| Andi Kleen | f2d3efe | 2006-03-25 16:30:22 +0100 | [diff] [blame] | 1 | #ifndef _ASM_DMI_H |
| 2 | #define _ASM_DMI_H 1 |
| 3 | |
| 4 | #include <asm/io.h> |
| 5 | |
| Andi Kleen | f2d3efe | 2006-03-25 16:30:22 +0100 | [diff] [blame] | 6 | #define DMI_MAX_DATA 2048 |
| 7 | |
| 8 | extern int dmi_alloc_index; |
| 9 | extern char dmi_alloc_data[DMI_MAX_DATA]; |
| 10 | |
| Yinghai Lu | af3e9a2 | 2007-07-21 17:10:04 +0200 | [diff] [blame] | 11 | /* This is so early that there is no good way to allocate dynamic memory. |
| Andi Kleen | f2d3efe | 2006-03-25 16:30:22 +0100 | [diff] [blame] | 12 | Allocate data in an BSS array. */ |
| 13 | static inline void *dmi_alloc(unsigned len) |
| 14 | { |
| 15 | int idx = dmi_alloc_index; |
| 16 | if ((dmi_alloc_index += len) > DMI_MAX_DATA) |
| 17 | return NULL; |
| 18 | return dmi_alloc_data + idx; |
| 19 | } |
| 20 | |
| 21 | #define dmi_ioremap early_ioremap |
| 22 | #define dmi_iounmap early_iounmap |
| 23 | |
| 24 | #endif |