]>
Commit | Line | Data |
---|---|---|
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 | */ | |
93ea25f2 | 29 | command_ret_t do_dump_mem(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) |
92b46605 | 30 | { |
d9d8de47 | 31 | int (*readwhat)(uint8_t *buf, uint32_t addr, uint8_t count); |
507d25e2 | 32 | |
f338df2a | 33 | (void) cmdtp; (void) flag; |
92b46605 L |
34 | |
35 | if (argc < 2) | |
36 | return CMD_RET_USAGE; | |
37 | ||
e39cd2a2 L |
38 | uint32_t addr; |
39 | uint32_t length = 128; | |
507d25e2 | 40 | |
c748023e L |
41 | switch (argv[0][3]) { |
42 | case 'r': | |
ad9bc17c | 43 | readwhat = ram_read_buf; |
c748023e L |
44 | break; |
45 | case 'e': | |
ad9bc17c | 46 | readwhat = eeprom_read_buf; |
c748023e L |
47 | break; |
48 | case 'f': | |
ad9bc17c | 49 | readwhat = flash_read_buf; |
c748023e L |
50 | break; |
51 | default: | |
f338df2a | 52 | return CMD_RET_USAGE; |
c748023e | 53 | } |
92b46605 | 54 | |
f338df2a | 55 | /* Address is specified since argc > 1 */ |
2d914b45 | 56 | addr = eval_arg(argv[1], NULL); |
f338df2a L |
57 | |
58 | /* If another parameter, it is the length to display. */ | |
59 | if (argc > 2) | |
2d914b45 | 60 | length = (uint16_t) eval_arg(argv[2], NULL); |
92b46605 L |
61 | |
62 | /* Print the lines. */ | |
ad9bc17c | 63 | dump_mem(addr, addr, length, readwhat, NULL); |
92b46605 | 64 | |
d0581f88 | 65 | return CMD_RET_SUCCESS; |
92b46605 L |
66 | } |
67 | ||
93ea25f2 | 68 | command_ret_t do_eep_cp(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) |
92b46605 L |
69 | { |
70 | uint16_t src, dest, count; | |
71 | int_fast8_t step; | |
72 | ||
73 | (void) cmdtp; | |
74 | (void) flag; | |
75 | ||
76 | if (argc != 4) | |
77 | return CMD_RET_USAGE; | |
78 | ||
2d914b45 L |
79 | src = (size_t) eval_arg(argv[1], NULL); |
80 | dest = (size_t) eval_arg(argv[2], NULL); | |
81 | count = (size_t) eval_arg(argv[3], NULL); | |
92b46605 L |
82 | |
83 | if (src > E2END) { | |
84 | debug("src > EEPROM size: 0x%04x\n", src); | |
d0581f88 | 85 | return CMD_RET_FAILURE; |
92b46605 L |
86 | } |
87 | if (dest > E2END) { | |
88 | debug("dest > EEPROM size: 0x%04x\n", dest); | |
d0581f88 | 89 | return CMD_RET_FAILURE; |
92b46605 L |
90 | } |
91 | if (count > E2END+1) { | |
92 | debug("count > EEPROM size: 0x%04x\n", count); | |
d0581f88 | 93 | return CMD_RET_FAILURE; |
92b46605 L |
94 | } |
95 | if (count == 0) { | |
69988dc1 | 96 | debug("Zero length?\n"); |
d0581f88 | 97 | return CMD_RET_FAILURE; |
92b46605 L |
98 | } |
99 | ||
100 | if (dest > src) { | |
101 | src += count - 1; | |
102 | dest += count - 1; | |
103 | step = -1; | |
104 | } else | |
105 | step = 1; | |
106 | ||
107 | while (count-- > 0) { | |
108 | uint8_t data; | |
109 | data = eeprom_read_byte((uint8_t *) src); | |
110 | eeprom_write_byte((uint8_t *) dest, data); | |
111 | src += step; | |
112 | dest += step; | |
113 | ||
114 | } | |
d0581f88 | 115 | return CMD_RET_SUCCESS; |
92b46605 | 116 | } |
69988dc1 | 117 | |
4565be9a | 118 | |
ad9bc17c L |
119 | /* Modify memory. |
120 | * | |
121 | * Syntax: | |
122 | * !mm {addr} | |
123 | * !nm {addr} | |
124 | */ | |
125 | ||
126 | static uint8_t *mm_last_addr; | |
127 | ||
128 | static command_ret_t | |
93ea25f2 | 129 | mod_mem_avr(cmd_tbl_t *cmdtp, int incrflag, uint_fast8_t flag, int argc, char * const argv[]) |
ad9bc17c L |
130 | { |
131 | uint8_t *addr; | |
ad9bc17c L |
132 | int nbytes; |
133 | ||
134 | (void) cmdtp; | |
135 | ||
136 | if (argc != 2) | |
137 | return CMD_RET_USAGE; | |
138 | ||
139 | /* We use the last specified parameters, unless new ones are | |
140 | * entered. | |
141 | */ | |
142 | addr = mm_last_addr; | |
143 | ||
144 | if ((flag & CMD_FLAG_REPEAT) == 0) { | |
145 | /* New command specified. | |
146 | */ | |
147 | ||
148 | /* Address is specified since argc > 1 | |
149 | */ | |
2d914b45 | 150 | addr = (uint8_t *) (size_t) eval_arg(argv[1], NULL); |
ad9bc17c L |
151 | } |
152 | ||
