndef _MIPS_BYTEORDER_H
-#define _MIPS_BYTEORDER_H
+#ifndef _ASM_BYTEORDER_H
+#define _ASM_BYTEORDER_H
+#if 0
+#include <linux/compiler.h>
+#endif
#include <asm/types.h>
#ifdef __GNUC__
+#ifdef CONFIG_CPU_MIPSR2
+
+static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
+{
+ __asm__(
+ " wsbh %0, %1 \n"
+ : "=r" (x)
+ : "r" (x));
+
+ return x;
+}
+#define __arch__swab16(x) ___arch__swab16(x)
+
+static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+{
+ __asm__(
+ " wsbh %0, %1 \n"
+ " rotr %0, %0, 16 \n"
+ : "=r" (x)
+ : "r" (x));
+
+ return x;
+}
+#define __arch__swab32(x) ___arch__swab32(x)
+
+#ifdef CONFIG_CPU_MIPS64_R2
+
+static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
+{
+ __asm__(
+ " dsbh %0, %1 \n"
+ " dshd %0, %0 \n"
+ " drotr %0, %0, 32 \n"
+ : "=r" (x)
+ : "r" (x));
+
+ return x;
+}
+
+#define __arch__swab64(x) ___arch__swab64(x)
+
+#endif /* CONFIG_CPU_MIPS64_R2 */
+
+#endif /* CONFIG_CPU_MIPSR2 */
+
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
# define __BYTEORDER_HAS_U64__
# define __SWAB_64_THRU_32__
@@ -20,12 +67,12 @@
#endif /* __GNUC__ */
-#if defined (__MIPSEB__)
+#if defined(__MIPSEB__)
# include <linux/byteorder/big_endian.h>
-#elif defined (__MIPSEL__)
+#elif defined(__MIPSEL__)
# include <linux/byteorder/little_endian.h>
#else
# error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
#endif
-#endif /* _MIPS_BYTEORDER_H */
+#endif /* _ASM_BYTEORDER_H */
diff --git a/include/asm-mips/cachectl.h b/include/asm-mips/cachectl.h
index 9cc2b87..f3ce721 100644
--- a/include/asm-mips/cachectl.h
+++ b/include/asm-mips/cachectl.h
@@ -1,10 +1,12 @@
/*
- * cachectl.h -- defines for MIPS cache control system calls
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
*
* Copyright (C) 1994, 1995, 1996 by Ralf Baechle
*/
-#ifndef __ASM_MIPS_CACHECTL
-#define __ASM_MIPS_CACHECTL
+#ifndef _ASM_CACHECTL
+#define _ASM_CACHECTL
/*
* Options for cacheflush system call
@@ -21,4 +23,4 @@
#define CACHEABLE 0 /* make pages cacheable */
#define UNCACHEABLE 1 /* make pages uncacheable */
-#endif /* __ASM_MIPS_CACHECTL */
+#endif /* _ASM_CACHECTL */
diff --git a/include/asm-mips/cacheops.h b/include/asm-mips/cacheops.h
index 66b0b36..256ad2c 100644
--- a/include/asm-mips/cacheops.h
+++ b/include/asm-mips/cacheops.h
@@ -5,43 +5,81 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * (C) Copyright 1996, 1997 by Ralf Baechle
+ * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
+ * (C) Copyright 1999 Silicon Graphics, Inc.
*/
-#ifndef __ASM_MIPS_CACHEOPS_H
-#define __ASM_MIPS_CACHEOPS_H
+#ifndef __ASM_CACHEOPS_H
+#define __ASM_CACHEOPS_H
/*
- * Cache Operations
+ * Cache Operations available on all MIPS processors with R4000-style caches
*/
#define Index_Invalidate_I 0x00
#define Index_Writeback_Inv_D 0x01
-#define Index_Invalidate_SI 0x02
-#define Index_Writeback_Inv_SD 0x03
#define Index_Load_Tag_I 0x04
#define Index_Load_Tag_D 0x05
-#define Index_Load_Tag_SI 0x06
-#define Index_Load_Tag_SD 0x07
#define Index_Store_Tag_I 0x08
#define Index_Store_Tag_D 0x09
+#if defined(CONFIG_CPU_LOONGSON2)
+#define Hit_Invalidate_I 0x00
+#else
+#define Hit_Invalidate_I 0x10
+#endif
+#define Hit_Invalidate_D 0x11
+#define Hit_Writeback_Inv_D 0x15
+
+/*
+ * R4000-specific cacheops
+ */
+#define Create_Dirty_Excl_D 0x0d
+#define Fill 0x14
+#define Hit_Writeback_I 0x18
+#define Hit_Writeback_D 0x19
+
+/*
+ * R4000SC and R4400SC-specific cacheops
+ */
+#define Index_Invalidate_SI 0x02
+#define Index_Writeback_Inv_SD 0x03
+#define Index_Load_Tag_SI 0x06
+#define Index_Load_Tag_SD 0x07
#define Index_Store_Tag_SI 0x0A
#define Index_Store_Tag_SD 0x0B
-#define Create_Dirty_Excl_D 0x0d
#define Create_Dirty_Excl_SD 0x0f
-#define Hit_Invalidate_I 0x10
-#define Hit_Invalidate_D 0x11
#define Hit_Invalidate_SI 0x12
#define Hit_Invalidate_SD 0x13
-#define Fill 0x14
-#define Hit_Writeback_Inv_D 0x15
- /* 0x16 is unused */
#define Hit_Writeback_Inv_SD 0x17
-#define Hit_Writeback_I 0x18
-#define Hit_Writeback_D 0x19
- /* 0x1a is unused */
#define Hit_Writeback_SD 0x1b
- /* 0x1c is unused */
- /* 0x1e is unused */
#define Hit_Set_Virtual_SI 0x1e
#define Hit_Set_Virtual_SD 0x1f
-#endif /* __ASM_MIPS_CACHEOPS_H */
+/*
+ * R5000-specific cacheops
+ */
+#define R5K_Page_Invalidate_S 0x17
+
+/*
+ * RM7000-specific cacheops
+ */
+#define Page_Invalidate_T 0x16
+
+/*
+ * R10000-specific cacheops
+ *
+ * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused.
