Spike, a RISC-V ISA Simulator
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46 lines
796 B

#include "hwacha.h"
void ct_state_t::reset()
{
vl = 0;
maxvl = 32;
nxpr = 32;
nfpr = 32;
vf_pc = -1;
}
void ut_state_t::reset()
{
run = false;
XPR.reset();
FPR.reset();
}
hwacha_t::hwacha_t()
{
ct_state.reset();
for (int i=0; i<max_uts; i++)
ut_state[i].reset();
}
std::vector<insn_desc_t> hwacha_t::get_instructions()
{
std::vector<insn_desc_t> insns;
#define DECLARE_INSN(name, match, mask) \
extern reg_t hwacha_##name(processor_t*, insn_t, reg_t); \
insns.push_back((insn_desc_t){match, mask, &::illegal_instruction, hwacha_##name});
#include "opcodes_hwacha.h"
#undef DECLARE_INSN
return insns;
}
bool hwacha_t::vf_active()
{
for (int i=0; i<get_ct_state()->vl; i++) {
if (get_ut_state(i)->run)
return true;
}
return false;
}