153 | /* Print the address, followed by value. Then accept input for | |
154 | * the next value. A non-converted value exits. | |
155 | */ | |
156 | do { | |
c6a1984b | 157 | uint8_t data = *addr; |
ad9bc17c L |
158 | printf_P(PSTR("%04x: %02x"), addr, data); |
159 | ||
8ed66016 | 160 | nbytes = cli_readline(PSTR(" ? "), 0); |
ad9bc17c L |
161 | if (nbytes == 0 || (nbytes == 1 && console_buffer[0] == '-')) { |
162 | /* <CR> pressed as only input, don't modify current | |
163 | * location and move to next. "-" pressed will go back. | |
164 | */ | |
165 | if (incrflag) | |
166 | addr += nbytes ? -1 : 1; | |
167 | nbytes = 1; | |
168 | ||
169 | } else { | |
170 | char *endp; | |
2d914b45 | 171 | data = eval_arg(console_buffer, &endp); |
ad9bc17c L |
172 | nbytes = endp - console_buffer; |
173 | if (nbytes) { | |
174 | *addr = data; | |
175 | if (incrflag) | |
176 | addr++; | |
177 | } | |
178 | } | |
13e88ed5 | 179 | } while (nbytes > 0); |
ad9bc17c L |
180 | |
181 | mm_last_addr = addr; | |
182 | return CMD_RET_SUCCESS; | |
183 | } | |
184 | ||
185 | ||
93ea25f2 | 186 | command_ret_t do_mem_mm_avr(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) |
ad9bc17c L |
187 | { |
188 | return mod_mem_avr (cmdtp, 1, flag, argc, argv); | |
189 | } | |
93ea25f2 | 190 | command_ret_t do_mem_nm_avr(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[]) |
ad9bc17c L |
191 | { |
192 | return mod_mem_avr (cmdtp, 0, flag, argc, argv); | |
193 | } | |
194 | ||
4565be9a L |
195 | /*------------------------------------------------------------------------------*/ |
196 | ||
69988dc1 L |
197 | struct __freelist { |
198 | size_t sz; | |
199 | struct __freelist *nx; | |
200 | }; | |
201 | ||
8315e7f4 L |
202 | extern char *__brkval; /* first location not yet allocated */ |
203 | extern struct __freelist *__flp; /* freelist pointer (head of freelist) */ | |
69988dc1 L |
204 | |
205 | #define STACK_POINTER() ((char *)AVR_STACK_POINTER_REG) | |
206 | ||
8315e7f4 L |
207 | size_t get_freemem(void) |
208 | { | |
209 | return (size_t) STACK_POINTER() - __malloc_margin - (size_t) __brkval; | |
210 | } | |
211 | ||
69988dc1 L |
212 | void |
213 | printfreelist(const char * title) | |
214 | { | |
215 | struct __freelist *fp1; | |
216 | int i; | |
217 | unsigned int freesum = 0; | |
218 | ||
219 | if (!__flp) { | |
d5fbba8c | 220 | printf_P(PSTR("%s no free list\n"), title ? title : ""); |
69988dc1 | 221 | } else { |
d5fbba8c | 222 | printf_P(PSTR("Free list: %s\n"), title ? title : ""); |
69988dc1 | 223 | for (i = 0, fp1 = __flp; fp1; i++, fp1 = fp1->nx) { |
d5fbba8c | 224 | printf_P(PSTR(" entry %d @ %04x: size %4u, next "), |
69988dc1 L |
225 | i, (size_t)fp1, fp1->sz); |
226 | if (fp1->nx) | |
d5fbba8c | 227 | printf_P(PSTR("%04x\n"), (size_t)fp1->nx); |
69988dc1 | 228 | else |
d5fbba8c | 229 | printf_P(PSTR("NULL\n")); |
69988dc1 L |
230 | freesum += fp1->sz; |
231 | } | |
232 | } | |
507d25e2 | 233 | |
8315e7f4 | 234 | freesum += get_freemem(); |
69988dc1 | 235 | |
d5fbba8c | 236 | printf_P(PSTR("SP: %04x, __brkval: %04x, Total free: %04u\n"), |
69988dc1 L |
237 | (size_t) STACK_POINTER(), (size_t) __brkval, freesum); |
238 | } | |
239 | ||
93ea25f2 | 240 | command_ret_t do_pr_free_avr(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc UNUSED, char * const argv[] UNUSED) |
c6a1984b L |
241 | { |
242 | printfreelist(NULL); | |
243 | ||
244 | return CMD_RET_SUCCESS; | |
245 | } | |
69988dc1 | 246 | |
8315e7f4 L |
247 | void dump_heap(void) |
248 | { | |
249 | //extern unsigned int __brkval; | |
250 | ||
251 | dump_ram((uint8_t *)__malloc_heap_start, (size_t) __malloc_heap_start, __brkval - __malloc_heap_start, | |
252 | "=== Heap:"); | |
253 | } | |
254 | ||
255 | command_ret_t do_pr_heap_avr(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc UNUSED, char * const argv[] UNUSED) | |
256 | { | |
257 | dump_heap(); | |
258 | ||
259 | return CMD_RET_SUCCESS; | |
260 | } | |
261 | ||
92b46605 | 262 | #endif /* DEBUG */ |