X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/f338df2abc35f85961aa6266458f94ea2a102b81..refs/heads/fatcommands:/avr/cmd_boot.c diff --git a/avr/cmd_boot.c b/avr/cmd_boot.c index 8c17799..b4aa5c0 100644 --- a/avr/cmd_boot.c +++ b/avr/cmd_boot.c @@ -1,145 +1,508 @@ +/* + * (C) Copyright 2014-2016 Leo C. + * + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0 + */ /* * Misc boot support */ -#include "common.h" -#include -#include -#include - -#include "command.h" +#include "cmd_boot.h" +#include +#include + +#include "cli_readline.h" /* console_buffer[] */ +#include "cli.h" /* run_command() */ +#include "env.h" +#include "eval_arg.h" +#include "con-utils.h" +#include "getopt-min.h" #include "z80-if.h" +#include "z180-serv.h" /* restart_z180_serv() */ +#include "debug.h" /* ugly hack to get Z180 loadfile into flash memory */ #define const const FLASH #include "../z180/hdrom.h" +#include "../z180/cfboot.h" #undef const -static void z80_load_mem(void) +static void z80_load_mem(int_fast8_t verbosity, + const FLASH unsigned char data[], + const FLASH unsigned long *sections, + const FLASH unsigned long address[], + const FLASH unsigned long length_of_sections[]) { - unsigned sec = 0; - uint32_t sec_base = hdrom_start; - - printf_P(PSTR("Loading Z180 memory... \n")); - - while (sec < hdrom_sections) { - printf_P(PSTR(" From: 0x%.5lX to: 0x%.5lX (%5li bytes)\n"), - hdrom_address[sec], - hdrom_address[sec]+hdrom_length_of_sections[sec] - 1, - hdrom_length_of_sections[sec]); - - zstate_t state = z80_request_bus_save(); - z80_write_block((const FLASH unsigned char *) &hdrom[sec_base], /* src */ - hdrom_address[sec], /* dest */ - hdrom_length_of_sections[sec]); /* len */ - z80_release_bus_save(state); - sec_base+=hdrom_length_of_sections[sec]; - sec++; + uint32_t sec_base = 0; + + if (verbosity > 1) + printf_P(PSTR("Loading Z180 memory... \n")); + + for (unsigned sec = 0; sec < *sections; sec++) { + if (verbosity > 0) { + printf_P(PSTR(" From: 0x%.5lX to: 0x%.5lX (%5li bytes)\n"), + address[sec], + address[sec]+length_of_sections[sec] - 1, + length_of_sections[sec]); + } + + z80_write_block_P((const FLASH unsigned char *) &data[sec_base], /* src */ + address[sec], /* dest */ + length_of_sections[sec]); /* len */ + sec_base += length_of_sections[sec]; } } -int do_loadf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +command_ret_t do_loadf(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) { (void) cmdtp; (void) flag; (void) argc; (void) argv; - if (z80_runstate() & ZST_RUNNING) { - printf_P(PSTR("## Can't load while CPU is running!\n")); - return 1; + if (z80_bus_state() & ZST_RUNNING) { + my_puts_P(PSTR("Can't load while CPU is running!\n")); + return CMD_RET_FAILURE; + } + if (!