mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 12:26:41 +07:00
28 lines
773 B
C
28 lines
773 B
C
#ifndef _ASM_CRIS_ARCH_PAGE_H
|
|
#define _ASM_CRIS_ARCH_PAGE_H
|
|
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#define PAGE_OFFSET KSEG_C /* kseg_c is mapped to physical ram. */
|
|
|
|
/*
|
|
* Macros to convert between physical and virtual addresses. By stripping a
|
|
* selected bit it's possible to convert between KSEG_x and 0x40000000 where the
|
|
* DRAM really resides. DRAM is virtually at 0xc.
|
|
*/
|
|
#ifndef CONFIG_ETRAX_VCS_SIM
|
|
#define __pa(x) ((unsigned long)(x) & 0x7fffffff)
|
|
#define __va(x) ((void *)((unsigned long)(x) | 0x80000000))
|
|
#else
|
|
#define __pa(x) ((unsigned long)(x) & 0x3fffffff)
|
|
#define __va(x) ((void *)((unsigned long)(x) | 0xc0000000))
|
|
#endif
|
|
|
|
#define VM_STACK_DEFAULT_FLAGS (VM_READ | VM_WRITE | \
|
|
VM_MAYREAD | VM_MAYWRITE)
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _ASM_CRIS_ARCH_PAGE_H */
|