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extract ofmem module implementation (Igor Kovalenko)

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git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@525 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Blue Swirl
2009-08-02 11:05:16 +00:00
parent a4c4f46834
commit defe01ae5c
2 changed files with 72 additions and 8 deletions
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79
include/ofmem.h
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@@ -17,25 +17,88 @@
#ifndef _H_OFMEM
#define _H_OFMEM
#include "openbios/stack.h"
typedef struct alloc_desc {
struct alloc_desc *next;
ucell size; /* size (including) this struct */
} alloc_desc_t;
typedef struct mem_range {
struct mem_range *next;
ucell start;
ucell size;
} range_t;
typedef struct trans {
struct trans *next;
ucell virt; /* chain is sorted by virt */
ucell size;
ucell phys;
ucell mode;
} translation_t;
/* ofmem private data */
typedef struct {
ucell ramsize;
char *next_malloc;
alloc_desc_t *mfree; /* list of free malloc blocks */
range_t *phys_range;
range_t *virt_range;
translation_t *trans; /* this is really a translation_t */
} ofmem_t;
/* TODO: temporary migration interface */
extern ofmem_t* ofmem_arch_get_private(void);
extern void* ofmem_arch_get_malloc_base(void);
extern ucell ofmem_arch_get_heap_top(void);
extern ucell ofmem_arch_get_virt_top(void);
extern ucell ofmem_arch_default_translation_mode( ucell phys );
extern void ofmem_arch_early_map_pages(ucell phys, ucell virt, ucell size,
ucell mode);
extern void ofmem_arch_unmap_pages(ucell virt, ucell size);
/* sparc64 uses this method */
extern int ofmem_map_page_range( ucell phys, ucell virt, ucell size,
ucell mode );
/* malloc interface */
extern void* ofmem_malloc( size_t size );
extern void ofmem_free( void *ptr );
extern void* ofmem_realloc( void *ptr, size_t size );
/* ofmem_common.c */
extern void ofmem_cleanup( void );
extern void ofmem_init( void );
extern ucell ofmem_claim( ucell addr, ucell size, ucell align );
extern ucell ofmem_claim_phys( ucell mphys, ucell size, ucell align );
extern ucell ofmem_claim_virt( ucell mvirt, ucell size, ucell align );
/*
* register /memory and /virtual-memory handles
* ofmem module will update "available" and "translations" properties
* using these handles
*
* to disable updating /memory properties pass zero memory handle
*/
extern void ofmem_register( phandle_t ph_memory, phandle_t ph_mmu );
extern int ofmem_map( ucell phys, ucell virt, ucell size, ucell mode );
extern ucell ofmem_claim( ucell addr, ucell size, ucell align );
extern ucell ofmem_claim_phys( ucell mphys, ucell size, ucell align );
extern ucell ofmem_claim_virt( ucell mvirt, ucell size, ucell align );
extern void ofmem_release( ucell virt, ucell size );
extern ucell ofmem_translate( ucell virt, ucell *ret_mode );
extern int ofmem_map( ucell phys, ucell virt, ucell size, ucell mode );
extern int ofmem_unmap( ucell virt, ucell size );
extern void ofmem_release_phys( ucell phys, ucell size );
extern void ofmem_release_virt( ucell virt, ucell size );
extern ucell ofmem_translate( ucell virt, ucell *ret_mode );
#ifdef CONFIG_PPC
#define PAGE_SHIFT 12
ulong get_ram_size( void );
ulong get_ram_top( void );
ulong get_ram_bottom( void );
void ofmem_register( phandle_t ph );
#elif defined(CONFIG_SPARC32)
#define PAGE_SHIFT 12

1
modules/build.xml
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@@ -23,6 +23,7 @@
<object source="sun-parts.c" condition="SUN_PARTS"/>
<object source="font_8x8.c" condition="FONT_8X8"/>
<object source="font_8x16.c" condition="FONT_8X16"/>
<object source="ofmem_common.c" condition="OFMEM"/>
</library>
<dictionary name="openbios" target="forth">