1 /*
2 * Copyright © 2022 Igalia S.L.
3 * SPDX-License-Identifier: MIT
4 */
5
6 #include <stdint.h>
7 #include <stdio.h>
8 #include <string.h>
9
10 #include "io.h"
11 #include "redump.h"
12
13 static void
parse_addr(uint32_t * buf,int sz,unsigned int * len,uint64_t * gpuaddr)14 parse_addr(uint32_t *buf, int sz, unsigned int *len, uint64_t *gpuaddr)
15 {
16 *gpuaddr = buf[0];
17 *len = buf[1];
18 if (sz > 8)
19 *gpuaddr |= ((uint64_t)(buf[2])) << 32;
20 }
21
22 static uint32_t
parse_gpu_id(void * buf)23 parse_gpu_id(void *buf)
24 {
25 return *((unsigned int *)buf);
26 }
27
28 static uint64_t
parse_chip_id(void * buf)29 parse_chip_id(void *buf)
30 {
31 return *((uint64_t *)buf);
32 }
33
34 struct rd_parsed_section
35 {
36 void *buf;
37 enum rd_sect_type type;
38 int sz;
39 int ret;
40 };
41
42 static bool
parse_rd_section(struct io * io,struct rd_parsed_section * section)43 parse_rd_section(struct io *io, struct rd_parsed_section *section)
44 {
45 uint32_t arr[2];
46 int ret;
47
48 ret = io_readn(io, arr, 8);
49 if (ret <= 0)
50 goto end;
51
52 while ((arr[0] == 0xffffffff) && (arr[1] == 0xffffffff)) {
53 ret = io_readn(io, arr, 8);
54 if (ret <= 0)
55 goto end;
56 }
57
58 section->type = arr[0];
59 section->sz = arr[1];
60
61 if (section->sz < 0) {
62 ret = -1;
63 goto end;
64 }
65
66 free(section->buf);
67
68 section->buf = malloc(section->sz + 1);
69 ((char *)section->buf)[section->sz] = '\0';
70 ret = io_readn(io, section->buf, section->sz);
71 if (ret < 0)
72 goto end;
73
74 section->ret = ret;
75 return true;
76
77 end:
78 section->ret = ret;
79 return false;
80 }
81