X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/e39cd2a2822a410ba06d61657a467c8307daa35d..2d23b44169ebf0e91e2262bc33a6ed62e62ae137:/avr/debug.c diff --git a/avr/debug.c b/avr/debug.c index 1940eb0..ea4aa21 100644 --- a/avr/debug.c +++ b/avr/debug.c @@ -1,61 +1,34 @@ +/* + * (C) Copyright 2014,2016 Leo C. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include "debug.h" #include "common.h" -#include +#include /* __malloc_margin */ #include #include #include #include "command.h" +#include "cli_readline.h" +#include "eval_arg.h" #include "print-utils.h" -#include "debug.h" + /* * Debugging */ #ifdef DEBUG - -void eeprom_read_buf(uint8_t *buf, uint32_t addr, uint8_t count) -{ - eeprom_read_block((void *) buf, (const void *) (size_t) addr, count); -} - -void ram_read_buf(uint8_t *buf, uint32_t addr, uint8_t count) -{ - while (count--) - *buf++ = *(uint8_t *) (size_t) addr++; -} - - -void dump_eep(uint32_t addr, unsigned int len, char *title) -{ - dump_mem(addr, len, eeprom_read_buf, title); -} - -void dump_ram(uint32_t addr, unsigned int len, char *title) -{ - dump_mem(addr, len, ram_read_buf, title); -} - - -#if 0 -void dump_heap(void) -{ - extern unsigned int __brkval; - - dump_ram(__malloc_heap_start, - __brkval - (unsigned int) __malloc_heap_start, - "=== Heap:"); -} -#endif - - /* * Memory Display * md addr {len} */ -command_ret_t do_dump_mem(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +command_ret_t do_dump_mem(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) { - void (*readhow)(uint8_t *buf, uint32_t addr, uint8_t count); + int (*readwhat)(uint8_t *buf, uint32_t addr, uint8_t count); (void) cmdtp; (void) flag; @@ -65,27 +38,34 @@ command_ret_t do_dump_mem(cmd_tbl_t *cmdtp, int flag, int argc, char * const arg uint32_t addr; uint32_t length = 128; - if (strchr(argv[0],'r') != NULL) - readhow = ram_read_buf; - else if (strchr(argv[0],'e') != NULL) - readhow = eeprom_read_buf; - else + switch (argv[0][3]) { + case 'r': + readwhat = ram_read_buf; + break; + case 'e': + readwhat = eeprom_read_buf; + break; + case 'f': + readwhat = flash_read_buf; + break; + default: return CMD_RET_USAGE; + } /* Address is specified since argc > 1 */ - addr = strtoul(argv[1], NULL, 16); + addr = eval_arg(argv[1], NULL); /* If another parameter, it is the length to display. */ if (argc > 2) - length = (uint16_t) strtoul(argv[2], NULL, 16); + length = (uint16_t) eval_arg(argv[2], NULL); /* Print the lines. */ - dump_mem(addr, length, readhow, NULL); + dump_mem(addr, addr, length, readwhat, NULL); return CMD_RET_SUCCESS; } -command_ret_t do_eep_cp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +command_ret_t do_eep_cp(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) { uint16_t src, dest, count; int_fast8_t step; @@ -96,9 +76,9 @@ command_ret_t do_eep_cp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[ if (argc != 4) return CMD_RET_USAGE; - src = (size_t) strtoul(argv[1], NULL, 16); - dest = (size_t) strtoul(argv[2], NULL, 16); - count = (size_t) strtoul(argv[3], NULL, 16); + src = (size_t) eval_arg(argv[1], NULL); + dest = (size_t) eval_arg(argv[2], NULL); + count = (size_t) eval_arg(argv[3], NULL); if (src > E2END) { debug("src > EEPROM size: 0x%04x\n", src); @@ -135,21 +115,100 @@ command_ret_t do_eep_cp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[ return CMD_RET_SUCCESS; } -/*------------------------------------------------------------------------------*/ +/* Modify memory. + * + * Syntax: + * !mm {addr} + * !nm {addr} + */ -#if 1 + static uint8_t *mm_last_addr; + +static command_ret_t +mod_mem_avr(cmd_tbl_t *cmdtp, int