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| author | Paul Mackerras <paulus@samba.org> | 2005-10-31 03:37:12 +0100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-10-31 03:37:12 +0100 |
| commit | 23fd07750a789a66fe88cf173d52a18f1a387da4 (patch) | |
| tree | 06fdd6df35fdb835abdaa9b754d62f6b84b97250 /include/asm-arm/memory.h | |
| parent | ppc: remove duplicate export of cur_cpu_spec (diff) | |
| parent | Merge master.kernel.org:/home/rmk/linux-2.6-serial (diff) | |
| download | linux-23fd07750a789a66fe88cf173d52a18f1a387da4.tar.xz linux-23fd07750a789a66fe88cf173d52a18f1a387da4.zip | |
Merge ../linux-2.6 by hand
Diffstat (limited to 'include/asm-arm/memory.h')
| -rw-r--r-- | include/asm-arm/memory.h | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h index a8a933a775db..a547ee598c6c 100644 --- a/include/asm-arm/memory.h +++ b/include/asm-arm/memory.h @@ -12,6 +12,16 @@ #ifndef __ASM_ARM_MEMORY_H #define __ASM_ARM_MEMORY_H +/* + * Allow for constants defined here to be used from assembly code + * by prepending the UL suffix only with actual C code compilation. + */ +#ifndef __ASSEMBLY__ +#define UL(x) (x##UL) +#else +#define UL(x) (x) +#endif + #include <linux/config.h> #include <linux/compiler.h> #include <asm/arch/memory.h> @@ -21,20 +31,20 @@ * TASK_SIZE - the maximum size of a user space task. * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area */ -#define TASK_SIZE (0xbf000000UL) -#define TASK_UNMAPPED_BASE (0x40000000UL) +#define TASK_SIZE UL(0xbf000000) +#define TASK_UNMAPPED_BASE UL(0x40000000) #endif /* * The maximum size of a 26-bit user space task. */ -#define TASK_SIZE_26 (0x04000000UL) +#define TASK_SIZE_26 UL(0x04000000) /* * Page offset: 3GB */ #ifndef PAGE_OFFSET -#define PAGE_OFFSET (0xc0000000UL) +#define PAGE_OFFSET UL(0xc0000000) #endif /* @@ -58,6 +68,13 @@ #error Top of user space clashes with start of module space #endif +/* + * The XIP kernel gets mapped at the bottom of the module vm area. + * Since we use sections to map it, this macro replaces the physical address + * with its virtual address while keeping offset from the base section. + */ +#define XIP_VIRT_ADDR(physaddr) (MODULE_START + ((physaddr) & 0x000fffff)) + #ifndef __ASSEMBLY__ /* |