+ * Most of the _S cacheops are identical to the R4000SC _SD cacheops.
+ */
+#define Index_Writeback_Inv_S 0x03
+#define Index_Load_Tag_S 0x07
+#define Index_Store_Tag_S 0x0B
+#define Hit_Invalidate_S 0x13
+#define Cache_Barrier 0x14
+#define Hit_Writeback_Inv_S 0x17
+#define Index_Load_Data_I 0x18
+#define Index_Load_Data_D 0x19
+#define Index_Load_Data_S 0x1b
+#define Index_Store_Data_I 0x1c
+#define Index_Store_Data_D 0x1d
+#define Index_Store_Data_S 0x1f
+
+#endif /* __ASM_CACHEOPS_H */
diff --git a/include/asm-mips/regdef.h b/include/asm-mips/regdef.h
index 691d047..7c8ecb6 100644
--- a/include/asm-mips/regdef.h
+++ b/include/asm-mips/regdef.h
@@ -1,15 +1,18 @@
/*
- * include/asm-mips/regdefs.h
- *
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1994, 1995 by Ralf Baechle
+ * Copyright (C) 1985 MIPS Computer Systems, Inc.
+ * Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle
+ * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
*/
+#ifndef _ASM_REGDEF_H
+#define _ASM_REGDEF_H
+
+#include <asm/sgidefs.h>
-#ifndef __ASM_MIPS_REGDEF_H
-#define __ASM_MIPS_REGDEF_H
+#if _MIPS_SIM == _MIPS_SIM_ABI32
/*
* Symbolic register names for 32 bit ABI
@@ -49,4 +52,49 @@
#define s8 $30 /* same like fp! */
#define ra $31 /* return address */
-#endif /* __ASM_MIPS_REGDEF_H */
+#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
+
+#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
+
+#define zero $0 /* wired zero */
+#define AT $at /* assembler temp - uppercase because of ".set at" */
+#define v0 $2 /* return value - caller saved */
+#define v1 $3
+#define a0 $4 /* argument registers */
+#define a1 $5
+#define a2 $6
+#define a3 $7
+#define a4 $8 /* arg reg 64 bit; caller saved in 32 bit */
+#define ta0 $8
+#define a5 $9
+#define ta1 $9
+#define a6 $10
+#define ta2 $10
+#define a7 $11
+#define ta3 $11
+#define t0 $12 /* caller saved */
+#define t1 $13
+#define t2 $14
+#define t3 $15
+#define s0 $16 /* callee saved */
+#define s1 $17
+#define s2 $18
+#define s3 $19
+#define s4 $20
+#define s5 $21
+#define s6 $22
+#define s7 $23
+#define t8 $24 /* caller saved */
+#define t9 $25 /* callee address for PIC/temp */
+#define jp $25 /* PIC jump register */
+#define k0 $26 /* kernel temporary */
+#define k1 $27
+#define gp $28 /* global pointer - caller saved for PIC */
+#define sp $29 /* stack pointer */
+#define fp $30 /* frame pointer */
+#define s8 $30 /* callee saved */
+#define ra $31 /* return address */
+
+#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
+
+#endif /* _ASM_REGDEF_H */
diff --git a/include/asm-mips/types.h b/include/asm-mips/types.h
index 707cbf4..2dd147f 100644
--- a/include/asm-mips/types.h
+++ b/include/asm-mips/types.h
@@ -1,5 +1,4 @@
-/* $Id: types.h,v 1.3 1999/08/18 23:37:50 ralf Exp $
- *
+/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
@@ -10,6 +9,8 @@
#ifndef _ASM_TYPES_H
#define _ASM_TYPES_H
+#ifndef __ASSEMBLY__
+
typedef unsigned short umode_t;
/*
@@ -40,11 +41,18 @@ __extension__ typedef unsigned long long __u64;
#endif
+#endif /* __ASSEMBLY__ */
+
/*
* These aren't exported outside the kernel to avoid name space clashes
*/
#ifdef __KERNEL__
+#define BITS_PER_LONG _MIPS_SZLONG
+
+#ifndef __ASSEMBLY__
+
+
typedef __signed char s8;
typedef unsigned char u8;
@@ -68,9 +76,24 @@ typedef unsigned long long u64;
#endif
-#define BITS_PER_LONG _MIPS_SZLONG
+#if (defined(CONFIG_HIGHMEM) && defined(CONFIG_64BIT_PHYS_ADDR)) \
+ || defined(CONFIG_64BIT)
+typedef u64 dma_addr_t;
+#else
+typedef u32 dma_addr_t;
+#endif
+typedef u64 dma64_addr_t;
+
+/*
+ * Don't use phys_t. You've been warned.
+ */
+#ifdef CONFIG_64BIT_PHYS_ADDR
+typedef unsigned long long phys_t;
+#else
+typedef unsigned long phys_t;
+#endif
-typedef unsigned long dma_addr_t;
+#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
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