mirror of
https://review.haiku-os.org/haiku
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cbb88108d5
* Removed atomic operations placeholders for modern ones * Fix chrpscript & hfsmaps location for CDBootImage (haiku-boot-cd target) * add of_blocks & of_blocksize openfirmware call Change-Id: Iaaddc2c566d108976ac5e5e08caea1fc59523e06 Reviewed-on: https://review.haiku-os.org/c/haiku/+/6987 Reviewed-by: waddlesplash <waddlesplash@gmail.com>
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
/*
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* Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
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* Copyright 2019, Adrien Destugues, pulkomandy@pulkomandy.tk
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* Distributed under the terms of the MIT License.
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*/
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#ifndef OPEN_FIRMWARE_H
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#define OPEN_FIRMWARE_H
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#include <SupportDefs.h>
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#define OF_FAILED (-1)
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/* global device tree/properties access */
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extern intptr_t gChosen;
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template<typename AddressType, typename SizeType>
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struct of_region {
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AddressType base;
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SizeType size;
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} _PACKED;
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struct of_arguments {
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const char *name;
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intptr_t num_args;
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intptr_t num_returns;
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intptr_t data[0];
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#ifdef __cplusplus
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intptr_t &Argument(int index) { return data[index]; }
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intptr_t &ReturnValue(int index) { return data[num_args + index]; }
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#endif
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern status_t of_init(intptr_t (*openFirmwareEntry)(void *));
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/* device tree functions */
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extern intptr_t of_finddevice(const char *device);
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extern intptr_t of_child(intptr_t node);
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extern intptr_t of_peer(intptr_t node);
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extern intptr_t of_parent(intptr_t node);
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extern intptr_t of_instance_to_path(uint32_t instance, char *pathBuffer,
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intptr_t bufferSize);
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extern intptr_t of_instance_to_package(uint32_t instance);
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extern intptr_t of_getprop(intptr_t package, const char *property, void *buffer,
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intptr_t bufferSize);
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extern intptr_t of_setprop(intptr_t package, const char *property, const void *buffer,
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intptr_t bufferSize);
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extern intptr_t of_nextprop(intptr_t package, const char *previousProperty,
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char *nextProperty);
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extern intptr_t of_getproplen(intptr_t package, const char *property);
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extern intptr_t of_package_to_path(intptr_t package, char *pathBuffer,
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intptr_t bufferSize);
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/* I/O functions */
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extern intptr_t of_open(const char *nodeName);
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extern void of_close(intptr_t handle);
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extern intptr_t of_read(intptr_t handle, void *buffer, intptr_t bufferSize);
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extern intptr_t of_write(intptr_t handle, const void *buffer, intptr_t bufferSize);
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extern intptr_t of_seek(intptr_t handle, off_t pos);
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extern intptr_t of_blocks(intptr_t handle);
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extern intptr_t of_block_size(intptr_t handle);
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/* memory functions */
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extern intptr_t of_release(void *virtualAddress, intptr_t size);
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extern void *of_claim(void *virtualAddress, intptr_t size, intptr_t align);
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/* misc functions */
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extern intptr_t of_call_client_function(const char *method, intptr_t numArgs,
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intptr_t numReturns, ...);
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extern intptr_t of_interpret(const char *command, intptr_t numArgs,
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intptr_t numReturns, ...);
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extern intptr_t of_call_method(uint32_t handle, const char *method,
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intptr_t numArgs, intptr_t numReturns, ...);
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extern intptr_t of_test(const char *service);
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extern intptr_t of_milliseconds(void);
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extern void of_exit(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* OPEN_FIRMWARE_H */
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