FreeCalypso > hg > freecalypso-tools
diff target-utils/pln-ppb-test/program.c @ 989:a5bff8104b45
pln-ppb-test: implement program operation
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 03 Dec 2023 00:16:17 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/pln-ppb-test/program.c Sun Dec 03 00:16:17 2023 +0000 @@ -0,0 +1,37 @@ +/* + * program command for special modes + */ + +#include <sys/types.h> +#include "types.h" + +void +cmd_program(argbulk) + char *argbulk; +{ + char *argv[3]; + u_long addr, pdata; + u16 buf[256]; + int i; + + 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 (addr & 1) { + printf("ERROR: unaligned address\n"); + return; + } + if (parse_hexarg(argv[1], 4, &pdata) < 0) { + printf("ERROR: arg2 must be a valid 16-bit hex value\n"); + return; + } + *(volatile u16 *)addr = 0xA0; + *(volatile u16 *)addr = pdata; + for (i = 0; i < 256; i++) + buf[i] = *(volatile u16 *)addr; + for (i = 0; i < 256; i++) + printf("%04X%c", buf[i], (i & 15) == 15 ? '\n' : ' '); +}