mirror of
https://github.com/torvalds/linux.git
synced 2024-12-20 18:11:47 +00:00
29c8a24672
This patch removes the Hades support that was marked as BROKEN 5 years ago. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
49 lines
1019 B
C
49 lines
1019 B
C
#ifndef __VIRT_CONVERT__
|
|
#define __VIRT_CONVERT__
|
|
|
|
/*
|
|
* Macros used for converting between virtual and physical mappings.
|
|
*/
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/mmzone.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/page.h>
|
|
|
|
/*
|
|
* Change virtual addresses to physical addresses and vv.
|
|
*/
|
|
static inline unsigned long virt_to_phys(void *address)
|
|
{
|
|
return __pa(address);
|
|
}
|
|
|
|
static inline void *phys_to_virt(unsigned long address)
|
|
{
|
|
return __va(address);
|
|
}
|
|
|
|
/* Permanent address of a page. */
|
|
#ifdef CONFIG_SINGLE_MEMORY_CHUNK
|
|
#define page_to_phys(page) \
|
|
__pa(PAGE_OFFSET + (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT))
|
|
#else
|
|
#define page_to_phys(_page) ({ \
|
|
struct page *__page = _page; \
|
|
struct pglist_data *pgdat; \
|
|
pgdat = pg_data_table[page_to_nid(__page)]; \
|
|
page_to_pfn(__page) << PAGE_SHIFT; \
|
|
})
|
|
#endif
|
|
|
|
/*
|
|
* IO bus memory addresses are 1:1 with the physical address,
|
|
*/
|
|
#define virt_to_bus virt_to_phys
|
|
#define bus_to_virt phys_to_virt
|
|
|
|
#endif
|
|
#endif
|