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51 lines
877 B
51 lines
877 B
#ifndef _HWACHA_H
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#define _HWACHA_H
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#include "extension.h"
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struct ct_state_t
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{
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void reset();
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uint32_t nxpr;
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uint32_t nfpr;
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uint32_t maxvl;
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uint32_t vl;
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reg_t vf_pc;
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reg_t cause;
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reg_t aux;
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};
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struct ut_state_t
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{
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void reset();
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bool run;
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regfile_t<reg_t, 32, true> XPR;
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regfile_t<reg_t, 32, false> FPR;
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};
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class hwacha_t : public extension_t
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{
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public:
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std::vector<insn_desc_t> get_instructions();
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const char* name() { return "hwacha"; }
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void reset();
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ct_state_t* get_ct_state() { return &ct_state; }
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ut_state_t* get_ut_state(int idx) { return &ut_state[idx]; }
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bool vf_active();
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void take_exception(reg_t, reg_t);
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void clear_exception() { clear_interrupt(); }
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private:
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static const int max_uts = 2048;
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ct_state_t ct_state;
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ut_state_t ut_state[max_uts];
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};
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REGISTER_EXTENSION(hwacha, []() { return new hwacha_t; })
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#endif
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