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Commit | Line | Data |
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35edb766 | 1 | /* |
2d914b45 | 2 | * (C) Copyright 2014,2016 Leo C. <erbl259-lmu@yahoo.de> |
35edb766 | 3 | * |
8ed66016 | 4 | * SPDX-License-Identifier: GPL-2.0 |
35edb766 L |
5 | */ |
6 | ||
8ed66016 | 7 | #include "debug.h" |
92b46605 | 8 | #include "common.h" |
2d914b45 | 9 | #include <stdlib.h> /* __malloc_margin */ |
f338df2a | 10 | #include <string.h> |
92b46605 L |
11 | #include <ctype.h> |
12 | #include <avr/eeprom.h> | |
13 | ||
14 | #include "command.h" | |
ad9bc17c | 15 | #include "cli_readline.h" |
2d914b45 | 16 | #include "eval_arg.h" |
e39cd2a2 | 17 | #include "print-utils.h" |
35edb766 | 18 | |
92b46605 L |
19 | /* |
20 | * Debugging | |
21 | */ | |
e39cd2a2 | 22 | |
92b46605 L |
23 | #ifdef DEBUG |
24 | ||
92b46605 | 25 | /* |
61b0cfe9 | 26 | * Memory Display |
92b46605 L |
27 | * md addr {len} |
28 | */ | |
b35fcb2f | 29 | command_ret_t do_dump_mem(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[]) |
92b46605 | 30 | { |
b35fcb2f | 31 | ERRNUM (*readwhat)(uint8_t *buf, uint32_t addr, uint8_t count); |
92b46605 L |
32 | |
33 | if (argc < 2) | |
34 | return CMD_RET_USAGE; | |
35 | ||
e39cd2a2 L |
36 | uint32_t addr; |
37 | uint32_t length = 128; | |
507d25e2 | 38 | |
c748023e L |
39 | switch (argv[0][3]) { |
40 | case 'r': | |
ad9bc17c | 41 | readwhat = ram_read_buf; |
c748023e L |
42 | break; |
43 | case 'e': | |
ad9bc17c | 44 | readwhat = eeprom_read_buf; |
c748023e L |
45 | break; |
46 | case 'f': | |
ad9bc17c | 47 | readwhat = flash_read_buf; |
c748023e L |
48 | break; |
49 | default: | |
f338df2a | 50 | return CMD_RET_USAGE; |
c748023e | 51 | } |
92b46605 | 52 | |
f338df2a | 53 | /* Address is specified since argc > 1 */ |
2d914b45 | 54 | addr = eval_arg(argv[1], NULL); |
f338df2a L |
55 | |
56 | /* If another parameter, it is the length to display. */ | |
57 | if (argc > 2) | |
2d914b45 | 58 | length = (uint16_t) eval_arg(argv[2], NULL); |
92b46605 L |
59 | |
60 | /* Print the lines. */ | |
ad9bc17c | 61 | dump_mem(addr, addr, length, readwhat, NULL); |
92b46605 | 62 | |
d0581f88 | 63 | return CMD_RET_SUCCESS; |
92b46605 L |
64 | } |
65 | ||
fcf1d5b3 | 66 | command_ret_t do_eep_cp(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) |
92b46605 L |
67 | { |
68 | uint16_t src, dest, count; | |
69 | int_fast8_t step; | |
70 | ||
71 | (void) cmdtp; | |
72 | (void) flag; | |
73 | ||
74 | if (argc != 4) | |
75 | return CMD_RET_USAGE; | |
76 | ||
2d914b45 L |
77 | src = (size_t) eval_arg(argv[1], NULL); |
78 | dest = (size_t) eval_arg(argv[2], NULL); | |
79 | count = (size_t) eval_arg(argv[3], NULL); | |
92b46605 L |
80 | |
81 | if (src > E2END) { | |
82 | debug("src > EEPROM size: 0x%04x\n", src); | |
d0581f88 | 83 | return CMD_RET_FAILURE; |
92b46605 L |
84 | } |
85 | if (dest > E2END) { | |
