linux-2.6.9-qemu-fast.patch

   1 --- linux-2.6.9/arch/i386/Kconfig       2004-10-18 23:53:22.000000000 +0200
   2 +++ linux-2.6.9-qemu/arch/i386/Kconfig  2004-12-07 21:56:49.000000000 +0100
   3 @@ -337,6 +337,14 @@ config X86_GENERIC
   4
   5  endif
   6
   7 +config QEMU
   8 +       bool "Kernel to run under QEMU"
   9 +       depends on EXPERIMENTAL
  10 +       help
  11 +         Select this if you want to boot the kernel inside qemu-fast,
  12 +         the non-mmu version of the x86 emulator.  See
  13 +         <http://fabrice.bellard.free.fr/qemu/>.  Say N.
  14 +
  15  #
  16  # Define implied options from the CPU selection here
  17  #
  18 --- linux-2.6.9/include/asm-i386/fixmap.h       2004-10-18 23:53:08.000000000 +0200
  19 +++ linux-2.6.9-qemu/include/asm-i386/fixmap.h  2004-12-07 23:16:11.000000000 +0100
  20 @@ -20,7 +20,11 @@
  21   * Leave one empty page between vmalloc'ed areas and
  22   * the start of the fixmap.
  23   */
  24 +#ifdef CONFIG_QEMU
  25 +#define __FIXADDR_TOP   0xa7fff000
  26 +#else
  27  #define __FIXADDR_TOP  0xfffff000
  28 +#endif
  29
  30  #ifndef __ASSEMBLY__
  31  #include <linux/kernel.h>
  32 --- linux-2.6.9/include/asm-i386/page.h 2004-10-18 23:53:22.000000000 +0200
  33 +++ linux-2.6.9-qemu/include/asm-i386/page.h    2004-12-07 21:56:49.000000000 +0100
  34 @@ -121,12 +121,19 @@ extern int sysctl_legacy_va_layout;
  35  #endif /* __ASSEMBLY__ */
  36
  37  #ifdef __ASSEMBLY__
  38 +#ifdef CONFIG_QEMU
  39 +#define __PAGE_OFFSET          (0x90000000)
  40 +#else
  41  #define __PAGE_OFFSET          (0xC0000000)
  42 +#endif /* QEMU */
  43 +#else
  44 +#ifdef CONFIG_QEMU
  45 +#define __PAGE_OFFSET          (0x90000000UL)
  46  #else
  47  #define __PAGE_OFFSET          (0xC0000000UL)
  48 +#endif /* QEMU */
  49  #endif
  50
  51 -
  52  #define PAGE_OFFSET            ((unsigned long)__PAGE_OFFSET)
  53  #define VMALLOC_RESERVE                ((unsigned long)__VMALLOC_RESERVE)
  54  #define MAXMEM                 (-__PAGE_OFFSET-__VMALLOC_RESERVE)
  55 --- linux-2.6.9/include/asm-i386/param.h        2004-10-18 23:53:24.000000000 +0200
  56 +++ linux-2.6.9-qemu/include/asm-i386/param.h   2004-12-07 21:56:49.000000000 +0100
  57 @@ -2,7 +2,12 @@
  58  #define _ASMi386_PARAM_H
  59
  60  #ifdef __KERNEL__
  61 -# define HZ            1000            /* Internal kernel timer frequency */
  62 +# include <linux/config.h>
  63 +# ifdef CONFIG_QEMU
  64 +#  define HZ           100
  65 +# else
  66 +#  define HZ           1000            /* Internal kernel timer frequency */
  67 +# endif
  68  # define USER_HZ       100             /* .. some user interfaces are in "ticks" */
  69  # define CLOCKS_PER_SEC                (USER_HZ)       /* like times() */
  70  #endif