diff options
author | David S. Miller <davem@davemloft.net> | 2009-01-08 14:05:59 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-01-08 14:05:59 -0500 |
commit | 7f46b1343f723f98634a5dcee47856b2000079ed (patch) | |
tree | ed22b6298c8dd2f687890a0d79abcd1d273b5f81 /firmware | |
parent | b8c31da64165b8566fc6e1c9c826f76e7b98ff02 (diff) | |
parent | 9e42d0cf5020aaf217433cad1a224745241d212a (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'firmware')
-rw-r--r-- | firmware/.gitignore | 1 | ||||
-rw-r--r-- | firmware/Makefile | 10 | ||||
-rw-r--r-- | firmware/dsp56k/bootstrap.asm | 26 | ||||
-rw-r--r-- | firmware/ihex2fw.c | 268 |
4 files changed, 17 insertions, 288 deletions
diff --git a/firmware/.gitignore b/firmware/.gitignore index d9c69017bc9a..f89a21fffbf1 100644 --- a/firmware/.gitignore +++ b/firmware/.gitignore | |||
@@ -3,4 +3,3 @@ | |||
3 | *.bin | 3 | *.bin |
4 | *.csp | 4 | *.csp |
5 | *.dsp | 5 | *.dsp |
6 | ihex2fw | ||
diff --git a/firmware/Makefile b/firmware/Makefile index aae5129fa892..ea1d28f9b44c 100644 --- a/firmware/Makefile +++ b/firmware/Makefile | |||
@@ -101,10 +101,10 @@ quiet_cmd_ihex = IHEX $@ | |||
101 | cmd_ihex = $(OBJCOPY) -Iihex -Obinary $< $@ | 101 | cmd_ihex = $(OBJCOPY) -Iihex -Obinary $< $@ |
102 | 102 | ||
103 | quiet_cmd_ihex2fw = IHEX2FW $@ | 103 | quiet_cmd_ihex2fw = IHEX2FW $@ |
104 | cmd_ihex2fw = $(objtree)/$(obj)/ihex2fw $< $@ | 104 | cmd_ihex2fw = $(objtree)/scripts/ihex2fw $< $@ |
105 | 105 | ||
106 | quiet_cmd_h16tofw = H16TOFW $@ | 106 | quiet_cmd_h16tofw = H16TOFW $@ |
107 | cmd_h16tofw = $(objtree)/$(obj)/ihex2fw -w $< $@ | 107 | cmd_h16tofw = $(objtree)/scripts/ihex2fw -w $< $@ |
108 | 108 | ||
109 | quiet_cmd_fwbin = MK_FW $@ | 109 | quiet_cmd_fwbin = MK_FW $@ |
110 | cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)"; \ | 110 | cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)"; \ |
@@ -167,11 +167,11 @@ $(obj)/%: $(obj)/%.ihex | $(objtree)/$(obj)/$$(dir %) | |||
167 | # is actually meaningful, because the firmware has to be loaded in a certain | 167 | # is actually meaningful, because the firmware has to be loaded in a certain |
168 | # order rather than as a single binary blob. Thus, we convert them into our | 168 | # order rather than as a single binary blob. Thus, we convert them into our |
169 | # more compact binary representation of ihex records (<linux/ihex.h>) | 169 | # more compact binary representation of ihex records (<linux/ihex.h>) |
170 | $(obj)/%.fw: $(obj)/%.HEX $(obj)/ihex2fw | $(objtree)/$(obj)/$$(dir %) | 170 | $(obj)/%.fw: $(obj)/%.HEX | $(objtree)/$(obj)/$$(dir %) |
171 | $(call cmd,ihex2fw) | 171 | $(call cmd,ihex2fw) |
172 | 172 | ||
173 | # .H16 is our own modified form of Intel HEX, with 16-bit length for records. | 173 | # .H16 is our own modified form of Intel HEX, with 16-bit length for records. |
174 | $(obj)/%.fw: $(obj)/%.H16 $(obj)/ihex2fw | $(objtree)/$(obj)/$$(dir %) | 174 | $(obj)/%.fw: $(obj)/%.H16 | $(objtree)/$(obj)/$$(dir %) |
175 | $(call cmd,h16tofw) | 175 | $(call cmd,h16tofw) |
176 | 176 | ||
177 | $(firmware-dirs): | 177 | $(firmware-dirs): |
@@ -188,5 +188,3 @@ targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \ | |||
188 | # Without this, built-in.o won't be created when it's empty, and the | 188 | # Without this, built-in.o won't be created when it's empty, and the |
189 | # final vmlinux link will fail. | 189 | # final vmlinux link will fail. |
190 | obj-n := dummy | 190 | obj-n := dummy |
191 | |||
192 | hostprogs-y := ihex2fw | ||
