view target-utils/libcommon/cmd_w8.c @ 562:e9d3fd3389e6
doc/Loadtools-usage: updated for -h gen8 (GTM900 & Tango)
author |
Mychaela Falconia <falcon@freecalypso.org> |
date |
Thu, 30 Jan 2020 07:16:33 +0000 (2020-01-30) |
parents |
e7502631a0f9 |
children |
|
line source
/*
* w8 hexaddr xx -- write an 8-bit register or memory location
*/
#include <sys/types.h>
#include "types.h"
void
cmd_w8(argbulk)
char *argbulk;
{
char *argv[3];
u_long addr, data;
if (parse_args(argbulk, 2, 2, argv, 0) < 0)
return;
if (parse_hexarg(argv[0], 8, &addr) < 0) {
printf("ERROR: arg1 must be a valid 32-bit hex address\n");
return;
}
if (parse_hexarg(argv[1], 2, &data) < 0) {
printf("ERROR: arg2 must be a valid 8-bit hex value\n");
return;
}
*(volatile u8 *)addr = data;
}