gem5  v21.2.1.1
utility.hh
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37 
38 #ifndef __ARCH_X86_UTILITY_HH__
39 #define __ARCH_X86_UTILITY_HH__
40 
41 #include "cpu/static_inst.hh"
42 #include "cpu/thread_context.hh"
43 #include "sim/full_system.hh"
44 
45 namespace gem5
46 {
47 
48 namespace X86ISA
49 {
63  uint64_t getRFlags(ThreadContext *tc);
64 
77  void setRFlags(ThreadContext *tc, uint64_t val);
78 
91  uint8_t convX87TagsToXTags(uint16_t ftw);
92 
108  uint16_t convX87XTagsToTags(uint8_t ftwx);
109 
123  uint16_t genX87Tags(uint16_t ftw, uint8_t top, int8_t spm);
124 
131  double loadFloat80(const void *mem);
132 
139  void storeFloat80(void *mem, double value);
140 
141 } // namespace X86ISA
142 } // namespace gem5
143 
144 #endif // __ARCH_X86_UTILITY_HH__
gem5::X86ISA::loadFloat80
double loadFloat80(const void *_mem)
Load an 80-bit float from memory and convert it to double.
Definition: utility.cc:156
gem5::X86ISA::val
Bitfield< 63 > val
Definition: misc.hh:775
top
Definition: test.h:61
gem5::X86ISA::getRFlags
uint64_t getRFlags(ThreadContext *tc)
Reconstruct the rflags register from the internal gem5 register state.
Definition: utility.cc:58
gem5::X86ISA::storeFloat80
void storeFloat80(void *_mem, double value)
Convert and store a double as an 80-bit float.
Definition: utility.cc:165
gem5::X86ISA::genX87Tags
uint16_t genX87Tags(uint16_t ftw, uint8_t top, int8_t spm)
Generate and updated x87 tag register after a push/pop operation.
Definition: utility.cc:136
static_inst.hh
gem5::X86ISA::convX87XTagsToTags
uint16_t convX87XTagsToTags(uint8_t ftwx)
Convert an x87 xtag word to normal tags format.
Definition: utility.cc:115
gem5::X86ISA::setRFlags
void setRFlags(ThreadContext *tc, uint64_t val)
Set update the rflags register and internal gem5 state.
Definition: utility.cc:74
full_system.hh
gem5::X86ISA::convX87TagsToXTags
uint8_t convX87TagsToXTags(uint16_t ftw)
Convert an x87 tag word to abridged tag format.
Definition: utility.cc:90
mem
bool_vector8 mem[]
Definition: reset_stim.h:43
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: tlb.cc:60
thread_context.hh

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