mirror of
https://github.com/dingusdev/dingusppc.git
synced 2024-11-18 22:05:51 +00:00
795 lines
21 KiB
C++
795 lines
21 KiB
C++
//DingusPPC - Prototype 5bf2
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//Written by divingkatae and maximum
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//(c)2018-20 (theweirdo) spatium
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//Please ask for permission
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//if you want to distribute this.
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//(divingkatae#1017 on Discord)
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// The Power-specific opcodes for the processor - ppcopcodes.cpp
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// Any shared opcodes are in ppcopcodes.cpp
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#include <iostream>
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#include <array>
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#include <stdio.h>
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#include <stdexcept>
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#include "ppcemu.h"
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#include "ppcmmu.h"
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#include <cmath>
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#include <limits>
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void power_abs() {
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ppc_grab_regsda();
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if (ppc_result_a == 0x80000000) {
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ppc_result_d = ppc_result_a;
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}
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else {
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ppc_result_d = ppc_result_a & 0x7FFFFFFF;
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}
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ppc_store_result_regd();
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}
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void power_absdot() {
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ppc_grab_regsda();
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if (ppc_result_a == 0x80000000) {
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ppc_result_d = ppc_result_a;
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}
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else {
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ppc_result_d = ppc_result_a & 0x7FFFFFFF;
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}
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ppc_changecrf0(ppc_result_d);
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ppc_store_result_regd();
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}
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void power_abso() {
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ppc_grab_regsda();
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if (ppc_result_a == 0x80000000) {
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ppc_result_d = ppc_result_a;
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ppc_state.ppc_spr[1] |= 0x40000000;
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}
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else {
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ppc_result_d = ppc_result_a & 0x7FFFFFFF;
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}
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ppc_store_result_regd();
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}
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void power_absodot() {
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ppc_grab_regsda();
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if (ppc_result_a == 0x80000000) {
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ppc_result_d = ppc_result_a;
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ppc_state.ppc_spr[1] |= 0x40000000;
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}
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else {
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ppc_result_d = ppc_result_a & 0x7FFFFFFF;
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}
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ppc_changecrf0(ppc_result_d);
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ppc_store_result_regd();
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}
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void power_clcs() {
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ppc_grab_regsda();
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switch (reg_a) {
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case 12:
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case 13:
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case 14:
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case 15:
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ppc_result_d = 65535;
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break;
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default:
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ppc_result_d = 0;
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}
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ppc_store_result_regd();
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}
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void power_clcsdot() {
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switch (reg_a) {
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case 12:
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case 13:
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case 14:
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case 15:
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ppc_result_d = 65535;
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break;
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default:
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ppc_result_d = 0;
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}
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ppc_changecrf0(ppc_result_d);
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printf("Does RC do anything here? (TODO) \n");
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ppc_store_result_regd();
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}
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void power_div() {
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ppc_grab_regsdab();
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ppc_result_d = (ppc_result_a | ppc_state.ppc_spr[0]) / ppc_result_b;
