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Diffstat (limited to 'arch/parisc/include/asm/cache.h')
-rw-r--r--arch/parisc/include/asm/cache.h35
1 files changed, 20 insertions, 15 deletions
diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h
index 006fb939cac8..3f8d3be6ef24 100644
--- a/arch/parisc/include/asm/cache.h
+++ b/arch/parisc/include/asm/cache.h
@@ -16,16 +16,22 @@
#define L1_CACHE_BYTES 16
#define L1_CACHE_SHIFT 4
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#define SMP_CACHE_BYTES L1_CACHE_BYTES
-#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
+#ifdef CONFIG_PA20
+#define ARCH_DMA_MINALIGN 128
+#else
+#define ARCH_DMA_MINALIGN 32
+#endif
+#define ARCH_KMALLOC_MINALIGN 16 /* ldcw requires 16-byte alignment */
-#define __read_mostly __attribute__((__section__(".data..read_mostly")))
+#define arch_slab_minalign() ((unsigned)dcache_stride)
+#define cache_line_size() dcache_stride
+#define dma_get_cache_alignment cache_line_size
-/* Read-only memory is marked before mark_rodata_ro() is called. */
-#define __ro_after_init __read_mostly
+#define __read_mostly __section(".data..read_mostly")
void parisc_cache_init(void); /* initializes cache-flushing */
void disable_sr_hashing_asm(int); /* low level support for above */
@@ -40,28 +46,27 @@ extern int split_tlb;
extern int dcache_stride;
extern int icache_stride;
extern struct pdc_cache_info cache_info;
+extern struct pdc_btlb_info btlb_info;
void parisc_setup_cache_timing(void);
-#define pdtlb(addr) asm volatile("pdtlb 0(%%sr1,%0)" \
+#define pdtlb(sr, addr) asm volatile("pdtlb 0(%%sr%0,%1)" \
ALTERNATIVE(ALT_COND_NO_SMP, INSN_PxTLB) \
- : : "r" (addr))
-#define pitlb(addr) asm volatile("pitlb 0(%%sr1,%0)" \
+ : : "i"(sr), "r" (addr) : "memory")
+#define pitlb(sr, addr) asm volatile("pitlb 0(%%sr%0,%1)" \
ALTERNATIVE(ALT_COND_NO_SMP, INSN_PxTLB) \
ALTERNATIVE(ALT_COND_NO_SPLIT_TLB, INSN_NOP) \
- : : "r" (addr))
-#define pdtlb_kernel(addr) asm volatile("pdtlb 0(%0)" \
- ALTERNATIVE(ALT_COND_NO_SMP, INSN_PxTLB) \
- : : "r" (addr))
+ : : "i"(sr), "r" (addr) : "memory")
#define asm_io_fdc(addr) asm volatile("fdc %%r0(%0)" \
ALTERNATIVE(ALT_COND_NO_DCACHE, INSN_NOP) \
ALTERNATIVE(ALT_COND_NO_IOC_FDC, INSN_NOP) \
- : : "r" (addr))
+ : : "r" (addr) : "memory")
#define asm_io_sync() asm volatile("sync" \
ALTERNATIVE(ALT_COND_NO_DCACHE, INSN_NOP) \
- ALTERNATIVE(ALT_COND_NO_IOC_FDC, INSN_NOP) :: )
+ ALTERNATIVE(ALT_COND_NO_IOC_FDC, INSN_NOP) :::"memory")
+#define asm_syncdma() asm volatile("syncdma" :::"memory")
-#endif /* ! __ASSEMBLY__ */
+#endif /* ! __ASSEMBLER__ */
/* Classes of processor wrt: disabling space register hashing */