diff --git a/firmware/dsp56k/bootstrap.asm b/firmware/dsp56k/bootstrap.asm index 10d891929cd3..a411047e6db3 100644 --- a/firmware/dsp56k/bootstrap.asm +++ b/firmware/dsp56k/bootstrap.asm | |||
@@ -51,19 +51,19 @@ start jmp <$40 | |||
51 | ; Copy DSP program control | 51 | ; Copy DSP program control |
52 | move #real,r0 | 52 | move #real,r0 |
53 | move #upload,r1 | 53 | move #upload,r1 |
54 | do #upload_end-upload,<_copy | 54 | do #upload_end-upload,_copy |
55 | move P:(r0)+,x0 | 55 | movem P:(r0)+,x0 |
56 | move x0,P:(r1)+ | 56 | movem x0,P:(r1)+ |
57 | _copy movep #>4,X:<<M_HCR | 57 | _copy movep #4,X:<<M_HCR |
58 | movep #>$c00,X:<<M_IPR | 58 | movep #$c00,X:<<M_IPR |
59 | and #<$fe,mr | 59 | and #<$fe,mr |
60 | jmp upload | 60 | jmp upload |
61 | 61 | ||
62 | real | 62 | real |
63 | org P:$7ea9 | 63 | org P:$7ea9 |
64 | upload | 64 | upload |
65 | movep #>1,X:<<M_PBC | 65 | movep #1,X:<<M_PBC |
66 | movep #>0,X:<<M_BCR | 66 | movep #0,X:<<M_BCR |
67 | 67 | ||
68 | next jclr #0,X:<<M_HSR,* | 68 | next jclr #0,X:<<M_HSR,* |
69 | movep X:<<M_HRX,A | 69 | movep X:<<M_HRX,A |
@@ -81,18 +81,18 @@ _get_length | |||
81 | cmp x0,A | 81 | cmp x0,A |
82 | jeq load_Y | 82 | jeq load_Y |
83 | 83 | ||
84 | load_P do y0,_load | 84 | load_P do y0,_load_P |
85 | jclr #0,X:<<M_HSR,* | 85 | jclr #0,X:<<M_HSR,* |
86 | movep X:<<M_HRX,P:(r0)+ | 86 | movep X:<<M_HRX,P:(r0)+ |
87 | _load jmp next | 87 | _load_P jmp next |
88 | load_X do y0,_load | 88 | load_X do y0,_load_X |
89 | jclr #0,X:<<M_HSR,* | 89 | jclr #0,X:<<M_HSR,* |
90 | movep X:<<M_HRX,X:(r0)+ | 90 | movep X:<<M_HRX,X:(r0)+ |
91 | _load jmp next | 91 | _load_X jmp next |
92 | load_Y do y0,_load | 92 | load_Y do y0,_load_Y |
93 | jclr #0,X:<<M_HSR,* | 93 | jclr #0,X:<<M_HSR,* |
94 | movep X:<<M_HRX,Y:(r0)+ | 94 | movep X:<<M_HRX,Y:(r0)+ |
95 | _load jmp next | 95 | _load_Y jmp next |
96 | 96 | ||
97 | upload_end | 97 | upload_end |
98 | end | 98 | end |
diff --git a/firmware/ihex2fw.c b/firmware/ihex2fw.c deleted file mode 100644 index 8f7fdaa9e010..000000000000 --- a/firmware/ihex2fw.c +++ /dev/null | |||
@@ -1,268 +0,0 @@ | |||
1 | /* | ||
2 | * Parser/loader for IHEX formatted data. | ||
3 | * | ||
4 | * Copyright © 2008 David Woodhouse <dwmw2@infradead.org> | ||
5 | * Copyright © 2005 Jan Harkes <jaharkes@cs.cmu.edu> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | */ | ||
11 | |||
12 | #include <stdint.h> | ||
13 | #include <arpa/inet.h> | ||
14 | #include <stdio.h> | ||
15 | #include <errno.h> | ||
16 | #include <sys/types.h> | ||
17 | #include <sys/stat.h> | ||
18 | #include <sys/mman.h> | ||
19 | #include <fcntl.h> | ||
20 | #include <string.h> | ||
21 | #include <unistd.h> | ||
22 | #include <stdlib.h> | ||
23 | #define _GNU_SOURCE | ||
24 | #include <getopt.h> | ||
25 | |||
26 | |||
27 | struct ihex_binrec { | ||
28 | struct ihex_binrec *next; /* not part of the real data structure */ | ||
29 | uint32_t addr; | ||
30 | uint16_t len; | ||
31 | uint8_t data[]; | ||
32 | }; | ||
33 | |||
34 | /** | ||
35 | * nybble/hex are little helpers to parse hexadecimal numbers to a byte value | ||
36 | **/ | ||
37 | static uint8_t nybble(const uint8_t n) | ||
38 | { | ||
39 | if (n >= '0' && n <= '9') return n - '0'; | ||
40 | else if (n >= 'A' && n <= 'F') return n - ('A' - 10); | ||
41 | else if (n >= 'a' && n <= 'f') return n - ('a' - 10); | ||
42 | return 0; | ||
43 | } | ||
44 | |||
45 | static uint8_t hex(const uint8_t *data, uint8_t *crc) | ||
46 | { | ||
47 | uint8_t val = (nybble(data[0]) << 4) | nybble(data[1]); | ||
48 | *crc += val; | ||
49 | return val; | ||