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ppc_state.ppc_spr[0] = (ppc_result_a | ppc_state.ppc_spr[0]) % ppc_result_b;
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ppc_store_result_regd();
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}
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void power_divdot() {
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ppc_result_d = (ppc_result_a | ppc_state.ppc_spr[0]) / ppc_result_b;
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ppc_state.ppc_spr[0] = (ppc_result_a | ppc_state.ppc_spr[0]) % ppc_result_b;
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}
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void power_divo() {
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ppc_result_d = (ppc_result_a | ppc_state.ppc_spr[0]) / ppc_result_b;
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ppc_state.ppc_spr[0] = (ppc_result_a | ppc_state.ppc_spr[0]) % ppc_result_b;
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}
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void power_divodot() {
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ppc_result_d = (ppc_result_a | ppc_state.ppc_spr[0]) / ppc_result_b;
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ppc_state.ppc_spr[0] = (ppc_result_a | ppc_state.ppc_spr[0]) % ppc_result_b;
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}
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void power_divs() {
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ppc_grab_regsdab();
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ppc_result_d = ppc_result_a / ppc_result_b;
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ppc_state.ppc_spr[0] = (ppc_result_a % ppc_result_b);
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ppc_store_result_regd();
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}
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void power_divsdot() {
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ppc_result_d = ppc_result_a / ppc_result_b;
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ppc_state.ppc_spr[0] = (ppc_result_a % ppc_result_b);
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}
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void power_divso() {
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ppc_result_d = ppc_result_a / ppc_result_b;
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ppc_state.ppc_spr[0] = (ppc_result_a % ppc_result_b);
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}
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void power_divsodot() {
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ppc_result_d = ppc_result_a / ppc_result_b;
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ppc_state.ppc_spr[0] = (ppc_result_a % ppc_result_b);
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}
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void power_doz() {
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ppc_grab_regsdab();
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if (((int32_t)ppc_result_a) > ((int32_t)ppc_result_b)) {
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ppc_result_d = 0;
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}
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else {
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ppc_result_d = ~ppc_result_a + ppc_result_b + 1;
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}
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ppc_store_result_rega();
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}
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void power_dozdot() {
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ppc_grab_regsdab();
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if (((int32_t)ppc_result_a) > ((int32_t)ppc_result_b)) {
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ppc_result_d = 0;
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}
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else {
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ppc_result_d = ~ppc_result_a + ppc_result_b + 1;
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}
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ppc_changecrf0(ppc_result_d);
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ppc_store_result_rega();
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}
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void power_dozo() {
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if (((int32_t)ppc_result_a) > ((int32_t)ppc_result_b)) {
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ppc_result_d = 0;
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}
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else {
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ppc_result_d = ~ppc_result_a + ppc_result_b + 1;
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}
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}
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void power_dozodot() {
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if (((int32_t)ppc_result_a) > ((int32_t)ppc_result_b)) {
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ppc_result_d = 0;
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}
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else {
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ppc_result_d = ~ppc_result_a + ppc_result_b + 1;
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}
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}
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void power_dozi() {
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ppc_grab_regsdab();
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if (((int32_t)ppc_result_a) > simm) {
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ppc_result_d = 0;
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}
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else {
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ppc_result_d = ~ppc_result_a + simm + 1;
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}
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ppc_store_result_rega();
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}
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void power_lscbx() {
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ppc_grab_regsdab();
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uint32_t bytes_copied = 0;
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bool match_found = false;
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uint32_t shift_amount = 0;
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uint8_t byte_compared = (uint8_t)((ppc_state.ppc_spr[1] & 0xFF00) >> 8);
