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

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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--- /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' : ' ');
+}