a32e252f7c
This removes MMU_FTR_TLBIE_206 as we can now use CPU_FTR_HVMODE_206. It also changes the logic to select which tlbie to use to be based on this new CPU feature bit. This also duplicates the ASM_FTR_IF/SET/CLR defines for CPU features (copied from MMU features). Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
188 lines
6.7 KiB
C
188 lines
6.7 KiB
C
#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.
|
|
*/
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
#if defined(CONFIG_PPC64) && !defined(__powerpc64__)
|
|
/* 64 bits kernel, 32 bits code (ie. vdso32) */
|
|
#define FTR_ENTRY_LONG .llong
|
|
#define FTR_ENTRY_OFFSET .long 0xffffffff; .long
|
|
#elif defined(CONFIG_PPC64)
|
|
#define FTR_ENTRY_LONG .llong
|
|
#define FTR_ENTRY_OFFSET .llong
|
|
#else
|
|
#define FTR_ENTRY_LONG .long
|
|
#define FTR_ENTRY_OFFSET .long
|
|
#endif
|
|
|
|
#define START_FTR_SECTION(label) label##1:
|
|
|
|
#define FTR_SECTION_ELSE_NESTED(label) \
|
|
label##2: \
|
|
.pushsection __ftr_alt_##label,"a"; \
|
|
.align 2; \
|
|
label##3:
|
|
|
|
#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect) \
|
|
label##4: \
|
|
.popsection; \
|
|
.pushsection sect,"a"; \
|
|
.align 3; \
|
|
label##5: \
|
|
FTR_ENTRY_LONG msk; \
|
|
FTR_ENTRY_LONG val; \
|
|
FTR_ENTRY_OFFSET label##1b-label##5b; \
|
|
FTR_ENTRY_OFFSET label##2b-label##5b; \
|
|
FTR_ENTRY_OFFSET label##3b-label##5b; \
|
|
FTR_ENTRY_OFFSET label##4b-label##5b; \
|
|
.ifgt (label##4b- label##3b)-(label##2b- label##1b); \
|
|
.error "Feature section else case larger than body"; \
|
|
.endif; \
|
|
.popsection;
|
|
|
|
|
|
/* CPU feature dependent sections */
|
|
#define BEGIN_FTR_SECTION_NESTED(label) START_FTR_SECTION(label)
|
|
#define BEGIN_FTR_SECTION START_FTR_SECTION(97)
|
|
|
|
#define END_FTR_SECTION_NESTED(msk, val, label) \
|
|
FTR_SECTION_ELSE_NESTED(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)
|
|
|
|
/* CPU feature sections with alternatives, use BEGIN_FTR_SECTION to start */
|
|
#define FTR_SECTION_ELSE FTR_SECTION_ELSE_NESTED(97)
|
|
#define ALT_FTR_SECTION_END_NESTED(msk, val, label) \
|
|
MAKE_FTR_SECTION_ENTRY(msk, val, label, __ftr_fixup)
|
|
#define ALT_FTR_SECTION_END_NESTED_IFSET(msk, label) \
|
|
ALT_FTR_SECTION_END_NESTED(msk, msk, label)
|
|
#define ALT_FTR_SECTION_END_NESTED_IFCLR(msk, label) \
|
|
ALT_FTR_SECTION_END_NESTED(msk, 0, label)
|
|
#define ALT_FTR_SECTION_END(msk, val) \
|
|
ALT_FTR_SECTION_END_NESTED(msk, val, 97)
|
|
#define ALT_FTR_SECTION_END_IFSET(msk) \
|
|
ALT_FTR_SECTION_END_NESTED_IFSET(msk, 97)
|
|
#define ALT_FTR_SECTION_END_IFCLR(msk) \
|
|
ALT_FTR_SECTION_END_NESTED_IFCLR(msk, 97)
|
|
|
|
/* MMU feature dependent sections */
|
|
#define BEGIN_MMU_FTR_SECTION_NESTED(label) START_FTR_SECTION(label)
|
|
#define BEGIN_MMU_FTR_SECTION START_FTR_SECTION(97)
|
|
|
|
#define END_MMU_FTR_SECTION_NESTED(msk, val, label) \
|
|
FTR_SECTION_ELSE_NESTED(label) \
|
|
MAKE_FTR_SECTION_ENTRY(msk, val, label, __mmu_ftr_fixup)
|
|
|
|
#define END_MMU_FTR_SECTION(msk, val) \
|
|
END_MMU_FTR_SECTION_NESTED(msk, val, 97)
|
|
|
|
#define END_MMU_FTR_SECTION_IFSET(msk) END_MMU_FTR_SECTION((msk), (msk))
|
|
#define END_MMU_FTR_SECTION_IFCLR(msk) END_MMU_FTR_SECTION((msk), 0)
|
|
|
|
/* MMU feature sections with alternatives, use BEGIN_FTR_SECTION to start */
|
|
