Augustin Cavalier
2082e1b86e
The idea is to add a facility that will use less CPU than the loops we currently use. The default implementation just calls spin(), which is rdtsc+pause. This already may save some power compared to what we previously did, which was to re-check serial ports, PS/2, etc. every single loop in the debugger, broken up only by "pause". Change-Id: Ie421adae5c25ad6ae0c266d1d28c2ea7b81ae465 Reviewed-on: https://review.haiku-os.org/c/haiku/+/9603 Tested-by: Commit checker robot <[email protected]> Reviewed-by: waddlesplash <[email protected]>
63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
/*
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* Copyright 2005-2009, Axel Dörfler, [email protected].
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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_ARCH_DEBUG_H
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#define _KERNEL_ARCH_DEBUG_H
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#include <SupportDefs.h>
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#include <arch_debug.h>
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#include <cpu.h>
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struct kernel_args;
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namespace BKernel {
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struct Thread;
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}
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using BKernel::Thread;
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// arch_debug_get_stack_trace() flags
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#define STACK_TRACE_KERNEL 0x01
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#define STACK_TRACE_USER 0x02
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define arch_debug_get_caller() __builtin_return_address(0)
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status_t arch_debug_init(kernel_args *args);
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void arch_debug_stack_trace(void);
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int32 arch_debug_get_stack_trace(addr_t* returnAddresses, int32 maxCount,
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int32 skipIframes, int32 skipFrames, uint32 flags);
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void* arch_debug_get_interrupt_pc(bool* _isSyscall);
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bool arch_debug_contains_call(Thread *thread, const char *symbol,
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addr_t start, addr_t end);
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void arch_debug_save_registers(struct arch_debug_registers* registers);
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void arch_debug_unset_current_thread(void);
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void arch_debug_call_with_fault_handler(cpu_ent* cpu, jmp_buf jumpBuffer,
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void (*function)(void*), void* parameter);
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bool arch_is_debug_variable_defined(const char* variableName);
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status_t arch_set_debug_variable(const char* variableName, uint64 value);
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status_t arch_get_debug_variable(const char* variableName, uint64* value);
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ssize_t arch_debug_gdb_get_registers(char* buffer, size_t bufferSize);
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void arch_debug_snooze(bigtime_t duration);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _KERNEL_ARCH_DEBUG_H */
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