04b6fa8330
facilities as well as support for the Octeon 2 family of SoCs.
XXX Note that with our antediluvian assembler, we can't support some Octeon 2
instructions and fall back to using the old ones instead.
1156 lines
40 KiB
C
1156 lines
40 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Cavium Networks nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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* This Software, including technical data, may be subject to U.S. export control
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* laws, including the U.S. Export Administration Act and its associated
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* regulations, and may be subject to export or import regulations in other
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* countries.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
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* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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***********************license end**************************************/
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/**
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* @file
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* Simple allocate only memory allocator. Used to allocate memory at application
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* start time.
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*
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* <hr>$Revision: 52119 $<hr>
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*
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*/
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#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
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#include <linux/module.h>
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#include <asm/octeon/cvmx.h>
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#include <asm/octeon/cvmx-bootmem.h>
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#else
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#if !defined(__FreeBSD__) || !defined(_KERNEL)
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#include "executive-config.h"
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#endif
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#include "cvmx.h"
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#include "cvmx-bootmem.h"
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#endif
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typedef uint32_t cvmx_spinlock_t;
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//#define DEBUG
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#define ULL unsigned long long
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#undef MAX
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#define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#undef MIN
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#define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#define ALIGN_ADDR_UP(addr, align) (((addr) + (~(align))) & (align))
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/**
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* This is the physical location of a cvmx_bootmem_desc_t
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* structure in Octeon's memory. Note that dues to addressing
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* limits or runtime environment it might not be possible to
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* create a C pointer to this structure.
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*/
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static CVMX_SHARED uint64_t cvmx_bootmem_desc_addr = 0;
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/**
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* This macro returns the size of a member of a structure.
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* Logically it is the same as "sizeof(s::field)" in C++, but
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* C lacks the "::" operator.
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*/
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#define SIZEOF_FIELD(s, field) sizeof(((s*)NULL)->field)
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/**
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* This macro returns a member of the cvmx_bootmem_desc_t
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* structure. These members can't be directly addressed as
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* they might be in memory not directly reachable. In the case
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* where bootmem is compiled with LINUX_HOST, the structure
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* itself might be located on a remote Octeon. The argument
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* "field" is the member name of the cvmx_bootmem_desc_t to read.
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* Regardless of the type of the field, the return type is always
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* a uint64_t.
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*/
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#define CVMX_BOOTMEM_DESC_GET_FIELD(field) \
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__cvmx_bootmem_desc_get(cvmx_bootmem_desc_addr, \
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offsetof(cvmx_bootmem_desc_t, field), \
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SIZEOF_FIELD(cvmx_bootmem_desc_t, field))
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/**
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* This macro writes a member of the cvmx_bootmem_desc_t
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* structure. These members can't be directly addressed as
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* they might be in memory not directly reachable. In the case
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* where bootmem is compiled with LINUX_HOST, the structure
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* itself might be located on a remote Octeon. The argument
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* "field" is the member name of the cvmx_bootmem_desc_t to write.
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*/
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#define CVMX_BOOTMEM_DESC_SET_FIELD(field, value) \
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__cvmx_bootmem_desc_set(cvmx_bootmem_desc_addr, \
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offsetof(cvmx_bootmem_desc_t, field), \
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SIZEOF_FIELD(cvmx_bootmem_desc_t, field), value)
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/**
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* This macro returns a member of the
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* cvmx_bootmem_named_block_desc_t structure. These members can't
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* be directly addressed as they might be in memory not directly
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* reachable. In the case where bootmem is compiled with
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* LINUX_HOST, the structure itself might be located on a remote
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* Octeon. The argument "field" is the member name of the
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* cvmx_bootmem_named_block_desc_t to read. Regardless of the type
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* of the field, the return type is always a uint64_t. The "addr"
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* parameter is the physical address of the structure.
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*/
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#define CVMX_BOOTMEM_NAMED_GET_FIELD(addr, field) \
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__cvmx_bootmem_desc_get(addr, \
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offsetof(cvmx_bootmem_named_block_desc_t, field), \
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SIZEOF_FIELD(cvmx_bootmem_named_block_desc_t, field))
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/**
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* This macro writes a member of the cvmx_bootmem_named_block_desc_t
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* structure. These members can't be directly addressed as
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* they might be in memory not directly reachable. In the case
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* where bootmem is compiled with LINUX_HOST, the structure
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* itself might be located on a remote Octeon. The argument
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* "field" is the member name of the
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* cvmx_bootmem_named_block_desc_t to write. The "addr" parameter
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* is the physical address of the structure.
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*/
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#define CVMX_BOOTMEM_NAMED_SET_FIELD(addr, field, value) \
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__cvmx_bootmem_desc_set(addr, \
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offsetof(cvmx_bootmem_named_block_desc_t, field), \
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SIZEOF_FIELD(cvmx_bootmem_named_block_desc_t, field), value)
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/**
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* This function is the implementation of the get macros defined
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* for individual structure members. The argument are generated
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* by the macros inorder to read only the needed memory.
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*
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* @param base 64bit physical address of the complete structure
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* @param offset Offset from the beginning of the structure to the member being
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* accessed.
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* @param size Size of the structure member.
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*
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* @return Value of the structure member promoted into a uint64_t.
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*/
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static inline uint64_t __cvmx_bootmem_desc_get(uint64_t base, int offset, int size)
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{
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base = (1ull << 63) | (base + offset);
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switch (size)
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{
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case 4:
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return cvmx_read64_uint32(base);
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case 8:
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return cvmx_read64_uint64(base);
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default:
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return 0;
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}
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}
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/**
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* This function is the implementation of the set macros defined
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* for individual structure members. The argument are generated
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* by the macros in order to write only the needed memory.
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*
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* @param base 64bit physical address of the complete structure
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* @param offset Offset from the beginning of the structure to the member being
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* accessed.
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* @param size Size of the structure member.
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* @param value Value to write into the structure
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*/
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static inline void __cvmx_bootmem_desc_set(uint64_t base, int offset, int size, uint64_t value)
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{
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base = (1ull << 63) | (base + offset);
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switch (size)
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{
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case 4:
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cvmx_write64_uint32(base, value);
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break;
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case 8:
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cvmx_write64_uint64(base, value);
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break;
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default:
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break;
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}
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}
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/**
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* This function retrieves the string name of a named block. It is
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* more complicated than a simple memcpy() since the named block
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* descriptor may not be directly accessable.