(z80_bus_cmd(Request) & ZST_ACQUIRED)) { + my_puts_P(PSTR("Bus timeout\n")); + return CMD_RET_FAILURE; } + z80_load_mem(2, hdrom, + &hdrom_sections, + hdrom_address, + hdrom_length_of_sections); + + z80_bus_cmd(Release); + + return CMD_RET_SUCCESS; +} + + +void print_vars(char *title) +{ + uint8_t buf[5]; + zstate_t state = z80_bus_state(); + + if((state & ZST_ACQUIRED) == 0) + z80_bus_cmd(Request); + + z80_read_block(buf, 9, sizeof buf); + + if((state & ZST_ACQUIRED) == 0) + z80_bus_cmd(Release); - z80_load_mem(); - - return 0; + printf_P(PSTR("%s: stage: %d, flag: 0x%.02x, result: %d, IDE stat/error: 0x%.02x/0x%.02x\n"), + title, buf[0], buf[1], buf[2], buf[3], buf[4]); } -int do_busreq_pulse(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +/* + * bootcf [options] + * + * -a address (100h) + * -s start sector (0) + * -c sector count (7) + * -i Partition id (52) + * -n load only + * -t timeout (10000) + * -v verbose + */ + +command_ret_t do_bootcf(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) +{ + struct { + uint8_t jr[2]; + uint16_t loadaddr; + uint8_t sec_start; + uint8_t sec_cnt; + uint8_t part_id; + uint16_t timeout; + uint8_t stages; + } boot_param; + + struct { + uint8_t stages; + uint8_t done; + uint8_t result; + uint8_t ide_stat; + uint8_t ide_error; + } boot_res; + + int_fast8_t verbosity = 0; + uint8_t default_stages; + uint32_t val; + + (void) cmdtp; (void) flag; + + /* get default values */ + memcpy_P(&boot_param, cfboot, sizeof boot_param); + default_stages = boot_param.stages; + + /* reset getopt() */ + optind = 0; + + int opt; + while ((opt = getopt(argc, argv, PSTR("vna:s:c:t:i:"))) != -1) { + switch (opt) { + case 'v': + verbosity++; + break; + case 'n': + if (boot_param.stages > 0) + boot_param.stages--; + break; + case 'a': + val = eval_arg(optarg, NULL); + if (val < 0x100 || val > 0xFE00) { + printf_P(PSTR("Address out of range: 0x%.4lX\n"), val); + return CMD_RET_FAILURE; + } + boot_param.loadaddr = val; + break; + case 's': + val = eval_arg(optarg, NULL); + if (val > 255) { + printf_P(PSTR("Start sector out of range: 0x%lX\n"), val); + return CMD_RET_FAILURE; + } + boot_param.sec_start = val; + break; + case 'c': + val = eval_arg(optarg, NULL); + if (val > 127) { + printf_P(PSTR("Sector count out of range: 0x%lX\n"), val); + return CMD_RET_FAILURE; + } + boot_param.sec_cnt = val; + break; + case 't': + val = eval_arg(optarg, NULL); + if (val < 0x1 || val > 0xFFFF) { + printf_P(PSTR("Timeout value out of range: 0x%lX\n"), val); + return CMD_RET_FAILURE; + } + boot_param.timeout = val; + break; + case 'i': + val = eval_arg(optarg, NULL); + if (val < 0x01 || val > 0xFF) { + printf_P(PSTR("Partition id out of range: 0x%lX\n"), val); + return CMD_RET_FAILURE; + } + boot_param.part_id = val; + break; + default: /* '?' */ + return CMD_RET_USAGE; + } + } + + /* remaining arguments */ + argc -= optind; + if (argc) { + my_puts_P(PSTR("Argument error!\n")); + return CMD_RET_USAGE; + } + + if ((val = (uint32_t) boot_param.loadaddr + boot_param.sec_cnt * 512) >= 0xFF00) { + printf_P(PSTR("Top address out of range: 0x%.4lX\n"), val); + return CMD_RET_FAILURE; + } + + + + if (z80_bus_state() & ZST_RUNNING) { + my_puts_P(PSTR("CPU is allready running!\n")); + return CMD_RET_FAILURE; + } + if (!(z80_bus_cmd(Request) & ZST_ACQUIRED)) { + my_puts_P(PSTR("Bus timeout\n")); + return CMD_RET_FAILURE; + } + z80_load_mem(verbosity, cfboot, + &cfboot_sections, + cfboot_address, + cfboot_length_of_sections); + + z80_write_block((const uint8_t *) &boot_param, + cfboot_address[0], sizeof boot_param); + z80_bus_cmd(Release); + + if (boot_param.stages == 0) { + printf_P(PSTR("Bootloader loaded at: 0x%.4X\n"), (uint16_t) cfboot_address[0]); + } else { + printf_P(PSTR("Executing %d of %d Bootloader stages...