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qemu/linux-user/sparc/target_mman.h

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linux-user: Split TARGET_MAP_* out of syscall_defs.h Move the values into the per-target target_mman.h headers Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230707204054.8792-7-richard.henderson@linaro.org>
2023-07-07 23:40:34 +03:00
#ifndef SPARC_TARGET_MMAN_H
#define SPARC_TARGET_MMAN_H
#define TARGET_MAP_NORESERVE 0x40
#define TARGET_MAP_LOCKED 0x100
#define TARGET_MAP_GROWSDOWN 0x0200
linux-user: Define TASK_UNMAPPED_BASE in $guest/target_mman.h Provide default values that are as close as possible to the values used by the guest's kernel. Tested-by: Helge Deller <deller@gmx.de> Reviewed-by: Helge Deller <deller@gmx.de> Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-03 00:29:40 +03:00
/*
* arch/sparc/include/asm/page_64.h:
* TASK_UNMAPPED_BASE (test_thread_flag(TIF_32BIT) ? \
* _AC(0x0000000070000000,UL) : \
* VA_EXCLUDE_END)
* But VA_EXCLUDE_END is > 0xffff800000000000UL which doesn't work
* in userland emulation.
*/
#ifdef TARGET_ABI32
#define TASK_UNMAPPED_BASE 0x70000000
#else
#define TASK_UNMAPPED_BASE (1ull << (TARGET_VIRT_ADDR_SPACE_BITS - 2))
#endif
linux-user: Define ELF_ET_DYN_BASE in $guest/target_mman.h Copy each guest kernel's default value, then bound it against reserved_va or the host address space. Tested-by: Helge Deller <deller@gmx.de> Reviewed-by: Helge Deller <deller@gmx.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-03 01:17:33 +03:00
/*
* arch/sparc/include/asm/elf_64.h
* Except that COMPAT_ELF_ET_DYN_BASE exactly matches TASK_UNMAPPED_BASE,
* so move it up a bit.
*/
#ifdef TARGET_ABI32
#define ELF_ET_DYN_BASE 0x78000000
#else
#define ELF_ET_DYN_BASE 0x0000010000000000ull
#endif
linux-user: Provide MADV_* definitions Provide MADV_* definitions using target_mman.h header, similar to what kernel does. Most architectures use the same values, with the exception of alpha and hppa. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220906000839.1672934-2-iii@linux.ibm.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-09-06 03:08:35 +03:00
#include "../generic/target_mman.h"
linux-user: Split TARGET_MAP_* out of syscall_defs.h Move the values into the per-target target_mman.h headers Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230707204054.8792-7-richard.henderson@linaro.org>
2023-07-07 23:40:34 +03:00
#endif
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