/* * include/asm-xtensa/cacheasm.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) 2006 Tensilica Inc. */ #include <asm/cache.h> #include <asm/asmmacro.h> #include <linux/stringify.h> /* * Define cache functions as macros here so that they can be used * by the kernel and boot loader. We should consider moving them to a * library that can be linked by both. * * Locking * * ___unlock_dcache_all * ___unlock_icache_all * * Flush and invaldating * * ___flush_invalidate_dcache_{all|range|page} * ___flush_dcache_{all|range|page} * ___invalidate_dcache_{all|range|page} * ___invalidate_icache_{all|range|page} * */ .macro __loop_cache_unroll ar at insn size line_width max_immed .if (1 << (\line_width)) > (\max_immed) .set _reps, 1 .elseif (2 << (\line_width)) > (\max_immed) .set _reps, 2 .else .set _reps, 4 .endif __loopi \ar, \at, \size, (_reps << (\line_width)) .set _index, 0 .rep _reps \insn \ar, _index << (\line_width) .set _index, _index + 1 .endr __endla \ar, \at, _reps << (\line_width) .endm .macro __loop_cache_all ar at insn size line_width max_immed movi \ar, 0 __loop_cache_unroll \ar, \at, \insn, \size, \line_width, \max_immed .endm .macro __loop_cache_range ar as at insn line_width extui \at, \ar, 0, \line_width add \as, \as, \at __loops \ar, \as, \at, \line_width \insn \ar, 0 __endla \ar, \at, (1 << (\line_width)) .endm .macro __loop_cache_page ar at insn line_width max_immed __loop_cache_unroll \ar, \at, \insn, PAGE_SIZE, \line_width, \max_immed .endm .macro ___unlock_dcache_all ar at #if XCHAL_DCACHE_LINE_LOCKABLE && XCHAL_DCACHE_SIZE __loop_cache_all \ar \at diu XCHAL_DCACHE_SIZE \ XCHAL_DCACHE_LINEWIDTH 240 #endif .endm .macro ___unlock_icache_all ar at #if XCHAL_ICACHE_LINE_LOCKABLE && XCHAL_ICACHE_SIZE __loop_cache_all \ar \at iiu XCHAL_ICACHE_SIZE \ XCHAL_ICACHE_LINEWIDTH 240 #endif .endm .macro ___flush_invalidate_dcache_all ar at #if XCHAL_DCACHE_SIZE __loop_cache_all \ar \at diwbi XCHAL_DCACHE_SIZE \ XCHAL_DCACHE_LINEWIDTH 240 #endif .endm .macro ___flush_dcache_all ar at #if XCHAL_DCACHE_SIZE __loop_cache_all \ar \at diwb XCHAL_DCACHE_SIZE \ XCHAL_DCACHE_LINEWIDTH 240 #endif .endm .macro ___invalidate_dcache_all ar at #if XCHAL_DCACHE_SIZE __loop_cache_all \ar \at dii XCHAL_DCACHE_SIZE \ XCHAL_DCACHE_LINEWIDTH 1020 #endif .endm .macro ___invalidate_icache_all ar at #if XCHAL_ICACHE_SIZE __loop_cache_all \ar \at iii XCHAL_ICACHE_SIZE \ XCHAL_ICACHE_LINEWIDTH 1020 #endif .endm .macro ___flush_invalidate_dcache_range ar as at #if XCHAL_DCACHE_SIZE __loop_cache_range \ar \as \at dhwbi XCHAL_DCACHE_LINEWIDTH #endif .endm .macro ___flush_dcache_range ar as at #if XCHAL_DCACHE_SIZE __loop_cache_range \ar \as \at dhwb XCHAL_DCACHE_LINEWIDTH #endif .endm .macro ___invalidate_dcache_range ar as at #if XCHAL_DCACHE_SIZE __loop_cache_range \ar \as \at dhi XCHAL_DCACHE_LINEWIDTH #endif .endm .macro ___invalidate_icache_range ar as at #if XCHAL_ICACHE_SIZE __loop_cache_range \ar \as \at ihi XCHAL_ICACHE_LINEWIDTH #endif .endm .macro ___flush_invalidate_dcache_page ar as #if XCHAL_DCACHE_SIZE __loop_cache_page \ar \as dhwbi XCHAL_DCACHE_LINEWIDTH 1020 #endif .endm .macro ___flush_dcache_page ar as #if XCHAL_DCACHE_SIZE __loop_cache_page \ar \as dhwb XCHAL_DCACHE_LINEWIDTH 1020 #endif .endm .macro ___invalidate_dcache_page ar as #if XCHAL_DCACHE_SIZE __loop_cache_page \ar \as dhi XCHAL_DCACHE_LINEWIDTH 1020 #endif .endm .macro ___invalidate_icache_page ar as #if XCHAL_ICACHE_SIZE __loop_cache_page \ar \as ihi XCHAL_ICACHE_LINEWIDTH 1020 #endif .endm