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*
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* @param addr Physical address of the named block descriptor
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* @param str String to receive the named block string name
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* @param len Length of the string buffer, which must match the length
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* stored in the bootmem descriptor.
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*/
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static void CVMX_BOOTMEM_NAMED_GET_NAME(uint64_t addr, char *str, int len)
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{
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#ifndef CVMX_BUILD_FOR_LINUX_HOST
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int l = len;
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char *ptr = str;
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addr |= (1ull << 63);
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addr += offsetof(cvmx_bootmem_named_block_desc_t, name);
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while (l--)
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*ptr++ = cvmx_read64_uint8(addr++);
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str[len] = 0;
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#else
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extern void octeon_remote_read_mem(void *buffer, uint64_t physical_address, int length);
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addr += offsetof(cvmx_bootmem_named_block_desc_t, name);
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octeon_remote_read_mem(str, addr, len);
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str[len] = 0;
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#endif
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}
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/**
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* This function stores the string name of a named block. It is
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* more complicated than a simple memcpy() since the named block
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* descriptor may not be directly accessable.
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*
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* @param addr Physical address of the named block descriptor
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* @param str String to store into the named block string name
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* @param len Length of the string buffer, which must match the length
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* stored in the bootmem descriptor.
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*/
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static void CVMX_BOOTMEM_NAMED_SET_NAME(uint64_t addr, const char *str, int len)
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{
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#ifndef CVMX_BUILD_FOR_LINUX_HOST
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int l = len;
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addr |= (1ull << 63);
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addr += offsetof(cvmx_bootmem_named_block_desc_t, name);
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while (l--)
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{
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if (l)
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cvmx_write64_uint8(addr++, *str++);
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else
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cvmx_write64_uint8(addr++, 0);
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}
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#else
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extern void octeon_remote_write_mem(uint64_t physical_address, const void *buffer, int length);
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char zero = 0;
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addr += offsetof(cvmx_bootmem_named_block_desc_t, name);
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octeon_remote_write_mem(addr, str, len-1);
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octeon_remote_write_mem(addr+len-1, &zero, 1);
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#endif
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}
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/* See header file for descriptions of functions */
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/* Wrapper functions are provided for reading/writing the size and next block
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** values as these may not be directly addressible (in 32 bit applications, for instance.)
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*/
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/* Offsets of data elements in bootmem list, must match cvmx_bootmem_block_header_t */
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#define NEXT_OFFSET 0
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#define SIZE_OFFSET 8
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static void cvmx_bootmem_phy_set_size(uint64_t addr, uint64_t size)
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{
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cvmx_write64_uint64((addr + SIZE_OFFSET) | (1ull << 63), size);
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}
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static void cvmx_bootmem_phy_set_next(uint64_t addr, uint64_t next)
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{
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cvmx_write64_uint64((addr + NEXT_OFFSET) | (1ull << 63), next);
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}
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static uint64_t cvmx_bootmem_phy_get_size(uint64_t addr)
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{
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return(cvmx_read64_uint64((addr + SIZE_OFFSET) | (1ull << 63)));
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}
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static uint64_t cvmx_bootmem_phy_get_next(uint64_t addr)
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{
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return(cvmx_read64_uint64((addr + NEXT_OFFSET) | (1ull << 63)));
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}
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/**
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* Check the version information on the bootmem descriptor
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*
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* @param exact_match
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* Exact major version to check against. A zero means
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* check that the version supports named blocks.
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*
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* @return Zero if the version is correct. Negative if the version is
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* incorrect. Failures also cause a message to be displayed.
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*/
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static int __cvmx_bootmem_check_version(int exact_match)
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{
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int major_version;
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#ifdef CVMX_BUILD_FOR_LINUX_HOST
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if (!cvmx_bootmem_desc_addr)
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cvmx_bootmem_desc_addr = cvmx_read64_uint64(0x24100);
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#endif
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major_version = CVMX_BOOTMEM_DESC_GET_FIELD(major_version);
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if ((major_version > 3) || (exact_match && major_version != exact_match))
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{
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cvmx_dprintf("ERROR: Incompatible bootmem descriptor version: %d.%d at addr: 0x%llx\n",
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major_version, (int)CVMX_BOOTMEM_DESC_GET_FIELD(minor_version),
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(ULL)cvmx_bootmem_desc_addr);
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return -1;
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}
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else
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return 0;
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}
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/**
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* Get the low level bootmem descriptor lock. If no locking
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* is specified in the flags, then nothing is done.
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*
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* @param flags CVMX_BOOTMEM_FLAG_NO_LOCKING means this functions should do
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* nothing. This is used to support nested bootmem calls.
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*/
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static inline void __cvmx_bootmem_lock(uint32_t flags)
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{
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if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
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{
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#ifndef CVMX_BUILD_FOR_LINUX_HOST
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/* Unfortunately we can't use the normal cvmx-spinlock code as the
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memory for the bootmem descriptor may be not accessable by a C
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pointer. We use a 64bit XKPHYS address to access the memory
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directly */
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uint64_t lock_addr = (1ull << 63) | (cvmx_bootmem_desc_addr + offsetof(cvmx_bootmem_desc_t, lock));
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unsigned int tmp;
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__asm__ __volatile__(
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".set noreorder \n"
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"1: ll %[tmp], 0(%[addr])\n"
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" bnez %[tmp], 1b \n"
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" li %[tmp], 1 \n"
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" sc %[tmp], 0(%[addr])\n"
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" beqz %[tmp], 1b \n"
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" nop \n"
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".set reorder \n"
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: [tmp] "=&r" (tmp)
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: [addr] "r" (lock_addr)
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: "memory");
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#endif
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}
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}
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/**
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* Release the low level bootmem descriptor lock. If no locking
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* is specified in the flags, then nothing is done.
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*
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* @param flags CVMX_BOOTMEM_FLAG_NO_LOCKING means this functions should do
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* nothing. This is used to support nested bootmem calls.
