c83d9dad1c
specifying whether only the exact supplied address is acceptable. If
false, the address is considered a hint only. It will be picked, if
available, otherwise a greater address is tried to be acquired, and
as last resort any address. This feature is only implemented for PPC.
It is needed since the preferred kernel text base address 0x80000000
might not be available (and actually isn't on my Mac mini).
* Fixed a bug in the PPC memory management code:
is_{virtual,physical}_allocated() were checking whether the given
range was completely contained by an existing range instead of
checking for intersection. As a consequence we could (and did) allocate
a range intersecting with already allocated ranges. The kernel segment
thus overwrote OF memory for instance.
* The ELF loader makes sure that it got both text and data segment of
the image to be loaded.
The PPC boot loader successfully loads kernel and modules now. Next
comes the hard part, I'm afraid.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15708 a95241bf-73f2-0310-859d-f6bbb57e9c96
75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
/*
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* Copyright 2003-2005, 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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#ifndef KERNEL_BOOT_PLATFORM_H
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#define KERNEL_BOOT_PLATFORM_H
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#include <SupportDefs.h>
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#include <boot/vfs.h>
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struct stage2_args;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* debug functions */
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extern void panic(const char *format, ...);
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extern void dprintf(const char *format, ...);
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/* heap functions */
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extern void platform_release_heap(struct stage2_args *args, void *base);
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extern status_t platform_init_heap(struct stage2_args *args, void **_base, void **_top);
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/* MMU/memory functions */
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extern status_t platform_allocate_region(void **_virtualAddress, size_t size,
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uint8 protection, bool exactAddress);
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extern status_t platform_free_region(void *address, size_t size);
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/* boot options */
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#define BOOT_OPTION_MENU 1
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#define BOOT_OPTION_DEBUG_OUTPUT 2
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extern uint32 platform_boot_options(void);
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/* misc functions */
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extern status_t platform_init_video(void);
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extern void platform_switch_to_logo(void);
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extern void platform_switch_to_text_mode(void);
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extern void platform_start_kernel(void);
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extern void platform_exit(void);
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#ifdef __cplusplus
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}
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// these functions have to be implemented in C++
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/* device functions */
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class Node;
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namespace boot {
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class Partition;
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}
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extern status_t platform_get_boot_device(struct stage2_args *args, Node **_device);
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extern status_t platform_add_block_devices(struct stage2_args *args, NodeList *devicesList);
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extern status_t platform_get_boot_partition(struct stage2_args *args, Node *bootDevice,
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NodeList *partitions, boot::Partition **_partition);
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extern status_t platform_register_boot_device(Node *device);
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/* menu functions */
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class Menu;
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class MenuItem;
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extern void platform_add_menus(Menu *menu);
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extern void platform_update_menu_item(Menu *menu, MenuItem *item);
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extern void platform_run_menu(Menu *menu);
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#endif
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#endif /* KERNEL_BOOT_PLATFORM_H */
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