86 | debug("dest > EEPROM size: 0x%04x\n", dest); | |
d0581f88 | 87 | return CMD_RET_FAILURE; |
92b46605 L |
88 | } |
89 | if (count > E2END+1) { | |
90 | debug("count > EEPROM size: 0x%04x\n", count); | |
d0581f88 | 91 | return CMD_RET_FAILURE; |
92b46605 L |
92 | } |
93 | if (count == 0) { | |
69988dc1 | 94 | debug("Zero length?\n"); |
d0581f88 | 95 | return CMD_RET_FAILURE; |
92b46605 L |
96 | } |
97 | ||
98 | if (dest > src) { | |
99 | src += count - 1; | |
100 | dest += count - 1; | |
101 | step = -1; | |
102 | } else | |
103 | step = 1; | |
104 | ||
105 | while (count-- > 0) { | |
106 | uint8_t data; | |
107 | data = eeprom_read_byte((uint8_t *) src); | |
108 | eeprom_write_byte((uint8_t *) dest, data); | |
109 | src += step; | |
110 | dest += step; | |
111 | ||
112 | } | |
d0581f88 | 113 | return CMD_RET_SUCCESS; |
92b46605 | 114 | } |
69988dc1 | 115 | |
4565be9a | 116 | |
ad9bc17c L |
117 | /* Modify memory. |
118 | * | |
119 | * Syntax: | |
120 | * !mm {addr} | |
121 | * !nm {addr} | |
122 | */ | |
123 | ||
124 | static uint8_t *mm_last_addr; | |
125 | ||
126 | static command_ret_t | |
fcf1d5b3 | 127 | mod_mem_avr(cmd_tbl_t *cmdtp, int incrflag, uint_fast8_t flag, int argc, char * const argv[]) |
ad9bc17c L |
128 | { |
129 | uint8_t *addr; | |
ad9bc17c L |
130 | int nbytes; |
131 | ||
132 | (void) cmdtp; | |
133 | ||
134 | if (argc != 2) | |
135 | return CMD_RET_USAGE; | |
136 | ||
137 | /* We use the last specified parameters, unless new ones are | |
138 | * entered. | |
139 | */ | |
140 | addr = mm_last_addr; | |
141 | ||
142 | if ((flag & CMD_FLAG_REPEAT) == 0) { | |
143 | /* New command specified. | |
144 | */ | |
145 | ||
146 | /* Address is specified since argc > 1 | |
147 | */ | |
2d914b45 | 148 | addr = (uint8_t *) (size_t) eval_arg(argv[1], NULL); |
ad9bc17c L |
149 | } |
150 | ||
151 | /* Print the address, followed by value. Then accept input for | |
152 | * the next value. A non-converted value exits. | |
153 | */ | |
154 | do { | |
fb9b17a9 | 155 | uint8_t data = *addr; |
ad9bc17c L |
156 | printf_P(PSTR("%04x: %02x"), addr, data); |
157 | ||
8ed66016 | 158 | nbytes = cli_readline(PSTR(" ? "), 0); |
ad9bc17c L |
159 | if (nbytes == 0 || (nbytes == 1 && console_buffer[0] == '-')) { |
160 | /* <CR> pressed as only input, don't modify current | |
161 | * location and move to next. "-" pressed will go back. | |
162 | */ | |
163 | if (incrflag) | |
164 | addr += nbytes ? -1 : 1; | |
165 | nbytes = 1; | |
166 | ||
167 | } else { | |
168 | char *endp; | |
2d914b45 | 169 | data = eval_arg(console_buffer, &endp); |
ad9bc17c L |
170 | nbytes = endp - console_buffer; |
171 | if (nbytes) { | |
172 | *addr = data; | |
173 | if (incrflag) | |
174 | addr++; | |
175 | } | |
176 | } | |
13e88ed5 | 177 | } while (nbytes > 0); |
ad9bc17c L |
178 | |
179 | mm_last_addr = addr; | |
180 | return CMD_RET_SUCCESS; | |
181 | } | |
182 | ||
183 | ||