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*/
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static inline void __cvmx_bootmem_unlock(uint32_t flags)
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{
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if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
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{
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#ifndef CVMX_BUILD_FOR_LINUX_HOST
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/* Unfortunately we can't use the normal cvmx-spinlock code as the
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memory for the bootmem descriptor may be not accessable by a C
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pointer. We use a 64bit XKPHYS address to access the memory
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directly */
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uint64_t lock_addr = (1ull << 63) | (cvmx_bootmem_desc_addr + offsetof(cvmx_bootmem_desc_t, lock));
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CVMX_SYNCW;
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__asm__ __volatile__("sw $0, 0(%[addr])\n"
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:: [addr] "r" (lock_addr)
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: "memory");
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CVMX_SYNCW;
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#endif
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}
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}
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/* Some of the cvmx-bootmem functions dealing with C pointers are not supported
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when we are compiling for CVMX_BUILD_FOR_LINUX_HOST. This ifndef removes
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these functions when they aren't needed */
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#ifndef CVMX_BUILD_FOR_LINUX_HOST
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/* This functions takes an address range and adjusts it as necessary to
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** match the ABI that is currently being used. This is required to ensure
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** that bootmem_alloc* functions only return valid pointers for 32 bit ABIs */
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static int __cvmx_validate_mem_range(uint64_t *min_addr_ptr, uint64_t *max_addr_ptr)
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{
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#if defined(__linux__) && defined(CVMX_ABI_N32)
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{
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extern uint64_t linux_mem32_min;
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extern uint64_t linux_mem32_max;
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/* For 32 bit Linux apps, we need to restrict the allocations to the range
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** of memory configured for access from userspace. Also, we need to add mappings
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** for the data structures that we access.*/
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/* Narrow range requests to be bounded by the 32 bit limits. octeon_phy_mem_block_alloc()
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** will reject inconsistent req_size/range requests, so we don't repeat those checks here.
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** If max unspecified, set to 32 bit maximum. */
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*min_addr_ptr = MIN(MAX(*min_addr_ptr, linux_mem32_min), linux_mem32_max);
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if (!*max_addr_ptr)
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*max_addr_ptr = linux_mem32_max;
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else
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*max_addr_ptr = MAX(MIN(*max_addr_ptr, linux_mem32_max), linux_mem32_min);
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}
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#elif defined(CVMX_ABI_N32)
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{
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uint32_t max_phys = 0x0FFFFFFF; /* Max physical address when 1-1 mappings not used */
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#if CVMX_USE_1_TO_1_TLB_MAPPINGS
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max_phys = 0x7FFFFFFF;
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#endif
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/* We are are running standalone simple executive, so we need to limit the range
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** that we allocate from */
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/* Narrow range requests to be bounded by the 32 bit limits. octeon_phy_mem_block_alloc()
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** will reject inconsistent req_size/range requests, so we don't repeat those checks here.
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** If max unspecified, set to 32 bit maximum. */
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*min_addr_ptr = MIN(MAX(*min_addr_ptr, 0x0), max_phys);
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if (!*max_addr_ptr)
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*max_addr_ptr = max_phys;
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else
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*max_addr_ptr = MAX(MIN(*max_addr_ptr, max_phys), 0x0);
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}
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#endif
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return 0;
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}
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void *cvmx_bootmem_alloc_range(uint64_t size, uint64_t alignment, uint64_t min_addr, uint64_t max_addr)
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{
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int64_t address;
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__cvmx_validate_mem_range(&min_addr, &max_addr);
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address = cvmx_bootmem_phy_alloc(size, min_addr, max_addr, alignment, 0);
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if (address > 0)
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return cvmx_phys_to_ptr(address);
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else
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return NULL;
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}
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#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
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EXPORT_SYMBOL(cvmx_bootmem_alloc_range);
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#endif
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void *cvmx_bootmem_alloc_address(uint64_t size, uint64_t address, uint64_t alignment)
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{
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return cvmx_bootmem_alloc_range(size, alignment, address, address + size);
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}
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|
|
void *cvmx_bootmem_alloc(uint64_t size, uint64_t alignment)
|
|
{
|
|
return cvmx_bootmem_alloc_range(size, alignment, 0, 0);
|
|
}
|
|
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
|
|
EXPORT_SYMBOL(cvmx_bootmem_alloc);
|
|
#endif
|
|
|
|
void *cvmx_bootmem_alloc_named_range(uint64_t size, uint64_t min_addr, uint64_t max_addr, uint64_t align, const char *name)
|
|
{
|
|
int64_t addr;
|
|
|
|
__cvmx_validate_mem_range(&min_addr, &max_addr);
|
|
addr = cvmx_bootmem_phy_named_block_alloc(size, min_addr, max_addr, align, name, 0);
|
|
if (addr >= 0)
|
|
return cvmx_phys_to_ptr(addr);
|
|
else
|
|
return NULL;
|
|
|
|
}
|
|
void *cvmx_bootmem_alloc_named_address(uint64_t size, uint64_t address, const char *name)
|
|
{
|
|
return(cvmx_bootmem_alloc_named_range(size, address, address + size, 0, name));
|
|
}
|
|
void *cvmx_bootmem_alloc_named(uint64_t size, uint64_t alignment, const char *name)
|
|
{
|
|
return(cvmx_bootmem_alloc_named_range(size, 0, 0, alignment, name));
|
|
}
|
|
|
|
int cvmx_bootmem_free_named(const char *name)
|
|
{
|
|
return(cvmx_bootmem_phy_named_block_free(name, 0));
|
|
}
|
|
#endif
|
|
|
|
const cvmx_bootmem_named_block_desc_t *cvmx_bootmem_find_named_block(const char *name)
|
|
{
|
|
/* FIXME: Returning a single static object is probably a bad thing */
|
|
static cvmx_bootmem_named_block_desc_t desc;
|
|
uint64_t named_addr = cvmx_bootmem_phy_named_block_find(name, 0);
|
|
if (named_addr)
|
|
{
|
|
desc.base_addr = CVMX_BOOTMEM_NAMED_GET_FIELD(named_addr, base_addr);
|
|
desc.size = CVMX_BOOTMEM_NAMED_GET_FIELD(named_addr, size);
|
|
strncpy(desc.name, name, sizeof(desc.name));
|
|
desc.name[sizeof(desc.name)-1] = 0;
|
|
return &desc;
|
|
}
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
void cvmx_bootmem_print_named(void)
|
|
{
|
|
cvmx_bootmem_phy_named_block_print();
|
|
}
|
|
|
|
int cvmx_bootmem_init(uint64_t mem_desc_addr)
|
|
{
|
|
/* Verify that the size of cvmx_spinlock_t meets our assumptions */
|
|
if (sizeof(cvmx_spinlock_t) != 4)
|
|
{
|
|
cvmx_dprintf("ERROR: Unexpected size of cvmx_spinlock_t\n");
|
|
return(-1);
|
|
}
|
|
if (!cvmx_bootmem_desc_addr)
|
|
cvmx_bootmem_desc_addr = mem_desc_addr;
|
|
return(0);
|
|
}
|
|
|
|
|
|
uint64_t cvmx_bootmem_available_mem(uint64_t min_block_size)
|
|
{
|
|
return(cvmx_bootmem_phy_available_mem(min_block_size));