Name | Type | Size | Permission | Actions |
---|---|---|---|---|
Kbuild | File | 685 B | 0644 |
|
asm-offsets.h | File | 35 B | 0644 |
|
asm-uaccess.h | File | 4.11 KB | 0644 |
|
asmmacro.h | File | 2.76 KB | 0644 |
|
atomic.h | File | 7.38 KB | 0644 |
|
barrier.h | File | 542 B | 0644 |
|
bitops.h | File | 5.08 KB | 0644 |
|
bootparam.h | File | 1.37 KB | 0644 |
|
bugs.h | File | 451 B | 0644 |
|
cache.h | File | 969 B | 0644 |
|
cacheasm.h | File | 3.77 KB | 0644 |
|
cacheflush.h | File | 5.76 KB | 0644 |
|
checksum.h | File | 6 KB | 0644 |
|
cmpxchg.h | File | 3.9 KB | 0644 |
|
coprocessor.h | File | 5.05 KB | 0644 |
|
current.h | File | 675 B | 0644 |
|
delay.h | File | 1.63 KB | 0644 |
|
dma-mapping.h | File | 855 B | 0644 |
|
dma.h | File | 1.79 KB | 0644 |
|
elf.h | File | 5.75 KB | 0644 |
|
fixmap.h | File | 2.5 KB | 0644 |
|
flat.h | File | 686 B | 0644 |
|
ftrace.h | File | 979 B | 0644 |
|
futex.h | File | 2.59 KB | 0644 |
|
highmem.h | File | 2.33 KB | 0644 |
|
hw_breakpoint.h | File | 1.45 KB | 0644 |
|
hw_irq.h | File | 320 B | 0644 |
|
initialize_mmu.h | File | 4.58 KB | 0644 |
|
io.h | File | 2.09 KB | 0644 |
|
irq.h | File | 1.46 KB | 0644 |
|
irqflags.h | File | 1.99 KB | 0644 |
|
kmem_layout.h | File | 2.07 KB | 0644 |
|
mmu.h | File | 462 B | 0644 |
|
mmu_context.h | File | 3.62 KB | 0644 |
|
module.h | File | 525 B | 0644 |
|
mxregs.h | File | 1.3 KB | 0644 |
|
nommu_context.h | File | 602 B | 0644 |
|
page.h | File | 5.69 KB | 0644 |
|
pci-bridge.h | File | 2.16 KB | 0644 |
|
pci.h | File | 1.37 KB | 0644 |
|
perf_event.h | File | 108 B | 0644 |
|
pgalloc.h | File | 1.84 KB | 0644 |
|
pgtable.h | File | 14.89 KB | 0644 |
|
platform.h | File | 1.75 KB | 0644 |
|
processor.h | File | 7.44 KB | 0644 |
|
ptrace.h | File | 3.74 KB | 0644 |
|
regs.h | File | 3.87 KB | 0644 |
|
segment.h | File | 376 B | 0644 |
|
serial.h | File | 443 B | 0644 |
|
shmparam.h | File | 561 B | 0644 |
|
signal.h | File | 502 B | 0644 |
|
smp.h | File | 967 B | 0644 |
|
spinlock.h | File | 4.6 KB | 0644 |
|
spinlock_types.h | File | 412 B | 0644 |
|
stacktrace.h | File | 1.13 KB | 0644 |
|
string.h | File | 2.65 KB | 0644 |
|
switch_to.h | File | 601 B | 0644 |
|
syscall.h | File | 982 B | 0644 |
|
sysmem.h | File | 426 B | 0644 |
|
thread_info.h | File | 3.62 KB | 0644 |
|
timex.h | File | 1.79 KB | 0644 |
|
tlb.h | File | 1.1 KB | 0644 |
|
tlbflush.h | File | 5.53 KB | 0644 |
|
traps.h | File | 1.87 KB | 0644 |
|
types.h | File | 501 B | 0644 |
|
uaccess.h | File | 8.67 KB | 0644 |
|
ucontext.h | File | 540 B | 0644 |
|
unaligned.h | File | 864 B | 0644 |
|
unistd.h | File | 639 B | 0644 |
|
user.h | File | 507 B | 0644 |
|
vectors.h | File | 4.05 KB | 0644 |
|
vga.h | File | 434 B | 0644 |
|