mirror of
https://github.com/torvalds/linux.git
synced 2024-11-06 03:51:48 +00:00
88278ca27a
This patch removes the CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*
|
|
* palloc.c: Memory allocation from the Sun PROM.
|
|
*
|
|
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
|
|
*/
|
|
|
|
#include <asm/openprom.h>
|
|
#include <asm/oplib.h>
|
|
|
|
/* You should not call these routines after memory management
|
|
* has been initialized in the kernel, if fact you should not
|
|
* use these if at all possible in the kernel. They are mainly
|
|
* to be used for a bootloader for temporary allocations which
|
|
* it will free before jumping into the kernel it has loaded.
|
|
*
|
|
* Also, these routines don't work on V0 proms, only V2 and later.
|
|
*/
|
|
|
|
/* Allocate a chunk of memory of size 'num_bytes' giving a suggestion
|
|
* of virtual_hint as the preferred virtual base address of this chunk.
|
|
* There are no guarantees that you will get the allocation, or that
|
|
* the prom will abide by your "hint". So check your return value.
|
|
*/
|
|
char *
|
|
prom_alloc(char *virtual_hint, unsigned int num_bytes)
|
|
{
|
|
if(prom_vers == PROM_V0) return (char *) 0x0;
|
|
if(num_bytes == 0x0) return (char *) 0x0;
|
|
return (*(romvec->pv_v2devops.v2_dumb_mem_alloc))(virtual_hint, num_bytes);
|
|
}
|
|
|
|
/* Free a previously allocated chunk back to the prom at virtual address
|
|
* 'vaddr' of size 'num_bytes'. NOTE: This vaddr is not the hint you
|
|
* used for the allocation, but the virtual address the prom actually
|
|
* returned to you. They may be have been the same, they may have not,
|
|
* doesn't matter.
|
|
*/
|
|
void
|
|
prom_free(char *vaddr, unsigned int num_bytes)
|
|
{
|
|
if((prom_vers == PROM_V0) || (num_bytes == 0x0)) return;
|
|
(*(romvec->pv_v2devops.v2_dumb_mem_free))(vaddr, num_bytes);
|
|
return;
|
|
}
|