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comparison target-utils/pln-ppb-test/program.c @ 989:a5bff8104b45

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pln-ppb-test: implement program operation
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 03 Dec 2023 00:16:17 +0000
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988:5a6019ed7e72 989:a5bff8104b45
1 /*
2 * program command for special modes
3 */
4
5 #include <sys/types.h>
6 #include "types.h"
7
8 void
9 cmd_program(argbulk)
10 char *argbulk;
11 {
12 char *argv[3];
13 u_long addr, pdata;
14 u16 buf[256];
15 int i;
16
17 if (parse_args(argbulk, 2, 2, argv, 0) < 0)
18 return;
19 if (parse_hexarg(argv[0], 8, &addr) < 0) {
20 printf("ERROR: arg1 must be a valid 32-bit hex address\n");
21 return;
22 }
23 if (addr & 1) {
24 printf("ERROR: unaligned address\n");
25 return;
26 }
27 if (parse_hexarg(argv[1], 4, &pdata) < 0) {
28 printf("ERROR: arg2 must be a valid 16-bit hex value\n");
29 return;
30 }
31 *(volatile u16 *)addr = 0xA0;
32 *(volatile u16 *)addr = pdata;
33 for (i = 0; i < 256; i++)
34 buf[i] = *(volatile u16 *)addr;
35 for (i = 0; i < 256; i++)
36 printf("%04X%c", buf[i], (i & 15) == 15 ? '\n' : ' ');
37 }