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
** The cvmx_bootmem_phy* functions below return 64 bit physical addresses,
|
|
** and expose more features that the cvmx_bootmem_functions above. These are
|
|
** required for full memory space access in 32 bit applications, as well as for
|
|
** using some advance features.
|
|
** Most applications should not need to use these.
|
|
**
|
|
**/
|
|
|
|
|
|
int64_t cvmx_bootmem_phy_alloc(uint64_t req_size, uint64_t address_min, uint64_t address_max, uint64_t alignment, uint32_t flags)
|
|
{
|
|
|
|
uint64_t head_addr;
|
|
uint64_t ent_addr;
|
|
uint64_t prev_addr = 0; /* points to previous list entry, NULL current entry is head of list */
|
|
uint64_t new_ent_addr = 0;
|
|
uint64_t desired_min_addr;
|
|
uint64_t alignment_mask = ~(alignment - 1);
|
|
|
|
#ifdef DEBUG
|
|
cvmx_dprintf("cvmx_bootmem_phy_alloc: req_size: 0x%llx, min_addr: 0x%llx, max_addr: 0x%llx, align: 0x%llx\n",
|
|
(ULL)req_size, (ULL)address_min, (ULL)address_max, (ULL)alignment);
|
|
#endif
|
|
|
|
if (__cvmx_bootmem_check_version(0))
|
|
goto error_out;
|
|
|
|
/* Do a variety of checks to validate the arguments. The allocator code will later assume
|
|
** that these checks have been made. We validate that the requested constraints are not
|
|
** self-contradictory before we look through the list of available memory
|
|
*/
|
|
|
|
/* 0 is not a valid req_size for this allocator */
|
|
if (!req_size)
|
|
goto error_out;
|
|
|
|
/* Round req_size up to mult of minimum alignment bytes */
|
|
req_size = (req_size + (CVMX_BOOTMEM_ALIGNMENT_SIZE - 1)) & ~(CVMX_BOOTMEM_ALIGNMENT_SIZE - 1);
|
|
|
|
/* Convert !0 address_min and 0 address_max to special case of range that specifies an exact
|
|
** memory block to allocate. Do this before other checks and adjustments so that this tranformation will be validated */
|
|
if (address_min && !address_max)
|
|
address_max = address_min + req_size;
|
|
else if (!address_min && !address_max)
|
|
address_max = ~0ull; /* If no limits given, use max limits */
|
|
|
|
|
|
|
|
|
|
/* Enforce minimum alignment (this also keeps the minimum free block
|
|
** req_size the same as the alignment req_size */
|
|
if (alignment < CVMX_BOOTMEM_ALIGNMENT_SIZE)
|
|
{
|
|
alignment = CVMX_BOOTMEM_ALIGNMENT_SIZE;
|
|
}
|
|
alignment_mask = ~(alignment - 1);
|
|
|
|
/* Adjust address minimum based on requested alignment (round up to meet alignment). Do this here so we can
|
|
** reject impossible requests up front. (NOP for address_min == 0) */
|
|
if (alignment)
|
|
address_min = (address_min + (alignment - 1)) & ~(alignment - 1);
|
|
|
|
|
|
/* Reject inconsistent args. We have adjusted these, so this may fail due to our internal changes
|
|
** even if this check would pass for the values the user supplied. */
|
|
if (req_size > address_max - address_min)
|
|
goto error_out;
|
|
|
|
/* Walk through the list entries - first fit found is returned */
|
|
|
|
__cvmx_bootmem_lock(flags);
|
|
head_addr = CVMX_BOOTMEM_DESC_GET_FIELD(head_addr);
|
|
ent_addr = head_addr;
|
|
while (ent_addr)
|
|
{
|
|
uint64_t usable_base, usable_max;
|
|
uint64_t ent_size = cvmx_bootmem_phy_get_size(ent_addr);
|
|
|
|
if (cvmx_bootmem_phy_get_next(ent_addr) && ent_addr > cvmx_bootmem_phy_get_next(ent_addr))
|
|
{
|
|
cvmx_dprintf("Internal bootmem_alloc() error: ent: 0x%llx, next: 0x%llx\n",
|
|
(ULL)ent_addr, (ULL)cvmx_bootmem_phy_get_next(ent_addr));
|
|
goto error_out;
|
|
}
|
|
|
|
/* Determine if this is an entry that can satisify the request */
|
|
/* Check to make sure entry is large enough to satisfy request */
|
|
usable_base = ALIGN_ADDR_UP(MAX(address_min, ent_addr), alignment_mask);
|
|
usable_max = MIN(address_max, ent_addr + ent_size);
|
|
/* We should be able to allocate block at address usable_base */
|
|
|
|
desired_min_addr = usable_base;
|
|
|
|
/* Determine if request can be satisfied from the current entry */
|
|
if ((((ent_addr + ent_size) > usable_base && ent_addr < address_max))
|
|
&& req_size <= usable_max - usable_base)
|
|
{
|
|
/* We have found an entry that has room to satisfy the request, so allocate it from this entry */
|
|
|
|
/* If end CVMX_BOOTMEM_FLAG_END_ALLOC set, then allocate from the end of this block
|
|
** rather than the beginning */
|
|
if (flags & CVMX_BOOTMEM_FLAG_END_ALLOC)
|
|
{
|
|
desired_min_addr = usable_max - req_size;
|
|
/* Align desired address down to required alignment */
|
|
desired_min_addr &= alignment_mask;
|
|
}
|
|
|
|
/* Match at start of entry */
|
|
if (desired_min_addr == ent_addr)
|
|
{
|
|
if (req_size < ent_size)
|
|
{
|
|
/* big enough to create a new block from top portion of block */
|
|
new_ent_addr = ent_addr + req_size;
|
|
cvmx_bootmem_phy_set_next(new_ent_addr, cvmx_bootmem_phy_get_next(ent_addr));
|
|
cvmx_bootmem_phy_set_size(new_ent_addr, ent_size - req_size);
|
|
|
|
/* Adjust next pointer as following code uses this */
|
|
cvmx_bootmem_phy_set_next(ent_addr, new_ent_addr);
|
|
}
|
|
|
|
/* adjust prev ptr or head to remove this entry from list */
|
|
if (prev_addr)
|
|
{
|
|
cvmx_bootmem_phy_set_next(prev_addr, cvmx_bootmem_phy_get_next(ent_addr));
|
|
}
|
|
else
|
|
{
|
|
/* head of list being returned, so update head ptr */
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(head_addr, cvmx_bootmem_phy_get_next(ent_addr));
|
|
}
|
|
__cvmx_bootmem_unlock(flags);
|
|
return(desired_min_addr);
