mirror of
https://github.com/dingusdev/dingusppc.git
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35c86ad6bf
Result of running IWYU (https://include-what-you-use.org/) and applying most of the suggestions about unncessary includes and forward declarations. Was motivated by observing that <thread> was being included in ppcopcodes.cpp even though it was unused (found while researching the use of threads), but seems generally good to help with build times and correctness.
76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-22 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/** @file Generic PROM device programmable over I2C. */
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#include <devices/common/i2c/i2cprom.h>
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#include <loguru.hpp>
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#include <cinttypes>
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#include <cstring>
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I2CProm::I2CProm(uint8_t dev_addr, int size)
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{
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supports_types(HWCompType::I2C_DEV);
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this->my_addr = dev_addr;
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this->rom_size = size;
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// allocate storage for ROM data
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this->data = std::unique_ptr<uint8_t[]> (new uint8_t[this->rom_size]);
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}
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void I2CProm::fill_memory(int start, int size, uint8_t c)
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{
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if ((start + size) <= this->rom_size) {
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std::memset(&this->data[start], c, size);
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}
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}
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void I2CProm::set_memory(int start, const uint8_t* in_data, int size)
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{
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if ((start + size) <= this->rom_size) {
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std::memcpy(&this->data[start], in_data, size);
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}
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}
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void I2CProm::start_transaction() {
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this->pos = 0;
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};
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bool I2CProm::send_subaddress(uint8_t sub_addr) {
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this->pos = sub_addr;
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return true;
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};
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bool I2CProm::send_byte(uint8_t data) {
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LOG_F(9, "I2CRom: 0x%X received", data);
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return true;
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};
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bool I2CProm::receive_byte(uint8_t* p_data) {
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if (this->pos >= this->rom_size) {
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this->pos = 0; // attempt to read past last byte should wrap around
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}
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*p_data = this->data[this->pos++];
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return true;
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};
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