Commit c5157e58 authored by Michael Ellerman's avatar Michael Ellerman Committed by Paul Mackerras

powerpc: Consolidate CPU and firmware feature fixup macros

The CPU and firmware feature fixup macros are currently spread across
three files, firmware.h, cputable.h and asm-compat.h.  Consolidate them
into their own file, feature-fixups.h
Signed-off-by: default avatarMichael Ellerman <michael@ellerman.id.au>
Acked-by: default avatarKumar Gala <galak@kernel.crashing.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 51c52e86
...@@ -15,57 +15,6 @@ ...@@ -15,57 +15,6 @@
#endif #endif
/*
* Feature section common macros
*
* Note that the entries now contain offsets between the table entry
* and the code rather than absolute code pointers in order to be
* useable with the vdso shared library. There is also an assumption
* that values will be negative, that is, the fixup table has to be
* located after the code it fixes up.
*/
#ifdef CONFIG_PPC64
#ifdef __powerpc64__
/* 64 bits kernel, 64 bits code */
#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect) \
99: \
.section sect,"a"; \
.align 3; \
98: \
.llong msk; \
.llong val; \
.llong label##b-98b; \
.llong 99b-98b; \
.previous
#else /* __powerpc64__ */
/* 64 bits kernel, 32 bits code (ie. vdso32) */
#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect) \
99: \
.section sect,"a"; \
.align 3; \
98: \
.llong msk; \
.llong val; \
.long 0xffffffff; \
.long label##b-98b; \
.long 0xffffffff; \
.long 99b-98b; \
.previous
#endif /* !__powerpc64__ */
#else /* CONFIG_PPC64 */
/* 32 bits kernel, 32 bits code */
#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect) \
99: \
.section sect,"a"; \
.align 2; \
98: \
.long msk; \
.long val; \
.long label##b-98b; \
.long 99b-98b; \
.previous
#endif /* !CONFIG_PPC64 */
#ifdef __powerpc64__ #ifdef __powerpc64__
/* operations for longs and pointers */ /* operations for longs and pointers */
......
...@@ -32,6 +32,7 @@ ...@@ -32,6 +32,7 @@
#ifdef __KERNEL__ #ifdef __KERNEL__
#include <asm/asm-compat.h> #include <asm/asm-compat.h>
#include <asm/feature-fixups.h>
#ifndef __ASSEMBLY__ #ifndef __ASSEMBLY__
...@@ -489,18 +490,5 @@ static inline int cpu_has_feature(unsigned long feature) ...@@ -489,18 +490,5 @@ static inline int cpu_has_feature(unsigned long feature)
#endif /* !__ASSEMBLY__ */ #endif /* !__ASSEMBLY__ */
#ifdef __ASSEMBLY__
#define BEGIN_FTR_SECTION_NESTED(label) label:
#define BEGIN_FTR_SECTION BEGIN_FTR_SECTION_NESTED(97)
#define END_FTR_SECTION_NESTED(msk, val, label) \
MAKE_FTR_SECTION_ENTRY(msk, val, label, __ftr_fixup)
#define END_FTR_SECTION(msk, val) \
END_FTR_SECTION_NESTED(msk, val, 97)
#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 /* __KERNEL__ */ #endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_CPUTABLE_H */ #endif /* __ASM_POWERPC_CPUTABLE_H */
#ifndef __ASM_POWERPC_FEATURE_FIXUPS_H
#define __ASM_POWERPC_FEATURE_FIXUPS_H
/*
* 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.
*/
#ifdef __ASSEMBLY__
/*
* Feature section common macros
*
* Note that the entries now contain offsets between the table entry
* and the code rather than absolute code pointers in order to be
* useable with the vdso shared library. There is also an assumption
* that values will be negative, that is, the fixup table has to be
* located after the code it fixes up.