50 | } | ||
51 | |||
52 | static int process_ihex(uint8_t *data, ssize_t size); | ||
53 | static void file_record(struct ihex_binrec *record); | ||
54 | static int output_records(int outfd); | ||
55 | |||
56 | static int sort_records = 0; | ||
57 | static int wide_records = 0; | ||
58 | |||
59 | int usage(void) | ||
60 | { | ||
61 | fprintf(stderr, "ihex2fw: Convert ihex files into binary " | ||
62 | "representation for use by Linux kernel\n"); | ||
63 | fprintf(stderr, "usage: ihex2fw [<options>] <src.HEX> <dst.fw>\n"); | ||
64 | fprintf(stderr, " -w: wide records (16-bit length)\n"); | ||
65 | fprintf(stderr, " -s: sort records by address\n"); | ||
66 | return 1; | ||
67 | } | ||
68 | |||
69 | int main(int argc, char **argv) | ||
70 | { | ||
71 | int infd, outfd; | ||
72 | struct stat st; | ||
73 | uint8_t *data; | ||
74 | int opt; | ||
75 | |||
76 | while ((opt = getopt(argc, argv, "ws")) != -1) { | ||
77 | switch (opt) { | ||
78 | case 'w': | ||
79 | wide_records = 1; | ||
80 | break; | ||
81 | case 's': | ||
82 | sort_records = 1; | ||
83 | break; | ||
84 | default: | ||
85 | return usage(); | ||
86 | } | ||
87 | } | ||
88 | |||
89 | if (optind + 2 != argc) | ||
90 | return usage(); | ||
91 | |||
92 | if (!strcmp(argv[optind], "-")) | ||
93 | infd = 0; | ||
94 | else | ||
95 | infd = open(argv[optind], O_RDONLY); | ||
96 | if (infd == -1) { | ||
97 | fprintf(stderr, "Failed to open source file: %s", | ||
98 | strerror(errno)); | ||
99 | return usage(); | ||
100 | } | ||
101 | if (fstat(infd, &st)) { | ||
102 | perror("stat"); | ||
103 | return 1; | ||
104 | } | ||
105 | data = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, infd, 0); | ||
106 | if (data == MAP_FAILED) { | ||
107 | perror("mmap"); | ||
108 | return 1; | ||
109 | } | ||
110 | |||
111 | if (!strcmp(argv[optind+1], "-")) | ||
112 | outfd = 1; | ||
113 | else | ||
114 | outfd = open(argv[optind+1], O_TRUNC|O_CREAT|O_WRONLY, 0644); | ||
115 | if (outfd == -1) { | ||
116 | fprintf(stderr, "Failed to open destination file: %s", | ||
117 | strerror(errno)); | ||
118 | return usage(); | ||
119 | } | ||
120 | if (process_ihex(data, st.st_size)) | ||
121 | return 1; | ||
122 | |||
123 | output_records(outfd); | ||
124 | return 0; | ||
125 | } | ||
126 | |||
127 | static int process_ihex(uint8_t *data, ssize_t size) | ||
128 | { | ||
129 | struct ihex_binrec *record; | ||
130 | uint32_t offset = 0; | ||
131 | uint8_t type, crc = 0, crcbyte = 0; | ||
132 | int i, j; | ||
133 | int line = 1; | ||
134 | int len; | ||
135 | |||
136 | i = 0; | ||
137 | next_record: | ||
138 | /* search for the start of record character */ | ||
139 | while (i < size) { | ||
140 | if (data[i] == '\n') line++; | ||
141 | if (data[i++] == ':') break; | ||
142 | } | ||
143 | |||
144 | /* Minimum record length would be about 10 characters */ | ||
145 | if (i + 10 > size) { | ||
146 | fprintf(stderr, "Can't find valid record at line %d\n", line); | ||
147 | return -EINVAL; | ||
148 | } | ||
149 | |||
150 | len = hex(data + i, &crc); i += 2; | ||
151 | if (wide_records) { | ||
152 | len <<= 8; | ||
153 | len += hex(data + i, &crc); i += 2; | ||
154 | } | ||
155 | record = malloc((sizeof (*record) + len + 3) & ~3); | ||
156 | if (!record) { | ||
157 | fprintf(stderr, "out of memory for records\n"); | ||
158 | return -ENOMEM; | ||
159 | } | ||
160 | memset(record, 0, (sizeof(*record) + len + 3) & ~3); | ||
161 | record->len = len; | ||
162 | |||
163 | /* now check if we have enough data to read everything */ | ||
164 | if (i + 8 + (record->len * 2) > size) { | ||
