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comparison gsm-fw/lldbg/cmd_r32.c @ 865:f5affe83ba2d

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lldbg hack (poor girl's substitute for JTAG) implemented
author Space Falcon <falcon@ivan.Harhan.ORG>
date Fri, 15 May 2015 00:02:03 +0000
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864:4fa939eada22 865:f5affe83ba2d
1 /*
2 * r32 hexaddr -- read a 32-bit register or memory location
3 */
4
5 #include <sys/types.h>
6 #include "types.h"
7
8 void
9 lldbg_cmd_r32(argbulk)
10 char *argbulk;
11 {
12 char *argv[2];
13 u_long addr;
14
15 if (lldbg_parse_args(argbulk, 1, 1, argv, 0) < 0)
16 return;
17 if (lldbg_parse_hexarg(argv[0], 8, &addr) < 0) {
18 lldbg_printf("ERROR: argument must be a valid 32-bit hex address\n");
19 return;
20 }
21 if (addr & 3) {
22 lldbg_printf("ERROR: unaligned address\n");
23 return;
24 }
25 lldbg_printf("%08X\n", *(volatile u32 *)addr);
26 }