sbosse/basekernel
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Mon 9 Dec 20:40:44 CET 2024

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sbosse 2024-12-09 20:42:57 +01:00
parent 57ef0f68ee
commit 7f09f23871
1 changed files with 37 additions and 7 deletions
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40
kernel/main.c
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@ -3,7 +3,7 @@ Copyright (C) 2015-2019 The University of Notre Dame
This software is distributed under the GNU General Public License.
See the file LICENSE for details.
*/
#include "kernel/config.h"
#include "console.h"
#include "page.h"
#include "process.h"
@ -38,7 +38,7 @@ int kernel_main()
{
struct console *console = console_create_root();
console_addref(console);
printf("Basekernel Version %d.%d %s\n",KERNEL_MAJOR,KERNEL_MINOR,__DATE__);
printf("video: %d x %d (addr %x)\n", video_xres, video_yres, video_buffer);
printf("kernel: %d bytes\n", kernel_size);
@ -47,6 +47,7 @@ int kernel_main()
interrupt_init();
mouse_init();
keyboard_init();
serial_init();
rtc_init();
clock_init();
process_init();
@ -61,12 +62,41 @@ int kernel_main()
current->ktable[KNO_STDDIR] = 0; // No current dir until something is mounted.
printf("\n");
printf("kernel initialization is done.\n");
#define KSHELL_SERIAL
#ifndef KSHELL_SERIAL
kshell_launch();
// never reached!
#else
// main IO loop, from kshell_launch
char line[100];
int lineIndex=0;
while(1) {
console_putchar(console,console_getchar(console));
}
// console_putchar(console,console_getchar(console));
char c;
while ((c = serial_read_nonblock(0))<0) clock_wait(10);
console_putchar(console,c);
if (c=='\n') { // End of line
const char *argv[100];
int argc;
argc = 0;
line[lineIndex]=0;
argv[argc] = strtok(line, " ");
// split line in tokens separated by spaces
while(argv[argc]) {
argc++;
argv[argc] = strtok(0, " ");
}
if(argc > 0) {
kshell_execute(argc, argv);
}
lineIndex=0;
} else line[lineIndex++]=c; // collect char
}
#endif
// never reached
return 0;
}