1/* 2 * Copyright (c) 2007 The Hewlett-Packard Development Company 3 * All rights reserved. 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 91 unchanged lines hidden (view full) --- 100 } 101 102 inline uint64_t 103 getExecutingAsid(ThreadContext *tc) 104 { 105 return 0; 106 } 107 |
108 109 /** 110 * Reconstruct the rflags register from the internal gem5 register 111 * state. 112 * 113 * gem5 stores rflags in several different registers to avoid 114 * pipeline dependencies. In order to get the true rflags value, 115 * we can't simply read the value of MISCREG_RFLAGS. Instead, we 116 * need to read out various state from microcode registers and 117 * merge that with MISCREG_RFLAGS. 118 * 119 * @param tc Thread context to read rflags from. 120 * @return rflags as seen by the guest. 121 */ 122 uint64_t getRFlags(ThreadContext *tc); 123 124 /** 125 * Set update the rflags register and internal gem5 state. 126 * 127 * @note This function does not update MISCREG_M5_REG. You might 128 * need to update this register by writing anything to 129 * MISCREG_M5_REG with side-effects. 130 * 131 * @see X86ISA::getRFlags() 132 * 133 * @param tc Thread context to update 134 * @param val New rflags value to store in TC 135 */ 136 void setRFlags(ThreadContext *tc, uint64_t val); |
137} 138 139#endif // __ARCH_X86_UTILITY_HH__ |