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if ((ppc_state.ppc_spr[1] & 0x7f) == 0) {
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return;
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}
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uint32_t bytes_to_load = (ppc_state.ppc_spr[1] & 0x7f) + 1;
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ppc_effective_address = (reg_a == 0) ? ppc_result_b : ppc_result_a + ppc_result_b;
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do {
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ppc_effective_address++;
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bytes_to_load--;
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if (match_found == false) {
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switch (shift_amount) {
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case 0:
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address_grab8bit_translate(ppc_effective_address);
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ppc_result_d = (ppc_result_d & 0x00FFFFFF) | ((uint32_t)return_value << 24);
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ppc_store_result_regd();
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break;
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case 1:
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address_grab8bit_translate(ppc_effective_address);
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ppc_result_d = (ppc_result_d & 0xFF00FFFF) | ((uint32_t)return_value << 16);
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ppc_store_result_regd();
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break;
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case 2:
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address_grab8bit_translate(ppc_effective_address);
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ppc_result_d = (ppc_result_d & 0xFFFF00FF) | ((uint32_t)return_value << 8);
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ppc_store_result_regd();
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break;
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case 3:
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address_grab8bit_translate(ppc_effective_address);
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ppc_result_d = (ppc_result_d & 0xFFFFFF00) | (uint32_t)return_value;
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ppc_store_result_regd();
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break;
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}
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bytes_copied++;
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}
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if (((uint8_t)return_value) == byte_compared) {
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break;
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}
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return_value = 0;
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if (shift_amount == 3) {
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shift_amount = 0;
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reg_d = (reg_d + 1) & 0x1F;
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}
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else {
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shift_amount++;
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}
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} while (bytes_to_load > 0);
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ppc_state.ppc_spr[1] = (ppc_state.ppc_spr[1] & 0xFFFFFF80) | bytes_copied;
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ppc_store_result_regd();
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}
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void power_lscbxdot() {
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printf("OOPS! Placeholder!!! \n");
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}
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void power_maskg() {
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ppc_grab_regssab();
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uint32_t mask_start = ppc_result_d & 31;
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uint32_t mask_end = ppc_result_b & 31;
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uint32_t insert_mask = 0;
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if (mask_start < (mask_end + 1)) {
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for (uint32_t i = mask_start; i < mask_end; i++) {
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insert_mask |= (0x80000000 >> i);
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}
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}
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else if (mask_start == (mask_end + 1)) {
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insert_mask = 0xFFFFFFFF;
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}
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else {
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insert_mask = 0xFFFFFFFF;
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for (uint32_t i = (mask_end + 1); i < (mask_start - 1); i++) {
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insert_mask &= (~(0x80000000 >> i));
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}
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}
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ppc_result_a = insert_mask;
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ppc_store_result_rega();
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}
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void power_maskgdot() {
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ppc_grab_regssab();
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uint32_t mask_start = ppc_result_d & 31;
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uint32_t mask_end = ppc_result_b & 31;
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uint32_t insert_mask = 0;
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if (mask_start < (mask_end + 1)) {
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for (uint32_t i = mask_start; i < mask_end; i++) {
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insert_mask |= (0x80000000 >> i);
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}
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}
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else if (mask_start == (mask_end + 1)) {
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insert_mask = 0xFFFFFFFF;
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}
