- 根目录:
- arch
- mips
- include
- asm
- mach-cavium-octeon
- cpu-feature-overrides.h
#ifndef __ASM_MACH_CAVIUM_OCTEON_CPU_FEATURE_OVERRIDES_H
#define __ASM_MACH_CAVIUM_OCTEON_CPU_FEATURE_OVERRIDES_H
#include <linux/types.h>
#include <asm/mipsregs.h>
#define cpu_dcache_line_size() 128
#define cpu_icache_line_size() 128
#define cpu_has_4kex 1
#define cpu_has_3k_cache 0
#define cpu_has_4k_cache 0
#define cpu_has_tx39_cache 0
#define cpu_has_fpu 0
#define cpu_has_counter 1
#define cpu_has_watch 1
#define cpu_has_divec 1
#define cpu_has_vce 0
#define cpu_has_cache_cdex_p 0
#define cpu_has_cache_cdex_s 0
#define cpu_has_prefetch 1
#define cpu_has_llsc 1
#ifdef CONFIG_SMP
# define kernel_uses_llsc 1
#else
# define kernel_uses_llsc 0
#endif
#define cpu_has_vtag_icache 1
#define cpu_has_dc_aliases 0
#define cpu_has_ic_fills_f_dc 0
#define cpu_has_64bits 1
#define cpu_has_octeon_cache 1
#define cpu_has_saa octeon_has_saa()
#define cpu_has_mips32r1 0
#define cpu_has_mips32r2 0
#define cpu_has_mips64r1 0
#define cpu_has_mips64r2 1
#define cpu_has_mips_r2_exec_hazard 0
#define cpu_has_dsp 0
#define cpu_has_mipsmt 0
#define cpu_has_vint 0
#define cpu_has_veic 0
#define cpu_hwrena_impl_bits 0xc0000000
#define kernel_uses_smartmips_rixi (cpu_data[0].cputype != CPU_CAVIUM_OCTEON)
#define ARCH_HAS_IRQ_PER_CPU 1
#define ARCH_HAS_SPINLOCK_PREFETCH 1
#define spin_lock_prefetch(x) prefetch(x)
#define PREFETCH_STRIDE 128
#ifdef __OCTEON__
#define ARCH_HAS_USABLE_BUILTIN_POPCOUNT 1
#endif
static inline int octeon_has_saa(void)
{
int id;
asm volatile ("mfc0 %0, $15,0" : "=r" (id));
return id >= 0x000d0300;
}
#define MAX_DMA32_PFN (((1ULL << 32) - (1ULL << 28)) >> PAGE_SHIFT)
#endif
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