/[gxemul]/trunk/src/machines/machine_qemu.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 43 by dpavlin, Mon Oct 8 16:22:32 2007 UTC revision 44 by dpavlin, Mon Oct 8 16:22:56 2007 UTC
# Line 25  Line 25 
25   *  SUCH DAMAGE.   *  SUCH DAMAGE.
26   *     *  
27   *   *
28   *  $Id: machine_qemu.c,v 1.13 2007/06/15 18:08:10 debug Exp $   *  $Id: machine_qemu.c,v 1.14 2007/06/20 18:59:16 debug Exp $
29   *   *
30   *  COMMENT: Machine mimicing QEMU's default MIPS emulation mode   *  COMMENT: Machine mimicing QEMU's default MIPS emulation mode
31   *   *
32   *  This file contains semi-bogus machine descriptions for experimental   *  See e.g. http://fabrice.bellard.free.fr/qemu/mips-test-0.2.tar.gz
  *  machines, mimicing those emulated by Fabrice Bellard's QEMU.  
  *  
  *  See e.g. http://fabrice.bellard.free.fr/qemu/mips-test-0.1.tar.gz  
  *  (available from http://fabrice.bellard.free.fr/qemu/download.html).  
33   */   */
34    
35  #include <stdio.h>  #include <stdio.h>
# Line 49  Line 45 
45  #include "misc.h"  #include "misc.h"
46    
47    
 /*****************************************************************************/  
   
   
 MACHINE_SETUP(qemu_arm)  
 {  
         /*  
          *  The ARM machine in QEMU isn't really a bogus machine, I think.  
          *  It is supposed to emulate a specific ARM board. But for now,  
          *  treat it as "QEMU ARM".  
          */  
   
         machine->machine_name = "QEMU ARM";  
         cpu->byte_order = EMUL_LITTLE_ENDIAN;  
   
         device_add(machine, "ns16550 addr=0x16000000");  
   
         if (!machine->prom_emulation)  
                 return;  
   
         /*  
          *  QEMU's ARM emulation mode uses the following hardcoded addresses:  
          *  
          *      0x00000100 = kernel boot arguments  
          *      0x00010000 = kernel load address  
          *      0x00800000 = initrd load address  
          *  
          *  QEMU's arm_boot.c puts these values at 0x100:  
          *  
          *  TODO: Yuck. Don't hardcode these.  
          */  
   
         store_32bit_word(cpu, 0x100, 5);  
         store_32bit_word(cpu, 0x104, 0x54410001);  
         store_32bit_word(cpu, 0x108, 1);  
         store_32bit_word(cpu, 0x10c, 0x1000);  
         store_32bit_word(cpu, 0x110, 0);  
         store_32bit_word(cpu, 0x114, 4);  
         store_32bit_word(cpu, 0x118, 0x54410002);  
         store_32bit_word(cpu, 0x11c, machine->physical_ram_in_mb * 1048576);  
         store_32bit_word(cpu, 0x120, 0);  
         /*  TODO: 0x54410009 for the kernel command line args  */  
   
         /*  
          *  board ids:  
          *      0x25e for "AB", 0x183 for "PB".  
          */  
   
         cpu->cd.arm.r[0] = 0x5e;        /*  low byte of board id  */  
         cpu->cd.arm.r[1] = 0x02;        /*  high byte of board id  */  
         cpu->cd.arm.r[5] = 0x100;       /*  address of boot args  */  
         cpu->cd.arm.r[6] = 0x10000;     /*  address of loaded kernel  */  
 }  
   
   
 MACHINE_DEFAULT_CPU(qemu_arm)  
 {  
         /*  TODO: ARM926EJ-S  */  
         machine->cpu_name = strdup("ARM922T");  
 }  
   
   
 MACHINE_DEFAULT_RAM(qemu_arm)  
 {  
         machine->physical_ram_in_mb = 64;  
 }  
   
   
 MACHINE_REGISTER(qemu_arm)  
 {  
         MR_DEFAULT(qemu_arm, "QEMU ARM", ARCH_ARM, MACHINE_QEMU_ARM);  
         me->set_default_ram = machine_default_ram_qemu_arm;  
         machine_entry_add_alias(me, "qemu_arm");  
 }  
   
   
 /*****************************************************************************/  
   
   
48  MACHINE_SETUP(qemu_mips)  MACHINE_SETUP(qemu_mips)
49  {  {
50          char tmpstr[300];          char tmpstr[300];
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