#define MMU_FTR_SECTION_ELSE_NESTED(label) FTR_SECTION_ELSE_NESTED(label)
|
|
#define MMU_FTR_SECTION_ELSE MMU_FTR_SECTION_ELSE_NESTED(97)
|
|
#define ALT_MMU_FTR_SECTION_END_NESTED(msk, val, label) \
|
|
MAKE_FTR_SECTION_ENTRY(msk, val, label, __mmu_ftr_fixup)
|
|
#define ALT_MMU_FTR_SECTION_END_NESTED_IFSET(msk, label) \
|
|
ALT_MMU_FTR_SECTION_END_NESTED(msk, msk, label)
|
|
#define ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(msk, label) \
|
|
ALT_MMU_FTR_SECTION_END_NESTED(msk, 0, label)
|
|
#define ALT_MMU_FTR_SECTION_END(msk, val) \
|
|
ALT_MMU_FTR_SECTION_END_NESTED(msk, val, 97)
|
|
#define ALT_MMU_FTR_SECTION_END_IFSET(msk) \
|
|
ALT_MMU_FTR_SECTION_END_NESTED_IFSET(msk, 97)
|
|
#define ALT_MMU_FTR_SECTION_END_IFCLR(msk) \
|
|
ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(msk, 97)
|
|
|
|
/* Firmware feature dependent sections */
|
|
#define BEGIN_FW_FTR_SECTION_NESTED(label) START_FTR_SECTION(label)
|
|
#define BEGIN_FW_FTR_SECTION START_FTR_SECTION(97)
|
|
|
|
#define END_FW_FTR_SECTION_NESTED(msk, val, label) \
|
|
FTR_SECTION_ELSE_NESTED(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)
|
|
|
|
/* Firmware feature sections with alternatives */
|
|
#define FW_FTR_SECTION_ELSE_NESTED(label) FTR_SECTION_ELSE_NESTED(label)
|
|
#define FW_FTR_SECTION_ELSE FTR_SECTION_ELSE_NESTED(97)
|
|
#define ALT_FW_FTR_SECTION_END_NESTED(msk, val, label) \
|
|
MAKE_FTR_SECTION_ENTRY(msk, val, label, __fw_ftr_fixup)
|
|
#define ALT_FW_FTR_SECTION_END_NESTED_IFSET(msk, label) \
|
|
ALT_FW_FTR_SECTION_END_NESTED(msk, msk, label)
|
|
#define ALT_FW_FTR_SECTION_END_NESTED_IFCLR(msk, label) \
|
|
ALT_FW_FTR_SECTION_END_NESTED(msk, 0, label)
|
|
#define ALT_FW_FTR_SECTION_END(msk, val) \
|
|
ALT_FW_FTR_SECTION_END_NESTED(msk, val, 97)
|
|
#define ALT_FW_FTR_SECTION_END_IFSET(msk) \
|
|
ALT_FW_FTR_SECTION_END_NESTED_IFSET(msk, 97)
|
|
#define ALT_FW_FTR_SECTION_END_IFCLR(msk) \
|
|
ALT_FW_FTR_SECTION_END_NESTED_IFCLR(msk, 97)
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#define ASM_FTR_IF(section_if, section_else, msk, val) \
|
|
stringify_in_c(BEGIN_FTR_SECTION) \
|
|
section_if "; " \
|
|
stringify_in_c(FTR_SECTION_ELSE) \
|
|
section_else "; " \
|
|
stringify_in_c(ALT_FTR_SECTION_END((msk), (val)))
|
|
|
|
#define ASM_FTR_IFSET(section_if, section_else, msk) \
|
|
ASM_FTR_IF(section_if, section_else, (msk), (msk))
|
|
|
|
#define ASM_FTR_IFCLR(section_if, section_else, msk) \
|
|
ASM_FTR_IF(section_if, section_else, (msk), 0)
|
|
|
|
#define ASM_MMU_FTR_IF(section_if, section_else, msk, val) \
|
|
stringify_in_c(BEGIN_MMU_FTR_SECTION) \
|
|
section_if "; " \
|
|
stringify_in_c(MMU_FTR_SECTION_ELSE) \
|
|
section_else "; " \
|
|
stringify_in_c(ALT_MMU_FTR_SECTION_END((msk), (val)))
|
|
|
|
#define ASM_MMU_FTR_IFSET(section_if, section_else, msk) \
|
|
ASM_MMU_FTR_IF(section_if, section_else, (msk), (msk))
|
|
|
|
#define ASM_MMU_FTR_IFCLR(section_if, section_else, msk) \
|
|
ASM_MMU_FTR_IF(section_if, section_else, (msk), 0)
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
/* LWSYNC feature sections */
|
|
#define START_LWSYNC_SECTION(label) label##1:
|
|
#define MAKE_LWSYNC_SECTION_ENTRY(label, sect) \
|
|
label##2: \
|
|
.pushsection sect,"a"; \
|
|
.align 2; \
|
|
label##3: \
|
|
FTR_ENTRY_OFFSET label##1b-label##3b; \
|
|
.popsection;
|
|
|
|
#endif /* __ASM_POWERPC_FEATURE_FIXUPS_H */
|