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New debugging capabilities

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While in Bochs, print to the Bochs console
This commit is contained in:
Baptiste Wicht 2016-07-02 14:02:55 +02:00
parent 74122d013e
commit 6beff2c17b
1 changed files with 39 additions and 0 deletions
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39
kernel/include/virtual_debug.hpp Normal file
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//=======================================================================
// Copyright Baptiste Wicht 2013-2014.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//=======================================================================
#ifndef VIRTUAL_DEBUG_H
#define VIRTUAL_DEBUG_H
//TODO Integrate Bochs Parallel debugging
//TODO Integrate Qemu Serial debugging
#include "kernel_utils.hpp"
#define BOCHS_E9 0xE9
inline bool is_bochs_e9(){
auto e9 = in_byte(0xe9);
return e9 == BOCHS_E9;
}
inline void bochs_print_char(char c){
out_byte(BOCHS_E9, c);
}
inline void bochs_print(const char* s){
for(uint64_t i = 0; s[i] != '\0'; ++i){
bochs_print_char(s[i]);
}
}
inline void virtual_debug(const char* s){
if(is_bochs_e9()){
bochs_print(s);
}
}
#endif