fcf1d5b3 | 184 | command_ret_t do_mem_mm_avr(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) |
ad9bc17c L |
185 | { |
186 | return mod_mem_avr (cmdtp, 1, flag, argc, argv); | |
187 | } | |
fcf1d5b3 | 188 | command_ret_t do_mem_nm_avr(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) |
ad9bc17c L |
189 | { |
190 | return mod_mem_avr (cmdtp, 0, flag, argc, argv); | |
191 | } | |
192 | ||
4565be9a L |
193 | /*------------------------------------------------------------------------------*/ |
194 | ||
69988dc1 L |
195 | struct __freelist { |
196 | size_t sz; | |
197 | struct __freelist *nx; | |
198 | }; | |
199 | ||
b9aef06e L |
200 | extern char *__brkval; /* first location not yet allocated */ |
201 | extern struct __freelist *__flp; /* freelist pointer (head of freelist) */ | |
69988dc1 L |
202 | |
203 | #define STACK_POINTER() ((char *)AVR_STACK_POINTER_REG) | |
204 | ||
b9aef06e L |
205 | size_t get_freemem(void) |
206 | { | |
207 | return (size_t) STACK_POINTER() - __malloc_margin - (size_t) __brkval; | |
208 | } | |
209 | ||
69988dc1 L |
210 | void |
211 | printfreelist(const char * title) | |
212 | { | |
213 | struct __freelist *fp1; | |
214 | int i; | |
215 | unsigned int freesum = 0; | |
216 | ||
217 | if (!__flp) { | |
d649155c | 218 | printf_P(PSTR("%s no free list\n"), title ? title : ""); |
69988dc1 | 219 | } else { |
d649155c | 220 | printf_P(PSTR("Free list: %s\n"), title ? title : ""); |
69988dc1 | 221 | for (i = 0, fp1 = __flp; fp1; i++, fp1 = fp1->nx) { |
d649155c | 222 | printf_P(PSTR(" entry %d @ %04x: size %4u, next "), |
69988dc1 L |
223 | i, (size_t)fp1, fp1->sz); |
224 | if (fp1->nx) | |
d649155c | 225 | printf_P(PSTR("%04x\n"), (size_t)fp1->nx); |
69988dc1 | 226 | else |
d649155c | 227 | printf_P(PSTR("NULL\n")); |
69988dc1 L |
228 | freesum += fp1->sz; |
229 | } | |
230 | } | |
507d25e2 | 231 | |
b9aef06e | 232 | freesum += get_freemem(); |
69988dc1 | 233 | |
d649155c | 234 | printf_P(PSTR("SP: %04x, __brkval: %04x, Total free: %04u\n"), |
69988dc1 L |
235 | (size_t) STACK_POINTER(), (size_t) __brkval, freesum); |
236 | } | |
237 | ||
fcf1d5b3 | 238 | command_ret_t do_pr_free_avr(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc UNUSED, char * const argv[] UNUSED) |
fb9b17a9 L |
239 | { |
240 | printfreelist(NULL); | |
241 | ||
242 | return CMD_RET_SUCCESS; | |
243 | } | |
69988dc1 | 244 | |
b9aef06e L |
245 | void dump_heap(void) |
246 | { | |
247 | //extern unsigned int __brkval; | |
248 | ||
249 | dump_ram((uint8_t *)__malloc_heap_start, (size_t) __malloc_heap_start, __brkval - __malloc_heap_start, | |
250 | "=== Heap:"); | |
251 | } | |
252 | ||
253 | command_ret_t do_pr_heap_avr(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc UNUSED, char * const argv[] UNUSED) | |
254 | { | |
255 | dump_heap(); | |
256 | ||
257 | return CMD_RET_SUCCESS; | |
258 | } | |
259 | ||
92b46605 | 260 | #endif /* DEBUG */ |