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Create a program reading the keyboard

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This commit is contained in:
Baptiste Wicht 2014-01-30 17:36:51 +01:00
parent abb60e4232
commit 45c9d1276f
4 changed files with 51 additions and 1 deletions
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6
Makefile
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@ -29,11 +29,14 @@ programs/longtwo/a.out: force_look
programs/loop/a.out: force_look
cd programs/loop; ${MAKE} a.out
programs/keyboard/a.out: force_look
cd programs/keyboard; ${MAKE} a.out
hdd.img:
dd if=/dev/zero of=hdd.img bs=516096c count=1000
(echo n; echo p; echo 1; echo ""; echo ""; echo t; echo c; echo a; echo 1; echo w;) | sudo fdisk -u -C1000 -S63 -H16 hdd.img
thor.flp: hdd.img bootloader/stage1.bin bootloader/stage2.bin kernel/kernel.bin programs/one/a.out programs/hello/a.out programs/long/a.out programs/loop/a.out programs/longone/a.out programs/longtwo/a.out
thor.flp: hdd.img bootloader/stage1.bin bootloader/stage2.bin kernel/kernel.bin programs/one/a.out programs/hello/a.out programs/long/a.out programs/loop/a.out programs/longone/a.out programs/longtwo/a.out programs/keyboard/a.out
mkdir -p mnt/fake/
dd if=bootloader/stage1.bin of=hdd.img conv=notrunc
dd if=bootloader/stage2.bin of=hdd.img seek=1 conv=notrunc
@ -47,6 +50,7 @@ thor.flp: hdd.img bootloader/stage1.bin bootloader/stage2.bin kernel/kernel.bin
sudo /bin/cp programs/longone/a.out mnt/fake/longone
sudo /bin/cp programs/longtwo/a.out mnt/fake/longtwo
sudo /bin/cp programs/loop/a.out mnt/fake/loop
sudo /bin/cp programs/keyboard/a.out mnt/fake/keyboard
sleep 0.1
sudo /bin/umount mnt/fake/
sudo /sbin/losetup -d /dev/loop0

15
programs/keyboard/Makefile Normal file
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@ -0,0 +1,15 @@
.PHONY: default clean
default: a.out
include ../../cpp.mk
%.cpp.o: src/%.cpp
$(CC) $(PROGRAM_FLAGS) $(CPP_FLAGS_64) $(WARNING_FLAGS) -c $< -o $@
a.out: main.cpp.o
$(CC) $(PROGRAM_LINK_FLAGS) $(CPP_FLAGS_64) -o a.out main.cpp.o
clean:
rm *.cpp.o
rm -rf a.out

20
programs/keyboard/src/main.cpp Normal file
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@ -0,0 +1,20 @@
//=======================================================================
// 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)
//=======================================================================
#include <print.hpp>
#include <system.hpp>
const char* source = "Hello world";
int main(){
for(int i = 0; i < 10; ++i){
auto c = read_char();
print(c);
}
exit(0);
}

11
userlib/include/print.hpp
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@ -8,6 +8,8 @@
#ifndef USER_PRINT_HPP
#define USER_PRINT_HPP
//TODO Rename in console
#include <types.hpp>
void print(char c){
@ -45,4 +47,13 @@ void print_line(size_t v){
print_line();
}
char read_char(){
size_t value;
asm volatile("mov rax, 3; int 50; mov %0, rax"
: "=m" (value)
: //No inputs
: "rax", "rbx");
return value;
}
#endif