\n"), + boot_param.stages, default_stages); + + z80_bus_cmd(Run); + z80_bus_cmd(Release); + + clear_ctrlc(); /* forget any previous Control C */ + for (boot_res.done = 0; boot_res.done != 0xFF;) { + _delay_ms(8); + /* check for ctrl-c to abort... */ + if (had_ctrlc() || ctrlc()) { + break; + } + z80_bus_cmd(Request); + z80_read_block((uint8_t *) &boot_res, + cfboot_address[0]+sizeof boot_param - 1, sizeof boot_res); + z80_bus_cmd(Release); + } + + if (boot_res.done != 0xFF) { + z80_bus_cmd(Reset); + my_puts_P(PSTR("Abort\n")); + } else { + if (boot_param.stages == default_stages && + boot_res.stages == 0 && + boot_res.result == 0) { + my_puts_P(PSTR("Booting...\n")); + } else { + z80_bus_cmd(Reset); + boot_res.stages++; + printf_P(PSTR("Bootloader stopped at stage %d, result: %d, IDE stat/error: 0x%.02x/0x%.02x\n"), + boot_param.stages - boot_res.stages, + boot_res.result, boot_res.ide_stat, boot_res.ide_error); + } + } + } + + return CMD_RET_SUCCESS; +} + +command_ret_t do_busreq_pulse(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) { uint16_t count=1; (void) cmdtp; (void) flag; - if (!(z80_runstate() & ZST_RUNNING)) { + if (!(z80_bus_state() & ZST_RUNNING)) { printf_P(PSTR("## CPU is not running!\n")); - return 1; + return CMD_RET_FAILURE; } if (argc > 1) - count = (uint16_t) strtoul(argv[2], NULL, 16); + count = (uint16_t) eval_arg(argv[1], NULL); - z80_request_bus(); + z80_bus_cmd(Request); while (count--) - z80_busreq_hpulse(); + z80_bus_cmd(M_Cycle); - return 0; + return CMD_RET_SUCCESS; } -int do_go(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +command_ret_t do_go(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) { uint32_t addr; (void) cmdtp; (void) flag; - + if (argc < 2) return CMD_RET_USAGE; - addr = strtoul(argv[1], NULL, 16); + addr = eval_arg(argv[1], NULL); if (addr >= (1UL<<16)) { printf_P(PSTR("## Startaddress 0x%05lx too high.\n" " (Out of logical address space (0x00000-0x0ffff))\n"), addr); - return 1; - } + return CMD_RET_FAILURE; + } - if (z80_runstate() & ZST_RUNNING) { + if (z80_bus_state() & ZST_RUNNING) { printf_P(PSTR("## CPU allready running!\n")); - return 1; + return CMD_RET_FAILURE; } printf_P(PSTR("## Starting application at 0x%04lx ...\n"), addr); if (addr != 0) { uint8_t tmp[3]; - uint_fast8_t i; - - z80_request_bus(); - for (i = 0; i < 3; i++) - tmp[i] = z80_read(i); + + z80_bus_cmd(Request); + z80_read_block (tmp, 0, 3); z80_write(0, 0xc3); z80_write(1, addr); z80_write(2, (addr >> 8)); - z80_run(); - z80_busreq_hpulse(); - z80_busreq_hpulse(); - for (i = 0; i < 3; i++) - z80_write(i, tmp[i]); + z80_bus_cmd(Run); + z80_bus_cmd(M_Cycle); + z80_bus_cmd(M_Cycle); + z80_write_block(tmp, 0, 3); } else - z80_run(); - - z80_release_bus(); + z80_bus_cmd(Run); + + z80_bus_cmd(Release); - return 0; + return CMD_RET_SUCCESS; } -int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +static +void reset_cpu(bus_cmd_t mode) +{ + restart_z180_serv(); + z80_bus_cmd(mode); +} + + +command_ret_t do_reset(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) { (void) cmdtp; (void) flag; (void) argc; (void) argv; - printf_P(PSTR("## CPU now in reset state.