*/
#ifdef CONFIG_PPC64
#ifdef __powerpc64__
/* 64 bits kernel, 64 bits code */
#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect) \
99: \
.section sect,"a"; \
.align 3; \
98: \
.llong msk; \
.llong val; \
.llong label##b-98b; \
.llong 99b-98b; \
.previous
#else /* __powerpc64__ */
/* 64 bits kernel, 32 bits code (ie. vdso32) */
#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect) \
99: \
.section sect,"a"; \
.align 3; \
98: \
.llong msk; \
.llong val; \
.long 0xffffffff; \
.long label##b-98b; \
.long 0xffffffff; \
.long 99b-98b; \
.previous
#endif /* !__powerpc64__ */
#else /* CONFIG_PPC64 */
/* 32 bits kernel, 32 bits code */
#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect) \
99: \
.section sect,"a"; \
.align 2; \
98: \
.long msk; \
.long val; \
.long label##b-98b; \
.long 99b-98b; \
.previous
#endif /* !CONFIG_PPC64 */
/* CPU feature dependent sections */
#define BEGIN_FTR_SECTION_NESTED(label) label:
#define BEGIN_FTR_SECTION BEGIN_FTR_SECTION_NESTED(97)
#define END_FTR_SECTION_NESTED(msk, val, label) \
MAKE_FTR_SECTION_ENTRY(msk, val, label, __ftr_fixup)
#define END_FTR_SECTION(msk, val) \
END_FTR_SECTION_NESTED(msk, val, 97)
#define END_FTR_SECTION_IFSET(msk) END_FTR_SECTION((msk), (msk))
#define END_FTR_SECTION_IFCLR(msk) END_FTR_SECTION((msk), 0)
/* Firmware feature dependent sections */
#define BEGIN_FW_FTR_SECTION_NESTED(label) label:
#define BEGIN_FW_FTR_SECTION BEGIN_FW_FTR_SECTION_NESTED(97)
#define END_FW_FTR_SECTION_NESTED(msk, val, label) \
MAKE_FTR_SECTION_ENTRY(msk, val, label, __fw_ftr_fixup)
#define END_FW_FTR_SECTION(msk, val) \
END_FW_FTR_SECTION_NESTED(msk, val, 97)
#define END_FW_FTR_SECTION_IFSET(msk) END_FW_FTR_SECTION((msk), (msk))
#define END_FW_FTR_SECTION_IFCLR(msk) END_FW_FTR_SECTION((msk), 0)
#endif /* __ASSEMBLY__ */
#endif /* __ASM_POWERPC_FEATURE_FIXUPS_H */
...@@ -15,6 +15,7 @@ ...@@ -15,6 +15,7 @@
#ifdef __KERNEL__ #ifdef __KERNEL__
#include <asm/asm-compat.h> #include <asm/asm-compat.h>
#include <asm/feature-fixups.h>
/* firmware feature bitmask values */ /* firmware feature bitmask values */
#define FIRMWARE_MAX_FEATURES 63 #define FIRMWARE_MAX_FEATURES 63
...@@ -125,18 +126,6 @@ extern int fwnmi_active; ...@@ -125,18 +126,6 @@ extern int fwnmi_active;
extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup; extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
#else /* __ASSEMBLY__ */
#define BEGIN_FW_FTR_SECTION_NESTED(label) label:
#define BEGIN_FW_FTR_SECTION BEGIN_FW_FTR_SECTION_NESTED(97)
#define END_FW_FTR_SECTION_NESTED(msk, val, label) \
MAKE_FTR_SECTION_ENTRY(msk, val, label, __fw_ftr_fixup)
#define END_FW_FTR_SECTION(msk, val) \
END_FW_FTR_SECTION_NESTED(msk, val, 97)
#define END_FW_FTR_SECTION_IFSET(msk) END_FW_FTR_SECTION((msk), (msk))
#define END_FW_FTR_SECTION_IFCLR(msk) END_FW_FTR_SECTION((msk), 0)
#endif /* __ASSEMBLY__ */ #endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */ #endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_FIRMWARE_H */ #endif /* __ASM_POWERPC_FIRMWARE_H */
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