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target/xtensa: add linux-user support

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Import list of syscalls from the kernel source. Conditionalize code/data
that is only used with softmmu. Implement exception handlers. Implement
signal hander (only the core registers for now, no coprocessors or TIE).

Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2017-01-25 10:54:11 -08:00
parent bf9c3a5a96
commit ba7651fba5
22 changed files with 1705 additions and 44 deletions
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16
linux-user/xtensa/target_elf.h Normal file
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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation, or (at your option) any
* later version. See the COPYING file in the top-level directory.
*/
#ifndef XTENSA_TARGET_ELF_H
#define XTENSA_TARGET_ELF_H
static inline const char *cpu_get_model(uint32_t eflags)
{
return XTENSA_DEFAULT_CPU_MODEL;
}
#endif