mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-23 19:49:43 +00:00
71 lines
2.1 KiB
Diff
71 lines
2.1 KiB
Diff
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--- linux-2.6.9/arch/i386/Kconfig 2004-10-18 23:53:22.000000000 +0200
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+++ linux-2.6.9-qemu/arch/i386/Kconfig 2004-12-07 21:56:49.000000000 +0100
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@@ -337,6 +337,14 @@ config X86_GENERIC
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endif
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+config QEMU
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+ bool "Kernel to run under QEMU"
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+ depends on EXPERIMENTAL
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+ help
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+ Select this if you want to boot the kernel inside qemu-fast,
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+ the non-mmu version of the x86 emulator. See
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+ <http://fabrice.bellard.free.fr/qemu/>. Say N.
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+
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#
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# Define implied options from the CPU selection here
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#
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--- linux-2.6.9/include/asm-i386/fixmap.h 2004-10-18 23:53:08.000000000 +0200
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+++ linux-2.6.9-qemu/include/asm-i386/fixmap.h 2004-12-07 23:16:11.000000000 +0100
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@@ -20,7 +20,11 @@
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* Leave one empty page between vmalloc'ed areas and
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* the start of the fixmap.
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*/
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+#ifdef CONFIG_QEMU
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+#define __FIXADDR_TOP 0xa7fff000
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+#else
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#define __FIXADDR_TOP 0xfffff000
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+#endif
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#ifndef __ASSEMBLY__
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#include <linux/kernel.h>
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--- linux-2.6.9/include/asm-i386/page.h 2004-10-18 23:53:22.000000000 +0200
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+++ linux-2.6.9-qemu/include/asm-i386/page.h 2004-12-07 21:56:49.000000000 +0100
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@@ -121,12 +121,19 @@ extern int sysctl_legacy_va_layout;
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#endif /* __ASSEMBLY__ */
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#ifdef __ASSEMBLY__
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+#ifdef CONFIG_QEMU
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+#define __PAGE_OFFSET (0x90000000)
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+#else
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#define __PAGE_OFFSET (0xC0000000)
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+#endif /* QEMU */
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+#else
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+#ifdef CONFIG_QEMU
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+#define __PAGE_OFFSET (0x90000000UL)
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#else
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#define __PAGE_OFFSET (0xC0000000UL)
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+#endif /* QEMU */
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#endif
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-
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#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)
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#define VMALLOC_RESERVE ((unsigned long)__VMALLOC_RESERVE)
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#define MAXMEM (-__PAGE_OFFSET-__VMALLOC_RESERVE)
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--- linux-2.6.9/include/asm-i386/param.h 2004-10-18 23:53:24.000000000 +0200
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+++ linux-2.6.9-qemu/include/asm-i386/param.h 2004-12-07 21:56:49.000000000 +0100
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@@ -2,7 +2,12 @@
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#define _ASMi386_PARAM_H
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#ifdef __KERNEL__
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-# define HZ 1000 /* Internal kernel timer frequency */
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+# include <linux/config.h>
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+# ifdef CONFIG_QEMU
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+# define HZ 100
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+# else
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+# define HZ 1000 /* Internal kernel timer frequency */
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+# endif
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# define USER_HZ 100 /* .. some user interfaces are in "ticks" */
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# define CLOCKS_PER_SEC (USER_HZ) /* like times() */
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#endif
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