137 lines
5.2 KiB
C
137 lines
5.2 KiB
C
/* mm.h - prototypes and declarations for memory manager */
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/*
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* VAS_EBOOT -- GRand Unified Bootloader
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* Copyright (C) 2002,2007 Free Software Foundation, Inc.
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*
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* VAS_EBOOT is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* VAS_EBOOT is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with VAS_EBOOT. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef VAS_EBOOT_MM_H
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#define VAS_EBOOT_MM_H 1
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#include <VasEBoot/err.h>
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#include <VasEBoot/types.h>
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#include <VasEBoot/symbol.h>
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#include <config.h>
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#ifndef NULL
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# define NULL ((void *) 0)
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#endif
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#define VAS_EBOOT_MM_ADD_REGION_NONE 0
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#define VAS_EBOOT_MM_ADD_REGION_CONSECUTIVE (1 << 0)
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/*
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* Function used to request memory regions of `VasEBoot_size_t` bytes. The second
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* parameter is a bitfield of `VAS_EBOOT_MM_ADD_REGION` flags.
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*/
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typedef VasEBoot_err_t (*VasEBoot_mm_add_region_func_t) (VasEBoot_size_t, unsigned int);
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/*
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* Set this function pointer to enable adding memory-regions at runtime in case
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* a memory allocation cannot be satisfied with existing regions.
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*/
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#ifndef VAS_EBOOT_MACHINE_EMU
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extern VasEBoot_mm_add_region_func_t EXPORT_VAR(VasEBoot_mm_add_region_fn);
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#endif
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void VasEBoot_mm_init_region (void *addr, VasEBoot_size_t size);
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void *EXPORT_FUNC(VasEBoot_calloc) (VasEBoot_size_t nmemb, VasEBoot_size_t size);
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void *EXPORT_FUNC(VasEBoot_malloc) (VasEBoot_size_t size);
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void *EXPORT_FUNC(VasEBoot_zalloc) (VasEBoot_size_t size);
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void EXPORT_FUNC(VasEBoot_free) (void *ptr);
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void *EXPORT_FUNC(VasEBoot_realloc) (void *ptr, VasEBoot_size_t size);
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#ifndef VAS_EBOOT_MACHINE_EMU
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void *EXPORT_FUNC(VasEBoot_memalign) (VasEBoot_size_t align, VasEBoot_size_t size);
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#endif
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typedef VasEBoot_uint64_t VasEBoot_mem_attr_t;
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#define VAS_EBOOT_MEM_ATTR_R ((VasEBoot_mem_attr_t) 0x0000000000000004)
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#define VAS_EBOOT_MEM_ATTR_W ((VasEBoot_mem_attr_t) 0x0000000000000002)
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#define VAS_EBOOT_MEM_ATTR_X ((VasEBoot_mem_attr_t) 0x0000000000000001)
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#ifdef VAS_EBOOT_MACHINE_EFI
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VasEBoot_err_t EXPORT_FUNC(VasEBoot_get_mem_attrs) (VasEBoot_addr_t addr,
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VasEBoot_size_t size,
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VasEBoot_mem_attr_t *attrs);
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VasEBoot_err_t EXPORT_FUNC(VasEBoot_update_mem_attrs) (VasEBoot_addr_t addr,
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VasEBoot_size_t size,
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VasEBoot_mem_attr_t set_attrs,
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VasEBoot_mem_attr_t clear_attrs);
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#else /* !VAS_EBOOT_MACHINE_EFI */
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static inline VasEBoot_err_t
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VasEBoot_get_mem_attrs (VasEBoot_addr_t addr __attribute__((__unused__)),
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VasEBoot_size_t size __attribute__((__unused__)),
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VasEBoot_mem_attr_t *attrs)
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{
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*attrs = VAS_EBOOT_MEM_ATTR_R | VAS_EBOOT_MEM_ATTR_W | VAS_EBOOT_MEM_ATTR_X;
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return VAS_EBOOT_ERR_NONE;
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}
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static inline VasEBoot_err_t
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VasEBoot_update_mem_attrs (VasEBoot_addr_t addr __attribute__((__unused__)),
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VasEBoot_size_t size __attribute__((__unused__)),
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VasEBoot_mem_attr_t set_attrs __attribute__((__unused__)),
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VasEBoot_mem_attr_t clear_attrs __attribute__((__unused__)))
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{
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return VAS_EBOOT_ERR_NONE;
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}
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#endif /* VAS_EBOOT_MACHINE_EFI */
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void VasEBoot_mm_check_real (const char *file, int line);
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#define VasEBoot_mm_check() VasEBoot_mm_check_real (VAS_EBOOT_FILE, __LINE__);
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/* For debugging. */
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#if defined(MM_DEBUG) && !defined(VAS_EBOOT_UTIL) && !defined (VAS_EBOOT_MACHINE_EMU)
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/* Set this variable to 1 when you want to trace all memory function calls. */
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extern int EXPORT_VAR(VasEBoot_mm_debug);
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void EXPORT_FUNC(VasEBoot_mm_dump_free) (void);
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void EXPORT_FUNC(VasEBoot_mm_dump) (unsigned lineno);
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void EXPORT_FUNC(VasEBoot_mm_dump_regions) (void);
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#define VasEBoot_calloc(nmemb, size) \
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VasEBoot_debug_calloc (VAS_EBOOT_FILE, __LINE__, nmemb, size)
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#define VasEBoot_malloc(size) \
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VasEBoot_debug_malloc (VAS_EBOOT_FILE, __LINE__, size)
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#define VasEBoot_zalloc(size) \
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VasEBoot_debug_zalloc (VAS_EBOOT_FILE, __LINE__, size)
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#define VasEBoot_realloc(ptr,size) \
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VasEBoot_debug_realloc (VAS_EBOOT_FILE, __LINE__, ptr, size)
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#define VasEBoot_memalign(align,size) \
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VasEBoot_debug_memalign (VAS_EBOOT_FILE, __LINE__, align, size)
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#define VasEBoot_free(ptr) \
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VasEBoot_debug_free (VAS_EBOOT_FILE, __LINE__, ptr)
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void *EXPORT_FUNC(VasEBoot_debug_calloc) (const char *file, int line,
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VasEBoot_size_t nmemb, VasEBoot_size_t size);
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void *EXPORT_FUNC(VasEBoot_debug_malloc) (const char *file, int line,
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VasEBoot_size_t size);
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void *EXPORT_FUNC(VasEBoot_debug_zalloc) (const char *file, int line,
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VasEBoot_size_t size);
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void EXPORT_FUNC(VasEBoot_debug_free) (const char *file, int line, void *ptr);
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void *EXPORT_FUNC(VasEBoot_debug_realloc) (const char *file, int line, void *ptr,
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VasEBoot_size_t size);
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void *EXPORT_FUNC(VasEBoot_debug_memalign) (const char *file, int line,
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VasEBoot_size_t align, VasEBoot_size_t size);
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#endif /* MM_DEBUG && ! VAS_EBOOT_UTIL */
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#endif /* ! VAS_EBOOT_MM_H */
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