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else {
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insert_mask = 0xFFFFFFFF;
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for (uint32_t i = (mask_end + 1); i < (mask_start - 1); i++) {
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insert_mask &= (~(0x80000000 >> i));
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}
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}
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ppc_result_a = insert_mask;
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ppc_store_result_rega();
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}
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void power_maskir() {
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ppc_grab_regssab();
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uint32_t mask_insert = ppc_result_a;
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uint32_t insert_rot = 0x80000000;
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do {
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if (ppc_result_b & insert_rot) {
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mask_insert &= ~insert_rot;
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mask_insert |= (ppc_result_d & insert_rot);
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}
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insert_rot = insert_rot >> 1;
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} while (insert_rot > 0);
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ppc_result_a = (ppc_result_d & ppc_result_b);
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ppc_store_result_rega();
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}
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void power_maskirdot() {
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ppc_grab_regssab();
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uint32_t mask_insert = ppc_result_a;
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uint32_t insert_rot = 0x80000000;
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do {
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if (ppc_result_b & insert_rot) {
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mask_insert &= ~insert_rot;
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mask_insert |= (ppc_result_d & insert_rot);
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}
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insert_rot = insert_rot >> 1;
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} while (insert_rot > 0);
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ppc_result_a = (ppc_result_d & ppc_result_b);
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ppc_changecrf0(ppc_result_a);
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ppc_store_result_rega();
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}
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void power_mul() {
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ppc_grab_regsdab();
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uint64_t product;
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product = ((uint64_t)ppc_result_a) * ((uint64_t)ppc_result_b);
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ppc_result_d = ((uint32_t)(product >> 32));
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ppc_state.ppc_spr[0] = ((uint32_t)(product));
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ppc_store_result_regd();
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}
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void power_muldot() {
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ppc_grab_regsdab();
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uint64_t product;
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product = ((uint64_t)ppc_result_a) * ((uint64_t)ppc_result_b);
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ppc_result_d = ((uint32_t)(product >> 32));
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ppc_state.ppc_spr[0] = ((uint32_t)(product));
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ppc_changecrf0(ppc_result_d);
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ppc_store_result_regd();
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}
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void power_mulo() {
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uint64_t product;
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product = ((uint64_t)ppc_result_a) * ((uint64_t)ppc_result_b);
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ppc_result_d = ((uint32_t)(product >> 32));
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ppc_state.ppc_spr[0] = ((uint32_t)(product));
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}
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void power_mulodot() {
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uint64_t product;
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product = ((uint64_t)ppc_result_a) * ((uint64_t)ppc_result_b);
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ppc_result_d = ((uint32_t)(product >> 32));
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ppc_state.ppc_spr[0] = ((uint32_t)(product));
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}
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void power_nabs() {
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ppc_grab_regsda();
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ppc_result_d = (0x80000000 | ppc_result_a);
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ppc_store_result_regd();
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}
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void power_nabsdot() {
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ppc_result_d = (0x80000000 | ppc_result_a);
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}
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void power_nabso() {
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ppc_result_d = (0x80000000 | ppc_result_a);
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}
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void power_nabsodot() {
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ppc_result_d = (0x80000000 | ppc_result_a);
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}
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void power_rlmi() {
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ppc_grab_regssab();
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unsigned rot_mb = (ppc_cur_instruction >> 6) & 31;
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unsigned rot_me = (ppc_cur_instruction >> 1) & 31;