|
|
}
|
|
|
|
|
|
/* block returned doesn't start at beginning of entry, so we know
|
|
** that we will be splitting a block off the front of this one. Create a new block
|
|
** from the beginning, add to list, and go to top of loop again.
|
|
**
|
|
** create new block from high portion of block, so that top block
|
|
** starts at desired addr
|
|
**/
|
|
new_ent_addr = desired_min_addr;
|
|
cvmx_bootmem_phy_set_next(new_ent_addr, cvmx_bootmem_phy_get_next(ent_addr));
|
|
cvmx_bootmem_phy_set_size(new_ent_addr, cvmx_bootmem_phy_get_size(ent_addr) - (desired_min_addr - ent_addr));
|
|
cvmx_bootmem_phy_set_size(ent_addr, desired_min_addr - ent_addr);
|
|
cvmx_bootmem_phy_set_next(ent_addr, new_ent_addr);
|
|
/* Loop again to handle actual alloc from new block */
|
|
}
|
|
|
|
prev_addr = ent_addr;
|
|
ent_addr = cvmx_bootmem_phy_get_next(ent_addr);
|
|
}
|
|
error_out:
|
|
/* We didn't find anything, so return error */
|
|
__cvmx_bootmem_unlock(flags);
|
|
return(-1);
|
|
}
|
|
|
|
|
|
|
|
int __cvmx_bootmem_phy_free(uint64_t phy_addr, uint64_t size, uint32_t flags)
|
|
{
|
|
uint64_t cur_addr;
|
|
uint64_t prev_addr = 0; /* zero is invalid */
|
|
int retval = 0;
|
|
|
|
#ifdef DEBUG
|
|
cvmx_dprintf("__cvmx_bootmem_phy_free addr: 0x%llx, size: 0x%llx\n", (ULL)phy_addr, (ULL)size);
|
|
#endif
|
|
if (__cvmx_bootmem_check_version(0))
|
|
return(0);
|
|
|
|
/* 0 is not a valid size for this allocator */
|
|
if (!size)
|
|
return(0);
|
|
|
|
|
|
__cvmx_bootmem_lock(flags);
|
|
cur_addr = CVMX_BOOTMEM_DESC_GET_FIELD(head_addr);
|
|
if (cur_addr == 0 || phy_addr < cur_addr)
|
|
{
|
|
/* add at front of list - special case with changing head ptr */
|
|
if (cur_addr && phy_addr + size > cur_addr)
|
|
goto bootmem_free_done; /* error, overlapping section */
|
|
else if (phy_addr + size == cur_addr)
|
|
{
|
|
/* Add to front of existing first block */
|
|
cvmx_bootmem_phy_set_next(phy_addr, cvmx_bootmem_phy_get_next(cur_addr));
|
|
cvmx_bootmem_phy_set_size(phy_addr, cvmx_bootmem_phy_get_size(cur_addr) + size);
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(head_addr, phy_addr);
|
|
|
|
}
|
|
else
|
|
{
|
|
/* New block before first block */
|
|
cvmx_bootmem_phy_set_next(phy_addr, cur_addr); /* OK if cur_addr is 0 */
|
|
cvmx_bootmem_phy_set_size(phy_addr, size);
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(head_addr, phy_addr);
|
|
}
|
|
retval = 1;
|
|
goto bootmem_free_done;
|
|
}
|
|
|
|
/* Find place in list to add block */
|
|
while (cur_addr && phy_addr > cur_addr)
|
|
{
|
|
prev_addr = cur_addr;
|
|
cur_addr = cvmx_bootmem_phy_get_next(cur_addr);
|
|
}
|
|
|
|
if (!cur_addr)
|
|
{
|
|
/* We have reached the end of the list, add on to end, checking
|
|
** to see if we need to combine with last block
|
|
**/
|
|
if (prev_addr + cvmx_bootmem_phy_get_size(prev_addr) == phy_addr)
|
|
{
|
|
cvmx_bootmem_phy_set_size(prev_addr, cvmx_bootmem_phy_get_size(prev_addr) + size);
|
|
}
|
|
else
|
|
{
|
|
cvmx_bootmem_phy_set_next(prev_addr, phy_addr);
|
|
cvmx_bootmem_phy_set_size(phy_addr, size);
|
|
cvmx_bootmem_phy_set_next(phy_addr, 0);
|
|
}
|
|
retval = 1;
|
|
goto bootmem_free_done;
|
|
}
|
|
else
|
|
{
|
|
/* insert between prev and cur nodes, checking for merge with either/both */
|
|
|
|
if (prev_addr + cvmx_bootmem_phy_get_size(prev_addr) == phy_addr)
|
|
{
|
|
/* Merge with previous */
|
|
cvmx_bootmem_phy_set_size(prev_addr, cvmx_bootmem_phy_get_size(prev_addr) + size);
|
|
if (phy_addr + size == cur_addr)
|
|
{
|
|
/* Also merge with current */
|
|
cvmx_bootmem_phy_set_size(prev_addr, cvmx_bootmem_phy_get_size(cur_addr) + cvmx_bootmem_phy_get_size(prev_addr));
|
|
cvmx_bootmem_phy_set_next(prev_addr, cvmx_bootmem_phy_get_next(cur_addr));
|
|
}
|
|
retval = 1;
|
|
goto bootmem_free_done;
|
|
}
|
|
else if (phy_addr + size == cur_addr)
|
|
{
|
|
/* Merge with current */
|
|
cvmx_bootmem_phy_set_size(phy_addr, cvmx_bootmem_phy_get_size(cur_addr) + size);
|
|
cvmx_bootmem_phy_set_next(phy_addr, cvmx_bootmem_phy_get_next(cur_addr));
