asm.h

   1 /*
   2  * Copyright (C) 2024 Mikulas Patocka
   3  *
   4  * This file is part of Ajla.
   5  *
   6  * Ajla is free software: you can redistribute it and/or modify it under the
   7  * terms of the GNU General Public License as published by the Free Software
   8  * Foundation, either version 3 of the License, or (at your option) any later
   9  * version.
  10  *
  11  * Ajla is distributed in the hope that it will be useful, but WITHOUT ANY
  12  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  13  * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along with
  16  * Ajla. If not, see <https://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef AJLA_ASM_H
  20 #define AJLA_ASM_H
  21
  22 #include "code-op.h"
  23
  24 typedef unsigned cpu_feature_mask_t;
  25
  26 extern cpu_feature_mask_t cpu_feature_flags;
  27
  28 enum {
  29 #define ASM_INC_ENUM
  30 #include "asm.inc"
  31 #undef ASM_INC_ENUM
  32         CPU_FEATURE_max
  33 };
  34
  35 enum {
  36 cpu_feature_static_flags = 0
  37 #define ASM_INC_STATIC
  38 #include "asm.inc"
  39 #undef ASM_INC_STATIC
  40 };
  41
  42 #define cpu_feature_mask(feature)       ((cpu_feature_mask_t)1 << (feature))
  43 #ifdef DEBUG_ENV
  44 #define cpu_test_feature(feature)       (!!(cpu_feature_flags & cpu_feature_mask(feature)))
  45 #else
  46 #define cpu_test_feature(feature)       (cpu_feature_static_flags & cpu_feature_mask(feature) || cpu_feature_flags & cpu_feature_mask(feature))
  47 #endif
  48
  49
  50 void asm_setup_thread(void);
  51 code_t code_alt(code_t code);
  52
  53
  54 void asm_init(void);
  55 void asm_done(void);
  56
  57 #endif