X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=rpikern;a=blobdiff_plain;f=src%2Fmain.c;h=18ed725e308ac4b85934e04f83fa4a5286ccd98a;hp=97fcda79efe429e79b40482fde592f3080f2d4a1;hb=574147e84aafb61db3cf8b595d2a12ce5ba160de;hpb=993155fee2327f1f3cda285c9548bbb09688a3f3

diff --git a/src/main.c b/src/main.c
index 97fcda7..18ed725 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,39 +1,118 @@
 #include "config.h"
 
+#include <stdio.h>
 #include <string.h>
 #include <stdint.h>
+#include <ctype.h>
 #include "asm.h"
+#include "rpi.h"
+#include "contty.h"
 #include "serial.h"
+#include "timer.h"
+#include "video.h"
+#include "intr.h"
 
 void dbgled(int x);
-void exit(int x);
+
+void reboot(void);
+
+static void cmdrun(char *cmd);
 
 int main(void)
 {
-	disable_intr();
+	int lastnl = 0;
+	static char cmdbuf[256];
+	static int cmdend;
+
+	rpi_init();
+	/*init_serial(115200); done in rpi_init now for early debugging */
+	con_init();
+
+	printf("Detected raspberry pi %d, I/O base: %x\n", rpi_model, rpi_iobase);
+	printf("Main RAM base: %x, size: %u bytes\n", rpi_mem_base, rpi_mem_size);
+	printf("Video RAM base: %x, size: %u bytes\n", rpi_vmem_base, rpi_vmem_size);
+
+	timer_init();
+	video_init();
 
-	dbgled(2);
+	enable_intr();
 
-	init_serial(115200);
-	ser_printstr("starting rpkern\n");
+	printf("Going interactive\n");
 
 	for(;;) {
-		int c = ser_getchar();
-		if(c == -1) {
-			ser_printstr("error!\n");
-		} else {
-			ser_printstr("got: ");
-			ser_putchar(c);
-			ser_putchar('\r');
-			ser_putchar('\n');
+		while(ser_pending()) {
+			int c = getchar();
+
+			switch(c) {
+			case '\r':
+			case '\n':
+				if(!lastnl) {
+					printf("\r\n");
+					cmdbuf[cmdend] = 0;
+					cmdend = 0;
+					cmdrun(cmdbuf);
+				}
+				lastnl = 1;
+				break;
+
+			case -1:
+				lastnl = 0;
+				printf("error!\n");
+				break;
+
+			default:
+				lastnl = 0;
+				putchar(c);
+				if(cmdend < sizeof cmdbuf) {
+					cmdbuf[cmdend++] = c;
+				}
+			}
 		}
+
+		/*video_update(1);*/
 	}
 
 	return 0;
 }
 
-void panic(void)
+void reboot(void)
 {
-	dbgled(1);
-	exit(0);
+	printf("Rebooting ...\n");
+	rpi_reboot();
+}
+
+static void cmdrun(char *cmd)
+{
+	static int cur_x, cur_y;
+	char *ptr, *args;
+
+	while(*cmd && isspace(*cmd)) cmd++;
+	ptr = cmd;
+	while(*ptr && !isspace(*ptr)) ptr++;
+	*ptr = 0;
+	args = ptr + 1;
+
+	if(strcmp(cmd, "reboot") == 0) {
+		reboot();
+
+	} else if(strcmp(cmd, "down") == 0) {
+		printf("scroll down\n");
+		cur_y += 10;
+		video_scroll(cur_x, cur_y);
+
+	} else if(strcmp(cmd, "up") == 0) {
+		printf("scroll up\n");
+		cur_y -= 10;
+		video_scroll(cur_x, cur_y);
+
+	} else if(strcmp(cmd, "ticks") == 0) {
+		printf("%lu\n", num_ticks);
+
+	} else if(strcmp(cmd, "help") == 0) {
+		printf("help not implemented yet\n");
+	} else if(strcmp(cmd, "ver") == 0) {
+		printf("rpikern version 0.0\n");
+	} else {
+		printf("Unknown command: %s\n", cmd);
+	}
 }