xref: /openbmc/qemu/linux-user/sparc/target_mman.h (revision 32e07fddc6d989dc5fdff4f9c9e47cb1f3911904)
1492fe4e7SRichard Henderson #ifndef SPARC_TARGET_MMAN_H
2492fe4e7SRichard Henderson #define SPARC_TARGET_MMAN_H
3492fe4e7SRichard Henderson 
4492fe4e7SRichard Henderson #define TARGET_MAP_NORESERVE           0x40
5492fe4e7SRichard Henderson #define TARGET_MAP_LOCKED              0x100
6492fe4e7SRichard Henderson #define TARGET_MAP_GROWSDOWN           0x0200
7492fe4e7SRichard Henderson 
82d708164SRichard Henderson /*
92d708164SRichard Henderson  * arch/sparc/include/asm/page_64.h:
102d708164SRichard Henderson  * TASK_UNMAPPED_BASE      (test_thread_flag(TIF_32BIT) ? \
112d708164SRichard Henderson  *                          _AC(0x0000000070000000,UL) : \
122d708164SRichard Henderson  *                          VA_EXCLUDE_END)
132d708164SRichard Henderson  * But VA_EXCLUDE_END is > 0xffff800000000000UL which doesn't work
142d708164SRichard Henderson  * in userland emulation.
152d708164SRichard Henderson  */
162d708164SRichard Henderson #ifdef TARGET_ABI32
172d708164SRichard Henderson #define TASK_UNMAPPED_BASE      0x70000000
182d708164SRichard Henderson #else
192d708164SRichard Henderson #define TASK_UNMAPPED_BASE      (1ull << (TARGET_VIRT_ADDR_SPACE_BITS - 2))
202d708164SRichard Henderson #endif
212d708164SRichard Henderson 
22*da2b71faSRichard Henderson /*
23*da2b71faSRichard Henderson  * arch/sparc/include/asm/elf_64.h
24*da2b71faSRichard Henderson  * Except that COMPAT_ELF_ET_DYN_BASE exactly matches TASK_UNMAPPED_BASE,
25*da2b71faSRichard Henderson  * so move it up a bit.
26*da2b71faSRichard Henderson  */
27*da2b71faSRichard Henderson #ifdef TARGET_ABI32
28*da2b71faSRichard Henderson #define ELF_ET_DYN_BASE         0x78000000
29*da2b71faSRichard Henderson #else
30*da2b71faSRichard Henderson #define ELF_ET_DYN_BASE         0x0000010000000000ull
31*da2b71faSRichard Henderson #endif
32*da2b71faSRichard Henderson 
339f22020bSIlya Leoshkevich #include "../generic/target_mman.h"
34492fe4e7SRichard Henderson 
35492fe4e7SRichard Henderson #endif
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