2016-08-07 20:55:43 +00:00

200 lines
5.4 KiB
C

/*
* =====================================================================================
*
* ________ .__ __ ________ ____ ________
* \_____ \ __ __|__| ____ | | __\______ \ _______ _/_ |/ _____/
* / / \ \| | \ |/ ___\| |/ / | | \_/ __ \ \/ /| / __ \
* / \_/. \ | / \ \___| < | ` \ ___/\ / | \ |__\ \
* \_____\ \_/____/|__|\___ >__|_ \/_______ /\___ >\_/ |___|\_____ /
* \__> \/ \/ \/ \/ \/
*
* www.optixx.org
*
*
* Version: 1.0
* Created: 07/21/2009 03:32:16 PM
* Author: david@optixx.org
*
* =====================================================================================
*/
#include <avr/interrupt.h>
#include <util/delay.h>
#include <stdlib.h>
#include "config.h"
#include "requests.h"
#include "sram.h"
#include "info.h"
#include "irq.h"
#include "usbdrv.h"
#if defined(BOOT_COMPRESS_RLE)
#include "rle.h"
#endif
#if defined(BOOT_COMPRESS_ZIP)
#include "neginf/neginf.h"
#include "inflate.h"
#endif
#if defined(BOOT_COMPRESS_FASTLZ)
#include "fastlz.h"
#endif
#include "loader.h"
#include "system.h"
extern usb_transaction_t usb_trans;
extern system_t my_system;
extern const char *_rom[];
extern const char _rom01[];
extern const int _rom_size[];
void usb_connect()
{
uint8_t i = 0;
info_P(PSTR("USB init\n"));
usbDeviceDisconnect(); /* enforce re-enumeration, do this while */
cli();
info_P(PSTR("USB disconnect\n"));
i = 10;
while (--i) { /* fake USB disconnect for > 250 ms */
_delay_ms(50);
}
led_on();
usbDeviceConnect();
info_P(PSTR("USB connect\n"));
}
void boot_startup_rom(uint16_t init_delay)
{
uint8_t i;
#if defined(BOOT_COMPRESS_RLE)
uint32_t addr = 0x000000;
#endif
#if defined(BOOT_COMPRESS_ZIP)
uint8_t c;
uint16_t j;
PGM_VOID_P p_addr;
#endif
info_P(PSTR("Fetch Loader: %s from AVR PROGMEM\n"), LOADER_NAME);
system_set_bus_avr();
// snes_irq_lo();
// system_snes_irq_off();
system_set_rom_lorom();
// info_P(PSTR("Activate AVR bus\n"));
// avr_bus_active();
// info_P(PSTR("IRQ off\n"));
// snes_irq_lo();
// snes_irq_off();
// snes_lorom();
info_P(PSTR("Unpack Loader with using method: %s\n"), LOADER_COMPRESS);
#if defined(BOOT_COMPRESS_RLE)
for (i = 0; i < ROM_BUFFER_CNT; i++) {
addr += rle_decode(_rom[i], _rom_size[i], addr);
}
#endif
#if defined(BOOT_COMPRESS_ZIP)
//inflate_init();
neginf_init(0);
for (i=0; i<ROM_BUFFER_CNT; i++){
p_addr = _rom[i];
info_P(PSTR("idx=%i addr=%lx %s\n"), i, p_addr);
for (j=0; j<_rom_size[i]; j++){
c = pgm_read_byte((PGM_VOID_P)p_addr++);
neginf_process_byte(c);
}
}
#endif
#if defined(BOOT_COMPRESS_FASTLZ)
uint32_t rlen = _rom_size[0]+ _rom_size[1];
fastlz_decompress2(_rom[0], _rom[0], rlen);
#endif
info_P(PSTR("\n"));
#if DO_CRC_CHECK_LOADER
dump_memory(0x010000 - 0x100, 0x010000);
uint16_t crc;
crc = crc_check_bulk_memory((uint32_t) 0x000000, 0x010000, 0x010000);
info(PSTR("crc=%x\n"), crc);
#endif
// snes_irq_lo();
// snes_irq_off();
// snes_hirom();
// snes_wr_disable();
// system_set_bus_snes();
// system_set_rom_hirom();
// system_set_wr_disable();
// system_snes_irq_off();
snes_irq_lo();
system_snes_irq_off();
system_set_rom_hirom();
system_set_wr_disable();
system_set_bus_snes();
system_send_snes_reset();
info_P(PSTR("Move Loader to wram"));
for (i = 0; i < 30; i++) {
_delay_ms(20);
info_P(PSTR("."));
}
info_P(PSTR("\n"));
}
void banner()
{
uint8_t i;
for (i = 0; i < 40; i++)
info_P(PSTR("\n"));
info_P(PSTR
(" ________ .__ __ ________ ____ ________\n"));
info_P(PSTR
(" \\_____ \\ __ __|__| ____ | | __\\______ \\ _______ _/_ |/ _____/\n"));
info_P(PSTR
(" / / \\ \\| | \\ |/ ___\\| |/ / | | \\_/ __ \\ \\/ /| / __ \\ \n"));
info_P(PSTR
(" / \\_/. \\ | / \\ \\___| < | ` \\ ___/\\ / | \\ |__\\ \\ \n"));
info_P(PSTR
(" \\_____\\ \\_/____/|__|\\___ >__|_ \\/_______ /\\___ >\\_/ |___|\\_____ / \n"));
info_P(PSTR
(" \\__> \\/ \\/ \\/ \\/ \\/ \n"));
info_P(PSTR("\n"));
info_P(PSTR(" www.optixx.org\n"));
info_P(PSTR("\n"));
info_P(PSTR("Hardware Version: %s Software Version: %s Build Date: %s \n"), HW_VERSION, SW_VERSION, __DATE__ );
}
void transaction_status()
{
info_P(PSTR("\nAddr 0x%06lx\n"), usb_trans.req_addr);
info_P(PSTR("Bank 0x%02x\n"), usb_trans.req_bank);
info_P(PSTR("Banksize 0x%06lx\n"), usb_trans.req_bank_size);
info_P(PSTR("Bankcount 0x%02x\n"), usb_trans.req_bank_cnt);
info_P(PSTR("Status 0x%02x\n"), usb_trans.req_state);
info_P(PSTR("Percent %02i\n"), usb_trans.req_percent);
info_P(PSTR("TX buffer %02i\n"), usb_trans.tx_remaining);
info_P(PSTR("RX buffer %02i\n"), usb_trans.rx_remaining);
info_P(PSTR("Syncerr %02i\n"), usb_trans.sync_errors);
}