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uint32_t rot_amt = ppc_result_b & 31;
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uint32_t insert_mask = 0;
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if (rot_mb < (rot_me + 1)) {
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for (uint32_t i = rot_mb; i < rot_me; i++) {
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insert_mask |= (0x80000000 >> i);
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}
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}
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else if (rot_mb == (rot_me + 1)) {
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insert_mask = 0xFFFFFFFF;
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}
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else {
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insert_mask = 0xFFFFFFFF;
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for (uint32_t i = (rot_me + 1); i < (rot_mb - 1); i++) {
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insert_mask &= (~(0x80000000 >> i));
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}
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}
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uint32_t step2 = (ppc_result_d << rot_amt) | (ppc_result_d >> rot_amt);
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ppc_result_a = step2 & insert_mask;
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ppc_store_result_rega();
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}
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void power_rrib() {
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ppc_grab_regssab();
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if (ppc_result_d & 0x80000000) {
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ppc_result_a |= (0x80000000 >> ppc_result_b);
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}
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else {
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ppc_result_a &= ~(0x80000000 >> ppc_result_b);
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}
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ppc_store_result_rega();
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}
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void power_rribdot() {
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ppc_grab_regssab();
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if (ppc_result_d & 0x80000000) {
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ppc_result_a |= (0x80000000 >> ppc_result_b);
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}
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else {
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ppc_result_a &= ~(0x80000000 >> ppc_result_b);
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}
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ppc_changecrf0(ppc_result_a);
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ppc_store_result_rega();
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}
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void power_sle() {
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ppc_grab_regssa();
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uint32_t insert_mask = 0;
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uint32_t rot_amt = ppc_result_b & 31;
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for (uint32_t i = 31; i > rot_amt; i--) {
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insert_mask |= (1 << i);
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}
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uint32_t insert_final = ((ppc_result_d << rot_amt) | (ppc_result_d >> (32 - rot_amt)));
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ppc_state.ppc_spr[0] = insert_final & insert_mask;
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ppc_result_a = insert_final & insert_mask;
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ppc_store_result_rega();
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}
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void power_sledot() {
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ppc_grab_regssa();
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uint32_t insert_mask = 0;
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uint32_t rot_amt = ppc_result_b & 31;
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for (uint32_t i = 31; i > rot_amt; i--) {
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insert_mask |= (1 << i);
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}
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uint32_t insert_final = ((ppc_result_d << rot_amt) | (ppc_result_d >> (32 - rot_amt)));
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ppc_state.ppc_spr[0] = insert_final & insert_mask;
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ppc_result_a = insert_final & insert_mask;
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ppc_changecrf0(ppc_result_a);
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ppc_store_result_rega();
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}
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void power_sleq() {
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ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
uint32_t rot_amt = ppc_result_b & 31;
|
|
for (uint32_t i = 31; i > rot_amt; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_start = ((ppc_result_d << rot_amt) | (ppc_result_d >> (rot_amt - 31)));
|
|
uint32_t insert_end = ppc_state.ppc_spr[0];
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (insert_mask & (1 << i)) {
|
|
insert_end &= ~(1 << i);
|
|
insert_end |= (insert_start & (1 << i));
|
|
}
|
|
}
|
|
|
|
ppc_result_a = insert_end;
|
|
ppc_state.ppc_spr[0] = insert_start;
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_sleqdot() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
uint32_t rot_amt = ppc_result_b & 31;
|
|
for (uint32_t i = 31; i > rot_amt; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_start = ((ppc_result_d << rot_amt) | (ppc_result_d >> (rot_amt - 31)));
|
|
uint32_t insert_end = ppc_state.ppc_spr[0];
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (insert_mask & (1 << i)) {
|
|
insert_end &= ~(1 << i);
|
|
insert_end |= (insert_start & (1 << i));
|
|
}
|
|
}
|
|
|
|
ppc_result_a = insert_end;
|
|
ppc_state.ppc_spr[0] = insert_start;
|
|
ppc_changecrf0(ppc_result_a);
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_sliq() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
unsigned rot_sh = (ppc_cur_instruction >> 11) & 31;
|
|
