diff options
Diffstat (limited to 'cvmx-tlb.h')
| -rw-r--r-- | cvmx-tlb.h | 101 |
1 files changed, 3 insertions, 98 deletions
diff --git a/cvmx-tlb.h b/cvmx-tlb.h index bc203627b6b1..62f3350663fb 100644 --- a/cvmx-tlb.h +++ b/cvmx-tlb.h @@ -1,5 +1,5 @@ /***********************license start*************** - * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights + * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights * reserved. * * @@ -15,7 +15,7 @@ * disclaimer in the documentation and/or other materials provided * with the distribution. - * * Neither the name of Cavium Networks nor the names of + * * Neither the name of Cavium Inc. nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. @@ -26,7 +26,7 @@ * countries. * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" - * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR + * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM @@ -54,40 +54,6 @@ extern "C" { #endif -#define CVMX_TLB_PAGEMASK_4K (0x3 << 11) -#define CVMX_TLB_PAGEMASK_16K (0xF << 11) -#define CVMX_TLB_PAGEMASK_64K (0x3F << 11) -#define CVMX_TLB_PAGEMASK_256K (0xFF << 11) -#define CVMX_TLB_PAGEMASK_1M (0x3FF << 11) -#define CVMX_TLB_PAGEMASK_4M (0xFFF << 11) -#define CVMX_TLB_PAGEMASK_16M (0x3FFF << 11) -#define CVMX_TLB_PAGEMASK_64M (0xFFFF << 11) -#define CVMX_TLB_PAGEMASK_256M (0x3FFFF << 11) - -#define PAGE_MASK ( ~(( 1<< 12 ) -1)) - -/** - * Set up a wired entry. This function is designed to be used by Simple - * Executive to set up its virtual to physical address mapping at start up - * time. After the mapping is set up, the remaining unused TLB entries can - * be use for run time shared memory mapping. - * - * Calling this function causes the C0 wired index register to increase. - * Wired index register points to the separation between fixed TLB mapping - * and run time shared memory mapping. - * - * @param hi Entry Hi - * @param lo0 Entry Low0 - * @param lo1 Entry Low1 - * @pagam pagemask Pagemask - * - * @return 0: the entry is added - * @return -1: out of TLB entry - */ -int cvmx_tlb_add_wired_entry( uint64_t hi, uint64_t lo0, - uint64_t lo1, uint64_t pagemask); - - /** * Find a free entry that can be used for share memory mapping. * @@ -166,22 +132,6 @@ int cvmx_tlb_lookup(uint64_t vaddr); */ void cvmx_tlb_dump_all(void); -/** - * Query for total number of TLBs of the core - * - * @return Total number of TLB entries available on the core - */ -static inline uint32_t cvmx_tlb_size_limit(void) -{ - uint32_t tlb_size_limit = 0; - - if (OCTEON_IS_MODEL(OCTEON_CN63XX)) tlb_size_limit = 128; - else if (OCTEON_IS_MODEL(OCTEON_CN5XXX)) tlb_size_limit = 64; - else if (OCTEON_IS_MODEL(OCTEON_CN3XXX)) tlb_size_limit = 32; - - return tlb_size_limit; -} - /* * @INTERNAL * return the next power of two value for the given input <v> @@ -218,51 +168,6 @@ static inline int __is_power_of_two(uint64_t v) return (num_of_1s == 1 ); } - -/** - * @INTERNAL - * - * Find last bit set 64bit version - * - * @param x the integer to find leading 1 - * - * @return >=0 the bit position (0..63) of the most significant 1 bit in a word - * -1 if no 1 bit exists - */ -static inline uint64_t __fls64(uint64_t x) -{ - int lz; - - if (sizeof(x) != 8) return 0; - - __asm__( - " .set push \n" - " .set mips64 \n" - " dclz %0, %1 \n" - " .set pop \n" - : "=r" (lz) - : "r" (x)); - - return 63 - lz; -} - -/** - * @INTERNAL - * Compute log2(v), only works if v is power of two. - * - * @param v the input value - * @return log2(v) - */ -static inline uint32_t __log2(uint64_t v) -{ - uint32_t log2 = 0 ; - - if (v) log2 = __fls64(v); - - return log2; -} - - #ifdef __cplusplus } #endif |