xref: /OK3568_Linux_fs/kernel/arch/powerpc/include/asm/book3s/64/slice.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ASM_POWERPC_BOOK3S_64_SLICE_H
3*4882a593Smuzhiyun #define _ASM_POWERPC_BOOK3S_64_SLICE_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #define SLICE_LOW_SHIFT		28
6*4882a593Smuzhiyun #define SLICE_LOW_TOP		(0x100000000ul)
7*4882a593Smuzhiyun #define SLICE_NUM_LOW		(SLICE_LOW_TOP >> SLICE_LOW_SHIFT)
8*4882a593Smuzhiyun #define GET_LOW_SLICE_INDEX(addr)	((addr) >> SLICE_LOW_SHIFT)
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #define SLICE_HIGH_SHIFT	40
11*4882a593Smuzhiyun #define SLICE_NUM_HIGH		(H_PGTABLE_RANGE >> SLICE_HIGH_SHIFT)
12*4882a593Smuzhiyun #define GET_HIGH_SLICE_INDEX(addr)	((addr) >> SLICE_HIGH_SHIFT)
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #define SLB_ADDR_LIMIT_DEFAULT	DEFAULT_MAP_WINDOW_USER64
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */
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