138 lines
3.7 KiB
C++
138 lines
3.7 KiB
C++
/*
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* Copyright (c) 2011, 2012, 2013, 2014, 2015, 2016 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* sortix/kernel/log.h
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* A system for logging various messages to the kernel log.
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*/
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#ifndef _INCLUDE_SORTIX_KERNEL_LOG_H
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#define _INCLUDE_SORTIX_KERNEL_LOG_H
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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typedef struct multiboot_info multiboot_info_t;
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namespace Sortix {
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class TextBuffer;
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class TextBufferHandle;
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} // namespace Sortix
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namespace Sortix {
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namespace Log {
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extern uint8_t* fallback_framebuffer;
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extern size_t fallback_framebuffer_bpp;
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extern size_t fallback_framebuffer_pitch;
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extern size_t fallback_framebuffer_width;
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extern size_t fallback_framebuffer_height;
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extern TextBufferHandle* device_textbufhandle;
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extern size_t (*device_callback)(void*, const char*, size_t);
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extern size_t (*device_writeraw)(void*, const char*, size_t);
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extern size_t (*device_width)(void*);
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extern size_t (*device_height)(void*);
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extern void (*device_get_cursor)(void*, size_t*, size_t*);
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extern bool (*device_sync)(void*);
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extern void (*device_invalidate)(void*);
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extern void* device_pointer;
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extern bool (*emergency_device_is_impaired)(void*);
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extern bool (*emergency_device_recoup)(void*);
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extern void (*emergency_device_reset)(void*);
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extern size_t (*emergency_device_callback)(void*, const char*, size_t);
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extern size_t (*emergency_device_writeraw)(void*, const char*, size_t);
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extern size_t (*emergency_device_width)(void*);
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extern size_t (*emergency_device_height)(void*);
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extern void (*emergency_device_get_cursor)(void*, size_t*, size_t*);
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extern bool (*emergency_device_sync)(void*);
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extern void* emergency_device_pointer;
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inline void Flush()
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{
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device_callback(device_pointer, NULL, 0);
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}
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inline size_t Width()
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{
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return device_width(device_pointer);
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}
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inline size_t Height()
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{
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return device_height(device_pointer);
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}
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inline void GetCursor(size_t* col, size_t* row)
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{
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return device_get_cursor(device_pointer, col, row);
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}
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inline bool Sync()
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{
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return device_sync(device_pointer);
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}
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inline void Invalidate()
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{
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return device_invalidate(device_pointer);
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}
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inline size_t Print(const char* str)
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{
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return device_callback(device_pointer, str, strlen(str));
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}
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inline size_t PrintData(const void* ptr, size_t size)
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{
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return device_writeraw(device_pointer, (const char*) ptr, size);
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}
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__attribute__((format(printf, 1, 2)))
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inline size_t PrintF(const char* format, ...)
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{
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va_list list;
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va_start(list, format);
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int result = vcbprintf(device_pointer, device_callback, format, list);
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va_end(list);
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if ( result < 0 )
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return SIZE_MAX;
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return (size_t) result;
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}
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__attribute__((format(printf, 1, 0)))
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inline size_t PrintFV(const char* format, va_list list)
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{
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int result = vcbprintf(device_pointer, device_callback, format, list);
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if ( result < 0 )
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return SIZE_MAX;
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return (size_t) result;
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}
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void Init(multiboot_info_t* bootinfo);
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void Center(const char* string);
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void BeginReplace();
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void CancelReplace();
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void FinishReplace(TextBuffer* textbuf);
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} // namespace Log
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} // namespace Sortix
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#endif
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