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annotate cos/kernel/kernel.c @ 29:7e3bdcb391dc

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Added get_page function to mm
author windel
date Thu, 29 Dec 2011 19:34:01 +0100
parents 47b7df514243
children 88590c42320f
rev   line source
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1 #include "kernel.h"
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3 static void testMalloc()
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4 {
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5 char *a, *b;
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6
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7 printf("Testing malloc\n");
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8 a = kmalloc(100);
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9 printf("Got a at %x\n", a);
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10 a[0] = 'A';
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11 b = kmalloc(22);
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12 printf("Got b at %x\n", b);
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13 b[0] = 'B';
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14 kfree(a);
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15 }
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17 // A test program that prints 'Hoi' to the screen:
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18 unsigned char hello_program[] = {0x55, 0x48, 0x89, 0xe5, 0x48, 0x83, 0xec, 0x10, 0x48, 0xc7, 0x45, 0xf8, 0x0, 0x80, 0xb, 0x0, 0x48, 0x8b, 0x45, 0xf8, 0xc6, 0x0, 0x48, 0x48, 0x8b, 0x45, 0xf8, 0x48, 0x83, 0xc0, 0x2, 0xc6, 0x0, 0x6f, 0x48, 0x8b, 0x45, 0xf8, 0x48, 0x83, 0xc0, 0x4, 0xc6, 0x0, 0x69, 0xeb, 0xfe, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x7a, 0x52, 0x0, 0x1, 0x78, 0x10, 0x1, 0x1b, 0xc, 0x7, 0x8, 0x90, 0x1, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0xb0, 0xff, 0xff, 0xff, 0x2f, 0x0, 0x0, 0x0, 0x0, 0x41, 0xe, 0x10, 0x86, 0x2, 0x43, 0xd, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
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20 /* This routine initializes the kernel.
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21 * We are left here in 64-bit long mode with the first 6 MB identity mapped.
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22 * */
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23 void kmain()
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24 {
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25 init_screen();
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26 setupIDT();
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27 // init_heap();
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29 // Assume first 16MB:
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30 // TODO: get size from grub
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31 init_memory(0x1000000);
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32
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33 //new_task(hello_program);
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34
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35 // TODO: make below a user space program!
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36 printf("Welcome!\n");
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38 while (1==1)
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39 {
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40 char buffer[70];
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41 printf(">");
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42 getline(buffer, 70);
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43 // TODO: interpret this line with python :)
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44 printf("\n");
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45 if (buffer[0] == 'x')
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46 {
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47 printf("System time in ms: %d\n", getTimeMS());
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48 }
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49 if (buffer[0] == 't')
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50 {
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51 testMalloc();
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52 }
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53 if ( strncmp(buffer, "help", 4))
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54 {
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55 printf("Help\n Try one of these commands:\n");
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56 printf(" x: print system time in ms\n");
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57 printf(" r: reboot\n");
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58 printf(" t: test\n");
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59 printf(" b: break\n");
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60 }
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61 if (strncmp(buffer, "r", 1))
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62 {
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63 reboot();
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64 }
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65 if (strncmp(buffer, "b", 1))
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66 {
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67 magicBochsBreak();
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68 }
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69 }
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70 }
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