55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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* Support file for amdgcn in newlib.
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* Copyright (c) 2017 Mentor Graphics.
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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#ifndef _AMDGCN_EXIT_VALUE_H_
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#define _AMDGCN_EXIT_VALUE_H_
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static inline void __attribute__((noreturn))
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exit_with_int (int val)
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{
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/* Write the exit value to the conventional place. */
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int *return_value;
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#if defined(__has_builtin) && __has_builtin(__builtin_gcn_kernarg_ptr)
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asm ("s_load_dwordx2 %0, %1, 16 glc\n\t"
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"s_waitcnt 0"
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: "=Sg"(return_value) : "r"(__builtin_gcn_kernarg_ptr()));
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#else
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asm ("s_load_dwordx2 %0, s[8:9], 16 glc\n\t"
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"s_waitcnt 0" : "=Sg"(return_value));
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#endif
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*return_value = val;
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/* Terminate the current kernel. */
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asm ("s_dcache_wb");
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asm ("s_endpgm");
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__builtin_unreachable ();
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}
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static inline void __attribute__((noreturn))
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exit_with_status_and_signal (int val, int signal)
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{
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if (signal == 0)
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val = val & 0xff;
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else
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{
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val = (128 + signal) & 0xff;
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signal = signal & 0xff;
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}
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exit_with_int ((0xffff << 16) | (signal << 8) | val);
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}
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#endif
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