\n")); - z80_reset(); + printf_P(PSTR("CPU now in reset state.\n")); - return 0; + reset_cpu(Reset); + return CMD_RET_SUCCESS; } -int do_restart(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +command_ret_t do_restart(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) { (void) cmdtp; (void) flag; (void) argc; (void) argv; - z80_reset_pulse(); + reset_cpu(Restart); + + return CMD_RET_SUCCESS; +} - return 0; +static +void print_con_usage(char esc) +{ printf_P(PSTR("\n" + "------------------------------------------------\n" + " ?,H - This Help\n" + " Q,X - Return to command line\n" + " R - Reset (Restart) CPU\n" + " : - Execute monitor command\n" + " \\ - code input:\n" + " \\nnn 3 decimal digits character code\n" + " \\Xhh 2 hexadecimal digits character code\n" + " ^%c - (Escape char) Type again to send itself\n" + "key>" + ), esc + 0x40); } +command_ret_t do_console(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) +{ + int ch; + uint8_t pending; +// uint8_t help_prompt = 0; + uint8_t code = 0; + uint8_t state = 0; + char esc_char = (char) getenv_ulong(PSTR(ENV_ESC_CHAR), 16, CONFIG_ESC_CHAR); + + (void) cmdtp; (void) flag; (void) argc; (void) argv; + + printf_P(PSTR("Connecting to CPU. Escape character is '^%c'.\n"), + esc_char + 0x40); + + while (1) { + + ATOMIC_BLOCK(ATOMIC_FORCEON) { + pending = (Stat & S_CON_PENDING) != 0; + Stat &= ~S_CON_PENDING; + } + if (pending) { + uint8_t count = 100; + while ((ch = z80_memfifo_getc(fifo_conout)) >= 0 && --count) + putchar(ch); + } + + if ((ch = my_getchar(0)) >= 0) { + switch (state) { + case 0: + if (ch == esc_char) { + state = 1; + /* TODO: Timer starten */ + } else { + z80_memfifo_putc(fifo_conin, ch); + } + break; + case 2: + printf_P(PSTR("\n" + "------------------------------------------------\n")); + case 1: + state = 0; + switch (toupper(ch)) { + + case '?': + case 'H': + print_con_usage(esc_char); + state = 2; + break; + + case 'R': + reset_cpu(Restart); + break; + + case 'X': + case 'Q': + printf_P(PSTR("\n")); + goto quit; + break; + + case ':': + putchar('\n'); + int cmdlen = cli_readline(PSTR(": "), 1); + if (cmdlen > 0) + run_command(console_buffer, 0); + break; + + case '\\': + code = 0; + state = 3; + break; + + default: + if (ch == esc_char) + z80_memfifo_putc(fifo_conin, ch); + break; + } + break; + case 3: + if (toupper(ch) == 'X') { + state = 6; + break; + } + /* fall thru */ + case 4: + case 5: + if (isdigit(ch)) { + code = code * 10 + ch - '0'; + state++; + } else { + if (state > 3) + z80_memfifo_putc(fifo_conin, code); + z80_memfifo_putc(fifo_conin, ch); + state = 0; + } + if (state > 5) { + z80_memfifo_putc(fifo_conin, code); + state = 0; + } + break; + case 6: + case 7: + if (isxdigit(ch)) { + ch = toupper(ch); + if (ch >= 'A') + ch -= 'A' - 10; + code = code * 16 + ch - '0'; + state++; + }else { + if (state > 6) + z80_memfifo_putc(fifo_conin, code); + z80_memfifo_putc(fifo_conin, ch); + state = 0; + } + if (state > 7) { + z80_memfifo_putc(fifo_conin, code); + state = 0; + } + break; + } + } + } +quit: + return CMD_RET_SUCCESS; +}