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https://gitlab.com/qemu-project/openbios.git
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91148c0702
Concentrate memory and MMU management (lib.c malloc, romvec opb_, iommu, OF /memory) to lib.c. git-svn-id: svn://coreboot.org/openbios/openbios-devel@344 f158a5a8-5612-0410-a976-696ce0be7e32
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* Creation Date: <1999/11/16 00:47:06 samuel>
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* Time-stamp: <2003/10/18 13:28:14 samuel>
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*
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* <ofmem.h>
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*
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*
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*
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* Copyright (C) 1999, 2002 Samuel Rydh (samuel@ibrium.se)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation
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*
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*/
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#ifndef _H_OFMEM
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#define _H_OFMEM
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extern void ofmem_cleanup( void );
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extern void ofmem_init( void );
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extern ulong ofmem_claim( ulong addr, ulong size, ulong align );
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extern ulong ofmem_claim_phys( ulong mphys, ulong size, ulong align );
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extern ulong ofmem_claim_virt( ulong mvirt, ulong size, ulong align );
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extern int ofmem_map( ulong phys, ulong virt, ulong size, int mode );
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extern void ofmem_release( ulong virt, ulong size );
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extern ulong ofmem_translate( ulong virt, int *ret_mode );
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#ifdef CONFIG_PPC
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ulong get_ram_size( void );
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ulong get_ram_top( void );
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ulong get_ram_bottom( void );
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void dsi_exception( void );
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void isi_exception( void );
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void setup_mmu( ulong ramsize );
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void ofmem_register( phandle_t ph );
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#elif defined(CONFIG_SPARC32)
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#define PAGE_SHIFT 12
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#define PAGE_SIZE (1 << PAGE_SHIFT)
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#define PAGE_MASK (~(PAGE_SIZE - 1))
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#define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK)
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/* arch/sparc32/lib.c */
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struct mem;
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extern struct mem cdvmem;
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void mem_init(struct mem *t, char *begin, char *limit);
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void *mem_alloc(struct mem *t, int size, int align);
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int map_page(unsigned long va, uint64_t epa, int type);
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void *map_io(uint64_t pa, int size);
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#endif
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#endif /* _H_OFMEM */
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