|
|
cvmx_bootmem_phy_set_next(prev_addr, phy_addr);
|
|
retval = 1;
|
|
goto bootmem_free_done;
|
|
}
|
|
|
|
/* It is a standalone block, add in between prev and cur */
|
|
cvmx_bootmem_phy_set_size(phy_addr, size);
|
|
cvmx_bootmem_phy_set_next(phy_addr, cur_addr);
|
|
cvmx_bootmem_phy_set_next(prev_addr, phy_addr);
|
|
|
|
|
|
}
|
|
retval = 1;
|
|
|
|
bootmem_free_done:
|
|
__cvmx_bootmem_unlock(flags);
|
|
return(retval);
|
|
|
|
}
|
|
|
|
|
|
|
|
void cvmx_bootmem_phy_list_print(void)
|
|
{
|
|
uint64_t addr;
|
|
|
|
addr = CVMX_BOOTMEM_DESC_GET_FIELD(head_addr);
|
|
cvmx_dprintf("\n\n\nPrinting bootmem block list, descriptor: 0x%llx, head is 0x%llx\n",
|
|
(ULL)cvmx_bootmem_desc_addr, (ULL)addr);
|
|
cvmx_dprintf("Descriptor version: %d.%d\n",
|
|
(int)CVMX_BOOTMEM_DESC_GET_FIELD(major_version),
|
|
(int)CVMX_BOOTMEM_DESC_GET_FIELD(minor_version));
|
|
if (CVMX_BOOTMEM_DESC_GET_FIELD(major_version) > 3)
|
|
{
|
|
cvmx_dprintf("Warning: Bootmem descriptor version is newer than expected\n");
|
|
}
|
|
if (!addr)
|
|
{
|
|
cvmx_dprintf("mem list is empty!\n");
|
|
}
|
|
while (addr)
|
|
{
|
|
cvmx_dprintf("Block address: 0x%08qx, size: 0x%08qx, next: 0x%08qx\n",
|
|
(ULL)addr,
|
|
(ULL)cvmx_bootmem_phy_get_size(addr),
|
|
(ULL)cvmx_bootmem_phy_get_next(addr));
|
|
addr = cvmx_bootmem_phy_get_next(addr);
|
|
}
|
|
cvmx_dprintf("\n\n");
|
|
|
|
}
|
|
|
|
|
|
uint64_t cvmx_bootmem_phy_available_mem(uint64_t min_block_size)
|
|
{
|
|
uint64_t addr;
|
|
|
|
uint64_t available_mem = 0;
|
|
|
|
__cvmx_bootmem_lock(0);
|
|
addr = CVMX_BOOTMEM_DESC_GET_FIELD(head_addr);
|
|
while (addr)
|
|
{
|
|
if (cvmx_bootmem_phy_get_size(addr) >= min_block_size)
|
|
available_mem += cvmx_bootmem_phy_get_size(addr);
|
|
addr = cvmx_bootmem_phy_get_next(addr);
|
|
}
|
|
__cvmx_bootmem_unlock(0);
|
|
return(available_mem);
|
|
|
|
}
|
|
|
|
|
|
|
|
uint64_t cvmx_bootmem_phy_named_block_find(const char *name, uint32_t flags)
|
|
{
|
|
uint64_t result = 0;
|
|
|
|
#ifdef DEBUG
|
|
cvmx_dprintf("cvmx_bootmem_phy_named_block_find: %s\n", name);
|
|
#endif
|
|
__cvmx_bootmem_lock(flags);
|
|
if (!__cvmx_bootmem_check_version(3))
|
|
{
|
|
int i;
|
|
uint64_t named_block_array_addr = CVMX_BOOTMEM_DESC_GET_FIELD(named_block_array_addr);
|
|
int num_blocks = CVMX_BOOTMEM_DESC_GET_FIELD(named_block_num_blocks);
|
|
int name_length = CVMX_BOOTMEM_DESC_GET_FIELD(named_block_name_len);
|
|
uint64_t named_addr = named_block_array_addr;
|
|
for (i = 0; i < num_blocks; i++)
|
|
{
|
|
uint64_t named_size = CVMX_BOOTMEM_NAMED_GET_FIELD(named_addr, size);
|
|
if (name && named_size)
|
|
{
|
|
char name_tmp[name_length];
|
|
CVMX_BOOTMEM_NAMED_GET_NAME(named_addr, name_tmp, name_length);
|
|
if (!strncmp(name, name_tmp, name_length - 1))
|
|
{
|
|
result = named_addr;
|
|
break;
|
|
}
|
|
}
|
|
else if (!name && !named_size)
|
|
{
|
|
result = named_addr;
|
|
break;
|
|
}
|
|
named_addr += sizeof(cvmx_bootmem_named_block_desc_t);
|
|
}
|
|
}
|
|
__cvmx_bootmem_unlock(flags);
|
|
return result;
|
|
}
|
|
|
|
int cvmx_bootmem_phy_named_block_free(const char *name, uint32_t flags)
|
|
{
|
|
uint64_t named_block_addr;
|
|
|
|
if (__cvmx_bootmem_check_version(3))
|
|
return(0);
|
|
#ifdef DEBUG
|
|
cvmx_dprintf("cvmx_bootmem_phy_named_block_free: %s\n", name);
|
|
#endif
|
|
|
|
/* Take lock here, as name lookup/block free/name free need to be atomic */
|
|
__cvmx_bootmem_lock(flags);
|
|
|
|
named_block_addr = cvmx_bootmem_phy_named_block_find(name, CVMX_BOOTMEM_FLAG_NO_LOCKING);
|
|
if (named_block_addr)
|
|
{
|
|
uint64_t named_addr = CVMX_BOOTMEM_NAMED_GET_FIELD(named_block_addr, base_addr);
|
|
uint64_t named_size = CVMX_BOOTMEM_NAMED_GET_FIELD(named_block_addr, size);
|
|
#ifdef DEBUG
|
|
cvmx_dprintf("cvmx_bootmem_phy_named_block_free: %s, base: 0x%llx, size: 0x%llx\n",
|
|
name, (ULL)named_addr, (ULL)named_size);
|
|
#endif
|
|
__cvmx_bootmem_phy_free(named_addr, named_size, CVMX_BOOTMEM_FLAG_NO_LOCKING);
|
|
/* Set size to zero to indicate block not used. */