incrflag, uint_fast8_t flag, int argc, char * const argv[]) +{ + uint8_t *addr; + int nbytes; + + (void) cmdtp; + + if (argc != 2) + return CMD_RET_USAGE; + + /* We use the last specified parameters, unless new ones are + * entered. + */ + addr = mm_last_addr; + + if ((flag & CMD_FLAG_REPEAT) == 0) { + /* New command specified. + */ + + /* Address is specified since argc > 1 + */ + addr = (uint8_t *) (size_t) eval_arg(argv[1], NULL); + } + + /* Print the address, followed by value. Then accept input for + * the next value. A non-converted value exits. + */ + do { + uint8_t data = *addr; + printf_P(PSTR("%04x: %02x"), addr, data); + + nbytes = cli_readline(PSTR(" ? "), 0); + if (nbytes == 0 || (nbytes == 1 && console_buffer[0] == '-')) { + /* pressed as only input, don't modify current + * location and move to next. "-" pressed will go back. + */ + if (incrflag) + addr += nbytes ? -1 : 1; + nbytes = 1; + + } else { + char *endp; + data = eval_arg(console_buffer, &endp); + nbytes = endp - console_buffer; + if (nbytes) { + *addr = data; + if (incrflag) + addr++; + } + } + } while (nbytes > 0); + + mm_last_addr = addr; + return CMD_RET_SUCCESS; +} + + +command_ret_t do_mem_mm_avr(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) +{ + return mod_mem_avr (cmdtp, 1, flag, argc, argv); +} +command_ret_t do_mem_nm_avr(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) +{ + return mod_mem_avr (cmdtp, 0, flag, argc, argv); +} + +/*------------------------------------------------------------------------------*/ struct __freelist { size_t sz; struct __freelist *nx; }; -extern char *__brkval; /* first location not yet allocated */ -extern struct __freelist *__flp; /* freelist pointer (head of freelist) */ +extern char *__brkval; /* first location not yet allocated */ +extern struct __freelist *__flp; /* freelist pointer (head of freelist) */ #define STACK_POINTER() ((char *)AVR_STACK_POINTER_REG) +size_t get_freemem(void) +{ + return (size_t) STACK_POINTER() - __malloc_margin - (size_t) __brkval; +} + void printfreelist(const char * title) { @@ -157,29 +216,47 @@ printfreelist(const char * title) int i; unsigned int freesum = 0; -/* TODO: printf_P */ - if (!__flp) { - printf("%s no free list\n", title ? title : ""); + printf_P(PSTR("%s no free list\n"), title ? title : ""); } else { - printf("Free list: %s\n", title ? title : ""); + printf_P(PSTR("Free list: %s\n"), title ? title : ""); for (i = 0, fp1 = __flp; fp1; i++, fp1 = fp1->nx) { - printf(" entry %d @ %04x: size %4u, next ", + printf_P(PSTR(" entry %d @ %04x: size %4u, next "), i, (size_t)fp1, fp1->sz); if (fp1->nx) - printf("%04x\n", (size_t)fp1->nx); + printf_P(PSTR("%04x\n"), (size_t)fp1->nx); else - printf("NULL\n"); + printf_P(PSTR("NULL\n")); freesum += fp1->sz; } } - freesum += (size_t) STACK_POINTER() - __malloc_margin - (size_t) __brkval; + freesum += get_freemem(); - printf("SP: %04x, __brkval: %04x, Total free: %04u\n", + printf_P(PSTR("SP: %04x, __brkval: %04x, Total free: %04u\n"), (size_t) STACK_POINTER(), (size_t) __brkval, freesum); } -#endif +command_ret_t do_pr_free_avr(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc UNUSED, char * const argv[] UNUSED) +{ + printfreelist(NULL); + + return CMD_RET_SUCCESS; +} + +void dump_heap(void) +{ + //extern unsigned int __brkval; + + dump_ram((uint8_t *)__malloc_heap_start, (size_t) __malloc_heap_start, __brkval - __malloc_heap_start, + "=== Heap:"); +} + +command_ret_t do_pr_heap_avr(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc UNUSED, char * const argv[] UNUSED) +{ + dump_heap(); + + return CMD_RET_SUCCESS; +} #endif /* DEBUG */