for (uint32_t i = 31; i > rot_sh; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_start = ((ppc_result_d << rot_sh) | (ppc_result_d >> (rot_sh - 31)));
|
|
uint32_t insert_end = ppc_state.ppc_spr[0];
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (insert_mask & (1 << i)) {
|
|
insert_end &= ~(1 << i);
|
|
insert_end |= (insert_start & (1 << i));
|
|
}
|
|
}
|
|
|
|
ppc_result_a = insert_end & insert_mask;
|
|
ppc_state.ppc_spr[0] = insert_start;
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_sliqdot() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
unsigned rot_sh = (ppc_cur_instruction >> 11) & 31;
|
|
for (uint32_t i = 31; i > rot_sh; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_start = ((ppc_result_d << rot_sh) | (ppc_result_d >> (rot_sh - 31)));
|
|
uint32_t insert_end = ppc_state.ppc_spr[0];
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (insert_mask & (1 << i)) {
|
|
insert_end &= ~(1 << i);
|
|
insert_end |= (insert_start & (1 << i));
|
|
}
|
|
}
|
|
|
|
ppc_result_a = insert_end & insert_mask;
|
|
ppc_state.ppc_spr[0] = insert_start;
|
|
ppc_changecrf0(ppc_result_a);
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_slliq() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
unsigned rot_sh = (ppc_cur_instruction >> 11) & 31;
|
|
for (uint32_t i = 31; i > rot_sh; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_start = ((ppc_result_d << rot_sh) | (ppc_result_d >> (32 - rot_sh)));
|
|
uint32_t insert_end = ppc_state.ppc_spr[0];
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (insert_mask & (1 << i)) {
|
|
insert_end &= ~(1 << i);
|
|
insert_end |= (insert_start & (1 << i));
|
|
}
|
|
}
|
|
|
|
ppc_result_a = insert_end;
|
|
ppc_state.ppc_spr[0] = insert_start;
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_slliqdot() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
unsigned rot_sh = (ppc_cur_instruction >> 11) & 31;
|
|
for (uint32_t i = 31; i > rot_sh; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_start = ((ppc_result_d << rot_sh) | (ppc_result_d >> (32 - rot_sh)));
|
|
uint32_t insert_end = ppc_state.ppc_spr[0];
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (insert_mask & (1 << i)) {
|
|
insert_end &= ~(1 << i);
|
|
insert_end |= (insert_start & (1 << i));
|
|
}
|
|
}
|
|
|
|
ppc_result_a = insert_end;
|
|
ppc_state.ppc_spr[0] = insert_start;
|
|
ppc_changecrf0(ppc_result_a);
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_sllq() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_sllqdot() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_slq() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_slqdot() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_sraiq() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_sraiqdot() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_sraq() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_sraqdot() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_sre() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
uint32_t rot_amt = ppc_result_b & 31;
|
|
for (uint32_t i = 31; i > rot_amt; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_final = ((ppc_result_d >> rot_amt) | (ppc_result_d << (32 - rot_amt)));
|
|
ppc_state.ppc_spr[0] = insert_final & insert_mask;
|
|
ppc_result_a = insert_final;
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_sredot() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
uint32_t rot_amt = ppc_result_b & 31;
|
|
for (uint32_t i = 31; i > rot_amt; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_final = ((ppc_result_d >> rot_amt) | (ppc_result_d << (32 - rot_amt)));
|
|
ppc_state.ppc_spr[0] = insert_final & insert_mask;
|
|
ppc_result_a = insert_final;
|
|
ppc_changecrf0(ppc_result_a);
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_srea() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_sreadot() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_sreq() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
unsigned rot_sh = ppc_result_b & 31;
|
|
for (uint32_t i = 31; i > rot_sh; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_start = ((ppc_result_d >> rot_sh) | (ppc_result_d << (32 - rot_sh)));
|
|
uint32_t insert_end = ppc_state.ppc_spr[0];
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (insert_mask & (1 << i)) {
|
|
insert_end &= ~(1 << i);
|
|
insert_end |= (insert_start & (1 << i));
|
|
}
|
|
}
|
|
|
|
ppc_result_a = insert_end;
|
|
ppc_state.ppc_spr[0] = insert_start;
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_sreqdot() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
unsigned rot_sh = ppc_result_b & 31;
|
|
for (uint32_t i = 31; i > rot_sh; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_start = ((ppc_result_d >> rot_sh) | (ppc_result_d << (32 - rot_sh)));
|
|
uint32_t insert_end = ppc_state.ppc_spr[0];
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (insert_mask & (1 << i)) {
|
|
insert_end &= ~(1 << i);
|
|
insert_end |= (insert_start & (1 << i));
|
|
}
|
|
}
|
|
|
|
ppc_result_a = insert_end;
|
|
ppc_state.ppc_spr[0] = insert_start;
|
|
ppc_changecrf0(ppc_result_a);
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_sriq() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
unsigned rot_sh = (ppc_cur_instruction >> 11) & 31;
|
|
for (uint32_t i = 31; i > rot_sh; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_start = ((ppc_result_d >> rot_sh) | (ppc_result_d << (32 - rot_sh)));
|
|
uint32_t insert_end = ppc_state.ppc_spr[0];
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (insert_mask & (1 << i)) {
|
|
insert_end &= ~(1 << i);
|
|
insert_end |= (insert_start & (1 << i));
|
|
}
|
|
}
|
|
|
|
ppc_result_a = insert_end;
|
|
ppc_state.ppc_spr[0] = insert_start;
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_sriqdot() {
|
|
ppc_grab_regssa();
|
|
uint32_t insert_mask = 0;
|
|
unsigned rot_sh = (ppc_cur_instruction >> 11) & 31;
|
|
for (uint32_t i = 31; i > rot_sh; i--) {
|
|
insert_mask |= (1 << i);
|
|
}
|
|
uint32_t insert_start = ((ppc_result_d >> rot_sh) | (ppc_result_d << (32 - rot_sh)));
|
|
uint32_t insert_end = ppc_state.ppc_spr[0];
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (insert_mask & (1 << i)) {
|
|
insert_end &= ~(1 << i);
|
|
insert_end |= (insert_start & (1 << i));
|
|
}
|
|
}
|
|
|
|
ppc_result_a = insert_end;
|
|
ppc_state.ppc_spr[0] = insert_start;
|
|
ppc_changecrf0(ppc_result_a);
|
|
ppc_store_result_rega();
|
|
}
|
|
|
|
void power_srliq() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_srliqdot() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_srlq() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_srlqdot() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_srq() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
}
|
|
|
|
void power_srqdot() {
|
|
printf("OOPS! Placeholder!!! \n");
|
|
} |