|
|
CVMX_BOOTMEM_NAMED_SET_FIELD(named_block_addr, size, 0);
|
|
}
|
|
__cvmx_bootmem_unlock(flags);
|
|
return(!!named_block_addr); /* 0 on failure, 1 on success */
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr, uint64_t max_addr, uint64_t alignment, const char *name, uint32_t flags)
|
|
{
|
|
int64_t addr_allocated;
|
|
uint64_t named_block_desc_addr;
|
|
|
|
#ifdef DEBUG
|
|
cvmx_dprintf("cvmx_bootmem_phy_named_block_alloc: size: 0x%llx, min: 0x%llx, max: 0x%llx, align: 0x%llx, name: %s\n",
|
|
(ULL)size,
|
|
(ULL)min_addr,
|
|
(ULL)max_addr,
|
|
(ULL)alignment,
|
|
name);
|
|
#endif
|
|
|
|
if (__cvmx_bootmem_check_version(3))
|
|
return(-1);
|
|
|
|
/* Take lock here, as name lookup/block alloc/name add need to be atomic */
|
|
|
|
__cvmx_bootmem_lock(flags);
|
|
|
|
named_block_desc_addr = cvmx_bootmem_phy_named_block_find(name, flags | CVMX_BOOTMEM_FLAG_NO_LOCKING);
|
|
if (named_block_desc_addr)
|
|
{
|
|
__cvmx_bootmem_unlock(flags);
|
|
return(-1);
|
|
}
|
|
|
|
/* Get pointer to first available named block descriptor */
|
|
named_block_desc_addr = cvmx_bootmem_phy_named_block_find(NULL, flags | CVMX_BOOTMEM_FLAG_NO_LOCKING);
|
|
if (!named_block_desc_addr)
|
|
{
|
|
__cvmx_bootmem_unlock(flags);
|
|
return(-1);
|
|
}
|
|
|
|
/* Round size up to mult of minimum alignment bytes
|
|
** We need the actual size allocated to allow for blocks to be coallesced
|
|
** when they are freed. The alloc routine does the same rounding up
|
|
** on all allocations. */
|
|
size = (size + (CVMX_BOOTMEM_ALIGNMENT_SIZE - 1)) & ~(CVMX_BOOTMEM_ALIGNMENT_SIZE - 1);
|
|
|
|
addr_allocated = cvmx_bootmem_phy_alloc(size, min_addr, max_addr, alignment, flags | CVMX_BOOTMEM_FLAG_NO_LOCKING);
|
|
if (addr_allocated >= 0)
|
|
{
|
|
CVMX_BOOTMEM_NAMED_SET_FIELD(named_block_desc_addr, base_addr, addr_allocated);
|
|
CVMX_BOOTMEM_NAMED_SET_FIELD(named_block_desc_addr, size, size);
|
|
CVMX_BOOTMEM_NAMED_SET_NAME(named_block_desc_addr, name, CVMX_BOOTMEM_DESC_GET_FIELD(named_block_name_len));
|
|
}
|
|
|
|
__cvmx_bootmem_unlock(flags);
|
|
return(addr_allocated);
|
|
}
|
|
|
|
|
|
|
|
|
|
void cvmx_bootmem_phy_named_block_print(void)
|
|
{
|
|
int i;
|
|
int printed = 0;
|
|
|
|
uint64_t named_block_array_addr = CVMX_BOOTMEM_DESC_GET_FIELD(named_block_array_addr);
|
|
int num_blocks = CVMX_BOOTMEM_DESC_GET_FIELD(named_block_num_blocks);
|
|
int name_length = CVMX_BOOTMEM_DESC_GET_FIELD(named_block_name_len);
|
|
uint64_t named_block_addr = named_block_array_addr;
|
|
|
|
#ifdef DEBUG
|
|
cvmx_dprintf("cvmx_bootmem_phy_named_block_print, desc addr: 0x%llx\n",
|
|
(ULL)cvmx_bootmem_desc_addr);
|
|
#endif
|
|
if (__cvmx_bootmem_check_version(3))
|
|
return;
|
|
cvmx_dprintf("List of currently allocated named bootmem blocks:\n");
|
|
for (i = 0; i < num_blocks; i++)
|
|
{
|
|
uint64_t named_size = CVMX_BOOTMEM_NAMED_GET_FIELD(named_block_addr, size);
|
|
if (named_size)
|
|
{
|
|
char name_tmp[name_length];
|
|
uint64_t named_addr = CVMX_BOOTMEM_NAMED_GET_FIELD(named_block_addr, base_addr);
|
|
CVMX_BOOTMEM_NAMED_GET_NAME(named_block_addr, name_tmp, name_length);
|
|
printed++;
|
|
cvmx_dprintf("Name: %s, address: 0x%08qx, size: 0x%08qx, index: %d\n",
|
|
name_tmp, (ULL)named_addr, (ULL)named_size, i);
|
|
}
|
|
named_block_addr += sizeof(cvmx_bootmem_named_block_desc_t);
|
|
}
|
|
if (!printed)
|
|
{
|
|
cvmx_dprintf("No named bootmem blocks exist.\n");
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/* Real physical addresses of memory regions */
|
|
#define OCTEON_DDR0_BASE (0x0ULL)
|
|
#define OCTEON_DDR0_SIZE (0x010000000ULL)
|
|
#define OCTEON_DDR1_BASE (OCTEON_IS_MODEL(OCTEON_CN6XXX) ? 0x20000000ULL : 0x410000000ULL)
|
|
#define OCTEON_DDR1_SIZE (0x010000000ULL)
|
|
#define OCTEON_DDR2_BASE (OCTEON_IS_MODEL(OCTEON_CN6XXX) ? 0x30000000ULL : 0x20000000ULL)
|
|
#define OCTEON_DDR2_SIZE (OCTEON_IS_MODEL(OCTEON_CN6XXX) ? 0x7d0000000ULL : 0x3e0000000ULL)
|
|
#define OCTEON_MAX_PHY_MEM_SIZE (OCTEON_IS_MODEL(OCTEON_CN63XX) ? 32*1024*1024*1024ULL : 16*1024*1024*1024ULL)
