28a2172c3f
* The kernel syslog ring buffer is no longer emptied by the syslog sender
thread. Instead we only drop the oldest data from the buffer when we're
writing to it and there's not enough free space in it.
Advantages: We drop old data rather than the most recent data when the buffer
is full. The "syslog" KDL command has more data available now. So the odds
are that kernel syslog messages not written to disk yet are at least still
in the kernel buffer.
* Changed dprintf_no_syslog() semantics: Now it writes to the syslog, but
doesn't notify the syslog sender thread.
boot loader:
* Added the ring_buffer implementation and a dummy user_memcpy().
* bios_x86: Moved the syslog stuff from serial.{cpp,h} to debug.{cpp.h}.
* Moved the debug options from the "Select safe mode options" menu to a new
"Select debug options" menu.
* Added option "Enable debug syslog" to the new menu (ATM available on x86
only). It allocates a 1 MB in-memory buffer for the syslog for this session
in such a way that it can be accessed by the boot loader after a reset.
* Added item "Display syslog from previous session" to the new menu, doing
what its name suggests.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35816 a95241bf-73f2-0310-859d-f6bbb57e9c96
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/*
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* Copyright 2002-2009, Axel Dörfler, axeld@pinc-software.de.
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* Distributed under the terms of the MIT License.
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*
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* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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* Distributed under the terms of the NewOS License.
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*/
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#ifndef KERNEL_BOOT_KERNEL_ARGS_H
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#define KERNEL_BOOT_KERNEL_ARGS_H
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#include <SupportDefs.h>
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#include <boot/elf.h>
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#include <boot/disk_identifier.h>
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#include <boot/driver_settings.h>
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#include <platform_kernel_args.h>
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#include <arch_kernel_args.h>
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#include <util/KMessage.h>
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#define CURRENT_KERNEL_ARGS_VERSION 1
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#define MAX_KERNEL_ARGS_RANGE 20
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// names of common boot_volume fields
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#define BOOT_METHOD "boot method"
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#define BOOT_VOLUME_USER_SELECTED "user selected"
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#define BOOT_VOLUME_BOOTED_FROM_IMAGE "booted from image"
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#define BOOT_VOLUME_PARTITION_OFFSET "partition offset"
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#define BOOT_VOLUME_DISK_IDENTIFIER "disk identifier"
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// boot methods
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enum {
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BOOT_METHOD_HARD_DISK = 0,
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BOOT_METHOD_CD = 1,
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BOOT_METHOD_NET = 2,
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BOOT_METHOD_DEFAULT = BOOT_METHOD_HARD_DISK
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};
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typedef struct kernel_args {
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uint32 kernel_args_size;
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uint32 version;
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struct preloaded_image kernel_image;
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struct preloaded_image *preloaded_images;
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uint32 num_physical_memory_ranges;
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addr_range physical_memory_range[MAX_PHYSICAL_MEMORY_RANGE];
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uint32 num_physical_allocated_ranges;
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addr_range physical_allocated_range[MAX_PHYSICAL_ALLOCATED_RANGE];
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uint32 num_virtual_allocated_ranges;
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addr_range virtual_allocated_range[MAX_VIRTUAL_ALLOCATED_RANGE];
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uint32 num_kernel_args_ranges;
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addr_range kernel_args_range[MAX_KERNEL_ARGS_RANGE];
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uint32 num_cpus;
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addr_range cpu_kstack[MAX_BOOT_CPUS];
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KMessage boot_volume;
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struct driver_settings_file *driver_settings;
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struct {
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addr_range physical_buffer;
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uint32 bytes_per_row;
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uint16 width;
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uint16 height;
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uint8 depth;
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bool enabled;
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} frame_buffer;
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void *vesa_modes;
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uint16 vesa_modes_size;
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uint8 vesa_capabilities;
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void *edid_info;
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void *debug_output;
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uint32 debug_size;
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bool keep_debug_output_buffer;
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platform_kernel_args platform_args;
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arch_kernel_args arch_args;
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// bootsplash data
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uint8 *boot_splash;
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} kernel_args;
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#endif /* KERNEL_BOOT_KERNEL_ARGS_H */
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