-/* Copyright 2016-2019 Free Software Foundation, Inc.
+/* Copyright 2016-2024 Free Software Foundation, Inc.
Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
This file is part of the PRU simulator.
#ifndef PRU_SIM_MAIN
#define PRU_SIM_MAIN
-#include <stdint.h>
-#include <stddef.h>
-#include "pru.h"
#include "sim-basics.h"
-
#include "sim-base.h"
-/* The machine state.
- This state is maintained in host byte order. The
- fetch/store register functions must translate between host
- byte order and the target processor byte order.
- Keeping this data in target byte order simplifies the register
- read/write functions. Keeping this data in host order improves
- the performance of the simulator. Simulation speed is deemed more
- important. */
-
-/* For clarity, please keep the same relative order in this enum as in the
- corresponding group of GP registers.
-
- In PRU ISA, Multiplier-Accumulator-Unit's registers are like "shadows" of
- the GP registers. MAC registers are implicitly addressed when executing
- the XIN/XOUT instructions to access them. Transfer to/from a MAC register
- can happen only from/to its corresponding GP peer register. */
-
-enum pru_macreg_id {
- /* MAC register CPU GP register Description. */
- PRU_MACREG_MODE, /* r25 */ /* Mode (MUL/MAC). */
- PRU_MACREG_PROD_L, /* r26 */ /* Lower 32 bits of product. */
- PRU_MACREG_PROD_H, /* r27 */ /* Higher 32 bits of product. */
- PRU_MACREG_OP_0, /* r28 */ /* First operand. */
- PRU_MACREG_OP_1, /* r29 */ /* Second operand. */
- PRU_MACREG_ACC_L, /* N/A */ /* Accumulator (not exposed) */
- PRU_MACREG_ACC_H, /* N/A */ /* Higher 32 bits of MAC
- accumulator. */
- PRU_MAC_NREGS
-};
-
-struct pru_regset
-{
- uint32_t regs[32]; /* Primary registers. */
- uint16_t pc; /* IMEM _word_ address. */
- uint32_t pc_addr_space_marker; /* IMEM virtual linker offset. This
- is the artificial offset that
- we invent in order to "separate"
- the DMEM and IMEM memory spaces. */
- unsigned int carry : 1;
- uint32_t ctable[32]; /* Constant offsets table for xBCO. */
- uint32_t macregs[PRU_MAC_NREGS];
- uint32_t scratchpads[XFRID_MAX + 1][32];
- struct {
- uint16_t looptop; /* LOOP top (PC of loop instr). */
- uint16_t loopend; /* LOOP end (PC of loop end label). */
- int loop_in_progress; /* Whether to check for PC==loopend. */
- uint32_t loop_counter; /* LOOP counter. */
- } loop;
- int cycles;
- int insts;
-};
-
-struct _sim_cpu {
- struct pru_regset pru_cpu;
- sim_cpu_base base;
-};
-
-struct sim_state {
- sim_cpu *cpu[MAX_NR_PROCESSORS];
-
- sim_state_base base;
-};
#endif /* PRU_SIM_MAIN */