|
|
int64_t cvmx_bootmem_phy_mem_list_init(uint64_t mem_size, uint32_t low_reserved_bytes, cvmx_bootmem_desc_t *desc_buffer)
|
|
{
|
|
uint64_t cur_block_addr;
|
|
int64_t addr;
|
|
int i;
|
|
|
|
#ifdef DEBUG
|
|
cvmx_dprintf("cvmx_bootmem_phy_mem_list_init (arg desc ptr: %p, cvmx_bootmem_desc: 0x%llx)\n",
|
|
desc_buffer, (ULL)cvmx_bootmem_desc_addr);
|
|
#endif
|
|
|
|
/* Descriptor buffer needs to be in 32 bit addressable space to be compatible with
|
|
** 32 bit applications */
|
|
if (!desc_buffer)
|
|
{
|
|
cvmx_dprintf("ERROR: no memory for cvmx_bootmem descriptor provided\n");
|
|
return 0;
|
|
}
|
|
|
|
if (mem_size > OCTEON_MAX_PHY_MEM_SIZE)
|
|
{
|
|
mem_size = OCTEON_MAX_PHY_MEM_SIZE;
|
|
cvmx_dprintf("ERROR: requested memory size too large, truncating to maximum size\n");
|
|
}
|
|
|
|
if (cvmx_bootmem_desc_addr)
|
|
return 1;
|
|
|
|
/* Initialize cvmx pointer to descriptor */
|
|
#ifndef CVMX_BUILD_FOR_LINUX_HOST
|
|
cvmx_bootmem_init(cvmx_ptr_to_phys(desc_buffer));
|
|
#else
|
|
cvmx_bootmem_init((unsigned long)desc_buffer);
|
|
#endif
|
|
|
|
/* Fill the bootmem descriptor */
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(lock, 0);
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(flags, 0);
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(head_addr, 0);
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(major_version, CVMX_BOOTMEM_DESC_MAJ_VER);
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(minor_version, CVMX_BOOTMEM_DESC_MIN_VER);
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(app_data_addr, 0);
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(app_data_size, 0);
|
|
|
|
/* Set up global pointer to start of list, exclude low 64k for exception vectors, space for global descriptor */
|
|
cur_block_addr = (OCTEON_DDR0_BASE + low_reserved_bytes);
|
|
|
|
if (mem_size <= OCTEON_DDR0_SIZE)
|
|
{
|
|
__cvmx_bootmem_phy_free(cur_block_addr, mem_size - low_reserved_bytes, 0);
|
|
goto frees_done;
|
|
}
|
|
|
|
__cvmx_bootmem_phy_free(cur_block_addr, OCTEON_DDR0_SIZE - low_reserved_bytes, 0);
|
|
|
|
mem_size -= OCTEON_DDR0_SIZE;
|
|
|
|
/* Add DDR2 block next if present */
|
|
if (mem_size > OCTEON_DDR1_SIZE)
|
|
{
|
|
__cvmx_bootmem_phy_free(OCTEON_DDR1_BASE, OCTEON_DDR1_SIZE, 0);
|
|
__cvmx_bootmem_phy_free(OCTEON_DDR2_BASE, mem_size - OCTEON_DDR1_SIZE, 0);
|
|
}
|
|
else
|
|
{
|
|
__cvmx_bootmem_phy_free(OCTEON_DDR1_BASE, mem_size, 0);
|
|
|
|
}
|
|
frees_done:
|
|
|
|
/* Initialize the named block structure */
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(named_block_name_len, CVMX_BOOTMEM_NAME_LEN);
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(named_block_num_blocks, CVMX_BOOTMEM_NUM_NAMED_BLOCKS);
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(named_block_array_addr, 0);
|
|
|
|
/* Allocate this near the top of the low 256 MBytes of memory */
|
|
addr = cvmx_bootmem_phy_alloc(CVMX_BOOTMEM_NUM_NAMED_BLOCKS * sizeof(cvmx_bootmem_named_block_desc_t),0, 0x10000000, 0 ,CVMX_BOOTMEM_FLAG_END_ALLOC);
|
|
if (addr >= 0)
|
|
CVMX_BOOTMEM_DESC_SET_FIELD(named_block_array_addr, addr);
|
|
|
|
#ifdef DEBUG
|
|
cvmx_dprintf("cvmx_bootmem_phy_mem_list_init: named_block_array_addr: 0x%llx)\n",
|
|
(ULL)addr);
|
|
#endif
|
|
if (!addr)
|
|
{
|
|
cvmx_dprintf("FATAL ERROR: unable to allocate memory for bootmem descriptor!\n");
|
|
return(0);
|
|
}
|
|
for (i=0; i<CVMX_BOOTMEM_NUM_NAMED_BLOCKS; i++)
|
|
{
|
|
CVMX_BOOTMEM_NAMED_SET_FIELD(addr, base_addr, 0);
|
|
CVMX_BOOTMEM_NAMED_SET_FIELD(addr, size, 0);
|
|
addr += sizeof(cvmx_bootmem_named_block_desc_t);
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
void cvmx_bootmem_lock(void)
|
|
{
|
|
__cvmx_bootmem_lock(0);
|
|
}
|
|
|
|
void cvmx_bootmem_unlock(void)
|
|
{
|
|
__cvmx_bootmem_unlock(0);
|
|
}
|
|
|
|
#ifndef CVMX_BUILD_FOR_LINUX_HOST
|
|
void *__cvmx_bootmem_internal_get_desc_ptr(void)
|
|
{
|
|
return cvmx_phys_to_ptr(cvmx_bootmem_desc_addr);
|
|
}
|
|
#endif
|