SummerCart64/sw/bootloader/src/startup.S

.section .text.entry_handler, "ax", %progbits

entry_handler:
    .type entry_handler, %function
    .global entry_handler

    la $gp, _gp
    la $sp, _sp

    lui $t0, 0xA400
    lbu $a0, 9($t0)     # TV type
    lbu $a1, 10($t0)    # Reset type
    lw $a2, 4($t0)      # Entropy

    la $t0, init
    jalr $t0

    la $t0, main
    jalr $t0

loop:
    j loop
[SC64][SW] Added RTC test, code cleanup 2023-02-06 19:43:11 +01:00			`.section .text.entry_handler, "ax", %progbits`
[SC64][FW][SW] Moved CIC emulation from MCU to FPGA (#56) 2023-12-14 19:26:54 +01:00
[SC64][FW][SW] Added escape mechanism in USB, changed N64 boot procedure, added "fake SD card through USB" feature, rewritten PC communication software (#13) 2021-12-10 17:36:30 +01:00			`entry_handler:`
[SC64][FW][SW] Moved CIC emulation from MCU to FPGA (#56) 2023-12-14 19:26:54 +01:00			`.type entry_handler, %function`
[SC64][FW][SW] Added escape mechanism in USB, changed N64 boot procedure, added "fake SD card through USB" feature, rewritten PC communication software (#13) 2021-12-10 17:36:30 +01:00			`.global entry_handler`

			`la $gp, _gp`
			`la $sp, _sp`

[SC64][FW][SW] Moved CIC emulation from MCU to FPGA (#56) 2023-12-14 19:26:54 +01:00			`lui $t0, 0xA400`
			`lbu $a0, 9($t0) # TV type`
			`lbu $a1, 10($t0) # Reset type`
[SC64][SW] Bootloader: added PI tests and improved SDRAM test reliability 2024-05-05 21:01:46 +02:00			`lw $a2, 4($t0) # Entropy`
[SC64][FW][HW][SW] New version based on LCMXO2 FPGA (#19) * isv support + usb/dd improvements * make room for saves * update offset * fixed debug address * idk * exception * ironed out all broken stuff * cleanup * return epc fix * better * more cleanup * even more cleanup * mooore cleanup * fixed printf * no assert * improved docker build, pyft232 instead of pyserial * fixed displaying long message strings description test * just straight cleanup * smallest cleanup * PAL * cpu buffer * n64 bootloader done * super slow usb storage reading implemented * reduced buffer size * usb gets fast * little cleanup * double buffered reads * removed separate event id * ISV in hardware finally * small exception changes * mac testing * py spacing * fsd write, rtc, isv and reset fixes * fixxx * good stopping point * usb fixed? * pretend we have 128 MB sdram * backup * chmod * test * test done * more tests * user rm * help * final fix * updated component values * nice asset names * cic 64dd support * ddipl enable separation * pre DMA rewrite, created dedicated buffer memory space, simplified code * dma rewrite, needs testing * moved xml * dd basics * timing * 64dd working yet again, isv brought back, dma fixes, usb path rewrite, pc code rewrite * added usb read functionality, general cleanup * changed mem addressing * added fpga flash update access * added mcu update * chmod * little cleanup * update format and stuff * fixes * uninitialized fix * small fixes * update fixes * update stuff done * fpga update tested * build time fix * boot fix * test timing * readme test * test 2 * reports * testseet * final * build test * forgot * button and naming * General cleanup And multiline commit message test * Exception screen UI touch ups * display separation and tests beginning * pc software update * pc software done * timing test * delete launch.json * sw fixes * fixed button hole diameter in shell * small cleanup, rpi testing * shell fillet fix, pc rtc printing * added cfg lock mechanism * moved lock to cfg address space * extended ROM and ISV fixes * preliminary sd card support * little sd card cleanup * sd menu fixes * 5 second limit * reduced shell thickness * basic led act blinking * faster sd menu loading * inst cache invalidate * sd card writing is working * SD card CSD and CID registers * wait for previous command * led error codes * fixed cfg_translate_address use * 64dd from sd card working * 64dd speedup and button handling * delayed address latching cycle - might break other builds, needs testing * bootloader improvements * small fixes * return previous cfg when setting new * cache stuff * unfloader debug protocol support * UNFLoader style debug command line support * requirements.txt * shell groove fillet * reset state inside controller * fixed fast PI read, added PI R/W fifo debug info * PI access prioritize * SD clock stop when RX FIFO is more than half full * flash erase method change * CFG error handling, TLOZ MM debug ISV support * CIC5167 support * general fixes * USB unplugged cable handling * turn off led when changing between error/act modes * rtc 2 bit clock stop support * line endings * Revert "line endings" This reverts commit d0ddfe5ec716d2db7c72561703f51a94bf34e6bb. * PI address debug * readme test * diagram update * diagram background * diagram background * diagram background * updated readme 2022-11-10 11:46:54 +01:00
[SC64][FW][SW] Added escape mechanism in USB, changed N64 boot procedure, added "fake SD card through USB" feature, rewritten PC communication software (#13) 2021-12-10 17:36:30 +01:00			`la $t0, init`
			`jalr $t0`

			`la $t0, main`
			`jalr $t0`

			`loop:`
			`j loop`