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https://github.com/Yours3lf/rpi-vk-driver.git
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102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
#pragma once
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "vc4_qpu_enums.h"
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uint64_t encode_alu(qpu_sig_bits sig_bits,
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qpu_unpack unpack_mode,
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//If the pm bit is set, the unpack field programs the r4 unpack unit,
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//and the pack field is used to program the color
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//conversion on the output of the mul unit
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uint8_t pack_unpack_select,
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uint8_t pack_mode,
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qpu_cond add_cond,
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qpu_cond mul_cond,
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uint8_t set_flags, //Flags are updated from the add ALU unless the add ALU performed a NOP (or its condition code was NEVER) in which case flags are updated from the mul ALU
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uint8_t write_swap_flag, //0: add writes to A, mul to B, 1: add writes to B, mul to A
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qpu_waddr waddr_add,
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qpu_waddr waddr_mul,
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qpu_op_add op_add,
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qpu_op_mul op_mul,
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qpu_raddr raddr_a,
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qpu_raddr raddr_b,
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qpu_mux add_a,
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qpu_mux add_b,
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qpu_mux mul_a,
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qpu_mux mul_b
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);
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uint64_t encode_alu_small_imm(qpu_unpack unpack_mode,
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uint8_t pack_unpack_select,
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uint8_t pack_mode,
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qpu_cond add_cond,
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qpu_cond mul_cond,
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uint8_t set_flags, //Flags are updated from the add ALU unless the add ALU performed a NOP (or its condition code was NEVER) in which case flags are updated from the mul ALU
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uint8_t write_swap_flag, //0: add writes to A, mul to B, 1: add writes to B, mul to A
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qpu_waddr waddr_add,
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qpu_waddr waddr_mul,
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qpu_op_add op_add,
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qpu_op_mul op_mul,
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qpu_raddr raddr_a,
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uint8_t small_imm,
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qpu_mux add_a,
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qpu_mux add_b,
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qpu_mux mul_a,
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qpu_mux mul_b
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);
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uint64_t encode_branch(qpu_branch_cond branch_cond,
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uint8_t is_relative, //if set branch target is relative to PC+4
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uint8_t use_raddr_a, //if set add value of raddr_a (from simd elem 0) to branch target
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qpu_raddr raddr_a,
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uint8_t write_swap_bit,
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qpu_waddr waddr_add,
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qpu_waddr waddr_mul,
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uint32_t imm //always added to branch target, set to 0 if unused
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);
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uint64_t encode_semaphore(uint8_t pack_unpack_select,
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uint8_t pack_mode,
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qpu_cond cond_add,
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qpu_cond cond_mul,
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uint8_t set_flags,
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uint8_t write_swap,
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qpu_waddr waddr_add,
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qpu_waddr waddr_mul,
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uint8_t incr_sem, //if 1 increment semaphore
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uint8_t sem, //4 bit semaphore selector
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uint32_t imm_val //27bit immediate value loaded into all 16 simd elements
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);
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uint64_t encode_load_imm(uint8_t pack_unpack_select,
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uint8_t pack_mode,
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qpu_cond cond_add,
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qpu_cond cond_mul,
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uint8_t set_flags,
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uint8_t write_swap,
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qpu_waddr waddr_add,
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qpu_waddr waddr_mul,
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uint32_t imm //2x16bit or 1x32bit uint
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);
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uint64_t encode_load_imm_per_elem(
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uint8_t signed_or_unsigned, //1 for signed, 0 for unsigned
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uint8_t pack_unpack_select,
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uint8_t pack_mode,
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qpu_cond cond_add,
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qpu_cond cond_mul,
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uint8_t set_flags,
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uint8_t write_swap,
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qpu_waddr waddr_add,
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qpu_waddr waddr_mul,
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uint16_t ms_bit, //per element MS (sign) bit
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uint16_t ls_bit //per element LS bit
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);
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void disassemble_qpu_asm(uint64_t instruction);
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void assemble_qpu_asm(char* str, uint64_t* instructions);
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unsigned get_num_instructions(char* ptr);
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#ifdef __cplusplus
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}
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#endif
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