165 | fprintf(stderr, "Not enough data to read complete record at line %d\n", | ||
166 | line); | ||
167 | return -EINVAL; | ||
168 | } | ||
169 | |||
170 | record->addr = hex(data + i, &crc) << 8; i += 2; | ||
171 | record->addr |= hex(data + i, &crc); i += 2; | ||
172 | type = hex(data + i, &crc); i += 2; | ||
173 | |||
174 | for (j = 0; j < record->len; j++, i += 2) | ||
175 | record->data[j] = hex(data + i, &crc); | ||
176 | |||
177 | /* check CRC */ | ||
178 | crcbyte = hex(data + i, &crc); i += 2; | ||
179 | if (crc != 0) { | ||
180 | fprintf(stderr, "CRC failure at line %d: got 0x%X, expected 0x%X\n", | ||
181 | line, crcbyte, (unsigned char)(crcbyte-crc)); | ||
182 | return -EINVAL; | ||
183 | } | ||
184 | |||
185 | /* Done reading the record */ | ||
186 | switch (type) { | ||
187 | case 0: | ||
188 | /* old style EOF record? */ | ||
189 | if (!record->len) | ||
190 | break; | ||
191 | |||
192 | record->addr += offset; | ||
193 | file_record(record); | ||
194 | goto next_record; | ||
195 | |||
196 | case 1: /* End-Of-File Record */ | ||
197 | if (record->addr || record->len) { | ||
198 | fprintf(stderr, "Bad EOF record (type 01) format at line %d", | ||
199 | line); | ||
200 | return -EINVAL; | ||
201 | } | ||
202 | break; | ||
203 | |||
204 | case 2: /* Extended Segment Address Record (HEX86) */ | ||
205 | case 4: /* Extended Linear Address Record (HEX386) */ | ||
206 | if (record->addr || record->len != 2) { | ||
207 | fprintf(stderr, "Bad HEX86/HEX386 record (type %02X) at line %d\n", | ||
208 | type, line); | ||
209 | return -EINVAL; | ||
210 | } | ||
211 | |||
212 | /* We shouldn't really be using the offset for HEX86 because | ||
213 | * the wraparound case is specified quite differently. */ | ||
214 | offset = record->data[0] << 8 | record->data[1]; | ||
215 | offset <<= (type == 2 ? 4 : 16); | ||
216 | goto next_record; | ||
217 | |||
218 | case 3: /* Start Segment Address Record */ | ||
219 | case 5: /* Start Linear Address Record */ | ||
220 | if (record->addr || record->len != 4) { | ||
221 | fprintf(stderr, "Bad Start Address record (type %02X) at line %d\n", | ||
222 | type, line); | ||
223 | return -EINVAL; | ||
224 | } | ||
225 | |||
226 | /* These records contain the CS/IP or EIP where execution | ||
227 | * starts. Don't really know what to do with them. */ | ||
228 | goto next_record; | ||
229 | |||
230 | default: | ||
231 | fprintf(stderr, "Unknown record (type %02X)\n", type); | ||
232 | return -EINVAL; | ||
233 | } | ||
234 | |||
235 | return 0; | ||
236 | } | ||
237 | |||
238 | static struct ihex_binrec *records; | ||
239 | |||
240 | static void file_record(struct ihex_binrec *record) | ||
241 | { | ||
242 | struct ihex_binrec **p = &records; | ||
243 | |||
244 | while ((*p) && (!sort_records || (*p)->addr < record->addr)) | ||
245 | p = &((*p)->next); | ||
246 | |||
247 | record->next = *p; | ||
248 | *p = record; | ||
249 | } | ||
250 | |||
251 | static int output_records(int outfd) | ||
252 | { | ||
253 | unsigned char zeroes[6] = {0, 0, 0, 0, 0, 0}; | ||
254 | struct ihex_binrec *p = records; | ||
255 | |||
256 | while (p) { | ||
257 | uint16_t writelen = (p->len + 9) & ~3; | ||
258 | |||
259 | p->addr = htonl(p->addr); | ||
260 | p->len = htons(p->len); | ||
261 | write(outfd, &p->addr, writelen); | ||
262 | p = p->next; | ||
263 | } | ||
264 | /* EOF record is zero length, since we don't bother to represent | ||
265 | the type field in the binary version */ | ||
266 | write(outfd, zeroes, 6); | ||
267 | return 0; | ||
268 | } | ||