Mercurial > lcfOS
view cos/kernel/kernel.c @ 31:88590c42320f
Changed interrupt handler
author | windel |
---|---|
date | Tue, 10 Jan 2012 20:40:35 +0100 |
parents | 7e3bdcb391dc |
children | 3a6a9b929db0 |
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line source
#include "kernel.h" static void testMalloc() { char *a, *b; printf("Testing malloc\n"); a = kmalloc(100); printf("Got a at %x\n", a); a[0] = 'A'; b = kmalloc(22); printf("Got b at %x\n", b); b[0] = 'B'; kfree(a); } /* This routine initializes the kernel. * We are left here in 64-bit long mode with the first 6 MB identity mapped. * */ void kmain() { init_screen(); setupIDT(); // init_heap(); // Assume first 16MB: // TODO: get size from grub init_memory(0x1000000); // TODO: make below a user space program! printf("Welcome!\n"); while (1==1) { char buffer[70]; printf(">"); getline(buffer, 70); // TODO: interpret this line with python :) printf("\n"); if (buffer[0] == 'x') { printf("System time in ms: %d\n", getTimeMS()); } if (buffer[0] == 't') { testMalloc(); } if ( strncmp(buffer, "help", 4)) { printf("Help\n Try one of these commands:\n"); printf(" x: print system time in ms\n"); printf(" r: reboot\n"); printf(" t: test\n"); printf(" b: break\n"); } if (strncmp(buffer, "r", 1)) { reboot(); } if (strncmp(buffer, "b", 1)) { magicBochsBreak(); } } }